./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:37:15,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:37:15,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 08:37:15,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:37:15,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:37:15,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:37:15,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:37:15,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:37:15,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:37:15,638 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:37:15,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:37:15,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:37:15,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:37:15,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:37:15,639 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:37:15,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:37:15,640 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:37:15,640 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:37:15,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:37:15,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:37:15,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:37:15,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:37:15,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:37:15,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:37:15,642 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 [2025-01-09 08:37:15,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:37:15,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:37:15,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:37:15,846 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:37:15,847 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:37:15,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2025-01-09 08:37:17,069 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08e01206f/a9ad05f5932a432b86aaff0e7cd632a6/FLAG4e1bfe547 [2025-01-09 08:37:17,366 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:37:17,367 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2025-01-09 08:37:17,380 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08e01206f/a9ad05f5932a432b86aaff0e7cd632a6/FLAG4e1bfe547 [2025-01-09 08:37:17,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08e01206f/a9ad05f5932a432b86aaff0e7cd632a6 [2025-01-09 08:37:17,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:37:17,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:37:17,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:37:17,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:37:17,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:37:17,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b65aa6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17, skipping insertion in model container [2025-01-09 08:37:17,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:37:17,533 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2025-01-09 08:37:17,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:37:17,598 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:37:17,607 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2025-01-09 08:37:17,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:37:17,654 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:37:17,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17 WrapperNode [2025-01-09 08:37:17,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:37:17,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:37:17,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:37:17,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:37:17,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,698 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2025-01-09 08:37:17,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:37:17,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:37:17,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:37:17,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:37:17,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,733 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]. [2025-01-09 08:37:17,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,738 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:37:17,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:37:17,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:37:17,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:37:17,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (1/1) ... [2025-01-09 08:37:17,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:37:17,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:37:17,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 08:37:17,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 08:37:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:37:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:37:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:37:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 08:37:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:37:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:37:17,880 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:37:17,882 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:37:18,094 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:37:18,095 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:37:18,101 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:37:18,102 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:37:18,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:37:18 BoogieIcfgContainer [2025-01-09 08:37:18,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:37:18,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:37:18,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:37:18,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:37:18,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:37:17" (1/3) ... [2025-01-09 08:37:18,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3513089c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:37:18, skipping insertion in model container [2025-01-09 08:37:18,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:17" (2/3) ... [2025-01-09 08:37:18,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3513089c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:37:18, skipping insertion in model container [2025-01-09 08:37:18,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:37:18" (3/3) ... [2025-01-09 08:37:18,109 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-11.i [2025-01-09 08:37:18,120 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:37:18,121 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-11.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:37:18,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:37:18,175 INFO L333 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, 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;@7c327565, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:37:18,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:37:18,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 08:37:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 08:37:18,188 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:18,188 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:18,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:18,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:18,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1319107322, now seen corresponding path program 1 times [2025-01-09 08:37:18,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:37:18,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340688230] [2025-01-09 08:37:18,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:18,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:37:18,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:18,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:18,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:18,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-01-09 08:37:18,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:37:18,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340688230] [2025-01-09 08:37:18,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340688230] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:37:18,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318276466] [2025-01-09 08:37:18,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:18,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:37:18,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:37:18,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 08:37:18,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 08:37:18,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:18,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:18,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:18,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:18,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:37:18,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:37:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-01-09 08:37:18,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:37:18,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318276466] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:37:18,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:37:18,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 08:37:18,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556554918] [2025-01-09 08:37:18,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:37:18,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:37:18,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:37:18,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:37:18,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:37:18,580 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 08:37:18,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:37:18,598 INFO L93 Difference]: Finished difference Result 126 states and 218 transitions. [2025-01-09 08:37:18,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:37:18,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2025-01-09 08:37:18,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:37:18,605 INFO L225 Difference]: With dead ends: 126 [2025-01-09 08:37:18,605 INFO L226 Difference]: Without dead ends: 63 [2025-01-09 08:37:18,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:37:18,610 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 08:37:18,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:37:18,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-09 