/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-63.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 14:51:22,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 14:51:22,898 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 14:51:22,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 14:51:22,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 14:51:22,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 14:51:22,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 14:51:22,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 14:51:22,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 14:51:22,926 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 14:51:22,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 14:51:22,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 14:51:22,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 14:51:22,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 14:51:22,928 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 14:51:22,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 14:51:22,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 14:51:22,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 14:51:22,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 14:51:22,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 14:51:22,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 14:51:22,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 14:51:22,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 14:51:22,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 14:51:22,930 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 14:51:22,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 14:51:22,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 14:51:22,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 14:51:22,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 14:51:22,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:51:22,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 14:51:22,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 14:51:22,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 14:51:22,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 14:51:22,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 14:51:22,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 14:51:22,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 14:51:23,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 14:51:23,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 14:51:23,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 14:51:23,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 14:51:23,146 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 14:51:23,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-63.i [2023-12-19 14:51:24,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 14:51:24,442 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 14:51:24,443 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-63.i [2023-12-19 14:51:24,449 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f623aa116/f19ba64f3607480daad72ac814fb880d/FLAG2ee748b1b [2023-12-19 14:51:24,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f623aa116/f19ba64f3607480daad72ac814fb880d [2023-12-19 14:51:24,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 14:51:24,464 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 14:51:24,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 14:51:24,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 14:51:24,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 14:51:24,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a03133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24, skipping insertion in model container [2023-12-19 14:51:24,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 14:51:24,604 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-63.i[913,926] [2023-12-19 14:51:24,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:51:24,652 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 14:51:24,660 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-63.i[913,926] [2023-12-19 14:51:24,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:51:24,686 INFO L206 MainTranslator]: Completed translation [2023-12-19 14:51:24,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24 WrapperNode [2023-12-19 14:51:24,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 14:51:24,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 14:51:24,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 14:51:24,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 14:51:24,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,715 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-12-19 14:51:24,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 14:51:24,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 14:51:24,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 14:51:24,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 14:51:24,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,733 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 14:51:24,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 14:51:24,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 14:51:24,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 14:51:24,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 14:51:24,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (1/1) ... [2023-12-19 14:51:24,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:51:24,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:51:24,802 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 14:51:24,818 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 14:51:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 14:51:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 14:51:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 14:51:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 14:51:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 14:51:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 14:51:24,886 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 14:51:24,887 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 14:51:25,032 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 14:51:25,073 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 14:51:25,073 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 14:51:25,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:51:25 BoogieIcfgContainer [2023-12-19 14:51:25,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 14:51:25,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 14:51:25,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 14:51:25,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 14:51:25,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 02:51:24" (1/3) ... [2023-12-19 14:51:25,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a24fbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:51:25, skipping insertion in model container [2023-12-19 14:51:25,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:51:24" (2/3) ... [2023-12-19 14:51:25,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a24fbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:51:25, skipping insertion in model container [2023-12-19 14:51:25,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:51:25" (3/3) ... [2023-12-19 14:51:25,089 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-63.i [2023-12-19 14:51:25,101 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 14:51:25,101 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 14:51:25,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 14:51:25,138 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;@5087e9a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 14:51:25,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 14:51:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 25 states have (on average 1.32) 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 14:51:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-19 14:51:25,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:51:25,151 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] [2023-12-19 14:51:25,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:51:25,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:51:25,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1128104834, now seen corresponding path program 1 times [2023-12-19 14:51:25,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:51:25,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137847078] [2023-12-19 14:51:25,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:51:25,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:51:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 14:51:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 14:51:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 14:51:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 