/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-32.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:03:36,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:03:36,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 23:03:36,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:03:36,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:03:36,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:03:36,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:03:36,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:03:36,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:03:36,412 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:03:36,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:03:36,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:03:36,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:03:36,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:03:36,414 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:03:36,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:03:36,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:03:36,414 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:03:36,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:03:36,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:03:36,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:03:36,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:03:36,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:03:36,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:03:36,415 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:03:36,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:03:36,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:03:36,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:03:36,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:03:36,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:03:36,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:03:36,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:03:36,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:03:36,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:03:36,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:03:36,419 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:03:36,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:03:36,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:03:36,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:03:36,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:03:36,589 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:03:36,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-32.i [2023-12-20 23:03:37,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:03:37,708 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:03:37,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-32.i [2023-12-20 23:03:37,716 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3288012/b33c3b1c9dd54b5ba35c84e0f1137bc7/FLAGeb16cefc1 [2023-12-20 23:03:37,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3288012/b33c3b1c9dd54b5ba35c84e0f1137bc7 [2023-12-20 23:03:37,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:03:37,731 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:03:37,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:03:37,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:03:37,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:03:37,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac528b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37, skipping insertion in model container [2023-12-20 23:03:37,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:03:37,866 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_loopvsstraightlinecode_25-while_file-32.i[915,928] [2023-12-20 23:03:37,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:03:37,898 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:03:37,905 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_loopvsstraightlinecode_25-while_file-32.i[915,928] [2023-12-20 23:03:37,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:03:37,930 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:03:37,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37 WrapperNode [2023-12-20 23:03:37,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:03:37,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:03:37,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:03:37,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:03:37,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,965 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-12-20 23:03:37,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:03:37,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:03:37,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:03:37,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:03:37,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,985 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]. [2023-12-20 23:03:37,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:37,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:03:37,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:03:37,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:03:37,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:03:37,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (1/1) ... [2023-12-20 23:03:38,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:03:38,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:03:38,020 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) [2023-12-20 23:03:38,039 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 [2023-12-20 23:03:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:03:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:03:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:03:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:03:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:03:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:03:38,111 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:03:38,112 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:03:38,316 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:03:38,343 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:03:38,343 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:03:38,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:03:38 BoogieIcfgContainer [2023-12-20 23:03:38,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:03:38,345 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:03:38,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:03:38,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:03:38,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:03:37" (1/3) ... [2023-12-20 23:03:38,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616eecf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:03:38, skipping insertion in model container [2023-12-20 23:03:38,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:03:37" (2/3) ... [2023-12-20 23:03:38,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616eecf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:03:38, skipping insertion in model container [2023-12-20 23:03:38,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:03:38" (3/3) ... [2023-12-20 23:03:38,351 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-32.i [2023-12-20 23:03:38,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:03:38,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:03:38,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:03:38,395 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;@3ccd531c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:03:38,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:03:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 32 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-20 23:03:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-20 23:03:38,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:03:38,406 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:03:38,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:03:38,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:03:38,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1657005046, now seen corresponding path program 1 times [2023-12-20 23:03:38,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:03:38,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47686869] [2023-12-20 23:03:38,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:03:38,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:03:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:03:38,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:03:38,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47686869] [2023-12-20 