/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-28.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 05:36:46,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 05:36:46,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 05:36:46,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 05:36:46,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 05:36:46,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 05:36:46,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 05:36:46,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 05:36:46,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 05:36:46,713 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 05:36:46,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 05:36:46,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 05:36:46,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 05:36:46,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 05:36:46,715 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 05:36:46,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 05:36:46,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 05:36:46,716 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 05:36:46,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 05:36:46,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 05:36:46,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 05:36:46,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 05:36:46,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 05:36:46,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 05:36:46,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 05:36:46,718 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 05:36:46,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 05:36:46,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 05:36:46,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 05:36:46,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 05:36:46,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 05:36:46,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 05:36:46,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 05:36:46,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 05:36:46,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 05:36:46,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 05:36:46,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 05:36:46,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 05:36:46,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 05:36:46,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 05:36:46,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 05:36:46,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 05:36:46,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 05:36:46,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 05:36:46,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 05:36:46,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 05:36:46,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 05:36:46,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 05:36:46,967 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 05:36:46,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-12-19 05:36:48,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 05:36:48,444 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 05:36:48,444 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-28.i [2023-12-19 05:36:48,452 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df539760b/126c9cce687a4a25a9402c104120807b/FLAG264dc586f [2023-12-19 05:36:48,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df539760b/126c9cce687a4a25a9402c104120807b [2023-12-19 05:36:48,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 05:36:48,467 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 05:36:48,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 05:36:48,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 05:36:48,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 05:36:48,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48, skipping insertion in model container [2023-12-19 05:36:48,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 05:36:48,640 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-12-19 05:36:48,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 05:36:48,730 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 05:36:48,738 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_dependencies_file-28.i[919,932] [2023-12-19 05:36:48,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 05:36:48,792 INFO L206 MainTranslator]: Completed translation [2023-12-19 05:36:48,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48 WrapperNode [2023-12-19 05:36:48,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 05:36:48,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 05:36:48,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 05:36:48,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 05:36:48,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,873 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-12-19 05:36:48,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 05:36:48,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 05:36:48,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 05:36:48,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 05:36:48,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,913 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]. [2023-12-19 05:36:48,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 05:36:48,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 05:36:48,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 05:36:48,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 05:36:48,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (1/1) ... [2023-12-19 05:36:48,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 05:36:49,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:36:49,016 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) [2023-12-19 05:36:49,044 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 [2023-12-19 05:36:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 05:36:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 05:36:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 05:36:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 05:36:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 05:36:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 05:36:49,152 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 05:36:49,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 05:36:49,468 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 05:36:49,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 05:36:49,490 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 05:36:49,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:36:49 BoogieIcfgContainer [2023-12-19 05:36:49,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 05:36:49,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 05:36:49,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 05:36:49,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 05:36:49,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:36:48" (1/3) ... [2023-12-19 05:36:49,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e082f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:36:49, skipping insertion in model container [2023-12-19 05:36:49,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:48" (2/3) ... [2023-12-19 05:36:49,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e082f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:36:49, skipping insertion in model container [2023-12-19 05:36:49,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:36:49" (3/3) ... [2023-12-19 05:36:49,498 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-28.i [2023-12-19 05:36:49,513 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 05:36:49,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 05:36:49,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 05:36:49,564 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;@6f59200f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 05:36:49,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 05:36:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 40 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 05:36:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:36:49,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:36:49,581 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:36:49,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:36:49,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:36:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash -94915862, now seen corresponding path program 1 times [2023-12-19 05:36:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:36:49,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428193248] [2023-12-19 05:36:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:36:49,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:36:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:36:49,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:36:49,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428193248] [2023-12-19 05:36:49,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 05:36:49,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066792179] [2023-12-19 05:36:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:36:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:36:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:36:49,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:36:49,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 05:36:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:36:50,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 05:36:50,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:36:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-12-19 05:36:50,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:36:50,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066792179] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:36:50,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:36:50,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 05:36:50,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141225045] [2023-12-19 05:36:50,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:36:50,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 05:36:50,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:36:50,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 05:36:50,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 05:36:50,110 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 40 states have internal predecessors, (58), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 05:36:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:36:50,161 INFO L93 Difference]: Finished difference Result 125 states and 224 transitions. [2023-12-19 05:36:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 05:36:50,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2023-12-19 05:36:50,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:36:50,172 INFO L225 Difference]: With dead ends: 125 [2023-12-19 05:36:50,172 INFO L226 Difference]: Without dead ends: 62 [2023-12-19 05:36:50,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 05:36:50,181 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 05:36:50,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 05:36:50,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-19 05:36:50,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-12-19 05:36:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-19 05:36:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 97 transitions. [2023-12-19 05:36:50,221 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 97 transitions. Word has length 137 [2023-12-19 05:36:50,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:36:50,222 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 97 transitions. [2023-12-19 05:36:50,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-19 05:36:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-12-19 05:36:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:36:50,226 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:36:50,226 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:36:50,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 05:36:50,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 05:36:50,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:36:50,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:36:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash -506150494, now seen corresponding path program 1 times [2023-12-19 05:36:50,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:36:50,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596533290] [2023-12-19 05:36:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:36:50,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:36:50,487 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:36:50,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455864403] [2023-12-19 05:36:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:36:50,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:36:50,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:36:50,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:36:50,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 05:36:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:36:50,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 05:36:50,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:36:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:36:58,760 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:36:58,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:36:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596533290] [2023-12-19 05:36:58,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:36:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455864403] [2023-12-19 05:36:58,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455864403] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:36:58,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:36:58,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 05:36:58,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460741634] [2023-12-19 05:36:58,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:36:58,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 05:36:58,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:36:58,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 05:36:58,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 05:36:58,765 INFO L87 Difference]: Start difference. First operand 62 states and 97 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:36:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:36:59,522 INFO L93 Difference]: Finished difference Result 216 states and 330 transitions. [2023-12-19 05:36:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 05:36:59,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:36:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:36:59,526 INFO L225 Difference]: With dead ends: 216 [2023-12-19 05:36:59,526 INFO L226 Difference]: Without dead ends: 155 [2023-12-19 05:36:59,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-19 05:36:59,528 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 204 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 05:36:59,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 347 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 05:36:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-12-19 05:36:59,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 108. [2023-12-19 05:36:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-19 05:36:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2023-12-19 05:36:59,564 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 137 [2023-12-19 05:36:59,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:36:59,565 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2023-12-19 05:36:59,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:36:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2023-12-19 05:36:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:36:59,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:36:59,568 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:36:59,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 05:36:59,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 05:36:59,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:36:59,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:36:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1315497120, now seen corresponding path program 1 times [2023-12-19 05:36:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:36:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513882928] [2023-12-19 05:36:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:36:59,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:36:59,839 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:36:59,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672387007] [2023-12-19 05:36:59,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:36:59,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:36:59,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:36:59,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:36:59,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 05:36:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:36:59,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 05:36:59,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:00,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:00,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:00,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513882928] [2023-12-19 05:37:00,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:00,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672387007] [2023-12-19 05:37:00,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672387007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:00,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:00,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 05:37:00,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470431037] [2023-12-19 05:37:00,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:00,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 05:37:00,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:00,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 05:37:00,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 05:37:00,102 INFO L87 Difference]: Start difference. First operand 108 states and 169 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:00,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:00,314 INFO L93 Difference]: Finished difference Result 403 states and 630 transitions. [2023-12-19 05:37:00,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 05:37:00,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:37:00,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:00,319 INFO L225 Difference]: With dead ends: 403 [2023-12-19 05:37:00,320 INFO L226 Difference]: Without dead ends: 296 [2023-12-19 05:37:00,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 05:37:00,322 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 240 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:00,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 355 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 05:37:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-12-19 05:37:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2023-12-19 05:37:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 158 states have (on average 1.360759493670886) internal successors, (215), 161 states have internal predecessors, (215), 82 states have call successors, (82), 6 states have call predecessors, (82), 6 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-19 05:37:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 379 transitions. [2023-12-19 05:37:00,354 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 379 transitions. Word has length 137 [2023-12-19 05:37:00,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:00,355 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 379 transitions. [2023-12-19 05:37:00,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 379 transitions. [2023-12-19 05:37:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:37:00,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:00,358 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:00,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:00,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:00,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:00,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash 459510242, now seen corresponding path program 1 times [2023-12-19 05:37:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:00,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715231565] [2023-12-19 05:37:00,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:00,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:00,604 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:00,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016148734] [2023-12-19 05:37:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:00,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:00,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:00,606 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:00,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 05:37:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:00,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-19 05:37:00,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 497 proven. 