14:51:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 14:51:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-19 14:51:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-19 14:51:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 14:51:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-19 14:51:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 14:51:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 14:51:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 14:51:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 14:51:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 14:51:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 14:51:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 14:51:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 14:51:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 14:51:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:25,392 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 14:51:25,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:51:25,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137847078] [2023-12-19 14:51:25,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137847078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:51:25,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:51:25,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 14:51:25,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984515907] [2023-12-19 14:51:25,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:51:25,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 14:51:25,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:51:25,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 14:51:25,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 14:51:25,420 INFO L87 Difference]: Start difference. First operand has 46 states, 25 states have (on average 1.32) 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) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 14:51:25,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:51:25,457 INFO L93 Difference]: Finished difference Result 89 states and 154 transitions. [2023-12-19 14:51:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 14:51:25,460 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 110 [2023-12-19 14:51:25,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:51:25,464 INFO L225 Difference]: With dead ends: 89 [2023-12-19 14:51:25,464 INFO L226 Difference]: Without dead ends: 44 [2023-12-19 14:51:25,469 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 14:51:25,472 INFO L413 NwaCegarLoop]: 61 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, 61 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 14:51:25,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:51:25,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-12-19 14:51:25,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-12-19 14:51:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 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 14:51:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2023-12-19 14:51:25,511 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 110 [2023-12-19 14:51:25,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:51:25,512 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2023-12-19 14:51:25,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 14:51:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-12-19 14:51:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-19 14:51:25,524 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:51:25,524 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] [2023-12-19 14:51:25,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 14:51:25,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:51:25,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:51:25,526 INFO L85 PathProgramCache]: Analyzing trace with hash -314708994, now seen corresponding path program 1 times [2023-12-19 14:51:25,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:51:25,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502641934] [2023-12-19 14:51:25,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:51:25,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:51:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 14:51:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 14:51:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 14:51:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 14:51:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-19 14:51:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-19 14:51:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-19 14:51:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-19 14:51:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-19 14:51:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-19 14:51:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-19 14:51:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-19 14:51:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-19 14:51:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-19 14:51:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-19 14:51:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 14:51:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 14:51:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-19 14:51:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:51:26,136 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 14:51:26,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:51:26,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502641934] [2023-12-19 14:51:26,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502641934] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:51:26,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:51:26,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 14:51:26,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679347095] [2023-12-19 14:51:26,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:51:26,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 14:51:26,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:51:26,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 14:51:26,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 14:51:26,146 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 14:51:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:51:26,322 INFO L93 Difference]: Finished difference Result 91 states and 130 transitions. [2023-12-19 14:51:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 14:51:26,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2023-12-19 14:51:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:51:26,325 INFO L225 Difference]: With dead ends: 91 [2023-12-19 14:51:26,326 INFO L226 Difference]: Without dead ends: 48 [2023-12-19 14:51:26,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-19 14:51:26,329 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 83 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 14:51:26,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 86 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 14:51:26,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-12-19 14:51:26,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-12-19 14:51:26,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 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 14:51:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 66 transitions. [2023-12-19 14:51:26,357 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 66 transitions. Word has length 110 [2023-12-19 14:51:26,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:51:26,359 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 66 transitions. [2023-12-19 14:51:26,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-19 14:51:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-12-19 14:51:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-19 14:51:26,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:51:26,361 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] [2023-12-19 14:51:26,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 14:51:26,361 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:51:26,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:51:26,361 INFO L85 PathProgramCache]: Analyzing trace with hash -312861952, now seen corresponding path program 1 times [2023-12-19 14:51:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:51:26,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756765972] [2023-12-19 14:51:26,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:51:26,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:51:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:51:26,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 14:51:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:51:26,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 14:51:26,523 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 14:51:26,524 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 14:51:26,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 14:51:26,527 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-19 14:51:26,530 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 14:51:26,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 02:51:26 BoogieIcfgContainer [2023-12-19 14:51:26,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 14:51:26,604 INFO L158 Benchmark]: Toolchain (without parser) took 2139.57ms. Allocated memory is still 380.6MB. Free memory was 325.7MB in the beginning and 268.1MB in the end (delta: 57.6MB). Peak memory consumption was 58.6MB. Max. memory is 8.0GB. [2023-12-19 14:51:26,604 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 14:51:26,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.52ms. Allocated memory is still 380.6MB. Free memory was 325.7MB in the beginning and 312.