/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_steplocals_file-84.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 06:03:34,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 06:03:35,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 06:03:35,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 06:03:35,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 06:03:35,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 06:03:35,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 06:03:35,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 06:03:35,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 06:03:35,077 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 06:03:35,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 06:03:35,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 06:03:35,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 06:03:35,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 06:03:35,079 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 06:03:35,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 06:03:35,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 06:03:35,080 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 06:03:35,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 06:03:35,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 06:03:35,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 06:03:35,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 06:03:35,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 06:03:35,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 06:03:35,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 06:03:35,081 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 06:03:35,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 06:03:35,081 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 06:03:35,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 06:03:35,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 06:03:35,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 06:03:35,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 06:03:35,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 06:03:35,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 06:03:35,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 06:03:35,084 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 06:03:35,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 06:03:35,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 06:03:35,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 06:03:35,310 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 06:03:35,311 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 06:03:35,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_steplocals_file-84.i [2023-12-19 06:03:36,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 06:03:36,463 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 06:03:36,463 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_steplocals_file-84.i [2023-12-19 06:03:36,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0cd56510/e58127f330ac423893486d07cb68e692/FLAG4bcdc9b70 [2023-12-19 06:03:36,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0cd56510/e58127f330ac423893486d07cb68e692 [2023-12-19 06:03:36,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 06:03:36,489 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 06:03:36,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 06:03:36,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 06:03:36,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 06:03:36,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67687452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36, skipping insertion in model container [2023-12-19 06:03:36,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 06:03:36,646 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_steplocals_file-84.i[917,930] [2023-12-19 06:03:36,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 06:03:36,713 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 06:03:36,722 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_steplocals_file-84.i[917,930] [2023-12-19 06:03:36,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 06:03:36,755 INFO L206 MainTranslator]: Completed translation [2023-12-19 06:03:36,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36 WrapperNode [2023-12-19 06:03:36,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 06:03:36,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 06:03:36,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 06:03:36,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 06:03:36,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,814 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-12-19 06:03:36,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 06:03:36,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 06:03:36,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 06:03:36,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 06:03:36,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,841 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-19 06:03:36,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 06:03:36,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 06:03:36,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 06:03:36,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 06:03:36,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (1/1) ... [2023-12-19 06:03:36,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 06:03:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:03:36,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 06:03:36,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 06:03:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 06:03:36,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 06:03:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 06:03:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 06:03:36,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 06:03:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 06:03:37,017 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 06:03:37,018 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 06:03:37,276 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 06:03:37,341 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 06:03:37,341 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 06:03:37,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:03:37 BoogieIcfgContainer [2023-12-19 06:03:37,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 06:03:37,343 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 06:03:37,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 06:03:37,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 06:03:37,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 06:03:36" (1/3) ... [2023-12-19 06:03:37,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcab0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 06:03:37, skipping insertion in model container [2023-12-19 06:03:37,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:03:36" (2/3) ... [2023-12-19 06:03:37,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcab0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 06:03:37, skipping insertion in model container [2023-12-19 06:03:37,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:03:37" (3/3) ... [2023-12-19 06:03:37,347 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-84.i [2023-12-19 06:03:37,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 06:03:37,364 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 06:03:37,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 06:03:37,400 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;@5b55c0a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 06:03:37,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 06:03:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 06:03:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-19 06:03:37,414 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:03:37,414 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:03:37,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:03:37,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:03:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1344020417, now seen corresponding path program 1 times [2023-12-19 06:03:37,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:03:37,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115862982] [2023-12-19 06:03:37,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:03:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:03:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:03:37,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:03:37,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115862982] [2023-12-19 06:03:37,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 06:03:37,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283934608] [2023-12-19 06:03:37,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:03:37,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:03:37,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:03:37,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:03:37,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 06:03:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:03:37,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 06:03:37,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:03:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-12-19 06:03:37,780 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:03:37,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283934608] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:03:37,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:03:37,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 06:03:37,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739054056] [2023-12-19 06:03:37,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:03:37,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 06:03:37,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:03:37,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 06:03:37,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 06:03:37,810 INFO L87 Difference]: Start difference. First operand has 76 states, 47 states have (on average 1.4893617021276595) internal successors, (70), 48 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-19 06:03:37,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:03:37,860 INFO L93 Difference]: Finished difference Result 149 states and 268 transitions. [2023-12-19 06:03:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 06:03:37,863 