63 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-19 05:37:06,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 05:37:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:13,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:13,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715231565] [2023-12-19 05:37:13,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:13,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016148734] [2023-12-19 05:37:13,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016148734] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 05:37:13,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 05:37:13,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2023-12-19 05:37:13,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800491454] [2023-12-19 05:37:13,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:13,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 05:37:13,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 05:37:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2023-12-19 05:37:13,562 INFO L87 Difference]: Start difference. First operand 247 states and 379 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:14,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:14,785 INFO L93 Difference]: Finished difference Result 559 states and 846 transitions. [2023-12-19 05:37:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 05:37:14,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:37:14,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:14,789 INFO L225 Difference]: With dead ends: 559 [2023-12-19 05:37:14,789 INFO L226 Difference]: Without dead ends: 325 [2023-12-19 05:37:14,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2023-12-19 05:37:14,791 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 173 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:14,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 344 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 05:37:14,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-12-19 05:37:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 203. [2023-12-19 05:37:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 146 states have (on average 1.452054794520548) internal successors, (212), 147 states have internal predecessors, (212), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 316 transitions. [2023-12-19 05:37:14,817 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 316 transitions. Word has length 137 [2023-12-19 05:37:14,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:14,818 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 316 transitions. [2023-12-19 05:37:14,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 316 transitions. [2023-12-19 05:37:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:37:14,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:14,820 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:14,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:15,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:15,029 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:15,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:15,029 INFO L85 PathProgramCache]: Analyzing trace with hash -113123484, now seen corresponding path program 1 times [2023-12-19 05:37:15,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:15,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353443439] [2023-12-19 05:37:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:15,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:15,063 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:15,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121045801] [2023-12-19 05:37:15,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:15,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:15,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:15,077 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:15,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 05:37:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:15,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-19 05:37:15,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:18,843 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:18,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:18,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353443439] [2023-12-19 05:37:18,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:18,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121045801] [2023-12-19 05:37:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121045801] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:18,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:18,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 05:37:18,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675585814] [2023-12-19 05:37:18,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:18,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 05:37:18,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:18,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 05:37:18,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-12-19 05:37:18,846 INFO L87 Difference]: Start difference. First operand 203 states and 316 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:19,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:19,650 INFO L93 Difference]: Finished difference Result 498 states and 758 transitions. [2023-12-19 05:37:19,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 05:37:19,651 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:37:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:19,654 INFO L225 Difference]: With dead ends: 498 [2023-12-19 05:37:19,654 INFO L226 Difference]: Without dead ends: 296 [2023-12-19 05:37:19,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=162, Unknown=0, NotChecked=0, Total=272 [2023-12-19 05:37:19,656 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 268 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:19,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 503 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 05:37:19,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-12-19 05:37:19,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 208. [2023-12-19 05:37:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 151 states have (on average 1.4635761589403973) internal successors, (221), 152 states have internal predecessors, (221), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 325 transitions. [2023-12-19 05:37:19,679 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 325 transitions. Word has length 137 [2023-12-19 05:37:19,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:19,679 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 325 transitions. [2023-12-19 05:37:19,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2023-12-19 05:37:19,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:37:19,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:19,681 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:19,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:19,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:19,889 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:19,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash 852537252, now seen corresponding path program 1 times [2023-12-19 05:37:19,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:19,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377371536] [2023-12-19 05:37:19,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:19,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:19,910 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:19,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941667110] [2023-12-19 05:37:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:19,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:19,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:19,912 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:19,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 05:37:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:20,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 05:37:20,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:25,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:25,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:25,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377371536] [2023-12-19 05:37:25,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:25,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941667110] [2023-12-19 05:37:25,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941667110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:25,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:25,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 05:37:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697434333] [2023-12-19 05:37:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:25,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 05:37:25,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 05:37:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-12-19 05:37:25,114 INFO L87 Difference]: Start difference. First operand 208 states and 325 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:25,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:25,769 INFO L93 Difference]: Finished difference Result 496 states and 757 transitions. [2023-12-19 05:37:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-19 05:37:25,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:37:25,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:25,772 INFO L225 Difference]: With dead ends: 496 [2023-12-19 05:37:25,772 INFO L226 Difference]: Without dead ends: 289 [2023-12-19 05:37:25,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=125, Unknown=0, NotChecked=0, Total=210 [2023-12-19 05:37:25,773 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 183 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:25,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 508 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 05:37:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-12-19 05:37:25,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 206. [2023-12-19 05:37:25,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 149 states have (on average 1.4563758389261745) internal successors, (217), 150 states have internal predecessors, (217), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 321 transitions. [2023-12-19 05:37:25,802 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 321 transitions. Word has length 137 [2023-12-19 05:37:25,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:25,803 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 321 transitions. [2023-12-19 05:37:25,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 321 transitions. [2023-12-19 05:37:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:37:25,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:25,804 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:25,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:26,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:26,009 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:26,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:26,009 INFO L85 PathProgramCache]: Analyzing trace with hash 194914084, now seen corresponding path program 1 times [2023-12-19 05:37:26,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:26,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561994386] [2023-12-19 05:37:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:26,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:26,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:26,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737135608] [2023-12-19 05:37:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:26,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:26,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:26,045 