/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-41.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 23:05:25,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 23:05:26,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 23:05:26,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 23:05:26,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 23:05:26,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 23:05:26,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 23:05:26,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 23:05:26,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 23:05:26,067 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 23:05:26,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 23:05:26,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 23:05:26,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 23:05:26,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 23:05:26,070 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 23:05:26,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 23:05:26,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 23:05:26,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 23:05:26,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 23:05:26,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 23:05:26,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 23:05:26,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 23:05:26,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 23:05:26,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 23:05:26,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 23:05:26,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 23:05:26,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 23:05:26,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 23:05:26,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 23:05:26,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 23:05:26,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 23:05:26,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 23:05:26,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:05:26,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 23:05:26,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 23:05:26,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 23:05:26,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 23:05:26,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 23:05:26,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 23:05:26,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 23:05:26,076 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 23:05:26,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 23:05:26,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 23:05:26,077 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 23:05:26,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 23:05:26,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 23:05:26,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 23:05:26,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 23:05:26,331 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 23:05:26,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-41.i [2023-12-20 23:05:27,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 23:05:27,605 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 23:05:27,605 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-41.i [2023-12-20 23:05:27,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fa19524/8207efbcb988432e955376c92f579312/FLAG7baf7eeee [2023-12-20 23:05:27,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fa19524/8207efbcb988432e955376c92f579312 [2023-12-20 23:05:27,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 23:05:27,624 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 23:05:27,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 23:05:27,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 23:05:27,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 23:05:27,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5cd939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27, skipping insertion in model container [2023-12-20 23:05:27,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 23:05:27,758 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-41.i[915,928] [2023-12-20 23:05:27,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:05:27,810 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 23:05:27,819 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-41.i[915,928] [2023-12-20 23:05:27,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 23:05:27,845 INFO L206 MainTranslator]: Completed translation [2023-12-20 23:05:27,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27 WrapperNode [2023-12-20 23:05:27,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 23:05:27,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 23:05:27,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 23:05:27,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 23:05:27,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,883 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-12-20 23:05:27,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 23:05:27,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 23:05:27,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 23:05:27,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 23:05:27,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,914 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-20 23:05:27,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 23:05:27,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 23:05:27,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 23:05:27,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 23:05:27,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (1/1) ... [2023-12-20 23:05:27,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 23:05:27,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:05:27,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-20 23:05:27,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-20 23:05:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 23:05:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-20 23:05:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-20 23:05:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 23:05:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 23:05:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 23:05:28,039 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 23:05:28,041 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 23:05:28,206 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 23:05:28,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 23:05:28,243 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 23:05:28,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:05:28 BoogieIcfgContainer [2023-12-20 23:05:28,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 23:05:28,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 23:05:28,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 23:05:28,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 23:05:28,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:05:27" (1/3) ... [2023-12-20 23:05:28,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fd9bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:05:28, skipping insertion in model container [2023-12-20 23:05:28,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:05:27" (2/3) ... [2023-12-20 23:05:28,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fd9bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:05:28, skipping insertion in model container [2023-12-20 23:05:28,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:05:28" (3/3) ... [2023-12-20 23:05:28,250 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-41.i [2023-12-20 23:05:28,264 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 23:05:28,264 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 23:05:28,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 23:05:28,304 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;@7ecd864f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 23:05:28,305 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 23:05:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-20 23:05:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-20 23:05:28,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:05:28,318 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:05:28,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:05:28,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:05:28,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1582176197, now seen corresponding path program 1 times [2023-12-20 23:05:28,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:05:28,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584579812] [2023-12-20 23:05:28,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:05:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:05:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:05:28,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:05:28,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584579812] [2023-12-20 23:05:28,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-20 23:05:28,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667477445] [2023-12-20 23:05:28,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:05:28,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:05:28,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:05:28,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:05:28,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 23:05:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:05:28,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-20 23:05:28,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:05:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-12-20 23:05:28,670 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 23:05:28,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667477445] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 23:05:28,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 