/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-70.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 01:35:19,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 01:35:19,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 01:35:19,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 01:35:19,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 01:35:19,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 01:35:19,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 01:35:19,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 01:35:19,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 01:35:19,336 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 01:35:19,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 01:35:19,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 01:35:19,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 01:35:19,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 01:35:19,339 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 01:35:19,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 01:35:19,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 01:35:19,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 01:35:19,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 01:35:19,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 01:35:19,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 01:35:19,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 01:35:19,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 01:35:19,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 01:35:19,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 01:35:19,342 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 01:35:19,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 01:35:19,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 01:35:19,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 01:35:19,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 01:35:19,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 01:35:19,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 01:35:19,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 01:35:19,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 01:35:19,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 01:35:19,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 01:35:19,345 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 01:35:19,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 01:35:19,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 01:35:19,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 01:35:19,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 01:35:19,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 01:35:19,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 01:35:19,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 01:35:19,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 01:35:19,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 01:35:19,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 01:35:19,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 01:35:19,583 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 01:35:19,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-70.i [2023-12-21 01:35:20,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 01:35:20,933 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 01:35:20,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-70.i [2023-12-21 01:35:20,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2677858c5/20261fff04c44050bc3e8e896b64f525/FLAG34fa8fa16 [2023-12-21 01:35:20,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2677858c5/20261fff04c44050bc3e8e896b64f525 [2023-12-21 01:35:20,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 01:35:20,957 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 01:35:20,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 01:35:20,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 01:35:20,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 01:35:20,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:35:20" (1/1) ... [2023-12-21 01:35:20,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485b0e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:20, skipping insertion in model container [2023-12-21 01:35:20,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:35:20" (1/1) ... [2023-12-21 01:35:20,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 01:35:21,117 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_variablewrapping_normal_file-70.i[913,926] [2023-12-21 01:35:21,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 01:35:21,176 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 01:35:21,186 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_variablewrapping_normal_file-70.i[913,926] [2023-12-21 01:35:21,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 01:35:21,221 INFO L206 MainTranslator]: Completed translation [2023-12-21 01:35:21,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21 WrapperNode [2023-12-21 01:35:21,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 01:35:21,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 01:35:21,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 01:35:21,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 01:35:21,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,271 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-12-21 01:35:21,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 01:35:21,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 01:35:21,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 01:35:21,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 01:35:21,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,297 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]. [2023-12-21 01:35:21,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 01:35:21,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 01:35:21,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 01:35:21,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 01:35:21,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (1/1) ... [2023-12-21 01:35:21,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 01:35:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:35:21,342 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) [2023-12-21 01:35:21,369 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 [2023-12-21 01:35:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 01:35:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 01:35:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 01:35:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 01:35:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 01:35:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 01:35:21,478 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 01:35:21,482 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 01:35:21,729 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 01:35:21,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 01:35:21,760 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 01:35:21,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:35:21 BoogieIcfgContainer [2023-12-21 01:35:21,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 01:35:21,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 01:35:21,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 01:35:21,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 01:35:21,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:35:20" (1/3) ... [2023-12-21 01:35:21,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242c8ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:35:21, skipping insertion in model container [2023-12-21 01:35:21,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:35:21" (2/3) ... [2023-12-21 01:35:21,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242c8ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:35:21, skipping insertion in model container [2023-12-21 01:35:21,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:35:21" (3/3) ... [2023-12-21 01:35:21,768 