./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.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_steplocals_file-41.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 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:54:07,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:54:07,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 08:54:07,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:54:07,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:54:07,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:54:07,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:54:07,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:54:07,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:54:07,160 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:54:07,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:54:07,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:54:07,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:54:07,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:54:07,162 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:54:07,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:54:07,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:54:07,162 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:54:07,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:54:07,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:54:07,164 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:54:07,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:54:07,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:54:07,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:54:07,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:54:07,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:54:07,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:54:07,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:54:07,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 08:54:07,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 08:54:07,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:54:07,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:54:07,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:54:07,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:54:07,166 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 -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2025-01-09 08:54:07,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:54:07,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:54:07,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:54:07,452 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:54:07,452 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:54:07,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2025-01-09 08:54:08,736 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/972b732bc/dfcd708953404578acd3d2a58760e198/FLAG5f95dd823 [2025-01-09 08:54:08,996 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:54:08,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2025-01-09 08:54:09,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/972b732bc/dfcd708953404578acd3d2a58760e198/FLAG5f95dd823 [2025-01-09 08:54:09,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/972b732bc/dfcd708953404578acd3d2a58760e198 [2025-01-09 08:54:09,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:54:09,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:54:09,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:54:09,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:54:09,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:54:09,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8a094e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09, skipping insertion in model container [2025-01-09 08:54:09,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:54:09,476 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_steplocals_file-41.i[917,930] [2025-01-09 08:54:09,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:54:09,536 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:54:09,544 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_steplocals_file-41.i[917,930] [2025-01-09 08:54:09,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:54:09,581 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:54:09,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09 WrapperNode [2025-01-09 08:54:09,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:54:09,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:54:09,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:54:09,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:54:09,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,654 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2025-01-09 08:54:09,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:54:09,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:54:09,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:54:09,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:54:09,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,685 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 08:54:09,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,693 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:54:09,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:54:09,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:54:09,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:54:09,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (1/1) ... [2025-01-09 08:54:09,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:54:09,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:54:09,741 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 08:54:09,744 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 08:54:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:54:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:54:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:54:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 08:54:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:54:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:54:09,837 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:54:09,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:54:10,139 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 08:54:10,139 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:54:10,148 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:54:10,149 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:54:10,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:54:10 BoogieIcfgContainer [2025-01-09 08:54:10,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:54:10,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:54:10,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:54:10,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:54:10,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:54:09" (1/3) ... [2025-01-09 08:54:10,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f3579f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:54:10, skipping insertion in model container [2025-01-09 08:54:10,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:09" (2/3) ... [2025-01-09 08:54:10,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f3579f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:54:10, skipping insertion in model container [2025-01-09 08:54:10,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:54:10" (3/3) ... [2025-01-09 08:54:10,157 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2025-01-09 08:54:10,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:54:10,174 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-41.