./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_floatingpointinfluence_no-floats_file-10.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 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:31:26,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:31:26,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 00:31:26,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:31:26,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:31:26,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:31:26,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:31:26,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:31:26,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:31:26,846 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:31:26,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:31:26,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:31:26,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:31:26,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:31:26,846 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:31:26,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:31:26,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:31:26,848 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:31:26,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:31:26,848 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:31:26,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:31:26,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 00:31:26,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 00:31:26,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:31:26,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:31:26,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:31:26,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:31:26,849 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 -> 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 [2025-02-06 00:31:27,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:31:27,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:31:27,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:31:27,039 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:31:27,039 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:31:27,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2025-02-06 00:31:28,308 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a65d67125/cfd82bef967844778aadf826dbf774e0/FLAG6ed5c76dd [2025-02-06 00:31:28,668 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:31:28,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2025-02-06 00:31:28,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a65d67125/cfd82bef967844778aadf826dbf774e0/FLAG6ed5c76dd [2025-02-06 00:31:28,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a65d67125/cfd82bef967844778aadf826dbf774e0 [2025-02-06 00:31:28,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:31:28,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:31:28,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:31:28,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:31:28,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:31:28,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:31:28" (1/1) ... [2025-02-06 00:31:28,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6f6441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:28, skipping insertion in model container [2025-02-06 00:31:28,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:31:28" (1/1) ... [2025-02-06 00:31:28,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:31:29,025 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_floatingpointinfluence_no-floats_file-10.i[916,929] [2025-02-06 00:31:29,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:31:29,080 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:31:29,088 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_floatingpointinfluence_no-floats_file-10.i[916,929] [2025-02-06 00:31:29,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:31:29,121 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:31:29,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29 WrapperNode [2025-02-06 00:31:29,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:31:29,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:31:29,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:31:29,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:31:29,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,151 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2025-02-06 00:31:29,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:31:29,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:31:29,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:31:29,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:31:29,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,179 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]. [2025-02-06 00:31:29,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,187 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:31:29,199 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:31:29,199 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:31:29,199 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:31:29,200 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (1/1) ... [2025-02-06 00:31:29,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:31:29,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:31:29,236 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) [2025-02-06 00:31:29,245 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 [2025-02-06 00:31:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:31:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:31:29,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:31:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 00:31:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:31:29,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:31:29,333 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:31:29,335 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:31:29,553 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 00:31:29,554 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:31:29,560 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:31:29,560 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:31:29,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:31:29 BoogieIcfgContainer [2025-02-06 00:31:29,561 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:31:29,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:31:29,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:31:29,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:31:29,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:31:28" (1/3) ... [2025-02-06 00:31:29,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a19eac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:31:29, skipping insertion in model container [2025-02-06 00:31:29,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:29" (2/3) ... [2025-02-06 00:31:29,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a19eac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:31:29, skipping insertion in model container [2025-02-06 00:31:29,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:31:29" (3/3) ... [2025-02-06 00:31:29,567 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-10.i [2025-02-06 00:31:29,578 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:31:29,579 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-10.