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 162 [2023-12-19 06:03:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:03:37,869 INFO L225 Difference]: With dead ends: 149 [2023-12-19 06:03:37,869 INFO L226 Difference]: Without dead ends: 74 [2023-12-19 06:03:37,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 06:03:37,875 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 06:03:37,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 06:03:37,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-19 06:03:37,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-19 06:03:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 46 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 06:03:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 117 transitions. [2023-12-19 06:03:37,907 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 117 transitions. Word has length 162 [2023-12-19 06:03:37,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:03:37,908 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 117 transitions. [2023-12-19 06:03:37,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-19 06:03:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 117 transitions. [2023-12-19 06:03:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-19 06:03:37,910 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:03:37,911 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:03:37,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 06:03:38,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 06:03:38,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:03:38,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:03:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1424937283, now seen corresponding path program 1 times [2023-12-19 06:03:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:03:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297785784] [2023-12-19 06:03:38,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:03:38,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:03:38,182 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:03:38,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603497339] [2023-12-19 06:03:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:03:38,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:03:38,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:03:38,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:03:38,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 06:03:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:03:38,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 06:03:38,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:03:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:03:47,481 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:03:47,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:03:47,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297785784] [2023-12-19 06:03:47,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:03:47,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603497339] [2023-12-19 06:03:47,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603497339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:03:47,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:03:47,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 06:03:47,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312249346] [2023-12-19 06:03:47,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:03:47,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 06:03:47,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:03:47,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 06:03:47,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 06:03:47,484 INFO L87 Difference]: Start difference. First operand 74 states and 117 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:03:50,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:03:50,574 INFO L93 Difference]: Finished difference Result 218 states and 338 transitions. [2023-12-19 06:03:50,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 06:03:50,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-12-19 06:03:50,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:03:50,579 INFO L225 Difference]: With dead ends: 218 [2023-12-19 06:03:50,579 INFO L226 Difference]: Without dead ends: 145 [2023-12-19 06:03:50,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-19 06:03:50,582 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 164 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-19 06:03:50,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 334 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-19 06:03:50,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-19 06:03:50,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 121. [2023-12-19 06:03:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 90 states have (on average 1.511111111111111) internal successors, (136), 91 states have internal predecessors, (136), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 06:03:50,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 192 transitions. [2023-12-19 06:03:50,618 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 192 transitions. Word has length 162 [2023-12-19 06:03:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:03:50,621 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 192 transitions. [2023-12-19 06:03:50,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:03:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2023-12-19 06:03:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-19 06:03:50,624 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:03:50,624 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:03:50,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 06:03:50,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 06:03:50,837 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:03:50,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:03:50,838 INFO L85 PathProgramCache]: Analyzing trace with hash 875885307, now seen corresponding path program 1 times [2023-12-19 06:03:50,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:03:50,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655624615] [2023-12-19 06:03:50,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:03:50,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:03:50,893 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:03:50,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327379544] [2023-12-19 06:03:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:03:50,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:03:50,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:03:50,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:03:50,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 06:03:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:03:51,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 06:03:51,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:03,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:04:03,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:03,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655624615] [2023-12-19 06:04:03,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:03,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327379544] [2023-12-19 06:04:03,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327379544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:04:03,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:04:03,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 06:04:03,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131815830] [2023-12-19 06:04:03,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:03,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 06:04:03,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:03,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 06:04:03,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 06:04:03,474 INFO L87 Difference]: Start difference. First operand 121 states and 192 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:06,288 INFO L93 Difference]: Finished difference Result 271 states and 427 transitions. [2023-12-19 06:04:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 06:04:06,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 162 [2023-12-19 06:04:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:06,291 INFO L225 Difference]: With dead ends: 271 [2023-12-19 06:04:06,291 INFO L226 Difference]: Without dead ends: 151 [2023-12-19 06:04:06,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-19 06:04:06,293 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 124 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:06,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 523 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-19 06:04:06,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-12-19 06:04:06,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 134. [2023-12-19 06:04:06,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 103 states have (on average 1.5339805825242718) internal successors, (158), 104 states have internal predecessors, (158), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 06:04:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 214 transitions. [2023-12-19 06:04:06,310 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 214 transitions. Word has length 162 [2023-12-19 06:04:06,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:06,311 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 214 transitions. [2023-12-19 06:04:06,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 214 transitions. [2023-12-19 06:04:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-19 06:04:06,312 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:06,313 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:06,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-19 06:04:06,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:06,520 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:06,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:06,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1598639110, now seen corresponding path program 1 times [2023-12-19 06:04:06,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:06,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193643196] [2023-12-19 06:04:06,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:06,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:06,550 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:06,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365110370] [2023-12-19 06:04:06,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:06,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:06,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:06,552 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:06,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 06:04:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:06,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-19 06:04:06,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 369 proven. 