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:54:10,236 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:54:10,247 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;@49c92b93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:54:10,248 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:54:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 45 states have internal predecessors, (58), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-09 08:54:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 08:54:10,266 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:54:10,267 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:10,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:54:10,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:54:10,272 INFO L85 PathProgramCache]: Analyzing trace with hash -870327799, now seen corresponding path program 1 times [2025-01-09 08:54:10,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:54:10,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332152114] [2025-01-09 08:54:10,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:54:10,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:10,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:10,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:10,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2025-01-09 08:54:10,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:54:10,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332152114] [2025-01-09 08:54:10,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332152114] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:54:10,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29370200] [2025-01-09 08:54:10,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:10,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:54:10,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:54:10,600 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 08:54:10,616 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 08:54:10,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:10,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:10,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:10,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:10,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:54:10,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:54:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2025-01-09 08:54:10,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:54:10,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29370200] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:54:10,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:54:10,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 08:54:10,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703407377] [2025-01-09 08:54:10,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:54:10,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:54:10,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:54:10,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:54:10,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:54:10,867 INFO L87 Difference]: Start difference. First operand has 72 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 45 states have internal predecessors, (58), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 08:54:10,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:54:10,896 INFO L93 Difference]: Finished difference Result 138 states and 236 transitions. [2025-01-09 08:54:10,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:54:10,897 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2025-01-09 08:54:10,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:54:10,902 INFO L225 Difference]: With dead ends: 138 [2025-01-09 08:54:10,902 INFO L226 Difference]: Without dead ends: 69 [2025-01-09 08:54:10,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 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 08:54:10,908 INFO L435 NwaCegarLoop]: 103 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, 103 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 08:54:10,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:54:10,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-09 08:54:10,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-01-09 08:54:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-09 08:54:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2025-01-09 08:54:10,946 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 160 [2025-01-09 08:54:10,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:54:10,946 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2025-01-09 08:54:10,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 08:54:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2025-01-09 08:54:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 08:54:10,950 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:54:10,950 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:10,957 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 08:54:11,151 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 08:54:11,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:54:11,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:54:11,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2026403527, now seen corresponding path program 1 times [2025-01-09 08:54:11,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:54:11,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356899840] [2025-01-09 08:54:11,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:11,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:54:11,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:11,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:11,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:11,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 08:54:11,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372055268] [2025-01-09 08:54:11,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:11,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:54:11,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:54:11,400 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 08:54:11,402 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 08:54:11,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:11,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:11,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:11,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:11,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-09 08:54:11,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:54:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 532 proven. 33 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2025-01-09 08:54:12,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 08:54:18,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:54:18,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356899840] [2025-01-09 08:54:18,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-09 08:54:18,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372055268] [2025-01-09 08:54:18,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372055268] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:54:18,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:54:18,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-01-09 08:54:18,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030305014] [2025-01-09 08:54:18,061 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-09 08:54:18,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-09 08:54:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:54:18,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-09 08:54:18,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=344, Unknown=1, NotChecked=0, Total=462 [2025-01-09 08:54:18,067 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 16 states have internal predecessors, (56), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-01-09 08:54:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:54:19,645 INFO L93 Difference]: Finished difference Result 258 states and 360 transitions. [2025-01-09 08:54:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-09 08:54:19,645 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 16 states have internal predecessors, (56), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 160 [2025-01-09 08:54:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:54:19,648 INFO L225 Difference]: With dead ends: 258 [2025-01-09 08:54:19,649 INFO L226 Difference]: Without dead ends: 192 [2025-01-09 08:54:19,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=392, Invalid=1089, Unknown=1, NotChecked=0, Total=1482 [2025-01-09 08:54:19,651 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 289 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 08:54:19,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 550 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 08:54:19,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-01-09 08:54:19,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 129. [2025-01-09 08:54:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 80 states have (on average 1.1875) internal successors, (95), 81 states have internal predecessors, (95), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-09 08:54:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 179 transitions. [2025-01-09 08:54:19,678 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 179 transitions. Word has length 160 [2025-01-09 08:54:19,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:54:19,678 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 179 transitions. [2025-01-09 08:54:19,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 16 states have internal predecessors, (56), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2025-01-09 08:54:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 179 transitions. [2025-01-09 