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:26,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 05:37:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:26,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-19 05:37:26,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:29,771 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:29,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:29,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561994386] [2023-12-19 05:37:29,771 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:29,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737135608] [2023-12-19 05:37:29,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737135608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:29,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:29,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 05:37:29,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729543813] [2023-12-19 05:37:29,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:29,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 05:37:29,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:29,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 05:37:29,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 05:37:29,773 INFO L87 Difference]: Start difference. First operand 206 states and 321 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:30,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:30,055 INFO L93 Difference]: Finished difference Result 499 states and 759 transitions. [2023-12-19 05:37:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 05:37:30,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:37:30,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:30,061 INFO L225 Difference]: With dead ends: 499 [2023-12-19 05:37:30,064 INFO L226 Difference]: Without dead ends: 294 [2023-12-19 05:37:30,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 05:37:30,066 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 125 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:30,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 490 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 05:37:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-12-19 05:37:30,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 207. [2023-12-19 05:37:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 150 states have (on average 1.46) internal successors, (219), 151 states have internal predecessors, (219), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 323 transitions. [2023-12-19 05:37:30,087 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 323 transitions. Word has length 137 [2023-12-19 05:37:30,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:30,088 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 323 transitions. [2023-12-19 05:37:30,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:30,088 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 323 transitions. [2023-12-19 05:37:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:37:30,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:30,089 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:30,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:30,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:30,296 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:30,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:30,297 INFO L85 PathProgramCache]: Analyzing trace with hash 587941094, now seen corresponding path program 1 times [2023-12-19 05:37:30,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:30,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619398576] [2023-12-19 05:37:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:30,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:30,347 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:30,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [126529977] [2023-12-19 05:37:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:30,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:30,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:30,359 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:30,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 05:37:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:30,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 05:37:30,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:34,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:34,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:34,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619398576] [2023-12-19 05:37:34,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:34,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126529977] [2023-12-19 05:37:34,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126529977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:34,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:34,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 05:37:34,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336016329] [2023-12-19 05:37:34,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:34,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 05:37:34,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:34,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 05:37:34,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 05:37:34,040 INFO L87 Difference]: Start difference. First operand 207 states and 323 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:34,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:34,270 INFO L93 Difference]: Finished difference Result 500 states and 760 transitions. [2023-12-19 05:37:34,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 05:37:34,271 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:37:34,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:34,272 INFO L225 Difference]: With dead ends: 500 [2023-12-19 05:37:34,272 INFO L226 Difference]: Without dead ends: 294 [2023-12-19 05:37:34,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 05:37:34,274 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 118 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:34,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 462 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 05:37:34,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-12-19 05:37:34,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 208. [2023-12-19 05:37:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 151 states have (on average 1.4635761589403973) internal successors, (221), 152 states have internal predecessors, (221), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 325 transitions. [2023-12-19 05:37:34,291 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 325 transitions. Word has length 137 [2023-12-19 05:37:34,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:34,291 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 325 transitions. [2023-12-19 05:37:34,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2023-12-19 05:37:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-19 05:37:34,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:34,293 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:34,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:34,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-19 05:37:34,499 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:34,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:34,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1553601830, now seen corresponding path program 1 times [2023-12-19 05:37:34,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:34,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953193859] [2023-12-19 05:37:34,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:34,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:34,515 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:34,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1179278576] [2023-12-19 05:37:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:34,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:34,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:34,517 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:34,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-19 05:37:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:34,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 05:37:34,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:37,631 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:37,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:37,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953193859] [2023-12-19 05:37:37,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:37,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179278576] [2023-12-19 05:37:37,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179278576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:37,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:37,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 05:37:37,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560305086] [2023-12-19 05:37:37,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:37,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 05:37:37,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:37,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 05:37:37,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 05:37:37,633 INFO L87 Difference]: Start difference. First operand 208 states and 325 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:37,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:37,886 INFO L93 Difference]: Finished difference Result 501 states and 760 transitions. [2023-12-19 05:37:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 05:37:37,887 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2023-12-19 05:37:37,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:37,889 INFO L225 Difference]: With dead ends: 501 [2023-12-19 05:37:37,889 INFO L226 Difference]: Without dead ends: 294 [2023-12-19 05:37:37,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 05:37:37,891 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 110 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:37,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 436 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 05:37:37,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-12-19 05:37:37,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 194. [2023-12-19 05:37:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 137 states have (on average 1.437956204379562) internal successors, (197), 138 states have internal predecessors, (197), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 301 transitions. [2023-12-19 05:37:37,909 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 301 transitions. Word has length 137 [2023-12-19 05:37:37,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:37,909 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 301 transitions. [2023-12-19 05:37:37,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 301 transitions. [2023-12-19 05:37:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:37:37,911 