63 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-12-19 06:04:06,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:04:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 12 proven. 63 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-19 06:04:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193643196] [2023-12-19 06:04:06,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365110370] [2023-12-19 06:04:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365110370] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 06:04:06,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 06:04:06,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-19 06:04:06,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186315651] [2023-12-19 06:04:06,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 06:04:06,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 06:04:06,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:06,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 06:04:06,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-19 06:04:06,918 INFO L87 Difference]: Start difference. First operand 134 states and 214 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-12-19 06:04:07,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:07,204 INFO L93 Difference]: Finished difference Result 275 states and 434 transitions. [2023-12-19 06:04:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 06:04:07,204 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 163 [2023-12-19 06:04:07,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:07,206 INFO L225 Difference]: With dead ends: 275 [2023-12-19 06:04:07,206 INFO L226 Difference]: Without dead ends: 142 [2023-12-19 06:04:07,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-12-19 06:04:07,208 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 146 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:07,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 140 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 06:04:07,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-19 06:04:07,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2023-12-19 06:04:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 106 states have (on average 1.5) internal successors, (159), 107 states have internal predecessors, (159), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 06:04:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 215 transitions. [2023-12-19 06:04:07,220 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 215 transitions. Word has length 163 [2023-12-19 06:04:07,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:07,221 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 215 transitions. [2023-12-19 06:04:07,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2023-12-19 06:04:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-12-19 06:04:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-19 06:04:07,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:07,222 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:07,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:07,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:07,428 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:07,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:07,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1675259832, now seen corresponding path program 1 times [2023-12-19 06:04:07,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:07,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739549166] [2023-12-19 06:04:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:07,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:07,451 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574321688] [2023-12-19 06:04:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:07,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:07,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:07,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:07,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 06:04:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:07,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 06:04:07,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:08,240 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:04:08,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:08,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739549166] [2023-12-19 06:04:08,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:08,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574321688] [2023-12-19 06:04:08,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574321688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:04:08,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:04:08,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 06:04:08,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941463720] [2023-12-19 06:04:08,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:08,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 06:04:08,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:08,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 06:04:08,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 06:04:08,242 INFO L87 Difference]: Start difference. First operand 138 states and 215 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:08,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:08,760 INFO L93 Difference]: Finished difference Result 299 states and 458 transitions. [2023-12-19 06:04:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 06:04:08,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2023-12-19 06:04:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:08,765 INFO L225 Difference]: With dead ends: 299 [2023-12-19 06:04:08,765 INFO L226 Difference]: Without dead ends: 162 [2023-12-19 06:04:08,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-19 06:04:08,766 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 98 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:08,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 484 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 06:04:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-19 06:04:08,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 125. [2023-12-19 06:04:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 06:04:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 192 transitions. [2023-12-19 06:04:08,781 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 192 transitions. Word has length 163 [2023-12-19 06:04:08,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:08,782 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 192 transitions. [2023-12-19 06:04:08,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 192 transitions. [2023-12-19 06:04:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-19 06:04:08,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:08,784 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:08,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:08,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:08,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:08,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash -13683910, now seen corresponding path program 1 times [2023-12-19 06:04:08,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:08,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242870489] [2023-12-19 06:04:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:09,015 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:09,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731401257] [2023-12-19 06:04:09,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:09,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:09,021 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:09,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 06:04:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:09,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 06:04:09,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:09,361 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:04:09,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:09,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242870489] [2023-12-19 06:04:09,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:09,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731401257] [2023-12-19 06:04:09,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731401257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:04:09,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:04:09,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 06:04:09,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616774567] [2023-12-19 06:04:09,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:09,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 06:04:09,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:09,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 06:04:09,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 06:04:09,363 INFO L87 Difference]: Start difference. First operand 125 states and 192 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:09,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:09,522 INFO L93 Difference]: Finished difference Result 266 states and 404 transitions. [2023-12-19 06:04:09,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 06:04:09,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2023-12-19 06:04:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:09,524 INFO L225 Difference]: With dead ends: 266 [2023-12-19 06:04:09,524 INFO L226 Difference]: Without dead ends: 142 [2023-12-19 06:04:09,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-19 06:04:09,525 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 78 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:09,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 570 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 06:04:09,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-19 06:04:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 112. [2023-12-19 06:04:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 80 states have (on average 1.4125) internal successors, (113), 81 states have internal