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-70.i [2023-12-21 01:35:21,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 01:35:21,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 01:35:21,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 01:35:21,833 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;@7700f500, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 01:35:21,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 01:35:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-21 01:35:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 01:35:21,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:21,847 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:21,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:21,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1952958357, now seen corresponding path program 1 times [2023-12-21 01:35:21,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:21,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191384974] [2023-12-21 01:35:21,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:21,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-21 01:35:22,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:22,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191384974] [2023-12-21 01:35:22,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191384974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:35:22,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:35:22,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 01:35:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642770486] [2023-12-21 01:35:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:35:22,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 01:35:22,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:22,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 01:35:22,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 01:35:22,250 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 30 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 01:35:22,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:22,287 INFO L93 Difference]: Finished difference Result 85 states and 140 transitions. [2023-12-21 01:35:22,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 01:35:22,296 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2023-12-21 01:35:22,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:22,304 INFO L225 Difference]: With dead ends: 85 [2023-12-21 01:35:22,304 INFO L226 Difference]: Without dead ends: 42 [2023-12-21 01:35:22,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 01:35:22,312 INFO L413 NwaCegarLoop]: 57 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, 57 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 [2023-12-21 01:35:22,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:35:22,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-21 01:35:22,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-21 01:35:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-21 01:35:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions. [2023-12-21 01:35:22,362 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 82 [2023-12-21 01:35:22,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:22,363 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 60 transitions. [2023-12-21 01:35:22,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-21 01:35:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2023-12-21 01:35:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 01:35:22,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:22,369 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:22,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-21 01:35:22,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:22,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:22,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1575463539, now seen corresponding path program 1 times [2023-12-21 01:35:22,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:22,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848447354] [2023-12-21 01:35:22,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-21 01:35:23,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:23,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848447354] [2023-12-21 01:35:23,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848447354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:35:23,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:35:23,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 01:35:23,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61902408] [2023-12-21 01:35:23,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:35:23,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 01:35:23,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:23,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 01:35:23,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-21 01:35:23,209 INFO L87 Difference]: Start difference. First operand 42 states and 60 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:23,418 INFO L93 Difference]: Finished difference Result 129 states and 179 transitions. [2023-12-21 01:35:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 01:35:23,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-12-21 01:35:23,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:23,423 INFO L225 Difference]: With dead ends: 129 [2023-12-21 01:35:23,423 INFO L226 Difference]: Without dead ends: 88 [2023-12-21 01:35:23,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-21 01:35:23,426 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 64 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:23,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 222 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 01:35:23,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-21 01:35:23,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65. [2023-12-21 01:35:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 49 states have internal predecessors, (64), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 01:35:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 92 transitions. [2023-12-21 01:35:23,450 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 92 transitions. Word has length 82 [2023-12-21 01:35:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:23,451 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 92 transitions. [2023-12-21 01:35:23,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2023-12-21 01:35:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 01:35:23,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:23,452 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:23,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 01:35:23,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:23,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1910157131, now seen corresponding path program 1 times [2023-12-21 01:35:23,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:23,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070323581] [2023-12-21 01:35:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-21 01:35:23,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070323581] [2023-12-21 01:35:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070323581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:35:23,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:35:23,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 01:35:23,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715902116] [2023-12-21 01:35:23,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:35:23,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 01:35:23,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 01:35:23,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:35:23,615 INFO L87 Difference]: Start difference. First operand 65 states and 92 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:23,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:23,658 INFO L93 Difference]: Finished difference Result 129 states and 183 transitions. [2023-12-21 