23:03:38,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 23:03:38,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783690610] [2023-12-20 23:03:38,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:03:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:03:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:03:38,541 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) [2023-12-20 23:03:38,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 23:03:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:03:38,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 23:03:38,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:03:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-12-20 23:03:38,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:03:38,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783690610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:03:38,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:03:38,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:03:38,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548745399] [2023-12-20 23:03:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:03:38,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:03:38,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:03:38,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:03:38,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:03:38,717 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 32 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-20 23:03:38,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:03:38,753 INFO L93 Difference]: Finished difference Result 97 states and 166 transitions. [2023-12-20 23:03:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:03:38,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2023-12-20 23:03:38,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:03:38,759 INFO L225 Difference]: With dead ends: 97 [2023-12-20 23:03:38,759 INFO L226 Difference]: Without dead ends: 48 [2023-12-20 23:03:38,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:03:38,764 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 23:03:38,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:03:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-12-20 23:03:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-12-20 23:03:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-20 23:03:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions. [2023-12-20 23:03:38,807 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 103 [2023-12-20 23:03:38,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:03:38,808 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 71 transitions. [2023-12-20 23:03:38,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-20 23:03:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2023-12-20 23:03:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-20 23:03:38,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:03:38,813 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:03:38,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 23:03:39,018 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 [2023-12-20 23:03:39,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:03:39,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:03:39,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2087371766, now seen corresponding path program 1 times [2023-12-20 23:03:39,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:03:39,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293553847] [2023-12-20 23:03:39,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:03:39,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:03:39,075 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:03:39,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027241234] [2023-12-20 23:03:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:03:39,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:03:39,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:03:39,084 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) [2023-12-20 23:03:39,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 23:03:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:03:39,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-20 23:03:39,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:03:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-20 23:03:39,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:03:39,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:03:39,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293553847] [2023-12-20 23:03:39,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:03:39,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027241234] [2023-12-20 23:03:39,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027241234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:03:39,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:03:39,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 23:03:39,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595156769] [2023-12-20 23:03:39,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:03:39,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 23:03:39,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:03:39,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 23:03:39,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 23:03:39,349 INFO L87 Difference]: Start difference. First operand 48 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-20 23:03:39,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:03:39,449 INFO L93 Difference]: Finished difference Result 157 states and 231 transitions. [2023-12-20 23:03:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 23:03:39,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2023-12-20 23:03:39,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:03:39,451 INFO L225 Difference]: With dead ends: 157 [2023-12-20 23:03:39,451 INFO L226 Difference]: Without dead ends: 110 [2023-12-20 23:03:39,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 23:03:39,453 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 60 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 23:03:39,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 209 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 23:03:39,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-20 23:03:39,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 93. [2023-12-20 23:03:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 58 states have (on average 1.293103448275862) internal successors, (75), 58 states have internal predecessors, (75), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-20 23:03:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 139 transitions. [2023-12-20 23:03:39,468 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 139 transitions. Word has length 103 [2023-12-20 23:03:39,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:03:39,469 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 139 transitions. [2023-12-20 23:03:39,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-20 23:03:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2023-12-20 23:03:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-20 23:03:39,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:03:39,470 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:03:39,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 23:03:39,675 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 [2023-12-20 23:03:39,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:03:39,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:03:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1500565752, now seen corresponding path program 1 times [2023-12-20 23:03:39,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:03:39,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264592470] [2023-12-20 23:03:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:03:39,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:03:39,709 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:03:39,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532540036] [2023-12-20 23:03:39,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:03:39,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:03:39,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:03:39,719 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) [2023-12-20 23:03:39,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 23:03:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:03:39,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 23:03:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:03:39,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 23:03:39,908 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 23:03:39,908 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:03:39,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 23:03:40,115 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 [2023-12-20 23:03:40,120 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-20 23:03:40,122 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:03:40,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:03:40 BoogieIcfgContainer [2023-12-20 23:03:40,187 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:03:40,187 INFO L158 Benchmark]: Toolchain (without parser) took 2456.76ms. Allocated memory is still 314.6MB. Free memory was 269.2MB in the beginning and 189.8MB in the end (delta: 79.3MB). Peak memory consumption was 80.3MB. Max. memory is 8.0GB. [2023-12-20 23:03:40,188 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 244.3MB. Free memory is still 194.