08:54:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 08:54:19,680 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:54:19,681 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:19,690 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 08:54:19,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:54:19,882 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:54:19,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:54:19,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1217056901, now seen corresponding path program 1 times [2025-01-09 08:54:19,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:54:19,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103660764] [2025-01-09 08:54:19,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:19,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:54:19,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:19,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:19,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:19,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2025-01-09 08:54:20,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:54:20,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103660764] [2025-01-09 08:54:20,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103660764] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:54:20,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:54:20,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 08:54:20,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638771327] [2025-01-09 08:54:20,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:54:20,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 08:54:20,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:54:20,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 08:54:20,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 08:54:20,083 INFO L87 Difference]: Start difference. First operand 129 states and 179 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2025-01-09 08:54:20,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:54:20,123 INFO L93 Difference]: Finished difference Result 267 states and 364 transitions. [2025-01-09 08:54:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 08:54:20,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 160 [2025-01-09 08:54:20,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:54:20,129 INFO L225 Difference]: With dead ends: 267 [2025-01-09 08:54:20,129 INFO L226 Difference]: Without dead ends: 141 [2025-01-09 08:54:20,130 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 08:54:20,131 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 21 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 200 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 08:54:20,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 200 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:54:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-01-09 08:54:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2025-01-09 08:54:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 88 states have internal predecessors, (99), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2025-01-09 08:54:20,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2025-01-09 08:54:20,156 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 160 [2025-01-09 08:54:20,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:54:20,157 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2025-01-09 08:54:20,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2025-01-09 08:54:20,157 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2025-01-09 08:54:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 08:54:20,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:54:20,160 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:20,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 08:54:20,160 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:54:20,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:54:20,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1633376517, now seen corresponding path program 1 times [2025-01-09 08:54:20,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:54:20,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611281181] [2025-01-09 08:54:20,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:20,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:54:20,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:20,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:20,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:20,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 08:54:20,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623626806] [2025-01-09 08:54:20,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:20,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:54:20,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:54:20,296 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 08:54:20,298 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 08:54:20,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:20,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:20,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:20,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:20,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 08:54:20,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:54:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 442 proven. 15 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2025-01-09 08:54:20,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 08:54:25,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 08:54:25,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611281181] [2025-01-09 08:54:25,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-09 08:54:25,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623626806] [2025-01-09 08:54:25,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623626806] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:54:25,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-09 08:54:25,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-09 08:54:25,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967356370] [2025-01-09 08:54:25,170 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-09 08:54:25,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 08:54:25,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 08:54:25,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 08:54:25,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2025-01-09 08:54:25,172 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 08:54:25,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:54:25,423 INFO L93 Difference]: Finished difference Result 274 states and 368 transitions. [2025-01-09 08:54:25,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 08:54:25,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2025-01-09 08:54:25,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:54:25,427 INFO L225 Difference]: With dead ends: 274 [2025-01-09 08:54:25,427 INFO L226 Difference]: Without dead ends: 146 [2025-01-09 08:54:25,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=35, Invalid=74, Unknown=1, NotChecked=0, Total=110 [2025-01-09 08:54:25,428 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 54 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 08:54:25,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 208 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 08:54:25,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-01-09 08:54:25,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 138. [2025-01-09 08:54:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 88 states have internal predecessors, (98), 43 states have call successors, (43), 8 states have call predecessors, (43), 8 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2025-01-09 08:54:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2025-01-09 08:54:25,448 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 160 [2025-01-09 08:54:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:54:25,448 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2025-01-09 08:54:25,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 08:54:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2025-01-09 08:54:25,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 08:54:25,451 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:54:25,451 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:25,460 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 08:54:25,651 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 08:54:25,652 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:54:25,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:54:25,652 INFO L85 PathProgramCache]: Analyzing trace with hash 109839511, now seen