01:35:23,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 01:35:23,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-12-21 01:35:23,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:23,663 INFO L225 Difference]: With dead ends: 129 [2023-12-21 01:35:23,664 INFO L226 Difference]: Without dead ends: 65 [2023-12-21 01:35:23,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:35:23,671 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:23,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 97 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:35:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-12-21 01:35:23,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-12-21 01:35:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 49 states have internal predecessors, (62), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 01:35:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2023-12-21 01:35:23,691 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 82 [2023-12-21 01:35:23,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:23,692 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2023-12-21 01:35:23,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2023-12-21 01:35:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 01:35:23,695 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:23,695 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:23,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-21 01:35:23,696 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:23,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:23,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1967415433, now seen corresponding path program 1 times [2023-12-21 01:35:23,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:23,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088027793] [2023-12-21 01:35:23,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:23,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-21 01:35:25,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:25,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088027793] [2023-12-21 01:35:25,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088027793] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:35:25,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:35:25,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 01:35:25,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510720421] [2023-12-21 01:35:25,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:35:25,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 01:35:25,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:25,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 01:35:25,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 01:35:25,306 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:25,616 INFO L93 Difference]: Finished difference Result 144 states and 196 transitions. [2023-12-21 01:35:25,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 01:35:25,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-12-21 01:35:25,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:25,619 INFO L225 Difference]: With dead ends: 144 [2023-12-21 01:35:25,619 INFO L226 Difference]: Without dead ends: 80 [2023-12-21 01:35:25,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-21 01:35:25,621 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 38 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:25,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 163 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 01:35:25,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-21 01:35:25,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 70. [2023-12-21 01:35:25,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 54 states have internal predecessors, (68), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 01:35:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2023-12-21 01:35:25,632 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 82 [2023-12-21 01:35:25,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:25,632 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2023-12-21 01:35:25,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2023-12-21 01:35:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 01:35:25,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:25,634 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:25,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 01:35:25,634 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:25,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:25,635 INFO L85 PathProgramCache]: Analyzing trace with hash -817140659, now seen corresponding path program 1 times [2023-12-21 01:35:25,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:25,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485235606] [2023-12-21 01:35:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-21 01:35:31,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:31,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485235606] [2023-12-21 01:35:31,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485235606] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:35:31,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:35:31,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 01:35:31,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813244754] [2023-12-21 01:35:31,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:35:31,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 01:35:31,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:31,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 01:35:31,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-21 01:35:31,357 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:32,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:32,490 INFO L93 Difference]: Finished difference Result 141 states and 192 transitions. [2023-12-21 01:35:32,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 01:35:32,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-12-21 01:35:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:32,493 INFO L225 Difference]: With dead ends: 141 [2023-12-21 01:35:32,493 INFO L226 Difference]: Without dead ends: 72 [2023-12-21 01:35:32,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-21 01:35:32,494 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 30 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:32,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 127 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-21 01:35:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-21 01:35:32,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2023-12-21 01:35:32,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 49 states have internal predecessors, (61), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 01:35:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2023-12-21 01:35:32,502 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 82 [2023-12-21 01:35:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:32,503 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2023-12-21 01:35:32,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2023-12-21 01:35:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 01:35:32,507 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:32,507 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:32,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-21 01:35:32,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:32,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1260039799, now seen corresponding path program 1 times [2023-12-21 01:35:32,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:32,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979077653] [2023-12-21 01:35:32,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:32,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-21 01:35:32,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:32,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979077653] [2023-12-21 