/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_variablewrapping_normal_file-35.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 14:48:05,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 14:48:05,314 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 14:48:05,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 14:48:05,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 14:48:05,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 14:48:05,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 14:48:05,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 14:48:05,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 14:48:05,333 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 14:48:05,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 14:48:05,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 14:48:05,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 14:48:05,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 14:48:05,334 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 14:48:05,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 14:48:05,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 14:48:05,335 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 14:48:05,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 14:48:05,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 14:48:05,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 14:48:05,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 14:48:05,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 14:48:05,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 14:48:05,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 14:48:05,340 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 14:48:05,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 14:48:05,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 14:48:05,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 14:48:05,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 14:48:05,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 14:48:05,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 14:48:05,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:48:05,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 14:48:05,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 14:48:05,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 14:48:05,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 14:48:05,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 14:48:05,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 14:48:05,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 14:48:05,344 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 14:48:05,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 14:48:05,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 14:48:05,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 14:48:05,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 14:48:05,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 14:48:05,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 14:48:05,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 14:48:05,581 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 14:48:05,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-35.i [2023-12-19 14:48:06,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 14:48:06,893 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 14:48:06,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-35.i [2023-12-19 14:48:06,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ec60346/29c3b65368034027bbf3e332099b896c/FLAG18e6c1df8 [2023-12-19 14:48:06,917 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ec60346/29c3b65368034027bbf3e332099b896c [2023-12-19 14:48:06,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 14:48:06,921 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 14:48:06,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 14:48:06,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 14:48:06,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 14:48:06,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:48:06" (1/1) ... [2023-12-19 14:48:06,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690fb0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:06, skipping insertion in model container [2023-12-19 14:48:06,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:48:06" (1/1) ... [2023-12-19 14:48:06,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 14:48:07,092 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-35.i[913,926] [2023-12-19 14:48:07,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:48:07,142 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 14:48:07,152 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-35.i[913,926] [2023-12-19 14:48:07,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:48:07,197 INFO L206 MainTranslator]: Completed translation [2023-12-19 14:48:07,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07 WrapperNode [2023-12-19 14:48:07,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 14:48:07,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 14:48:07,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 14:48:07,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 14:48:07,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,237 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2023-12-19 14:48:07,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 14:48:07,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 14:48:07,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 14:48:07,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 14:48:07,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,260 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 14:48:07,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 14:48:07,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 14:48:07,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 14:48:07,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 14:48:07,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (1/1) ... [2023-12-19 14:48:07,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:48:07,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:48:07,314 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 14:48:07,323 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 14:48:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 14:48:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 14:48:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 14:48:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 14:48:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 14:48:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 14:48:07,394 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 14:48:07,396 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 14:48:07,634 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 14:48:07,665 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 14:48:07,665 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 14:48:07,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:48:07 BoogieIcfgContainer [2023-12-19 14:48:07,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 14:48:07,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 14:48:07,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 14:48:07,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 14:48:07,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 02:48:06" (1/3) ... [2023-12-19 14:48:07,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f11973c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:48:07, skipping insertion in model container [2023-12-19 14:48:07,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:48:07" (2/3) ... [2023-12-19 14:48:07,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f11973c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:48:07, skipping insertion in model container [2023-12-19 14:48:07,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:48:07" (3/3) ... [2023-12-19 14:48:07,671 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-35.i [2023-12-19 14:48:07,682 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 14:48:07,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 14:48:07,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 14:48:07,717 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;@6fee508b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 14:48:07,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 14:48:07,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 14:48:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-19 14:48:07,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:48:07,734 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:07,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:48:07,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:48:07,737 INFO L85 PathProgramCache]: Analyzing trace with hash -628824035, now seen corresponding path program 1 times [2023-12-19 