corresponding path program 1 times [2025-01-09 08:54:25,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 08:54:25,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258051571] [2025-01-09 08:54:25,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 08:54:25,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:54:25,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:54:25,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:25,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 08:54:25,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330757049] [2025-01-09 08:54:25,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:25,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:54:25,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:54:25,745 INFO L229 MonitoredProcess]: Starting monitored process 5 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 08:54:25,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 08:54:25,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:54:26,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:54:26,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:26,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:54:26,091 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 08:54:26,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 08:54:26,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 08:54:26,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:26,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 08:54:26,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 08:54:26,231 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 08:54:26,232 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 08:54:26,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-09 08:54:26,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 08:54:26,437 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-09 08:54:26,538 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 08:54:26,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 08:54:26 BoogieIcfgContainer [2025-01-09 08:54:26,543 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 08:54:26,544 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 08:54:26,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 08:54:26,544 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 08:54:26,545 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:54:10" (3/4) ... [2025-01-09 08:54:26,547 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 08:54:26,548 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 08:54:26,549 INFO L158 Benchmark]: Toolchain (without parser) took 17225.29ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 102.9MB in the end (delta: 8.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2025-01-09 08:54:26,549 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:54:26,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.66ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 97.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:54:26,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.05ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 93.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:54:26,550 INFO L158 Benchmark]: Boogie Preprocessor took 47.78ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 88.6MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 08:54:26,551 INFO L158 Benchmark]: RCFGBuilder took 442.82ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 66.5MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 08:54:26,551 INFO L158 Benchmark]: TraceAbstraction took 16391.92ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 102.9MB in the end (delta: -36.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2025-01-09 08:54:26,552 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 08:54:26,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.66ms. Allocated memory is still 142.6MB. Free memory was 111.1MB in the beginning and 97.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.05ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 93.8MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.78ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 88.6MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 442.82ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 66.5MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16391.92ms. Allocated memory is still 142.6MB. Free memory was 66.0MB in the beginning and 102.9MB in the end (delta: -36.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 102.9MB in the end (delta: 27.1kB). 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 48, overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 136. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 100.25; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 4.8; [L29] signed char var_1_8 = 64; [L30] unsigned short int var_1_9 = 4; [L31] unsigned short int var_1_10 = 0; [L32] signed char var_1_11 = -10; [L33] signed char var_1_12 = 64; [L34] float var_1_13 = 1.6; [L35] float var_1_14 = 3.5; [L36] unsigned char var_1_15 = 8; [L37] unsigned char var_1_16 = 4; [L38] unsigned short int var_1_17 = 2; [L39] unsigned short int var_1_18 = 10000; [L40] unsigned short int var_1_19 = 5; [L41] signed short int var_1_20 = 4; [L42] unsigned long int var_1_21 = 5; [L43] signed char var_1_22 = -32; [L44] unsigned long int var_1_23 = 0; VAL [isInitial=0, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_2=401/4, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L140] isInitial = 1 [L141] FCALL initially() [L143] FCALL updateLastVariables() [L144] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L94] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L98] var_1_4 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L99] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L101] var_1_5 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L102] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L103] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L104] var_1_7 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64, var_1_9=4] [L105] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64, var_1_9=4] [L106] var_1_9 = __VERIFIER_nondet_ushort() [L107] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L107] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L108] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L108] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L109] var_1_10 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L111] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L111] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L112] var_1_11 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L113] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L114] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L114] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L115] var_1_12 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L116] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L117] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L117] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L118] var_1_14 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L119] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L120] var_1_16 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L122] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L122] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L123] var_1_18 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L124] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L125] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L125] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L126] var_1_19 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L127] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L128] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L128] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L129] var_1_21 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L130] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L131] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L131] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L144] RET updateVariables() [L145] CALL step() [L48] COND TRUE (- var_1_2) > 31.9f [L49] var_1_1 = ((var_1_3 || var_1_4) && var_1_5) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L53] COND FALSE !((127.35 + var_1_2) <= var_1_7) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L58] unsigned short int stepLocal_0 = var_1_10; VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=64] [L59] COND TRUE var_1_9 > stepLocal_0 [L60] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L62] unsigned char stepLocal_1 = var_1_12 < var_1_8; VAL [isInitial=1, stepLocal_1=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L63] COND FALSE !