01:35:32,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979077653] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:35:32,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:35:32,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 01:35:32,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829291355] [2023-12-21 01:35:32,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:35:32,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 01:35:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:32,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 01:35:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:35:32,569 INFO L87 Difference]: Start difference. First operand 65 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:32,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:32,590 INFO L93 Difference]: Finished difference Result 131 states and 178 transitions. [2023-12-21 01:35:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 01:35:32,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-12-21 01:35:32,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:32,592 INFO L225 Difference]: With dead ends: 131 [2023-12-21 01:35:32,592 INFO L226 Difference]: Without dead ends: 67 [2023-12-21 01:35:32,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:35:32,594 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 19 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:32,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 116 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:35:32,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-21 01:35:32,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2023-12-21 01:35:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.25) internal successors, (60), 49 states have internal predecessors, (60), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 01:35:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 88 transitions. [2023-12-21 01:35:32,616 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 88 transitions. Word has length 82 [2023-12-21 01:35:32,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:32,617 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 88 transitions. [2023-12-21 01:35:32,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-12-21 01:35:32,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-21 01:35:32,620 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:32,620 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:32,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-21 01:35:32,621 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:32,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:32,621 INFO L85 PathProgramCache]: Analyzing trace with hash -558975221, now seen corresponding path program 1 times [2023-12-21 01:35:32,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:32,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844506273] [2023-12-21 01:35:32,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:32,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-21 01:35:32,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:32,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844506273] [2023-12-21 01:35:32,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844506273] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:35:32,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:35:32,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 01:35:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411961618] [2023-12-21 01:35:32,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:35:32,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 01:35:32,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:32,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 01:35:32,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 01:35:32,756 INFO L87 Difference]: Start difference. First operand 65 states and 88 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:32,791 INFO L93 Difference]: Finished difference Result 131 states and 176 transitions. [2023-12-21 01:35:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 01:35:32,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2023-12-21 01:35:32,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:32,793 INFO L225 Difference]: With dead ends: 131 [2023-12-21 01:35:32,793 INFO L226 Difference]: Without dead ends: 67 [2023-12-21 01:35:32,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 01:35:32,797 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 14 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:32,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 179 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:35:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-21 01:35:32,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2023-12-21 01:35:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 49 states have internal predecessors, (59), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 01:35:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2023-12-21 01:35:32,817 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 82 [2023-12-21 01:35:32,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:32,817 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2023-12-21 01:35:32,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-21 01:35:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2023-12-21 01:35:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-21 01:35:32,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:32,819 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:32,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 01:35:32,819 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:32,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash 581789838, now seen corresponding path program 1 times [2023-12-21 01:35:32,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:32,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988727929] [2023-12-21 01:35:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:32,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-21 01:35:33,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:33,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988727929] [2023-12-21 01:35:33,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988727929] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 01:35:33,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952199476] [2023-12-21 01:35:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:33,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:35:33,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:35:33,048 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) [2023-12-21 01:35:33,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 01:35:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:33,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-21 01:35:33,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:35:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-21 01:35:33,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 01:35:33,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952199476] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 01:35:33,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 01:35:33,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 11 [2023-12-21 01:35:33,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294710393] [2023-12-21 01:35:33,747 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 01:35:33,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 01:35:33,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:33,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 01:35:33,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-12-21 01:35:33,748 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-21 01:35:34,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:34,241 INFO L93 Difference]: Finished difference Result 147 states and 186 transitions. [2023-12-21 01:35:34,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-21 01:35:34,243 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 84 [2023-12-21 