08:37:18,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-09 08:37:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 08:37:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2025-01-09 08:37:18,655 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 144 [2025-01-09 08:37:18,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:37:18,655 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2025-01-09 08:37:18,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 08:37:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2025-01-09 08:37:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 08:37:18,658 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:18,658 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:18,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 08:37:18,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 08:37:18,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:18,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:18,860 INFO L85 PathProgramCache]: Analyzing trace with hash 146834188, now seen corresponding path program 1 times [2025-01-09 08:37:18,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:37:18,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339031320] [2025-01-09 08:37:18,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:18,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:37:18,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:18,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:18,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:18,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-09 08:37:19,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:37:19,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339031320] [2025-01-09 08:37:19,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339031320] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:37:19,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:37:19,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 08:37:19,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455679850] [2025-01-09 08:37:19,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:37:19,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 08:37:19,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:37:19,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 08:37:19,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:37:19,136 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 08:37:19,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:37:19,174 INFO L93 Difference]: Finished difference Result 135 states and 202 transitions. [2025-01-09 08:37:19,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 08:37:19,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2025-01-09 08:37:19,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:37:19,179 INFO L225 Difference]: With dead ends: 135 [2025-01-09 08:37:19,179 INFO L226 Difference]: Without dead ends: 75 [2025-01-09 08:37:19,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:37:19,180 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 13 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 08:37:19,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 177 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:37:19,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-01-09 08:37:19,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 67. [2025-01-09 08:37:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 08:37:19,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2025-01-09 08:37:19,196 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 144 [2025-01-09 08:37:19,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:37:19,197 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2025-01-09 08:37:19,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 08:37:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2025-01-09 08:37:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 08:37:19,199 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:19,199 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:19,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 08:37:19,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:19,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:19,201 INFO L85 PathProgramCache]: Analyzing trace with hash 148681230, now seen corresponding path program 1 times [2025-01-09 08:37:19,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:37:19,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484880695] [2025-01-09 08:37:19,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:19,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:37:19,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:19,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:19,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:19,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 08:37:19,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:37:19,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484880695] [2025-01-09 08:37:19,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484880695] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:37:19,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455959938] [2025-01-09 08:37:19,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:19,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:37:19,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:37:19,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 08:37:19,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 08:37:20,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:20,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:20,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:20,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:20,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-09 08:37:20,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:37:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 740 proven. 108 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-01-09 08:37:21,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 08:37:22,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455959938] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:37:22,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 08:37:22,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17] total 24 [2025-01-09 08:37:22,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644100741] [2025-01-09 08:37:22,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 08:37:22,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-09 08:37:22,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:37:22,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-09 08:37:22,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=1050, Unknown=0, NotChecked=0, Total=1332 [2025-01-09 08:37:22,703 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 24 states, 23 states have (on average 3.0) internal successors, (69), 21 states have internal predecessors, (69), 9 states have call successors, (42), 6 states have call predecessors, (42), 9 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2025-01-09 08:37:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:37:24,887 INFO L93 Difference]: Finished difference Result 261 states and 357 transitions. [2025-01-09 08:37:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-09 08:37:24,888 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.0) internal successors, (69), 21 states have internal predecessors, (69), 9 states have call successors, (42), 6 states have call predecessors, (42), 9 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) Word has length 144 [2025-01-09 08:37:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:37:24,890 INFO L225 Difference]: With dead ends: 261 [2025-01-09 08:37:24,890 INFO L226 Difference]: Without dead ends: 197 [2025-01-09 08:37:24,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1306 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1496, Invalid=4054, Unknown=0, NotChecked=0, Total=5550 [2025-01-09 08:37:24,892 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 334 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 08:37:24,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 590 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 08:37:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2025-01-09 08:37:24,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 187. [2025-01-09 08:37:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 120 states have (on average 1.2083333333333333) internal successors, (145), 121 states have internal predecessors, (145), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-09 08:37:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 249 transitions. [2025-01-09 08:37:24,921 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 249 transitions. Word has length 144 [2025-01-09 08:37:24,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:37:24,921 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 249 transitions. [2025-01-09 08:37:24,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.0) internal successors, (69), 21 states have internal predecessors, (69), 9 states have call successors, (42), 6 states have call predecessors, (42), 9 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2025-01-09 08:37:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 249 transitions. [2025-01-09 08:37:24,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 08:37:24,923 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:24,923 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:24,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 08:37:25,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:37:25,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:25,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:25,129 INFO L85 PathProgramCache]: Analyzing trace with hash 849745808, now seen corresponding path program 1 times [2025-01-09 08:37:25,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:37:25,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595168252] [2025-01-09 08:37:25,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:25,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:37:25,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:25,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:25,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:25,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2025-01-09 08:37:25,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:37:25,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595168252] [2025-01-09 08:37:25,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595168252] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:37:25,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958653833] [2025-01-09 08:37:25,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:25,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:37:25,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:37:25,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 08:37:25,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 08:37:25,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:25,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:25,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:25,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:25,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-09 08:37:25,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:37:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 758 proven. 