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:37,911 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:37,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:38,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:38,118 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:38,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:38,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2023808389, now seen corresponding path program 1 times [2023-12-19 05:37:38,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:38,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792136548] [2023-12-19 05:37:38,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:38,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:38,138 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:38,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54882828] [2023-12-19 05:37:38,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:38,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:38,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:38,141 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:38,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-19 05:37:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:38,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-19 05:37:38,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:41,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:41,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:41,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792136548] [2023-12-19 05:37:41,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:41,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54882828] [2023-12-19 05:37:41,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54882828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:41,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:41,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 05:37:41,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477803355] [2023-12-19 05:37:41,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:41,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 05:37:41,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:41,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 05:37:41,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-19 05:37:41,308 INFO L87 Difference]: Start difference. First operand 194 states and 301 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 10 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:42,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:42,012 INFO L93 Difference]: Finished difference Result 415 states and 635 transitions. [2023-12-19 05:37:42,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-19 05:37:42,013 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 10 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:37:42,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:42,014 INFO L225 Difference]: With dead ends: 415 [2023-12-19 05:37:42,014 INFO L226 Difference]: Without dead ends: 302 [2023-12-19 05:37:42,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2023-12-19 05:37:42,016 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 357 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:42,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 507 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 05:37:42,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-12-19 05:37:42,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 215. [2023-12-19 05:37:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 158 states have (on average 1.4620253164556962) internal successors, (231), 159 states have internal predecessors, (231), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 335 transitions. [2023-12-19 05:37:42,033 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 335 transitions. Word has length 138 [2023-12-19 05:37:42,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:42,033 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 335 transitions. [2023-12-19 05:37:42,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 10 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 335 transitions. [2023-12-19 05:37:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:37:42,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:42,035 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:42,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:42,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-19 05:37:42,241 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:42,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:42,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1214461763, now seen corresponding path program 1 times [2023-12-19 05:37:42,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:42,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172534668] [2023-12-19 05:37:42,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:42,260 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:42,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627793883] [2023-12-19 05:37:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:42,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:42,262 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:42,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-19 05:37:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:42,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 05:37:42,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:42,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:37:42,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:42,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172534668] [2023-12-19 05:37:42,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:42,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627793883] [2023-12-19 05:37:42,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627793883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:37:42,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:37:42,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 05:37:42,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504045276] [2023-12-19 05:37:42,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:42,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 05:37:42,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:42,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 05:37:42,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 05:37:42,396 INFO L87 Difference]: Start difference. First operand 215 states and 335 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:42,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:42,510 INFO L93 Difference]: Finished difference Result 697 states and 1090 transitions. [2023-12-19 05:37:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 05:37:42,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:37:42,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:42,514 INFO L225 Difference]: With dead ends: 697 [2023-12-19 05:37:42,514 INFO L226 Difference]: Without dead ends: 584 [2023-12-19 05:37:42,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 05:37:42,516 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 177 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:42,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 298 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 05:37:42,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-12-19 05:37:42,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 239. [2023-12-19 05:37:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 182 states have (on average 1.478021978021978) internal successors, (269), 183 states have internal predecessors, (269), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-19 05:37:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 373 transitions. [2023-12-19 05:37:42,540 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 373 transitions. Word has length 138 [2023-12-19 05:37:42,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:42,540 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 373 transitions. [2023-12-19 05:37:42,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 373 transitions. [2023-12-19 05:37:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:37:42,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:42,542 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:42,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:42,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-19 05:37:42,748 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:42,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:42,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1305498171, now seen corresponding path program 1 times [2023-12-19 05:37:42,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:42,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22043805] [2023-12-19 05:37:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:42,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:42,777 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:42,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144962618] [2023-12-19 05:37:42,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:42,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:42,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:42,779 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:42,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-19 05:37:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:42,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-19 05:37:42,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:37:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 395 proven. 