14:48:07,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:48:07,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914121114] [2023-12-19 14:48:07,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:48:07,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:48:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 14:48:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 14:48:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 14:48:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-19 14:48:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 14:48:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-19 14:48:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 14:48:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 14:48:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 14:48:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-19 14:48:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-19 14:48:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 14:48:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 14:48:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 14:48:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 14:48:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 14:48:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 14:48:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 14:48:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-19 14:48:07,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:48:07,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914121114] [2023-12-19 14:48:07,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914121114] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:48:07,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:48:07,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 14:48:07,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5045982] [2023-12-19 14:48:07,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:48:07,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 14:48:07,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:48:08,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 14:48:08,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 14:48:08,013 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 28 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 14:48:08,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:48:08,044 INFO L93 Difference]: Finished difference Result 93 states and 164 transitions. [2023-12-19 14:48:08,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 14:48:08,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2023-12-19 14:48:08,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:48:08,051 INFO L225 Difference]: With dead ends: 93 [2023-12-19 14:48:08,051 INFO L226 Difference]: Without dead ends: 46 [2023-12-19 14:48:08,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 14:48:08,056 INFO L413 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:48:08,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:48:08,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-12-19 14:48:08,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-12-19 14:48:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 14:48:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2023-12-19 14:48:08,087 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 111 [2023-12-19 14:48:08,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:48:08,087 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2023-12-19 14:48:08,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 14:48:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2023-12-19 14:48:08,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-19 14:48:08,089 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:48:08,089 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:08,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 14:48:08,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:48:08,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:48:08,090 INFO L85 PathProgramCache]: Analyzing trace with hash -855102303, now seen corresponding path program 1 times [2023-12-19 14:48:08,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:48:08,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184538830] [2023-12-19 14:48:08,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:48:08,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:48:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 14:48:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 14:48:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 14:48:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-19 14:48:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 14:48:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-19 14:48:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 14:48:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 14:48:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 14:48:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-19 14:48:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-19 14:48:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 14:48:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 14:48:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 14:48:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 14:48:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 14:48:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 14:48:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 14:48:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-19 14:48:08,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:48:08,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184538830] [2023-12-19 14:48:08,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184538830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:48:08,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:48:08,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 14:48:08,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106040442] [2023-12-19 14:48:08,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:48:08,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 14:48:08,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:48:08,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 14:48:08,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:48:08,326 INFO L87 Difference]: Start difference. First operand 46 states and 69 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 14:48:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:48:08,385 INFO L93 Difference]: Finished difference Result 134 states and 201 transitions. [2023-12-19 14:48:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 14:48:08,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 111 [2023-12-19 14:48:08,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:48:08,391 INFO L225 Difference]: With dead ends: 134 [2023-12-19 14:48:08,391 INFO L226 Difference]: Without dead ends: 89 [2023-12-19 14:48:08,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 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 14:48:08,395 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 62 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:48:08,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 125 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:48:08,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-19 14:48:08,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 47. [2023-12-19 14:48:08,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 14:48:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2023-12-19 14:48:08,413 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 111 [2023-12-19 14:48:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:48:08,414 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2023-12-19 14:48:08,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 14:48:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-12-19 14:48:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-19 14:48:08,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:48:08,415 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:08,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 14:48:08,415 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:48:08,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:48:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash -853255261, now seen corresponding path program 1 times [2023-12-19 14:48:08,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:48:08,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808817255] [2023-12-19 14:48:08,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:48:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:48:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 14:48:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 14:48:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 14:48:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-19 14:48:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 14:48:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-19 