predecessors, (113), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 06:04:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 169 transitions. [2023-12-19 06:04:09,534 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 169 transitions. Word has length 163 [2023-12-19 06:04:09,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:09,534 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 169 transitions. [2023-12-19 06:04:09,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2023-12-19 06:04:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-19 06:04:09,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:09,536 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:09,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:09,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:09,745 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:09,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1545624670, now seen corresponding path program 1 times [2023-12-19 06:04:09,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:09,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403841157] [2023-12-19 06:04:09,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:09,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:09,769 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:09,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [454204180] [2023-12-19 06:04:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:09,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:09,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:09,771 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:09,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 06:04:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:09,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-19 06:04:09,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:10,876 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:04:10,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:10,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403841157] [2023-12-19 06:04:10,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:10,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454204180] [2023-12-19 06:04:10,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454204180] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:04:10,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:04:10,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 06:04:10,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747788555] [2023-12-19 06:04:10,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:10,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 06:04:10,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:10,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 06:04:10,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-19 06:04:10,878 INFO L87 Difference]: Start difference. First operand 112 states and 169 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:11,385 INFO L93 Difference]: Finished difference Result 405 states and 592 transitions. [2023-12-19 06:04:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 06:04:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-12-19 06:04:11,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:11,387 INFO L225 Difference]: With dead ends: 405 [2023-12-19 06:04:11,387 INFO L226 Difference]: Without dead ends: 294 [2023-12-19 06:04:11,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-12-19 06:04:11,389 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 181 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:11,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 578 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 06:04:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-12-19 06:04:11,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 181. [2023-12-19 06:04:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 141 states have (on average 1.425531914893617) internal successors, (201), 144 states have internal predecessors, (201), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 06:04:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 269 transitions. [2023-12-19 06:04:11,402 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 269 transitions. Word has length 164 [2023-12-19 06:04:11,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:11,403 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 269 transitions. [2023-12-19 06:04:11,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 269 transitions. [2023-12-19 06:04:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-19 06:04:11,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:11,404 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:11,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:11,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:11,609 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:11,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2132430684, now seen corresponding path program 1 times [2023-12-19 06:04:11,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:11,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114272267] [2023-12-19 06:04:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:11,625 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:11,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096995983] [2023-12-19 06:04:11,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:11,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:11,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:11,627 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:11,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 06:04:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:11,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-19 06:04:11,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:11,960 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:04:11,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:11,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114272267] [2023-12-19 06:04:11,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:11,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096995983] [2023-12-19 06:04:11,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096995983] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:04:11,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:04:11,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 06:04:11,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47486252] [2023-12-19 06:04:11,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:11,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 06:04:11,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:11,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 06:04:11,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-19 06:04:11,962 INFO L87 Difference]: Start difference. First operand 181 states and 269 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:12,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:12,374 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2023-12-19 06:04:12,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 06:04:12,374 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-12-19 06:04:12,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:12,377 INFO L225 Difference]: With dead ends: 420 [2023-12-19 06:04:12,378 INFO L226 Difference]: Without dead ends: 240 [2023-12-19 06:04:12,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2023-12-19 06:04:12,379 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 157 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:12,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 682 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 06:04:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-12-19 06:04:12,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 181. [2023-12-19 06:04:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 141 states have (on average 1.425531914893617) internal successors, (201), 144 states have internal predecessors, (201), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 06:04:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 269 transitions. [2023-12-19 06:04:12,393 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 269 transitions. Word has length 164 [2023-12-19 06:04:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:12,394 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 269 transitions. [2023-12-19 06:04:12,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 269 transitions. [2023-12-19 06:04:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-19 06:04:12,395 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:12,395 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:12,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:12,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-19 06:04:12,604 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:12,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:12,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1469478948, now seen corresponding path program 1 times [2023-12-19 06:04:12,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:12,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69042832] [2023-12-19 06:04:12,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:12,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:12,619 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:12,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721350507] [2023-12-19 06:04:12,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:12,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:12,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:12,620 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:12,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-19 06:04:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:12,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-19 06:04:12,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 792 proven. 