108 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-01-09 08:37:27,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 08:37:27,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958653833] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:37:27,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 08:37:27,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18] total 25 [2025-01-09 08:37:27,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995395828] [2025-01-09 08:37:27,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 08:37:27,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-09 08:37:27,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:37:27,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-09 08:37:27,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=1079, Unknown=0, NotChecked=0, Total=1406 [2025-01-09 08:37:27,938 INFO L87 Difference]: Start difference. First operand 187 states and 249 transitions. Second operand has 25 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 22 states have internal predecessors, (74), 11 states have call successors, (42), 7 states have call predecessors, (42), 10 states have return successors, (42), 11 states have call predecessors, (42), 11 states have call successors, (42) [2025-01-09 08:37:29,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:37:29,782 INFO L93 Difference]: Finished difference Result 430 states and 558 transitions. [2025-01-09 08:37:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-01-09 08:37:29,785 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 22 states have internal predecessors, (74), 11 states have call successors, (42), 7 states have call predecessors, (42), 10 states have return successors, (42), 11 states have call predecessors, (42), 11 states have call successors, (42) Word has length 144 [2025-01-09 08:37:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:37:29,787 INFO L225 Difference]: With dead ends: 430 [2025-01-09 08:37:29,787 INFO L226 Difference]: Without dead ends: 256 [2025-01-09 08:37:29,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1450, Invalid=3662, Unknown=0, NotChecked=0, Total=5112 [2025-01-09 08:37:29,789 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 207 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-09 08:37:29,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 464 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-09 08:37:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-01-09 08:37:29,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 198. [2025-01-09 08:37:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 127 states have (on average 1.188976377952756) internal successors, (151), 128 states have internal predecessors, (151), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-09 08:37:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2025-01-09 08:37:29,817 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 144 [2025-01-09 08:37:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:37:29,818 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2025-01-09 08:37:29,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 22 states have internal predecessors, (74), 11 states have call successors, (42), 7 states have call predecessors, (42), 10 states have return successors, (42), 11 states have call predecessors, (42), 11 states have call successors, (42) [2025-01-09 08:37:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2025-01-09 08:37:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-01-09 08:37:29,819 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:29,819 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:29,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 08:37:30,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:37:30,020 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:30,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:30,021 INFO L85 PathProgramCache]: Analyzing trace with hash 148250174, now seen corresponding path program 1 times [2025-01-09 08:37:30,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:37:30,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505670559] [2025-01-09 08:37:30,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:30,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:37:30,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-09 08:37:30,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-09 08:37:30,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:30,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:37:30,125 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 08:37:30,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-09 08:37:30,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-09 08:37:30,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:30,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:37:30,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 08:37:30,230 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 08:37:30,230 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 08:37:30,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 08:37:30,237 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 08:37:30,325 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 08:37:30,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 08:37:30 BoogieIcfgContainer [2025-01-09 08:37:30,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 08:37:30,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 08:37:30,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 08:37:30,329 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 08:37:30,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:37:18" (3/4) ... [2025-01-09 08:37:30,331 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 08:37:30,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 08:37:30,334 INFO L158 Benchmark]: Toolchain (without parser) took 12933.18ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 132.9MB in the beginning and 154.1MB in the end (delta: -21.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2025-01-09 08:37:30,335 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 218.1MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:37:30,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.49ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 119.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:37:30,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.52ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:37:30,335 INFO L158 Benchmark]: Boogie Preprocessor took 51.37ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 114.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:37:30,336 INFO L158 Benchmark]: RCFGBuilder took 348.16ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 97.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:37:30,336 INFO L158 Benchmark]: TraceAbstraction took 12224.76ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 97.0MB in the beginning and 154.1MB in the end (delta: -57.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2025-01-09 08:37:30,337 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 243.3MB. Free memory was 154.1MB in the beginning and 154.1MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:37:30,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 218.1MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.49ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 119.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.52ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.37ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 114.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.16ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 97.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12224.76ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 97.0MB in the beginning and 154.1MB in the end (delta: -57.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 243.3MB. Free memory was 154.1MB in the beginning and 154.1MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * 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 126, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someUnaryDOUBLEoperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 121. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed short int var_1_5 = -256; [L27] signed short int var_1_6 = 4; [L28] signed char var_1_7 = 0; [L29] signed char var_1_8 = 16; [L30] signed char var_1_9 = 4; [L31] unsigned long int var_1_10 = 128; [L32] unsigned long int var_1_11 = 1422462314; [L33] signed short int var_1_12 = 8; [L34] float var_1_13 = 49.5; [L35] float var_1_14 = 0.4; [L36] signed short int var_1_15 = -50; [L37] unsigned long int var_1_16 = 1; [L38] unsigned long int var_1_17 = 3609236770; [L39] unsigned long int var_1_18 = 2902762324; [L40] double var_1_19 = 3.8; [L41] double var_1_20 = 255.75; [L42] unsigned short int var_1_21 = 0; VAL [isInitial=0, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L130] isInitial = 1 [L131] FCALL initially() [L133] FCALL updateLastVariables() [L134] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L88] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L89] var_1_3 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L90] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L91] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L91] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L92] var_1_5 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L93] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L94] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L95] var_1_6 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L96] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L97] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L98] var_1_7 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=16, var_1_9=4] [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=16, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=16, var_1_9=4] [L100] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=16, var_1_9=4] [L101] var_1_8 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=4] [L102] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=4] [L103] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=4] [L104] var_1_9 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L105] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L106] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L106] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L107] var_1_11 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L108] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L109] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L109] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L110] var_1_13 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L111] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L112] var_1_14 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L113] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L114] var_1_17 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L115] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L116] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L116] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L117] var_1_18 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L118] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L119] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L119] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L120] var_1_20 = __VERIFIER_nondet_double() [L121] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L121] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L134] RET updateVariables() [L135] CALL step() [L46] var_1_1 = (var_1_2 || (! var_1_3)) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L47] COND TRUE var_1_5 == var_1_6 [L48] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) VAL [isInitial=1, var_1_10=128, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L50] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L51] COND TRUE var_1_6 != var_1_10 VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L52] COND FALSE !(var_1_8 <= var_1_6) VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L60] COND FALSE !(\read(var_1_2)) [L69] var_1_15 = 5 VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=5, var_1_16=1, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L71] COND TRUE var_1_13 != var_1_14 [L72] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=5, var_1_16=125, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L80] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=5, var_1_16=125, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L81] COND FALSE !((var_1_12 == (var_1_8 - var_1_9)) && var_1_2) VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=5, var_1_16=125, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L135] RET step() [L136] CALL, EXPR property() [L126-L127] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_5 == var_1_6) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((var_1_6 != var_1_10) ? ((var_1_8 <= var_1_6) ? (((- var_1_13) >= var_1_14) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_2 ? ((var_1_13 >= var_1_14) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_13 != var_1_14) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_5 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_12 == (var_1_8 - var_1_9)) && var_1_2) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; VAL [\result=0, isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=5, var_1_16=125, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=5, var_1_16=125, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] [L19] reach_error() VAL [isInitial=1, var_1_10=7248252344, var_1_11=-3221225473, var_1_12=8, var_1_15=5, var_1_16=125, var_1_17=-4294967298, var_1_18=-6442450945, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=62, var_1_8=63, var_1_9=67] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 5, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 568 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 554 mSDsluCounter, 1326 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 929 mSDsCounter, 415 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1803 IncrementalHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 415 mSolverCounterUnsat, 397 mSDtfsCounter, 1803 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 730 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2481 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=4, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 76 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1153 NumberOfCodeBlocks, 1153 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1001 ConstructedInterpolants, 0 QuantifiedInterpolants, 6589 SizeOfPredicates, 10 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 6782/7084 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 08:37:30,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:37:32,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:37:32,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 08:37:32,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:37:32,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:37:32,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:37:32,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:37:32,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:37:32,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:37:32,724 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:37:32,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:37:32,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:37:32,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:37:32,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:37:32,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:37:32,726 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:37:32,727 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:37:32,727 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:37:32,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:37:32,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:37:32,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:37:32,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:37:32,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:37:32,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:37:32,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:37:32,728 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 [2025-01-09 08:37:32,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:37:32,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:37:32,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:37:32,989 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:37:32,989 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:37:32,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2025-01-09 08:37:34,313 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6802b8931/6a85532723974b6daa4ad88d8c8ff623/FLAGc99cdd055 [2025-01-09 08:37:34,530 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:37:34,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2025-01-09 08:37:34,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6802b8931/6a85532723974b6daa4ad88d8c8ff623/FLAGc99cdd055 [2025-01-09 08:37:34,556 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6802b8931/6a85532723974b6daa4ad88d8c8ff623 [2025-01-09 08:37:34,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:37:34,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:37:34,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:37:34,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:37:34,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:37:34,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b446ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34, skipping insertion in model container [2025-01-09 08:37:34,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:37:34,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2025-01-09 08:37:34,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:37:34,778 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:37:34,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2025-01-09 08:37:34,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:37:34,819 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:37:34,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34 WrapperNode [2025-01-09 08:37:34,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:37:34,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:37:34,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:37:34,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:37:34,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,857 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2025-01-09 08:37:34,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:37:34,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:37:34,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:37:34,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:37:34,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,873 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,882 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]. [2025-01-09 08:37:34,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,889 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:37:34,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:37:34,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:37:34,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:37:34,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (1/1) ... [2025-01-09 08:37:34,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:37:34,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:37:34,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 08:37:34,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 08:37:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:37:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 08:37:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:37:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:37:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:37:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:37:35,019 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:37:35,021 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:37:35,311 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 08:37:35,311 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:37:35,321 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:37:35,321 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:37:35,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:37:35 BoogieIcfgContainer [2025-01-09 08:37:35,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:37:35,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:37:35,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:37:35,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:37:35,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:37:34" (1/3) ... [2025-01-09 08:37:35,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a771962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:37:35, skipping insertion in model container [2025-01-09 08:37:35,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:37:34" (2/3) ... [2025-01-09 08:37:35,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a771962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:37:35, skipping insertion in model container [2025-01-09 08:37:35,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:37:35" (3/3) ... [2025-01-09 08:37:35,329 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-11.i [2025-01-09 08:37:35,340 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:37:35,345 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-11.