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-19 14:51:26,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.91ms. Allocated memory is still 380.6MB. Free memory was 312.6MB in the beginning and 310.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 14:51:26,608 INFO L158 Benchmark]: Boogie Preprocessor took 27.05ms. Allocated memory is still 380.6MB. Free memory was 310.5MB in the beginning and 307.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 14:51:26,608 INFO L158 Benchmark]: RCFGBuilder took 330.01ms. Allocated memory is still 380.6MB. Free memory was 307.9MB in the beginning and 288.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-19 14:51:26,608 INFO L158 Benchmark]: TraceAbstraction took 1528.45ms. Allocated memory is still 380.6MB. Free memory was 288.0MB in the beginning and 268.1MB in the end (delta: 19.8MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2023-12-19 14:51:26,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 219.52ms. Allocated memory is still 380.6MB. Free memory was 325.7MB in the beginning and 312.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.91ms. Allocated memory is still 380.6MB. Free memory was 312.6MB in the beginning and 310.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.05ms. Allocated memory is still 380.6MB. Free memory was 310.5MB in the beginning and 307.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 330.01ms. Allocated memory is still 380.6MB. Free memory was 307.9MB in the beginning and 288.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1528.45ms. Allocated memory is still 380.6MB. Free memory was 288.0MB in the beginning and 268.1MB in the end (delta: 19.8MB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 8.3; [L24] float var_1_3 = 2.25; [L25] float var_1_4 = 10.3; [L26] unsigned char var_1_6 = 0; [L27] signed long int var_1_7 = 128; [L28] float var_1_8 = 9.8; [L29] unsigned long int var_1_13 = 1; [L30] unsigned long int var_1_14 = 32; [L31] signed char var_1_15 = -10; [L32] signed char var_1_16 = 16; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = 1; [L35] signed char var_1_19 = 0; [L36] signed char var_1_20 = 32; [L37] signed short int var_1_21 = 256; [L38] signed char var_1_22 = 16; [L39] unsigned char var_1_23 = 0; [L40] signed short int last_1_var_1_21 = 256; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L93] last_1_var_1_21 = var_1_21 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L63] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_3=9/4, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L64] var_1_3 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L65] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_4=103/10, var_1_6=0, var_1_7=128, var_1_8=49/5] [L66] var_1_4 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L67] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L68] var_1_6 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L69] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_7=128, var_1_8=49/5] [L70] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L70] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128, var_1_8=49/5] [L71] var_1_8 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L72] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=32, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L73] var_1_14 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L74] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L75] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L75] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=16, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L76] var_1_16 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L77] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L78] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L78] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=25, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L79] var_1_17 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_17 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L80] RET assume_abort_if_not(var_1_17 >= -1) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L81] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L81] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L82] var_1_18 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L83] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L84] CALL assume_abort_if_not(var_1_18 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L84] RET assume_abort_if_not(var_1_18 <= 31) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=0, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L85] var_1_19 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L87] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L87] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=32, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L88] var_1_20 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L89] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L90] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L90] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=1, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=16, var_1_23=0, var_1_6=0, var_1_7=128] [L104] RET updateVariables() [L105] CALL step() [L44] var_1_13 = var_1_14 [L45] var_1_21 = last_1_var_1_21 [L46] var_1_22 = var_1_16 [L47] var_1_23 = var_1_6 VAL [isInitial=1, last_1_var_1_21=256, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=63, var_1_23=0, var_1_6=0, var_1_7=128] [L48] COND TRUE ((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4) [L49] var_1_1 = (var_1_23 && var_1_6) VAL [isInitial=1, last_1_var_1_21=256, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=63, var_1_23=0, var_1_6=0, var_1_7=128] [L51] signed char stepLocal_0 = var_1_22; VAL [isInitial=1, last_1_var_1_21=256, stepLocal_0=63, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=63, var_1_23=0, var_1_6=0, var_1_7=128] [L52] COND FALSE !(stepLocal_0 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) VAL [isInitial=1, last_1_var_1_21=256, stepLocal_0=63, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=63, var_1_23=0, var_1_6=0, var_1_7=128] [L55] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8) [L56] var_1_7 = (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) VAL [isInitial=1, last_1_var_1_21=256, stepLocal_0=63, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=63, var_1_23=0, var_1_6=0, var_1_7=53] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_23 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) (((((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) > (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((((((var_1_22 + var_1_15)) > (var_1_15)) ? ((var_1_22 + var_1_15)) : (var_1_15)))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : (var_1_7 == ((signed long int) var_1_22)))) && (var_1_13 == ((unsigned long int) var_1_14))) && ((var_1_22 != ((((var_1_22) < (var_1_21)) ? (var_1_22) : (var_1_21)))) ? (var_1_15 == ((signed char) ((((((10 + var_1_16)) < (var_1_17)) ? ((10 + var_1_16)) : (var_1_17))) - ((32 - var_1_18) + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20))))))) : 1)) && (var_1_21 == ((signed short int) last_1_var_1_21))) && (var_1_22 == ((signed char) var_1_16))) && (var_1_23 == ((unsigned char) var_1_6)) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=256, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=63, var_1_23=0, var_1_6=0, var_1_7=53] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=256, var_1_13=4294967294, var_1_14=4294967294, var_1_15=-10, var_1_16=63, var_1_17=126, var_1_18=21, var_1_19=63, var_1_1=0, var_1_20=0, var_1_21=256, var_1_22=63, var_1_23=0, var_1_6=0, var_1_7=53] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 117 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=2, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1224/1224 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 14:51:26,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...