23:05:28,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 23:05:28,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385235813] [2023-12-20 23:05:28,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:05:28,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 23:05:28,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:05:28,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 23:05:28,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:05:28,700 INFO L87 Difference]: Start difference. First operand has 45 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-20 23:05:28,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:05:28,740 INFO L93 Difference]: Finished difference Result 86 states and 150 transitions. [2023-12-20 23:05:28,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 23:05:28,742 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2023-12-20 23:05:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:05:28,750 INFO L225 Difference]: With dead ends: 86 [2023-12-20 23:05:28,750 INFO L226 Difference]: Without dead ends: 42 [2023-12-20 23:05:28,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 23:05:28,757 INFO L413 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 23:05:28,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 23:05:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-20 23:05:28,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-20 23:05:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-20 23:05:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 61 transitions. [2023-12-20 23:05:28,798 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 61 transitions. Word has length 99 [2023-12-20 23:05:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:05:28,798 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 61 transitions. [2023-12-20 23:05:28,799 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-20 23:05:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2023-12-20 23:05:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-20 23:05:28,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:05:28,805 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:05:28,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 23:05:29,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-20 23:05:29,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:05:29,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:05:29,012 INFO L85 PathProgramCache]: Analyzing trace with hash 509933509, now seen corresponding path program 1 times [2023-12-20 23:05:29,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:05:29,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540658508] [2023-12-20 23:05:29,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:05:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:05:29,069 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:05:29,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152046590] [2023-12-20 23:05:29,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:05:29,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:05:29,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:05:29,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:05:29,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 23:05:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:05:29,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-20 23:05:29,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:05:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 226 proven. 66 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-20 23:05:35,119 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:05:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-20 23:05:51,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:05:51,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540658508] [2023-12-20 23:05:51,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:05:51,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152046590] [2023-12-20 23:05:51,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152046590] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 23:05:51,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 23:05:51,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2023-12-20 23:05:51,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751305003] [2023-12-20 23:05:51,560 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 23:05:51,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-20 23:05:51,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:05:51,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-20 23:05:51,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2023-12-20 23:05:51,563 INFO L87 Difference]: Start difference. First operand 42 states and 61 transitions. Second operand has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-20 23:05:58,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:05:58,505 INFO L93 Difference]: Finished difference Result 159 states and 215 transitions. [2023-12-20 23:05:58,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-20 23:05:58,506 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 99 [2023-12-20 23:05:58,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:05:58,508 INFO L225 Difference]: With dead ends: 159 [2023-12-20 23:05:58,508 INFO L226 Difference]: Without dead ends: 118 [2023-12-20 23:05:58,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2023-12-20 23:05:58,511 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 111 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-20 23:05:58,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 269 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-20 23:05:58,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-20 23:05:58,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 85. [2023-12-20 23:05:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 56 states have internal predecessors, (63), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:05:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2023-12-20 23:05:58,527 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 99 [2023-12-20 23:05:58,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:05:58,528 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2023-12-20 23:05:58,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-20 23:05:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2023-12-20 23:05:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-20 23:05:58,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:05:58,530 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:05:58,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 23:05:58,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-20 23:05:58,737 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:05:58,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:05:58,739 INFO L85 PathProgramCache]: Analyzing trace with hash -2010026425, now seen corresponding path program 1 times [2023-12-20 23:05:58,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:05:58,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607117667] [2023-12-20 23:05:58,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:05:58,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:05:58,773 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:05:58,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128704697] [2023-12-20 23:05:58,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:05:58,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:05:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:05:58,778 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:05:58,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 23:05:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 23:05:58,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-20 23:05:58,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 23:06:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-20 23:06:02,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 23:06:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-12-20 23:06:25,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 23:06:25,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607117667] [2023-12-20 23:06:25,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-20 23:06:25,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128704697] [2023-12-20 23:06:25,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128704697] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-20 23:06:25,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 23:06:25,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-12-20 23:06:25,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069871319] [2023-12-20 23:06:25,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 23:06:25,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 23:06:25,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 23:06:25,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 23:06:25,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-12-20 23:06:25,166 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-20 23:06:28,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-12-20 23:06:29,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-12-20 23:06:35,422 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-20 23:06:35,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 23:06:35,873 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2023-12-20 23:06:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 23:06:35,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99 [2023-12-20 23:06:35,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 23:06:35,876 INFO L225 Difference]: With dead ends: 107 [2023-12-20 23:06:35,877 INFO L226 Difference]: Without dead ends: 105 [2023-12-20 23:06:35,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2023-12-20 23:06:35,878 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 65 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-20 23:06:35,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 329 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-20 23:06:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-20 23:06:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 