96 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2023-12-19 06:04:14,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:04:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:22,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:22,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69042832] [2023-12-19 06:04:22,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:22,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721350507] [2023-12-19 06:04:22,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721350507] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 06:04:22,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 06:04:22,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2023-12-19 06:04:22,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660249431] [2023-12-19 06:04:22,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:22,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 06:04:22,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 06:04:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2023-12-19 06:04:22,987 INFO L87 Difference]: Start difference. First operand 181 states and 269 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:28,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:28,179 INFO L93 Difference]: Finished difference Result 447 states and 652 transitions. [2023-12-19 06:04:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 06:04:28,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-12-19 06:04:28,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:28,181 INFO L225 Difference]: With dead ends: 447 [2023-12-19 06:04:28,181 INFO L226 Difference]: Without dead ends: 267 [2023-12-19 06:04:28,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2023-12-19 06:04:28,182 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 164 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:28,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 567 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-19 06:04:28,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-19 06:04:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 161. [2023-12-19 06:04:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 121 states have (on average 1.4049586776859504) internal successors, (170), 124 states have internal predecessors, (170), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 06:04:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 238 transitions. [2023-12-19 06:04:28,204 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 238 transitions. Word has length 164 [2023-12-19 06:04:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:28,204 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 238 transitions. [2023-12-19 06:04:28,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 238 transitions. [2023-12-19 06:04:28,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-19 06:04:28,205 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:28,206 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:28,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:28,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:28,412 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:28,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:28,413 INFO L85 PathProgramCache]: Analyzing trace with hash 882672934, now seen corresponding path program 1 times [2023-12-19 06:04:28,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:28,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99604753] [2023-12-19 06:04:28,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:28,427 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:28,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209570707] [2023-12-19 06:04:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:28,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:28,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:28,429 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:28,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-19 06:04:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:28,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 06:04:28,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 675 proven. 36 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-12-19 06:04:29,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:04:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:35,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99604753] [2023-12-19 06:04:35,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209570707] [2023-12-19 06:04:35,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209570707] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 06:04:35,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 06:04:35,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 19 [2023-12-19 06:04:35,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532685741] [2023-12-19 06:04:35,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:35,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 06:04:35,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:35,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 06:04:35,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-19 06:04:35,466 INFO L87 Difference]: Start difference. First operand 161 states and 238 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:42,194 INFO L93 Difference]: Finished difference Result 369 states and 538 transitions. [2023-12-19 06:04:42,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 06:04:42,195 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-12-19 06:04:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:42,196 INFO L225 Difference]: With dead ends: 369 [2023-12-19 06:04:42,196 INFO L226 Difference]: Without dead ends: 212 [2023-12-19 06:04:42,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2023-12-19 06:04:42,197 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 154 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:42,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 645 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-12-19 06:04:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-19 06:04:42,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 152. [2023-12-19 06:04:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 112 states have (on average 1.3928571428571428) internal successors, (156), 115 states have internal predecessors, (156), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-19 06:04:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 224 transitions. [2023-12-19 06:04:42,208 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 224 transitions. Word has length 164 [2023-12-19 06:04:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:42,209 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 224 transitions. [2023-12-19 06:04:42,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 224 transitions. [2023-12-19 06:04:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 06:04:42,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:42,210 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:42,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-19 06:04:42,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-19 06:04:42,416 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:42,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash 740295534, now seen corresponding path program 1 times [2023-12-19 06:04:42,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:42,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500094586] [2023-12-19 06:04:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:42,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:42,432 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:42,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576551916] [2023-12-19 06:04:42,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:42,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:42,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:42,434 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:42,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-19 06:04:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:42,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-19 06:04:42,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:43,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:04:43,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:43,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500094586] [2023-12-19 06:04:43,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:43,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576551916] [2023-12-19 06:04:43,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576551916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:04:43,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:04:43,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-19 06:04:43,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883734181] [2023-12-19 06:04:43,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:43,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 06:04:43,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:43,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 06:04:43,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-19 06:04:43,560 INFO L87 Difference]: Start difference. First operand 152 states and 224 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:44,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:44,210 INFO L93 Difference]: Finished difference Result 592 states and 864 transitions. [2023-12-19 06:04:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 06:04:44,210 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-19 06:04:44,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:44,213 INFO L225 Difference]: With dead ends: 592 [2023-12-19 06:04:44,213 INFO L226 Difference]: Without dead ends: 444 [2023-12-19 06:04:44,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2023-12-19 06:04:44,214 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 271 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:44,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1103 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 06:04:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-12-19 06:04:44,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 277. [2023-12-19 06:04:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 206 states have (on average 1.4077669902912622) internal successors, (290), 210 states have internal predecessors, (290), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-19 06:04:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 414 transitions. [2023-12-19 06:04:44,248 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 414 transitions. Word has length 165 [2023-12-19 06:04:44,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:44,249 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 414 transitions. [2023-12-19 06:04:44,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 414 transitions. [2023-12-19 06:04:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 06:04:44,250 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:44,250 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:44,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:44,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-19 06:04:44,457 