69 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2023-12-19 05:37:46,746 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 05:37:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:37:52,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:37:52,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22043805] [2023-12-19 05:37:52,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:37:52,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144962618] [2023-12-19 05:37:52,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144962618] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 05:37:52,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 05:37:52,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2023-12-19 05:37:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485471610] [2023-12-19 05:37:52,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:37:52,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 05:37:52,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:37:52,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 05:37:52,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2023-12-19 05:37:52,908 INFO L87 Difference]: Start difference. First operand 239 states and 373 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:55,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 05:37:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:37:56,399 INFO L93 Difference]: Finished difference Result 506 states and 764 transitions. [2023-12-19 05:37:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 05:37:56,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:37:56,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:37:56,404 INFO L225 Difference]: With dead ends: 506 [2023-12-19 05:37:56,404 INFO L226 Difference]: Without dead ends: 373 [2023-12-19 05:37:56,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2023-12-19 05:37:56,405 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 210 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-19 05:37:56,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 553 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-19 05:37:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-19 05:37:56,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 259. [2023-12-19 05:37:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 197 states have (on average 1.4416243654822336) internal successors, (284), 199 states have internal predecessors, (284), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-19 05:37:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 392 transitions. [2023-12-19 05:37:56,442 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 392 transitions. Word has length 138 [2023-12-19 05:37:56,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:37:56,443 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 392 transitions. [2023-12-19 05:37:56,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:37:56,443 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 392 transitions. [2023-12-19 05:37:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:37:56,444 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:37:56,445 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:37:56,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-19 05:37:56,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-19 05:37:56,655 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:37:56,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:37:56,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1878131897, now seen corresponding path program 1 times [2023-12-19 05:37:56,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:37:56,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031797585] [2023-12-19 05:37:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:37:56,677 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:37:56,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917898344] [2023-12-19 05:37:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:37:56,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:37:56,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:37:56,679 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:37:56,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-19 05:37:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:37:56,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-19 05:37:56,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:38:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:38:00,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:38:00,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:38:00,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031797585] [2023-12-19 05:38:00,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:38:00,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917898344] [2023-12-19 05:38:00,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917898344] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:38:00,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:38:00,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 05:38:00,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204920290] [2023-12-19 05:38:00,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:38:00,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 05:38:00,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:38:00,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 05:38:00,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 05:38:00,974 INFO L87 Difference]: Start difference. First operand 259 states and 392 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:01,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:38:01,535 INFO L93 Difference]: Finished difference Result 477 states and 714 transitions. [2023-12-19 05:38:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 05:38:01,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:38:01,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:38:01,538 INFO L225 Difference]: With dead ends: 477 [2023-12-19 05:38:01,538 INFO L226 Difference]: Without dead ends: 335 [2023-12-19 05:38:01,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-19 05:38:01,539 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 180 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 05:38:01,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 376 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 05:38:01,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-12-19 05:38:01,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 254. [2023-12-19 05:38:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 192 states have (on average 1.4322916666666667) internal successors, (275), 194 states have internal predecessors, (275), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-19 05:38:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 383 transitions. [2023-12-19 05:38:01,567 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 383 transitions. Word has length 138 [2023-12-19 05:38:01,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:38:01,568 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 383 transitions. [2023-12-19 05:38:01,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 383 transitions. [2023-12-19 05:38:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:38:01,569 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:38:01,569 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:38:01,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-19 05:38:01,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-19 05:38:01,784 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:38:01,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:38:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1607488773, now seen corresponding path program 1 times [2023-12-19 05:38:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:38:01,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808497627] [2023-12-19 05:38:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:01,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:38:01,801 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:38:01,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658387300] [2023-12-19 05:38:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:01,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:38:01,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:38:01,803 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:38:01,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-19 05:38:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:38:01,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-19 05:38:01,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:38:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:38:04,283 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:38:04,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:38:04,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808497627] [2023-12-19 05:38:04,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:38:04,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658387300] [2023-12-19 05:38:04,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658387300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:38:04,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:38:04,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 05:38:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956619035] [2023-12-19 05:38:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:38:04,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 05:38:04,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:38:04,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 05:38:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-19 05:38:04,288 INFO L87 Difference]: Start difference. First operand 254 states and 383 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:38:04,905 INFO L93 Difference]: Finished difference Result 485 states and 717 transitions. [2023-12-19 05:38:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 05:38:04,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:38:04,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:38:04,907 INFO L225 Difference]: With dead ends: 485 [2023-12-19 05:38:04,907 INFO L226 Difference]: Without dead ends: 342 [2023-12-19 05:38:04,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2023-12-19 05:38:04,908 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 154 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 05:38:04,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 449 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 05:38:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-12-19 05:38:04,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 254. [2023-12-19 05:38:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 192 states have (on average 1.4322916666666667) internal successors, (275), 194 states have internal predecessors, (275), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-19 05:38:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 383 transitions. [2023-12-19 05:38:04,935 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 383 transitions. Word has length 138 [2023-12-19 05:38:04,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:38:04,935 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 383 transitions. [2023-12-19 05:38:04,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 383 transitions. [2023-12-19 05:38:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:38:04,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:38:04,937 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:38:04,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-19 05:38:05,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:38:05,144 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:38:05,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:38:05,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1570094329, now seen corresponding path program 1 times [2023-12-19 05:38:05,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:38:05,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608146106] [2023-12-19 05:38:05,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:05,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:38:05,161 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:38:05,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089220418] [2023-12-19 05:38:05,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:05,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:38:05,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:38:05,163 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:38:05,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-19 