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:31:29,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:31:29,622 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;@6e71ae09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:31:29,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:31:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 00:31:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 00:31:29,633 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:31:29,633 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:31:29,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:31:29,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:31:29,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1601383368, now seen corresponding path program 1 times [2025-02-06 00:31:29,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:31:29,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704330363] [2025-02-06 00:31:29,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:31:29,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:31:29,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 00:31:29,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 00:31:29,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:31:29,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:31:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-02-06 00:31:29,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:31:29,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704330363] [2025-02-06 00:31:29,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704330363] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:31:29,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100787569] [2025-02-06 00:31:29,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:31:29,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:31:29,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:31:29,897 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) [2025-02-06 00:31:29,898 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 [2025-02-06 00:31:29,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 00:31:30,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 00:31:30,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:31:30,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:31:30,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:31:30,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:31:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-02-06 00:31:30,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:31:30,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100787569] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:31:30,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 00:31:30,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 00:31:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663433889] [2025-02-06 00:31:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:31:30,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:31:30,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:31:30,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:31:30,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:31:30,105 INFO L87 Difference]: Start difference. First operand has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 00:31:30,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:31:30,122 INFO L93 Difference]: Finished difference Result 106 states and 183 transitions. [2025-02-06 00:31:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:31:30,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2025-02-06 00:31:30,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:31:30,129 INFO L225 Difference]: With dead ends: 106 [2025-02-06 00:31:30,130 INFO L226 Difference]: Without dead ends: 53 [2025-02-06 00:31:30,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:31:30,135 INFO L435 NwaCegarLoop]: 78 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, 78 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 [2025-02-06 00:31:30,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:31:30,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-02-06 00:31:30,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-02-06 00:31:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 00:31:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-02-06 00:31:30,168 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 134 [2025-02-06 00:31:30,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:31:30,168 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-02-06 00:31:30,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 00:31:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-02-06 00:31:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 00:31:30,171 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:31:30,171 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:31:30,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 00:31:30,375 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 [2025-02-06 00:31:30,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:31:30,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:31:30,377 INFO L85 PathProgramCache]: Analyzing trace with hash -818054360, now seen corresponding path program 1 times [2025-02-06 00:31:30,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:31:30,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992567236] [2025-02-06 00:31:30,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:31:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:31:30,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 00:31:30,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 00:31:30,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:31:30,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:31:30,542 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:31:30,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 00:31:30,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 00:31:30,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:31:30,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:31:30,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 00:31:30,736 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 00:31:30,737 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 00:31:30,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 00:31:30,740 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 00:31:30,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 00:31:30,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:31:30 BoogieIcfgContainer [2025-02-06 00:31:30,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 00:31:30,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 00:31:30,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 00:31:30,835 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 00:31:30,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:31:29" (3/4) ... [2025-02-06 00:31:30,838 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 00:31:30,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 00:31:30,840 INFO L158 Benchmark]: Toolchain (without parser) took 1931.47ms. Allocated memory is still 201.3MB. Free memory was 153.4MB in the beginning and 137.6MB in the end (delta: 15.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2025-02-06 00:31:30,841 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 218.1MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:31:30,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.74ms. Allocated memory is still 201.3MB. Free memory was 153.4MB in the beginning and 140.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:31:30,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.84ms. Allocated memory is still 201.3MB. Free memory was 140.7MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:31:30,841 INFO L158 Benchmark]: Boogie Preprocessor took 43.15ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 136.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:31:30,842 INFO L158 Benchmark]: IcfgBuilder took 362.00ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 119.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 00:31:30,842 INFO L158 Benchmark]: TraceAbstraction took 1272.19ms. Allocated memory is still 201.3MB. Free memory was 118.8MB in the beginning and 137.6MB in the end (delta: -18.9MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2025-02-06 00:31:30,843 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 201.3MB. Free memory was 137.6MB in the beginning and 137.6MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:31:30,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 218.1MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.74ms. Allocated memory is still 201.3MB. Free memory was 153.4MB in the beginning and 140.