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:44,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:44,457 INFO L85 PathProgramCache]: Analyzing trace with hash 153489520, now seen corresponding path program 1 times [2023-12-19 06:04:44,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:44,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771777541] [2023-12-19 06:04:44,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:44,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:44,475 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:44,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757366535] [2023-12-19 06:04:44,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:44,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:44,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:44,477 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:44,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-19 06:04:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:44,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-19 06:04:44,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:44,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:04:44,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:44,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771777541] [2023-12-19 06:04:44,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:44,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757366535] [2023-12-19 06:04:44,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757366535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:04:44,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:04:44,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-19 06:04:44,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812100527] [2023-12-19 06:04:44,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:44,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 06:04:44,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:44,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 06:04:44,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-12-19 06:04:44,789 INFO L87 Difference]: Start difference. First operand 277 states and 414 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:45,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:04:45,335 INFO L93 Difference]: Finished difference Result 485 states and 708 transitions. [2023-12-19 06:04:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-19 06:04:45,336 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-19 06:04:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:04:45,337 INFO L225 Difference]: With dead ends: 485 [2023-12-19 06:04:45,337 INFO L226 Difference]: Without dead ends: 360 [2023-12-19 06:04:45,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2023-12-19 06:04:45,339 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 320 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 06:04:45,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 1025 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 06:04:45,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-19 06:04:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 277. [2023-12-19 06:04:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 206 states have (on average 1.4077669902912622) internal successors, (290), 210 states have internal predecessors, (290), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 58 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-19 06:04:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 414 transitions. [2023-12-19 06:04:45,358 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 414 transitions. Word has length 165 [2023-12-19 06:04:45,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:04:45,358 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 414 transitions. [2023-12-19 06:04:45,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:04:45,359 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 414 transitions. [2023-12-19 06:04:45,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 06:04:45,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:04:45,360 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:04:45,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-19 06:04:45,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-19 06:04:45,565 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:04:45,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:04:45,566 INFO L85 PathProgramCache]: Analyzing trace with hash -539568144, now seen corresponding path program 1 times [2023-12-19 06:04:45,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:04:45,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493216247] [2023-12-19 06:04:45,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:45,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:04:45,583 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:04:45,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272507314] [2023-12-19 06:04:45,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:04:45,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:04:45,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:04:45,588 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:04:45,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-19 06:04:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:04:45,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-19 06:04:45,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:04:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 896 proven. 138 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2023-12-19 06:04:47,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:04:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:04:59,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:04:59,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493216247] [2023-12-19 06:04:59,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:04:59,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272507314] [2023-12-19 06:04:59,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272507314] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 06:04:59,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 06:04:59,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [22] total 29 [2023-12-19 06:04:59,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509500323] [2023-12-19 06:04:59,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:04:59,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 06:04:59,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:04:59,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 06:04:59,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2023-12-19 06:04:59,273 INFO L87 Difference]: Start difference. First operand 277 states and 414 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:05:13,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:05:13,695 INFO L93 Difference]: Finished difference Result 513 states and 743 transitions. [2023-12-19 06:05:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-19 06:05:13,696 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-19 06:05:13,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:05:13,698 INFO L225 Difference]: With dead ends: 513 [2023-12-19 06:05:13,698 INFO L226 Difference]: Without dead ends: 388 [2023-12-19 06:05:13,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=234, Invalid=1406, Unknown=0, NotChecked=0, Total=1640 [2023-12-19 06:05:13,699 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 334 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-12-19 06:05:13,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 973 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-12-19 06:05:13,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-12-19 06:05:13,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 243. [2023-12-19 06:05:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 176 states have (on average 1.3863636363636365) internal successors, (244), 178 states have internal predecessors, (244), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-19 06:05:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 360 transitions. [2023-12-19 06:05:13,722 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 360 transitions. Word has length 165 [2023-12-19 06:05:13,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:05:13,722 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 360 transitions. [2023-12-19 06:05:13,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:05:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 360 transitions. [2023-12-19 06:05:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 06:05:13,723 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:05:13,723 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:05:13,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-19 06:05:13,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-19 06:05:13,930 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:05:13,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:05:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1126374158, now seen corresponding path program 1 times [2023-12-19 06:05:13,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:05:13,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762876944] [2023-12-19 06:05:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:05:13,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:05:13,959 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:05:13,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884930719] [2023-12-19 06:05:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:05:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:05:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:05:13,983 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:05:13,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-19 06:05:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:05:14,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-19 06:05:14,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:05:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 896 proven. 