((! var_1_5) || stepLocal_1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=8, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L70] COND TRUE \read(var_1_3) [L71] var_1_15 = var_1_16 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L73] unsigned char stepLocal_2 = var_1_9 < var_1_15; VAL [isInitial=1, stepLocal_2=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=2, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L74] COND TRUE var_1_3 || stepLocal_2 [L75] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L79] signed long int stepLocal_3 = -10; VAL [isInitial=1, stepLocal_3=-10, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L80] COND FALSE !(((var_1_17 / var_1_18) * var_1_19) < stepLocal_3) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L83] COND FALSE !(! (var_1_21 <= var_1_10)) [L86] var_1_20 = var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=-32, var_1_23=0, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L89] var_1_22 = 1 [L90] var_1_23 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=254, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L145] RET step() [L146] CALL, EXPR property() [L136-L137] return ((((((((((- var_1_2) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_3 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_2) <= var_1_7) ? ((4.5 <= (var_1_7 * var_1_2)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_9 > var_1_10) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < var_1_8)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_3 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_3 || (var_1_9 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_17 / var_1_18) * var_1_19) < -10) ? (var_1_20 == ((signed short int) ((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))))) : ((! (var_1_21 <= var_1_10)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_15)) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=254, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=254, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=8192, var_1_18=-253952, var_1_19=65536, var_1_1=1, var_1_20=0, var_1_21=0, var_1_22=1, var_1_23=254, var_1_3=-255, var_1_4=1, var_1_5=-255, var_1_6=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 5, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 419 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 1061 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 639 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1027 IncrementalHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 422 mSDtfsCounter, 1027 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 552 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=3, InterpolantAutomatonStates: 47, 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, 74 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 1442 NumberOfCodeBlocks, 1442 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 1737 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 5904/6000 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 08:54:26,608 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_steplocals_file-41.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 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 08:54:28,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 08:54:28,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 08:54:29,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 08:54:29,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 08:54:29,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 08:54:29,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 08:54:29,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 08:54:29,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 08:54:29,040 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 08:54:29,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 08:54:29,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 08:54:29,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 08:54:29,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 08:54:29,042 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 08:54:29,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 08:54:29,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 08:54:29,043 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 08:54:29,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 08:54:29,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 08:54:29,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 08:54:29,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 08:54:29,044 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 08:54:29,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:54:29,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:54:29,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 08:54:29,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 08:54:29,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 08:54:29,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 08:54:29,046 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 -> 98a19e0c547f7d3a72a6b0e726de4b196c22b807120fe6fe181da2453cf1b645 [2025-01-09 08:54:29,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 08:54:29,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 08:54:29,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 08:54:29,323 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 08:54:29,323 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 08:54:29,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2025-01-09 08:54:30,684 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9cc80ad4/ffbe2edc20ad4a9e86dc076a1a601c02/FLAG2bbe6e59a [2025-01-09 08:54:30,899 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 08:54:30,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-41.i [2025-01-09 08:54:30,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9cc80ad4/ffbe2edc20ad4a9e86dc076a1a601c02/FLAG2bbe6e59a [2025-01-09 08:54:30,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9cc80ad4/ffbe2edc20ad4a9e86dc076a1a601c02 [2025-01-09 08:54:30,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 08:54:30,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 08:54:30,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 08:54:30,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 08:54:30,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 08:54:30,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:54:30" (1/1) ... [2025-01-09 08:54:30,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c9e43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:30, skipping insertion in model container [2025-01-09 08:54:30,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:54:30" (1/1) ... [2025-01-09 08:54:30,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 08:54:31,064 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_steplocals_file-41.i[917,930] [2025-01-09 08:54:31,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:54:31,142 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 08:54:31,155 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_steplocals_file-41.i[917,930] [2025-01-09 08:54:31,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 08:54:31,199 INFO L204 MainTranslator]: Completed translation [2025-01-09 08:54:31,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31 WrapperNode [2025-01-09 08:54:31,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 08:54:31,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 08:54:31,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 08:54:31,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 08:54:31,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,263 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2025-01-09 08:54:31,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 08:54:31,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 08:54:31,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 08:54:31,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 08:54:31,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,295 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 08:54:31,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 08:54:31,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 08:54:31,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 08:54:31,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 08:54:31,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (1/1) ... [2025-01-09 08:54:31,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 08:54:31,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 08:54:31,373 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 08:54:31,377 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 08:54:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 