01:35:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:34,243 INFO L225 Difference]: With dead ends: 147 [2023-12-21 01:35:34,243 INFO L226 Difference]: Without dead ends: 83 [2023-12-21 01:35:34,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2023-12-21 01:35:34,245 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 122 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:34,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 119 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 01:35:34,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-21 01:35:34,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 54. [2023-12-21 01:35:34,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.135135135135135) internal successors, (42), 37 states have internal predecessors, (42), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-21 01:35:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2023-12-21 01:35:34,254 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 84 [2023-12-21 01:35:34,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:34,255 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2023-12-21 01:35:34,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-21 01:35:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-12-21 01:35:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-21 01:35:34,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:34,256 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:34,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 01:35:34,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:35:34,465 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:34,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:34,465 INFO L85 PathProgramCache]: Analyzing trace with hash 388010834, now seen corresponding path program 1 times [2023-12-21 01:35:34,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:34,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132641629] [2023-12-21 01:35:34,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:34,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 01:35:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-21 01:35:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-21 01:35:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-21 01:35:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 01:35:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 01:35:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 01:35:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 01:35:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 01:35:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 01:35:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 01:35:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 01:35:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-21 01:35:34,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:35:34,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132641629] [2023-12-21 01:35:34,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132641629] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 01:35:34,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578004492] [2023-12-21 01:35:34,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:35:34,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:35:34,677 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) [2023-12-21 01:35:34,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 01:35:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:35:34,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-21 01:35:34,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:35:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-12-21 01:35:34,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 01:35:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-21 01:35:35,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578004492] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 01:35:35,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 01:35:35,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2023-12-21 01:35:35,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954974704] [2023-12-21 01:35:35,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 01:35:35,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-21 01:35:35,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:35:35,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-21 01:35:35,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-12-21 01:35:35,067 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-21 01:35:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:35:35,306 INFO L93 Difference]: Finished difference Result 116 states and 140 transitions. [2023-12-21 01:35:35,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 01:35:35,307 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 84 [2023-12-21 01:35:35,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:35:35,308 INFO L225 Difference]: With dead ends: 116 [2023-12-21 01:35:35,308 INFO L226 Difference]: Without dead ends: 63 [2023-12-21 01:35:35,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2023-12-21 01:35:35,309 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 41 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 01:35:35,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 162 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 01:35:35,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-21 01:35:35,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2023-12-21 01:35:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 41 states have internal predecessors, (46), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-21 01:35:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2023-12-21 01:35:35,318 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 84 [2023-12-21 01:35:35,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:35:35,319 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2023-12-21 01:35:35,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-21 01:35:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2023-12-21 01:35:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-21 01:35:35,320 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:35:35,320 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:35,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 01:35:35,527 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,SelfDestructingSolverStorable8 [2023-12-21 01:35:35,528 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:35:35,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:35:35,528 INFO L85 PathProgramCache]: Analyzing trace with hash -5016176, now seen corresponding path program 1 times [2023-12-21 01:35:35,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:35:35,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864292736] [2023-12-21 01:35:35,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:35:35,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:35:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 01:35:35,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-21 01:35:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 01:35:35,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-21 01:35:35,616 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-21 01:35:35,617 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 01:35:35,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 01:35:35,621 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:35:35,624 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 01:35:35,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:35:35 BoogieIcfgContainer [2023-12-21 01:35:35,686 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 01:35:35,687 INFO L158 Benchmark]: Toolchain (without parser) took 14729.68ms. Allocated memory was 308.3MB in the beginning and 446.7MB in the end (delta: 138.4MB). Free memory was 243.2MB in the beginning and 401.9MB in the end (delta: -158.7MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 01:35:35,687 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 01:35:35,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.24ms. Allocated memory is still 308.3MB. Free memory was 243.2MB in the beginning and 230.