05:38:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:38:05,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 05:38:05,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:38:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:38:08,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:38:08,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:38:08,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608146106] [2023-12-19 05:38:08,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:38:08,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089220418] [2023-12-19 05:38:08,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089220418] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:38:08,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:38:08,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 05:38:08,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836499401] [2023-12-19 05:38:08,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:38:08,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 05:38:08,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:38:08,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 05:38:08,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 05:38:08,098 INFO L87 Difference]: Start difference. First operand 254 states and 383 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:38:08,345 INFO L93 Difference]: Finished difference Result 475 states and 704 transitions. [2023-12-19 05:38:08,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 05:38:08,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:38:08,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:38:08,348 INFO L225 Difference]: With dead ends: 475 [2023-12-19 05:38:08,348 INFO L226 Difference]: Without dead ends: 327 [2023-12-19 05:38:08,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-19 05:38:08,349 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 151 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 05:38:08,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 424 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 05:38:08,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-12-19 05:38:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 256. [2023-12-19 05:38:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 194 states have (on average 1.4329896907216495) internal successors, (278), 196 states have internal predecessors, (278), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-19 05:38:08,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 386 transitions. [2023-12-19 05:38:08,377 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 386 transitions. Word has length 138 [2023-12-19 05:38:08,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:38:08,377 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 386 transitions. [2023-12-19 05:38:08,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 386 transitions. [2023-12-19 05:38:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:38:08,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:38:08,379 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:38:08,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-19 05:38:08,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-19 05:38:08,589 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:38:08,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:38:08,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1177067319, now seen corresponding path program 1 times [2023-12-19 05:38:08,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:38:08,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061084047] [2023-12-19 05:38:08,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:08,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:38:08,606 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:38:08,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078156071] [2023-12-19 05:38:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:08,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:38:08,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:38:08,607 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:38:08,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-19 05:38:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:38:08,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-19 05:38:08,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:38:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:38:11,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:38:11,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:38:11,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061084047] [2023-12-19 05:38:11,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:38:11,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078156071] [2023-12-19 05:38:11,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078156071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:38:11,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:38:11,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 05:38:11,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522668697] [2023-12-19 05:38:11,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:38:11,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 05:38:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:38:11,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 05:38:11,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 05:38:11,555 INFO L87 Difference]: Start difference. First operand 256 states and 386 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:11,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:38:11,860 INFO L93 Difference]: Finished difference Result 482 states and 715 transitions. [2023-12-19 05:38:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 05:38:11,861 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:38:11,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:38:11,863 INFO L225 Difference]: With dead ends: 482 [2023-12-19 05:38:11,863 INFO L226 Difference]: Without dead ends: 332 [2023-12-19 05:38:11,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-19 05:38:11,864 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 166 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 05:38:11,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 390 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 05:38:11,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-19 05:38:11,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 256. [2023-12-19 05:38:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 194 states have (on average 1.4329896907216495) internal successors, (278), 196 states have internal predecessors, (278), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-19 05:38:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 386 transitions. [2023-12-19 05:38:11,891 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 386 transitions. Word has length 138 [2023-12-19 05:38:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:38:11,892 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 386 transitions. [2023-12-19 05:38:11,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 386 transitions. [2023-12-19 05:38:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-19 05:38:11,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:38:11,893 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:38:11,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-19 05:38:12,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-19 05:38:12,104 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:38:12,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:38:12,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1986413945, now seen corresponding path program 1 times [2023-12-19 05:38:12,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:38:12,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521941317] [2023-12-19 05:38:12,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:12,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:38:12,124 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:38:12,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219341888] [2023-12-19 05:38:12,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:12,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:38:12,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:38:12,126 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:38:12,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-19 05:38:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 05:38:12,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-19 05:38:12,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 05:38:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-19 05:38:14,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 05:38:14,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 05:38:14,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521941317] [2023-12-19 05:38:14,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 05:38:14,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219341888] [2023-12-19 05:38:14,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219341888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 05:38:14,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 05:38:14,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 05:38:14,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586909540] [2023-12-19 05:38:14,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 05:38:14,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 05:38:14,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 05:38:14,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 05:38:14,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-19 05:38:14,403 INFO L87 Difference]: Start difference. First operand 256 states and 386 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:14,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 05:38:14,671 INFO L93 Difference]: Finished difference Result 482 states and 714 transitions. [2023-12-19 05:38:14,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 05:38:14,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2023-12-19 05:38:14,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 05:38:14,674 INFO L225 Difference]: With dead ends: 482 [2023-12-19 05:38:14,674 INFO L226 Difference]: Without dead ends: 332 [2023-12-19 05:38:14,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2023-12-19 05:38:14,675 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 130 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 05:38:14,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 467 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 05:38:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-19 05:38:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 256. [2023-12-19 05:38:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 194 states have (on average 1.4329896907216495) internal successors, (278), 196 states have internal predecessors, (278), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-19 05:38:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 386 transitions. [2023-12-19 05:38:14,703 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 386 transitions. Word has length 138 [2023-12-19 