81. [2023-12-20 23:06:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 50 states have (on average 1.16) internal successors, (58), 52 states have internal predecessors, (58), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-20 23:06:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2023-12-20 23:06:35,894 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 99 [2023-12-20 23:06:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 23:06:35,895 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2023-12-20 23:06:35,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-20 23:06:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-12-20 23:06:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-20 23:06:35,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 23:06:35,897 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 23:06:35,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 23:06:36,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:06:36,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 23:06:36,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 23:06:36,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1189991879, now seen corresponding path program 1 times [2023-12-20 23:06:36,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 23:06:36,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994775450] [2023-12-20 23:06:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:06:36,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 23:06:36,149 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-20 23:06:36,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684588081] [2023-12-20 23:06:36,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 23:06:36,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:06:36,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 23:06:36,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 23:06:36,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 23:06:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:06:36,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-20 23:06:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-20 23:06:36,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-20 23:06:36,553 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-20 23:06:36,554 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 23:06:36,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 23:06:36,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 23:06:36,766 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-20 23:06:36,769 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 23:06:36,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:06:36 BoogieIcfgContainer [2023-12-20 23:06:36,837 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 23:06:36,838 INFO L158 Benchmark]: Toolchain (without parser) took 69213.77ms. Allocated memory was 203.4MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 160.0MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-12-20 23:06:36,838 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 203.4MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 23:06:36,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 203.4MB. Free memory was 159.9MB in the beginning and 147.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-20 23:06:36,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.36ms. Allocated memory is still 203.4MB. Free memory was 147.5MB in the beginning and 145.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 23:06:36,839 INFO L158 Benchmark]: Boogie Preprocessor took 42.81ms. Allocated memory is still 203.4MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 23:06:36,839 INFO L158 Benchmark]: RCFGBuilder took 315.75ms. Allocated memory is still 203.4MB. Free memory was 143.3MB in the beginning and 126.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-20 23:06:36,840 INFO L158 Benchmark]: TraceAbstraction took 68592.25ms. Allocated memory was 203.4MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 125.9MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-12-20 23:06:36,841 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 203.4MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.91ms. Allocated memory is still 203.4MB. Free memory was 159.9MB in the beginning and 147.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.36ms. Allocated memory is still 203.4MB. Free memory was 147.5MB in the beginning and 145.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.81ms. Allocated memory is still 203.4MB. Free memory was 145.4MB in the beginning and 143.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 315.75ms. Allocated memory is still 203.4MB. Free memory was 143.3MB in the beginning and 126.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 68592.25ms. Allocated memory was 203.4MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 125.9MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwise operation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = -2; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 0; [L28] unsigned long int var_1_10 = 128; [L29] unsigned long int var_1_11 = 25; [L30] unsigned long int var_1_12 = 1879943783; [L31] unsigned long int var_1_13 = 128; [L32] unsigned long int var_1_14 = 2555856598; [L33] unsigned long int var_1_15 = 10; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L63] var_1_5 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_6=-8, var_1_7=-2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_6=-8, var_1_7=-2, var_1_8=1, var_1_9=0] [L64] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_6=-8, var_1_7=-2, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=-2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=-2, var_1_8=1, var_1_9=0] [L65] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=-2, var_1_8=1, var_1_9=0] [L66] var_1_6 = __VERIFIER_nondet_char() [L67] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-2, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-2, var_1_8=1, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-2, var_1_8=1, var_1_9=0] [L68] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-2, var_1_8=1, var_1_9=0] [L69] var_1_7 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L71] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L72] var_1_9 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1] [L73] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1] [L74] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L74] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=128, var_1_11=25, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L75] var_1_11 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=128, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L77] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=1879943783, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L78] var_1_12 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L80] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=128, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L81] var_1_13 = __VERIFIER_nondet_ulong() [L82] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L82] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L83] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2555856598, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L84] var_1_14 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L85] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_14 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L86] RET assume_abort_if_not(var_1_14 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L99] RET updateVariables() [L100] CALL step() [L37] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L40] unsigned char stepLocal_1 = var_1_9; VAL [isInitial=1, stepLocal_1=0, var_1_10=128, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L41] COND TRUE (-2 != var_1_7) || stepLocal_1 [L42] var_1_10 = (var_1_11 + (var_1_12 - var_1_13)) VAL [isInitial=1, stepLocal_1=0, var_1_10=2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L46] COND FALSE !(var_1_10 < var_1_10) VAL [isInitial=1, stepLocal_1=0, var_1_10=2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-16, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L51] unsigned long int stepLocal_0 = (var_1_10 & 0u) * var_1_10; [L52] COND FALSE !(stepLocal_0 > var_1_10) [L59] var_1_1 = var_1_7 VAL [isInitial=1, stepLocal_0=2, stepLocal_1=0, var_1_10=2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-126, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((((var_1_10 & 0u) * var_1_10) > var_1_10) ? (var_1_8 ? (var_1_1 == ((signed char) var_1_6)) : (var_1_1 == ((signed char) var_1_7))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_5 ? (var_1_8 == ((unsigned char) (! (! var_1_9)))) : 1)) && (((-2 != var_1_7) || var_1_9) ? (var_1_10 == ((unsigned long int) (var_1_11 + (var_1_12 - var_1_13)))) : (var_1_10 == ((unsigned long int) (var_1_14 - var_1_13))))) && ((var_1_10 < var_1_10) ? ((var_1_12 == (var_1_14 - var_1_13)) ? (var_1_15 == ((unsigned long int) var_1_12)) : 1) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-126, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483647, var_1_15=10, var_1_1=-126, var_1_5=0, var_1_6=-127, var_1_7=-126, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.5s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 656 SdHoareTripleChecker+Invalid, 10.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 467 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 734 IncrementalHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 189 mSDtfsCounter, 734 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 513 GetRequests, 463 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=2, InterpolantAutomatonStates: 39, 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, 3 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 48.6s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 490 ConstructedInterpolants, 8 QuantifiedInterpolants, 2706 SizeOfPredicates, 48 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2265/2400 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-20 23:06:36,877 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...