138 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2023-12-19 06:05:14,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:05:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:05:23,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:05:23,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762876944] [2023-12-19 06:05:23,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:05:23,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884930719] [2023-12-19 06:05:23,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884930719] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 06:05:23,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 06:05:23,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 31 [2023-12-19 06:05:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48671588] [2023-12-19 06:05:23,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:05:23,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 06:05:23,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:05:23,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 06:05:23,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2023-12-19 06:05:23,886 INFO L87 Difference]: Start difference. First operand 243 states and 360 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:05:38,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:05:38,301 INFO L93 Difference]: Finished difference Result 422 states and 608 transitions. [2023-12-19 06:05:38,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-19 06:05:38,301 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-19 06:05:38,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:05:38,305 INFO L225 Difference]: With dead ends: 422 [2023-12-19 06:05:38,306 INFO L226 Difference]: Without dead ends: 327 [2023-12-19 06:05:38,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=289, Invalid=1691, Unknown=0, NotChecked=0, Total=1980 [2023-12-19 06:05:38,308 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 286 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-12-19 06:05:38,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1176 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-12-19 06:05:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-12-19 06:05:38,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 229. [2023-12-19 06:05:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 162 states have (on average 1.3703703703703705) internal successors, (222), 164 states have internal predecessors, (222), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-19 06:05:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 338 transitions. [2023-12-19 06:05:38,328 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 338 transitions. Word has length 165 [2023-12-19 06:05:38,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:05:38,328 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 338 transitions. [2023-12-19 06:05:38,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:05:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 338 transitions. [2023-12-19 06:05:38,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-19 06:05:38,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:05:38,330 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:05:38,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-19 06:05:38,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:05:38,536 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:05:38,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:05:38,537 INFO L85 PathProgramCache]: Analyzing trace with hash -866878683, now seen corresponding path program 1 times [2023-12-19 06:05:38,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:05:38,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489459485] [2023-12-19 06:05:38,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:05:38,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:05:38,549 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:05:38,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256929312] [2023-12-19 06:05:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:05:38,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:05:38,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:05:38,551 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:05:38,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-19 06:05:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:05:38,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 06:05:38,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:05:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-19 06:05:38,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:05:38,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:05:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489459485] [2023-12-19 06:05:38,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:05:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256929312] [2023-12-19 06:05:38,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256929312] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:05:38,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:05:38,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 06:05:38,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380045259] [2023-12-19 06:05:38,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:05:38,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 06:05:38,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:05:38,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 06:05:38,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 06:05:38,678 INFO L87 Difference]: Start difference. First operand 229 states and 338 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:05:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:05:38,751 INFO L93 Difference]: Finished difference Result 561 states and 813 transitions. [2023-12-19 06:05:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 06:05:38,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-12-19 06:05:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:05:38,753 INFO L225 Difference]: With dead ends: 561 [2023-12-19 06:05:38,753 INFO L226 Difference]: Without dead ends: 333 [2023-12-19 06:05:38,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 06:05:38,756 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 37 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 06:05:38,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 184 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 06:05:38,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-12-19 06:05:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 309. [2023-12-19 06:05:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 228 states have (on average 1.3596491228070176) internal successors, (310), 233 states have internal predecessors, (310), 68 states have call successors, (68), 12 states have call predecessors, (68), 12 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-19 06:05:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 446 transitions. [2023-12-19 06:05:38,783 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 446 transitions. Word has length 165 [2023-12-19 06:05:38,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:05:38,783 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 446 transitions. [2023-12-19 06:05:38,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-19 06:05:38,784 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 446 transitions. [2023-12-19 06:05:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-12-19 06:05:38,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:05:38,784 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:05:38,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-19 06:05:38,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-19 06:05:38,991 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:05:38,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:05:38,991 INFO L85 PathProgramCache]: Analyzing trace with hash 220953191, now seen corresponding path program 1 times [2023-12-19 06:05:38,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:05:38,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462952111] [2023-12-19 06:05:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:05:38,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:05:39,006 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:05:39,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850766585] [2023-12-19 06:05:39,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:05:39,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:05:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:05:39,009 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 06:05:39,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-19 06:05:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 06:05:39,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 06:05:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 06:05:39,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 06:05:39,215 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 06:05:39,216 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 06:05:39,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-19 06:05:39,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-19 06:05:39,427 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:05:39,430 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 06:05:39,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 06:05:39 BoogieIcfgContainer [2023-12-19 06:05:39,502 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 06:05:39,503 INFO L158 Benchmark]: Toolchain (without parser) took 123013.80ms. Allocated memory was 230.7MB in the beginning and 576.7MB in the end (delta: 346.0MB). Free memory was 187.2MB in the beginning and 508.6MB in the end (delta: -321.4MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-19 06:05:39,503 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 06:05:39,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.47ms. Allocated memory is still 230.7MB. Free memory was 186.8MB in the beginning and 172.8MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-19 06:05:39,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.05ms. Allocated memory is still 230.7MB. Free memory was 172.8MB in the beginning and 169.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 06:05:39,503 INFO L158 Benchmark]: Boogie Preprocessor took 51.53ms. Allocated memory is still 230.7MB. Free memory was 169.0MB in the beginning and 164.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 06:05:39,503 INFO L158 Benchmark]: RCFGBuilder took 474.58ms. Allocated memory is still 230.7MB. Free memory was 163.8MB in the beginning and 198.0MB in the end (delta: -34.2MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. [2023-12-19 06:05:39,504 INFO L158 Benchmark]: TraceAbstraction took 122159.37ms. Allocated memory was 230.7MB in the beginning and 576.7MB in the end (delta: 346.0MB). Free memory was 197.5MB in the beginning and 508.6MB in the end (delta: -311.1MB). Peak memory consumption was 34.9MB. Max. memory is 8.0GB. [2023-12-19 06:05:39,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.47ms. Allocated memory is still 230.7MB. Free memory was 186.8MB in the beginning and 172.8MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.05ms. Allocated memory is still 230.7MB. Free memory was 172.8MB in the beginning and 169.