14:48:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 14:48:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 14:48:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 14:48:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-19 14:48:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-19 14:48:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 14:48:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 14:48:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 14:48:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 14:48:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 14:48:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 14:48:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 14:48:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-19 14:48:08,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:48:08,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808817255] [2023-12-19 14:48:08,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808817255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:48:08,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:48:08,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 14:48:08,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539107848] [2023-12-19 14:48:08,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:48:08,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 14:48:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:48:08,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 14:48:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:48:08,597 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 14:48:08,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:48:08,622 INFO L93 Difference]: Finished difference Result 93 states and 137 transitions. [2023-12-19 14:48:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 14:48:08,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 111 [2023-12-19 14:48:08,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:48:08,623 INFO L225 Difference]: With dead ends: 93 [2023-12-19 14:48:08,623 INFO L226 Difference]: Without dead ends: 47 [2023-12-19 14:48:08,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 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 14:48:08,624 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 11 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:48:08,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:48:08,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-12-19 14:48:08,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-12-19 14:48:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 14:48:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2023-12-19 14:48:08,629 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 111 [2023-12-19 14:48:08,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:48:08,629 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2023-12-19 14:48:08,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-19 14:48:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-12-19 14:48:08,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-19 14:48:08,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:48:08,631 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:08,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 14:48:08,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:48:08,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:48:08,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1533313631, now seen corresponding path program 1 times [2023-12-19 14:48:08,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:48:08,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427349359] [2023-12-19 14:48:08,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:48:08,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:48:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 14:48:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 14:48:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 14:48:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-19 14:48:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 14:48:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-19 14:48:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-19 14:48:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-19 14:48:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-19 14:48:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-19 14:48:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-19 14:48:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-19 14:48:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-19 14:48:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 14:48:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 14:48:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-19 14:48:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-19 14:48:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-19 14:48:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-19 14:48:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:48:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427349359] [2023-12-19 14:48:08,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427349359] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 14:48:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077096354] [2023-12-19 14:48:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:48:08,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:48:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:48:08,981 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 14:48:09,021 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 14:48:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:48:09,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-19 14:48:09,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:48:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 303 proven. 18 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-19 14:48:09,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 14:48:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-19 14:48:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077096354] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 14:48:09,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 14:48:09,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-12-19 14:48:09,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512122809] [2023-12-19 14:48:09,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 14:48:09,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 14:48:09,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:48:09,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 14:48:09,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-19 14:48:09,426 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-19 14:48:09,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:48:09,819 INFO L93 Difference]: Finished difference Result 204 states and 282 transitions. [2023-12-19 14:48:09,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-19 14:48:09,820 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), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 111 [2023-12-19 14:48:09,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:48:09,826 INFO L225 Difference]: With dead ends: 204 [2023-12-19 14:48:09,826 INFO L226 Difference]: Without dead ends: 158 [2023-12-19 14:48:09,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2023-12-19 14:48:09,832 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 150 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 14:48:09,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 194 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 14:48:09,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-19 14:48:09,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 52. [2023-12-19 14:48:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-19 14:48:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2023-12-19 14:48:09,849 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 111 [2023-12-19 14:48:09,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:48:09,851 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2023-12-19 14:48:09,851 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), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-19 14:48:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2023-12-19 14:48:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-19 14:48:09,855 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:48:09,855 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:09,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 14:48:10,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:48:10,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:48:10,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:48:10,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1476055329, now seen corresponding path program 1 times [2023-12-19 14:48:10,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:48:10,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6528067] [2023-12-19 