08:54:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 08:54:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 08:54:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 08:54:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 08:54:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 08:54:31,486 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 08:54:31,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 08:54:43,957 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 08:54:43,957 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 08:54:43,965 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 08:54:43,965 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 08:54:43,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:54:43 BoogieIcfgContainer [2025-01-09 08:54:43,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 08:54:43,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 08:54:43,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 08:54:43,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 08:54:43,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:54:30" (1/3) ... [2025-01-09 08:54:43,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d32e971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:54:43, skipping insertion in model container [2025-01-09 08:54:43,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:54:31" (2/3) ... [2025-01-09 08:54:43,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d32e971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:54:43, skipping insertion in model container [2025-01-09 08:54:43,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:54:43" (3/3) ... [2025-01-09 08:54:43,975 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-41.i [2025-01-09 08:54:43,991 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 08:54:43,993 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-41.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 08:54:44,035 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 08:54:44,045 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;@5de06f79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 08:54:44,046 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 08:54:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 45 states have internal predecessors, (58), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-09 08:54:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 08:54:44,063 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:54:44,063 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:44,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:54:44,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:54:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash -870327799, now seen corresponding path program 1 times [2025-01-09 08:54:44,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:54:44,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375007682] [2025-01-09 08:54:44,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:44,078 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 08:54:44,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:54:44,080 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 08:54:44,081 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 08:54:44,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:44,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:44,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:44,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:44,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 08:54:44,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:54:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2025-01-09 08:54:44,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 08:54:44,539 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:54:44,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375007682] [2025-01-09 08:54:44,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375007682] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 08:54:44,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 08:54:44,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 08:54:44,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752638422] [2025-01-09 08:54:44,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 08:54:44,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 08:54:44,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 08:54:44,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 08:54:44,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 08:54:44,566 INFO L87 Difference]: Start difference. First operand has 72 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 45 states have internal predecessors, (58), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 08:54:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 08:54:44,594 INFO L93 Difference]: Finished difference Result 138 states and 236 transitions. [2025-01-09 08:54:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 08:54:44,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2025-01-09 08:54:44,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 08:54:44,602 INFO L225 Difference]: With dead ends: 138 [2025-01-09 08:54:44,603 INFO L226 Difference]: Without dead ends: 69 [2025-01-09 08:54:44,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 08:54:44,609 INFO L435 NwaCegarLoop]: 103 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, 103 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 08:54:44,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 08:54:44,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-09 08:54:44,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-01-09 08:54:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-09 08:54:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2025-01-09 08:54:44,661 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 160 [2025-01-09 08:54:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 08:54:44,662 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2025-01-09 08:54:44,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-01-09 08:54:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2025-01-09 08:54:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 08:54:44,667 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 08:54:44,668 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:44,683 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 08:54:44,869 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 08:54:44,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 08:54:44,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 08:54:44,870 INFO L85 PathProgramCache]: Analyzing trace with hash 2026403527, now seen corresponding path program 1 times [2025-01-09 08:54:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 08:54:44,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943297011] [2025-01-09 08:54:44,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:44,871 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 08:54:44,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 08:54:44,873 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 08:54:44,875 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 08:54:44,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:45,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:45,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:45,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:45,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-09 08:54:45,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 08:54:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2025-01-09 08:54:47,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 08:54:49,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 08:54:49,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943297011] [2025-01-09 08:54:49,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1943297011] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 08:54:49,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1762711080] [2025-01-09 08:54:49,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 08:54:49,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-01-09 08:54:49,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-01-09 08:54:49,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-01-09 08:54:49,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-01-09 08:54:49,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 08:54:50,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 08:54:50,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 08:54:50,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 08:54:50,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-09 08:54:50,670 INFO L279 TraceCheckSpWp]: Computing forward predicates...