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.53ms. Allocated memory is still 230.7MB. Free memory was 169.0MB in the beginning and 164.2MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 474.58ms. Allocated memory is still 230.7MB. Free memory was 163.8MB in the beginning and 198.0MB in the end (delta: -34.2MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. * TraceAbstraction took 122159.37ms. Allocated memory was 230.7MB in the beginning and 576.7MB in the end (delta: 346.0MB). Free memory was 197.5MB in the beginning and 508.6MB in the end (delta: -311.1MB). Peak memory consumption was 34.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -10; [L23] unsigned char var_1_2 = 1; [L24] signed char var_1_3 = -16; [L25] signed char var_1_4 = 50; [L26] signed char var_1_5 = 4; [L27] unsigned long int var_1_6 = 50; [L28] signed long int var_1_7 = -8; [L29] signed long int var_1_8 = -4; [L30] signed char var_1_9 = 50; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 5; [L33] unsigned long int var_1_12 = 10; [L34] signed char var_1_13 = 16; [L35] signed long int var_1_14 = 1; [L36] unsigned short int var_1_15 = 128; [L37] signed long int var_1_16 = 2; [L38] unsigned short int var_1_17 = 61498; [L39] unsigned long int var_1_18 = 1; [L40] unsigned char var_1_19 = 0; [L41] double var_1_20 = 4.9; [L42] double var_1_21 = 1.5; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] FCALL updateLastVariables() [L133] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L85] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L85] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=-16, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L86] var_1_3 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L87] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L88] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L88] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=50, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L89] var_1_4 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L91] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L91] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=4, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L92] var_1_5 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L93] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L94] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=-8, var_1_8=-4, var_1_9=50] [L95] var_1_7 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L96] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L97] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L98] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-4, var_1_9=50] [L99] var_1_8 = __VERIFIER_nondet_long() [L100] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L100] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L101] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L102] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L102] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L103] var_1_10 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L104] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L105] CALL assume_abort_if_not(var_1_10 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L105] RET assume_abort_if_not(var_1_10 <= 255) VAL [isInitial=1, var_1_10=127, var_1_11=5, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L106] var_1_11 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L107] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L108] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L108] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L109] CALL assume_abort_if_not(var_1_11 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L109] RET assume_abort_if_not(var_1_11 != 127) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=1, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L110] var_1_14 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L111] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L112] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L112] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=2, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L113] var_1_16 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L114] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L115] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L115] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=61498, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L117] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L118] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L118] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_21=3/2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L119] var_1_21 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L120] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=-10, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L133] RET updateVariables() [L134] CALL step() [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L49] signed long int stepLocal_1 = -16; [L50] signed long int stepLocal_0 = var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))); VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L51] COND FALSE !(-4 > stepLocal_0) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L56] EXPR var_1_8 & var_1_4 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=50] [L56] COND FALSE !(var_1_6 <= (var_1_8 & var_1_4)) [L61] var_1_9 = var_1_4 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, var_1_10=127, var_1_11=126, var_1_12=10, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L63] COND TRUE var_1_3 <= var_1_1 [L64] var_1_12 = var_1_4 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L68] signed long int stepLocal_2 = var_1_14; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, stepLocal_2=0, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=16, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L69] COND TRUE (~ var_1_3) < stepLocal_2 [L70] var_1_13 = (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, stepLocal_2=0, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L72] signed long int stepLocal_3 = var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))); VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, stepLocal_2=0, stepLocal_3=127, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L73] EXPR (var_1_4 + var_1_14) & var_1_7 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, stepLocal_2=0, stepLocal_3=127, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=128, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L73] COND TRUE ((var_1_4 + var_1_14) & var_1_7) <= stepLocal_3 [L74] var_1_15 = (var_1_11 + 64) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-16, stepLocal_2=0, stepLocal_3=127, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=1, var_1_19=0, var_1_1=3, var_1_20=49/10, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L78] var_1_18 = var_1_17 [L79] var_1_19 = 0 [L80] var_1_20 = var_1_21 [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR ((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L125] EXPR var_1_8 & var_1_4 VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L125] EXPR ((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4))) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L125] EXPR (((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L125] EXPR (var_1_4 + var_1_14) & var_1_7 VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L125] EXPR (((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11)))))) VAL [isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L125-L126] return ((((((((var_1_2 ? (var_1_1 == ((signed char) (((((var_1_3 + (1 - var_1_4))) < (var_1_5)) ? ((var_1_3 + (1 - var_1_4))) : (var_1_5))))) : 1) && ((-4 > (var_1_5 / ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))))) ? ((var_1_4 < -16) ? (var_1_6 == ((unsigned long int) ((((32u) < 0 ) ? -(32u) : (32u))))) : 1) : 1)) && ((var_1_6 <= (var_1_8 & var_1_4)) ? ((((- 8) / (var_1_10 - var_1_11)) >= var_1_3) ? (var_1_9 == ((signed char) var_1_3)) : 1) : (var_1_9 == ((signed char) var_1_4)))) && ((var_1_3 <= var_1_1) ? (var_1_12 == ((unsigned long int) var_1_4)) : (var_1_12 == ((unsigned long int) (((((var_1_11 + var_1_4)) < (var_1_10)) ? ((var_1_11 + var_1_4)) : (var_1_10))))))) && (((~ var_1_3) < var_1_14) ? (var_1_13 == ((signed char) (((((var_1_4 + var_1_3)) > (-5)) ? ((var_1_4 + var_1_3)) : (-5))))) : 1)) && ((((var_1_4 + var_1_14) & var_1_7) <= (var_1_10 - ((((var_1_11) < (var_1_16)) ? (var_1_11) : (var_1_16))))) ? (var_1_15 == ((unsigned short int) (var_1_11 + 64))) : (var_1_15 == ((unsigned short int) ((((((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) > (var_1_11)) ? (((((var_1_10) > ((var_1_17 - var_1_4))) ? (var_1_10) : ((var_1_17 - var_1_4))))) : (var_1_11))))))) && (var_1_18 == ((unsigned long int) var_1_17))) && (var_1_19 == ((unsigned char) 0))) && (var_1_20 == ((double) var_1_21)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=126, var_1_12=0, var_1_13=3, var_1_14=0, var_1_15=190, var_1_16=0, var_1_17=65534, var_1_18=65534, var_1_19=0, var_1_1=3, var_1_20=2, var_1_21=2, var_1_2=1, var_1_3=3, var_1_4=0, var_1_5=3, var_1_6=50, var_1_7=2, var_1_8=-2147483648, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 122.0s, OverallIterations: 16, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2518 SdHoareTripleChecker+Valid, 28.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2514 mSDsluCounter, 9097 SdHoareTripleChecker+Invalid, 28.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7000 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5538 IncrementalHoareTripleChecker+Invalid, 5648 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 2097 mSDtfsCounter, 5538 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3352 GetRequests, 3117 SyntacticMatches, 0 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 38.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=15, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 967 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 66.2s InterpolantComputationTime, 2784 NumberOfCodeBlocks, 2784 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3257 ConstructedInterpolants, 0 QuantifiedInterpolants, 21493 SizeOfPredicates, 166 NumberOfNonLiveVariables, 5618 ConjunctsInSsa, 212 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 25466/26000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 06:05:39,676 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...