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:03:40,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.49ms. Allocated memory is still 314.6MB. Free memory was 269.1MB in the beginning and 256.0MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-20 23:03:40,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.13ms. Allocated memory is still 314.6MB. Free memory was 255.6MB in the beginning and 252.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 23:03:40,189 INFO L158 Benchmark]: Boogie Preprocessor took 30.76ms. Allocated memory is still 314.6MB. Free memory was 252.4MB in the beginning and 248.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-20 23:03:40,189 INFO L158 Benchmark]: RCFGBuilder took 345.85ms. Allocated memory is still 314.6MB. Free memory was 248.2MB in the beginning and 228.8MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-20 23:03:40,189 INFO L158 Benchmark]: TraceAbstraction took 1842.32ms. Allocated memory is still 314.6MB. Free memory was 228.3MB in the beginning and 189.8MB in the end (delta: 38.5MB). Peak memory consumption was 39.4MB. Max. memory is 8.0GB. [2023-12-20 23:03:40,191 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 244.3MB. Free memory is still 194.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 198.49ms. Allocated memory is still 314.6MB. Free memory was 269.1MB in the beginning and 256.0MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.13ms. Allocated memory is still 314.6MB. Free memory was 255.6MB in the beginning and 252.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.76ms. Allocated memory is still 314.6MB. Free memory was 252.4MB in the beginning and 248.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 345.85ms. Allocated memory is still 314.6MB. Free memory was 248.2MB in the beginning and 228.8MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1842.32ms. Allocated memory is still 314.6MB. Free memory was 228.3MB in the beginning and 189.8MB in the end (delta: 38.5MB). Peak memory consumption was 39.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 bitwise operation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_3 = 128; [L24] unsigned short int var_1_4 = 4; [L25] unsigned short int var_1_5 = 0; [L26] signed short int var_1_6 = 0; [L27] unsigned char var_1_7 = 1; [L28] signed short int var_1_8 = -2; [L29] signed short int var_1_9 = 500; [L30] unsigned long int var_1_10 = 10; [L31] unsigned char var_1_11 = 2; [L32] unsigned char var_1_12 = 64; [L33] unsigned long int var_1_13 = 1; [L34] unsigned long int last_1_var_1_10 = 10; [L35] unsigned long int last_1_var_1_13 = 1; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L87] last_1_var_1_13 = var_1_13 [L97] RET updateLastVariables() [L98] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L62] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L62] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L63] var_1_4 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L64] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L65] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L65] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L66] var_1_5 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L68] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L68] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L69] var_1_7 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_8=-2, var_1_9=500] [L70] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_8=-2, var_1_9=500] [L71] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L71] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=500] [L73] RET assume_abort_if_not(var_1_8 >= -16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=500] [L74] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=500] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=500] [L74] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=500] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L76] RET assume_abort_if_not(var_1_9 >= -16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L79] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L80] CALL assume_abort_if_not(var_1_11 <= 128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L80] RET assume_abort_if_not(var_1_11 <= 128) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L82] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L83] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L83] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L98] RET updateVariables() [L99] CALL step() [L39] COND FALSE !(last_1_var_1_13 >= -50) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L42] EXPR var_1_11 & var_1_12 [L42] signed long int stepLocal_0 = var_1_11 & var_1_12; [L43] COND TRUE \read(var_1_7) [L44] var_1_13 = ((((var_1_11) > (var_1_1)) ? (var_1_11) : (var_1_1))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, stepLocal_0=2147483647, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L50] COND TRUE \read(var_1_7) [L51] var_1_6 = (var_1_8 + var_1_9) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, stepLocal_0=2147483647, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=7, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L53] EXPR var_1_8 << var_1_5 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, stepLocal_0=2147483647, var_1_10=10, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=7, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L53] COND TRUE (var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5)) [L54] var_1_10 = ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, stepLocal_0=2147483647, var_1_10=2, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=7, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR (((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11))) [L90] EXPR var_1_8 << var_1_5 [L90] EXPR (((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=2, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=7, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L90] EXPR ((((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11)))) && (var_1_7 ? (var_1_13 == ((unsigned long int) ((((var_1_11) > (var_1_1)) ? (var_1_11) : (var_1_1))))) : (((var_1_11 & var_1_12) != var_1_1) ? (var_1_13 == ((unsigned long int) var_1_12)) : 1)) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=2, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=7, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L90-L91] return ((((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11)))) && (var_1_7 ? (var_1_13 == ((unsigned long int) ((((var_1_11) > (var_1_1)) ? (var_1_11) : (var_1_1))))) : (((var_1_11 & var_1_12) != var_1_1) ? (var_1_13 == ((unsigned long int) var_1_12)) : 1)) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=2, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=7, var_1_7=1, var_1_8=16383, var_1_9=-16376] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=2, var_1_11=1, var_1_12=2, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=7, var_1_7=1, var_1_8=16383, var_1_9=-16376] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 277 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 149 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 1 NumberOfNonLiveVariables, 494 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 960/960 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 [2023-12-20 23:03:40,217 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...