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-21 01:35:35,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.55ms. Allocated memory is still 308.3MB. Free memory was 230.1MB in the beginning and 227.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 01:35:35,688 INFO L158 Benchmark]: Boogie Preprocessor took 40.31ms. Allocated memory is still 308.3MB. Free memory was 227.5MB in the beginning and 223.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-21 01:35:35,689 INFO L158 Benchmark]: RCFGBuilder took 447.36ms. Allocated memory is still 308.3MB. Free memory was 223.8MB in the beginning and 204.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-21 01:35:35,689 INFO L158 Benchmark]: TraceAbstraction took 13923.62ms. Allocated memory was 308.3MB in the beginning and 446.7MB in the end (delta: 138.4MB). Free memory was 203.9MB in the beginning and 401.9MB in the end (delta: -198.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 01:35:35,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 262.24ms. Allocated memory is still 308.3MB. Free memory was 243.2MB in the beginning and 230.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.55ms. Allocated memory is still 308.3MB. Free memory was 230.1MB in the beginning and 227.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.31ms. Allocated memory is still 308.3MB. Free memory was 227.5MB in the beginning and 223.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 447.36ms. Allocated memory is still 308.3MB. Free memory was 223.8MB in the beginning and 204.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 13923.62ms. Allocated memory was 308.3MB in the beginning and 446.7MB in the end (delta: 138.4MB). Free memory was 203.9MB in the beginning and 401.9MB in the end (delta: -198.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 85, overapproximation of bitwise operation at line 85, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_4 = 19138; [L25] signed char var_1_6 = 25; [L26] signed long int var_1_7 = -50; [L27] double var_1_8 = 8.3; [L28] double var_1_9 = 255.6; [L29] double var_1_10 = 10000000.375; [L30] double var_1_11 = 0.0; [L31] double var_1_12 = 255.375; [L32] unsigned char var_1_13 = 50; [L33] unsigned char var_1_14 = 2; [L34] signed char var_1_15 = 1; [L35] signed char var_1_16 = 5; [L89] isInitial = 1 [L90] FCALL initially() [L91] COND TRUE 1 [L92] FCALL updateLastVariables() [L93] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=19138, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L64] var_1_4 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_4 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L65] RET assume_abort_if_not(var_1_4 >= 16383) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L66] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L66] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10, var_1_9=1278/5] [L67] var_1_9 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L68] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=80000003/8, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L70] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L71] var_1_11 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L72] RET assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=2043/8, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L73] var_1_12 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L74] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=50, var_1_14=2, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L75] var_1_14 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=50, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_13=50, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L77] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L77] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=5, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L78] var_1_16 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L79] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L80] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L80] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_13=50, var_1_14=254, var_1_15=1, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L93] RET updateVariables() [L94] CALL step() [L39] var_1_13 = var_1_14 [L40] var_1_15 = var_1_16 VAL [isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=0, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)) VAL [isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L44] COND FALSE !(var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) VAL [isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L47] unsigned short int stepLocal_0 = var_1_4; [L48] EXPR var_1_13 << var_1_13 VAL [isInitial=1, stepLocal_0=29916, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L48] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) VAL [isInitial=1, stepLocal_0=29916, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=-50, var_1_8=83/10] [L48] COND FALSE !(stepLocal_0 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) [L51] var_1_7 = (var_1_13 + (var_1_1 + var_1_4)) VAL [isInitial=1, stepLocal_0=29916, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800, var_1_8=83/10] [L53] unsigned char stepLocal_1 = var_1_13; VAL [isInitial=1, stepLocal_0=29916, stepLocal_1=254, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800, var_1_8=83/10] [L54] COND FALSE !(var_1_13 < stepLocal_1) [L57] var_1_8 = ((var_1_11 - var_1_12) - var_1_9) VAL [isInitial=1, stepLocal_0=29916, stepLocal_1=254, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800] [L94] RET step() [L95] CALL, EXPR property() [L85] EXPR ((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4))))) [L85] EXPR var_1_13 << var_1_13 VAL [isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800] [L85] EXPR ((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13)) VAL [isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800] [L85] EXPR ((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4))))) VAL [isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800] [L85-L86] return (((((var_1_2 ? (var_1_1 == ((unsigned short int) ((17222 - var_1_13) + (((((29916) < (var_1_4)) ? (29916) : (var_1_4))) - var_1_13)))) : 1) && ((var_1_2 && (var_1_4 >= (var_1_13 + var_1_1))) ? (var_1_6 == ((signed char) 8)) : 1)) && ((var_1_4 <= ((((var_1_13) > ((var_1_13 << var_1_13))) ? (var_1_13) : ((var_1_13 << var_1_13))))) ? (var_1_7 == ((signed long int) (((((var_1_13 - var_1_13)) < (var_1_4)) ? ((var_1_13 - var_1_13)) : (var_1_4))))) : (var_1_7 == ((signed long int) (var_1_13 + (var_1_1 + var_1_4)))))) && ((var_1_13 < var_1_13) ? (var_1_8 == ((double) (var_1_9 - var_1_10))) : (var_1_8 == ((double) ((var_1_11 - var_1_12) - var_1_9))))) && (var_1_13 == ((unsigned char) var_1_14))) && (var_1_15 == ((signed char) var_1_16)) ; [L95] RET, EXPR property() [L95] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_13=254, var_1_14=254, var_1_15=126, var_1_16=126, var_1_1=46630, var_1_2=1, var_1_4=29916, var_1_6=25, var_1_7=76800] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 10, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 331 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 329 mSDsluCounter, 1242 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 786 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 873 IncrementalHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 456 mSDtfsCounter, 873 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 511 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=4, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 77 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 994 NumberOfCodeBlocks, 994 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 982 ConstructedInterpolants, 0 QuantifiedInterpolants, 4425 SizeOfPredicates, 10 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 3036/3168 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 [2023-12-21 01:35:35,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...