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:37:35,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:37:35,398 INFO L333 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, 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;@7d490845, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:37:35,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:37:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 08:37:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 08:37:35,409 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:35,410 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:35,410 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:35,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:35,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1319107322, now seen corresponding path program 1 times [2025-01-09 08:37:35,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:37:35,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806542201] [2025-01-09 08:37:35,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:35,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 08:37:35,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:37:35,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 08:37:35,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 08:37:35,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:35,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:35,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:35,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:35,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:37:35,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:37:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2025-01-09 08:37:35,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:37:35,734 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:37:35,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806542201] [2025-01-09 08:37:35,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806542201] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:37:35,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:37:35,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 08:37:35,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953985665] [2025-01-09 08:37:35,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:37:35,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:37:35,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:37:35,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:37:35,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:37:35,759 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 08:37:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:37:35,782 INFO L93 Difference]: Finished difference Result 126 states and 218 transitions. [2025-01-09 08:37:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:37:35,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2025-01-09 08:37:35,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:37:35,791 INFO L225 Difference]: With dead ends: 126 [2025-01-09 08:37:35,791 INFO L226 Difference]: Without dead ends: 63 [2025-01-09 08:37:35,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:37:35,796 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 08:37:35,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:37:35,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-09 08:37:35,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-09 08:37:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 08:37:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2025-01-09 08:37:35,841 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 144 [2025-01-09 08:37:35,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:37:35,842 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2025-01-09 08:37:35,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-01-09 08:37:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2025-01-09 08:37:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 08:37:35,847 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:35,847 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:35,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 08:37:36,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 08:37:36,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:36,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:36,050 INFO L85 PathProgramCache]: Analyzing trace with hash 146834188, now seen corresponding path program 1 times [2025-01-09 08:37:36,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:37:36,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47347057] [2025-01-09 08:37:36,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:36,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 08:37:36,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:37:36,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 08:37:36,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 08:37:36,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:36,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:36,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:36,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:36,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 08:37:36,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:37:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-09 08:37:36,292 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:37:36,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:37:36,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47347057] [2025-01-09 08:37:36,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47347057] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:37:36,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:37:36,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 08:37:36,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261952785] [2025-01-09 08:37:36,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:37:36,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 08:37:36,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:37:36,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 08:37:36,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:37:36,298 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 08:37:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:37:36,353 INFO L93 Difference]: Finished difference Result 135 states and 202 transitions. [2025-01-09 08:37:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 08:37:36,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2025-01-09 08:37:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:37:36,358 INFO L225 Difference]: With dead ends: 135 [2025-01-09 08:37:36,358 INFO L226 Difference]: Without dead ends: 75 [2025-01-09 08:37:36,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:37:36,360 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 13 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 08:37:36,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 176 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:37:36,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-01-09 08:37:36,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 67. [2025-01-09 08:37:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 08:37:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2025-01-09 08:37:36,368 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 144 [2025-01-09 08:37:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:37:36,371 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2025-01-09 08:37:36,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-01-09 08:37:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2025-01-09 08:37:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 08:37:36,373 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:37:36,373 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 08:37:36,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 08:37:36,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 08:37:36,579 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:37:36,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:37:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 148681230, now seen corresponding path program 1 times [2025-01-09 08:37:36,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:37:36,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284230000] [2025-01-09 08:37:36,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:37:36,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 08:37:36,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:37:36,585 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 08:37:36,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 08:37:36,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 08:37:36,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 08:37:36,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:37:36,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:37:36,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-09 08:37:36,839 INFO L279 TraceCheckSpWp]: Computing forward predicates...