05:38:14,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 05:38:14,704 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 386 transitions. [2023-12-19 05:38:14,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-12-19 05:38:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 386 transitions. [2023-12-19 05:38:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-19 05:38:14,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 05:38:14,705 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:38:14,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-19 05:38:14,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-19 05:38:14,915 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 05:38:14,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 05:38:14,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1416600793, now seen corresponding path program 1 times [2023-12-19 05:38:14,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 05:38:14,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831669675] [2023-12-19 05:38:14,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:14,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 05:38:14,936 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 05:38:14,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394157169] [2023-12-19 05:38:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 05:38:14,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 05:38:14,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 05:38:14,939 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 05:38:14,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-19 05:38:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 05:38:15,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 05:38:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 05:38:15,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 05:38:15,205 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 05:38:15,206 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 05:38:15,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-19 05:38:15,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-19 05:38:15,416 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 05:38:15,420 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 05:38:15,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:38:15 BoogieIcfgContainer [2023-12-19 05:38:15,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 05:38:15,514 INFO L158 Benchmark]: Toolchain (without parser) took 87046.38ms. Allocated memory was 306.2MB in the beginning and 923.8MB in the end (delta: 617.6MB). Free memory was 256.1MB in the beginning and 344.1MB in the end (delta: -87.9MB). Peak memory consumption was 530.3MB. Max. memory is 8.0GB. [2023-12-19 05:38:15,514 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 219.2MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 05:38:15,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.35ms. Allocated memory is still 306.2MB. Free memory was 256.1MB in the beginning and 240.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-19 05:38:15,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.40ms. Allocated memory is still 306.2MB. Free memory was 240.4MB in the beginning and 234.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-19 05:38:15,515 INFO L158 Benchmark]: Boogie Preprocessor took 63.23ms. Allocated memory is still 306.2MB. Free memory was 234.7MB in the beginning and 223.4MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-19 05:38:15,515 INFO L158 Benchmark]: RCFGBuilder took 552.41ms. Allocated memory is still 306.2MB. Free memory was 223.4MB in the beginning and 245.4MB in the end (delta: -22.0MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2023-12-19 05:38:15,516 INFO L158 Benchmark]: TraceAbstraction took 86020.58ms. Allocated memory was 306.2MB in the beginning and 923.8MB in the end (delta: 617.6MB). Free memory was 244.9MB in the beginning and 344.1MB in the end (delta: -99.2MB). Peak memory consumption was 517.9MB. Max. memory is 8.0GB. [2023-12-19 05:38:15,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 219.2MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.35ms. Allocated memory is still 306.2MB. Free memory was 256.1MB in the beginning and 240.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 80.40ms. Allocated memory is still 306.2MB. Free memory was 240.4MB in the beginning and 234.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.23ms. Allocated memory is still 306.2MB. Free memory was 234.7MB in the beginning and 223.4MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * RCFGBuilder took 552.41ms. Allocated memory is still 306.2MB. Free memory was 223.4MB in the beginning and 245.4MB in the end (delta: -22.0MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * TraceAbstraction took 86020.58ms. Allocated memory was 306.2MB in the beginning and 923.8MB in the end (delta: 617.6MB). Free memory was 244.9MB in the beginning and 344.1MB in the end (delta: -99.2MB). Peak memory consumption was 517.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someBinaryFLOATComparisonOperation at line 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_6 = 4; [L24] unsigned char var_1_7 = 2; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 100; [L28] signed short int var_1_11 = 10; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 128; [L33] unsigned char var_1_16 = 128; [L34] unsigned char var_1_17 = 5; [L35] double var_1_18 = 3.6; [L36] double var_1_19 = 31.45; [L37] float var_1_20 = 50.25; [L38] float var_1_21 = 9.8; [L39] float var_1_22 = 4.65; [L40] float var_1_23 = 99.65; [L41] unsigned short int last_1_var_1_1 = 4; [L42] unsigned char last_1_var_1_6 = 4; [L43] signed short int last_1_var_1_11 = 10; [L44] signed long int last_1_var_1_15 = 128; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L131] last_1_var_1_1 = var_1_1 [L132] last_1_var_1_6 = var_1_6 [L133] last_1_var_1_11 = var_1_11 [L134] last_1_var_1_15 = var_1_15 [L144] RET updateLastVariables() [L145] CALL updateVariables() [L94] var_1_7 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L96] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L97] var_1_8 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_9=0] [L98] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L99] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L100] var_1_9 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0] [L101] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0] [L102] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L102] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L103] var_1_10 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L104] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L105] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L106] var_1_12 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L107] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L108] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L109] var_1_13 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L110] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L111] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L112] var_1_14 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L113] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L114] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L115] var_1_16 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L116] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L117] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L118] var_1_17 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L119] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L120] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L121] var_1_19 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L122] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L123] var_1_21 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L124] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L125] var_1_22 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L126] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L127] var_1_23 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L128] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L145] RET updateVariables() [L146] CALL step() [L48] COND FALSE !(\read(var_1_12)) [L59] var_1_11 = last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=0] [L61] COND TRUE last_1_var_1_1 < 5 [L62] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L66] COND FALSE !(var_1_11 <= var_1_6) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L69] COND FALSE !(\read(var_1_13)) [L82] var_1_20 = var_1_23 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L84] COND TRUE var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17) [L85] var_1_15 = (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L89] EXPR 200 << var_1_15 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L89] COND TRUE ((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1 [L90] var_1_18 = var_1_19 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=3, var_1_19=3, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L146] RET step() [L147] CALL, EXPR property() [L137] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=3, var_1_19=3, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L137] EXPR 200 << var_1_15 VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=3, var_1_19=3, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L137] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=3, var_1_19=3, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L137-L138] return ((((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_6 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=3, var_1_19=3, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=9, var_1_11=10, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=3, var_1_19=3, var_1_1=4, var_1_20=2, var_1_23=2, var_1_6=9, var_1_7=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 85.9s, OverallIterations: 18, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2946 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2946 mSDsluCounter, 7003 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5015 mSDsCounter, 490 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3137 IncrementalHoareTripleChecker+Invalid, 3627 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 490 mSolverCounterUnsat, 1988 mSDtfsCounter, 3137 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2682 GetRequests, 2482 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259occurred in iteration=12, InterpolantAutomatonStates: 202, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 1600 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 67.5s InterpolantComputationTime, 2613 NumberOfCodeBlocks, 2613 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2593 ConstructedInterpolants, 0 QuantifiedInterpolants, 19013 SizeOfPredicates, 267 NumberOfNonLiveVariables, 5541 ConjunctsInSsa, 236 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 17424/17556 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 05:38:15,729 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-19 05:38:15,752 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 137 Received shutdown request...