14:48:10,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:48:10,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:48:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:48:10,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 14:48:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:48:10,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 14:48:10,144 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 14:48:10,144 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 14:48:10,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 14:48:10,147 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-19 14:48:10,150 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 14:48:10,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 02:48:10 BoogieIcfgContainer [2023-12-19 14:48:10,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 14:48:10,223 INFO L158 Benchmark]: Toolchain (without parser) took 3301.82ms. Allocated memory was 203.4MB in the beginning and 294.6MB in the end (delta: 91.2MB). Free memory was 165.8MB in the beginning and 109.6MB in the end (delta: 56.2MB). Peak memory consumption was 148.9MB. Max. memory is 8.0GB. [2023-12-19 14:48:10,223 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 14:48:10,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 203.4MB. Free memory was 165.8MB in the beginning and 152.8MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-19 14:48:10,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.40ms. Allocated memory is still 203.4MB. Free memory was 152.8MB in the beginning and 150.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 14:48:10,223 INFO L158 Benchmark]: Boogie Preprocessor took 33.27ms. Allocated memory is still 203.4MB. Free memory was 150.4MB in the beginning and 147.2MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 14:48:10,224 INFO L158 Benchmark]: RCFGBuilder took 392.58ms. Allocated memory is still 203.4MB. Free memory was 147.2MB in the beginning and 128.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-19 14:48:10,224 INFO L158 Benchmark]: TraceAbstraction took 2555.53ms. Allocated memory was 203.4MB in the beginning and 294.6MB in the end (delta: 91.2MB). Free memory was 128.0MB in the beginning and 109.6MB in the end (delta: 18.4MB). Peak memory consumption was 111.2MB. Max. memory is 8.0GB. [2023-12-19 14:48:10,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 203.4MB. Free memory was 165.8MB in the beginning and 152.8MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.40ms. Allocated memory is still 203.4MB. Free memory was 152.8MB in the beginning and 150.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.27ms. Allocated memory is still 203.4MB. Free memory was 150.4MB in the beginning and 147.2MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 392.58ms. Allocated memory is still 203.4MB. Free memory was 147.2MB in the beginning and 128.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2555.53ms. Allocated memory was 203.4MB in the beginning and 294.6MB in the end (delta: 91.2MB). Free memory was 128.0MB in the beginning and 109.6MB in the end (delta: 18.4MB). Peak memory consumption was 111.2MB. 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 someBinaryFLOATComparisonOperation at line 103, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 4.8; [L23] float var_1_4 = 255.1; [L24] float var_1_5 = -0.6; [L25] signed short int var_1_6 = -10; [L26] unsigned char var_1_8 = 1; [L27] signed char var_1_11 = -2; [L28] signed char var_1_12 = 10; [L29] signed char var_1_13 = 5; [L30] signed char var_1_14 = -1; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 0; [L33] unsigned char var_1_17 = 1; [L34] unsigned char var_1_18 = 5; [L35] unsigned char var_1_19 = 64; [L36] unsigned char var_1_20 = 5; [L37] unsigned char last_1_var_1_18 = 5; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_18 = var_1_18 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L70] var_1_4 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L71] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L72] var_1_5 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L73] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L74] var_1_8 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L76] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L76] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L77] var_1_12 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L78] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L79] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L80] var_1_13 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L81] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L82] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L83] var_1_14 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L84] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L85] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L86] var_1_16 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L87] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L88] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L89] var_1_17 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L90] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L91] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L92] var_1_19 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_19 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L93] RET assume_abort_if_not(var_1_19 >= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L94] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L94] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L95] var_1_20 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L96] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L97] CALL assume_abort_if_not(var_1_20 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L97] RET assume_abort_if_not(var_1_20 <= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L111] RET updateVariables() [L112] CALL step() [L41] signed long int stepLocal_0 = ~ last_1_var_1_18; VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L42] COND TRUE last_1_var_1_18 >= stepLocal_0 [L43] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_20=32, var_1_6=-10, var_1_8=0] [L45] unsigned char stepLocal_1 = (var_1_1 * var_1_5) >= var_1_4; VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, stepLocal_1=1, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=32, var_1_20=32, var_1_6=-10, var_1_8=0] [L46] COND TRUE var_1_17 && stepLocal_1 [L47] var_1_18 = (2 + ((var_1_19 - var_1_20) + 32)) VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, stepLocal_1=1, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=34, var_1_19=32, var_1_20=32, var_1_6=-10, var_1_8=0] [L51] COND FALSE !(\read(var_1_8)) [L54] var_1_15 = (! var_1_17) VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, stepLocal_1=1, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=34, var_1_19=32, var_1_20=32, var_1_6=-10, var_1_8=0] [L56] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, stepLocal_1=1, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=34, var_1_19=32, var_1_20=32, var_1_6=-10, var_1_8=0] [L59] COND FALSE !(\read(var_1_15)) [L66] var_1_6 = var_1_11 VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, stepLocal_1=1, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=34, var_1_19=32, var_1_20=32, var_1_6=-2, var_1_8=0] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_18 >= (~ last_1_var_1_18)) ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) && (var_1_15 ? (var_1_15 ? (var_1_6 == ((signed short int) (var_1_11 + var_1_11))) : (var_1_6 == ((signed short int) (var_1_11 + var_1_11)))) : (var_1_6 == ((signed short int) var_1_11)))) && (var_1_15 ? (var_1_11 == ((signed char) ((var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13)))) + var_1_14))) : 1)) && (var_1_8 ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) (! var_1_17))))) && ((var_1_17 && ((var_1_1 * var_1_5) >= var_1_4)) ? (var_1_18 == ((unsigned char) (2 + ((var_1_19 - var_1_20) + 32)))) : (var_1_18 == ((unsigned char) var_1_19))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=34, var_1_19=32, var_1_20=32, var_1_6=-2, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=10, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=34, var_1_19=32, var_1_20=32, var_1_6=-2, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 253 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 500 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 259 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 241 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=4, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 148 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 666 NumberOfCodeBlocks, 666 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 1140 SizeOfPredicates, 3 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 3618/3672 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 14:48:10,252 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...