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.84ms. Allocated memory is still 201.3MB. Free memory was 140.7MB in the beginning and 138.6MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.15ms. Allocated memory is still 201.3MB. Free memory was 138.6MB in the beginning and 136.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 362.00ms. Allocated memory is still 201.3MB. Free memory was 136.7MB in the beginning and 119.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1272.19ms. Allocated memory is still 201.3MB. Free memory was 118.8MB in the beginning and 137.6MB in the end (delta: -18.9MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 201.3MB. Free memory was 137.6MB in the beginning and 137.6MB in the end (delta: 39.1kB). 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 to_int at line 109, overapproximation of to_int at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] signed long int var_1_3 = 9; [L25] signed long int var_1_6 = 1000000; [L26] signed long int var_1_7 = 49; [L27] signed long int var_1_8 = 0; [L28] signed char var_1_9 = -10; [L29] unsigned short int var_1_10 = 58996; [L30] unsigned short int var_1_11 = 32; [L31] signed char var_1_12 = 32; [L32] signed char var_1_13 = 16; [L33] signed char var_1_14 = 2; [L34] signed long int var_1_15 = 32; [L35] signed long int var_1_17 = 1000000000; [L36] signed long int var_1_18 = 0; [L37] signed char var_1_19 = 2; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; [L40] signed long int last_1_var_1_3 = 9; VAL [isInitial=0, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=8, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] CALL updateLastVariables() [L106] last_1_var_1_3 = var_1_3 VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=8, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L116] RET updateLastVariables() [L117] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L73] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L73] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L74] var_1_6 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L76] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L77] var_1_7 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L79] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L79] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L80] var_1_8 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L81] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L82] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L82] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L83] var_1_10 = __VERIFIER_nondet_ushort() [L84] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L84] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L85] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L85] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L86] var_1_11 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L88] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L88] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L90] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L91] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L94] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L98] var_1_17 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L99] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L100] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L101] var_1_21 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_21 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L102] RET assume_abort_if_not(var_1_21 >= 1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L103] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L103] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L117] RET updateVariables() [L118] CALL step() [L44] var_1_1 = var_1_2 [L45] var_1_18 = var_1_8 [L46] var_1_19 = var_1_12 [L47] var_1_20 = var_1_21 [L48] signed char stepLocal_1 = var_1_19; VAL [isInitial=1, last_1_var_1_3=9, stepLocal_1=0, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-10] [L49] COND TRUE (- (var_1_10 - var_1_11)) >= stepLocal_1 [L50] var_1_9 = (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=32, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-126] [L54] COND TRUE \read(var_1_20) [L55] var_1_15 = (var_1_12 - var_1_14) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=-126, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-126] [L59] signed long int stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_3=9, stepLocal_0=-126, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=-126, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-126] [L60] COND TRUE stepLocal_0 < var_1_1 [L61] var_1_3 = -0.5 VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=-126, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-126] [L118] RET step() [L119] CALL, EXPR property() [L109-L110] return ((((((var_1_1 == ((unsigned long int) var_1_2)) && ((var_1_15 < var_1_1) ? (var_1_3 == ((signed long int) -0.5)) : (((- last_1_var_1_3) == (var_1_6 - var_1_7)) ? (var_1_3 == ((signed long int) var_1_8)) : (var_1_3 == ((signed long int) var_1_8))))) && (((- (var_1_10 - var_1_11)) >= var_1_19) ? (var_1_9 == ((signed char) (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))))) : (var_1_9 == ((signed char) ((((var_1_12) < (var_1_14)) ? (var_1_12) : (var_1_14))))))) && (var_1_20 ? (var_1_15 == ((signed long int) (var_1_12 - var_1_14))) : (var_1_15 == ((signed long int) (var_1_13 - ((var_1_17 - 4) + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) && (var_1_18 == ((signed long int) var_1_8))) && (var_1_19 == ((signed char) var_1_12))) && (var_1_20 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=-126, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_3=1, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-126] [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=-126, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_3=1, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=126, var_1_14=126, var_1_15=-126, var_1_17=536870911, var_1_18=2, var_1_19=0, var_1_1=-125, var_1_20=-255, var_1_21=-255, var_1_2=-125, var_1_3=1, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=-126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 402 NumberOfCodeBlocks, 402 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 314 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1806/1848 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 [2025-02-06 00:31:30,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_floatingpointinfluence_no-floats_file-10.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 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:31:32,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:31:32,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 00:31:32,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:31:32,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:31:32,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:31:32,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:31:32,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:31:32,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:31:32,913 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:31:32,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:31:32,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:31:32,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:31:32,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:31:32,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:31:32,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:31:32,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:31:32,915 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 -> 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 [2025-02-06 00:31:33,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:31:33,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:31:33,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:31:33,180 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:31:33,180 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:31:33,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2025-02-06 00:31:34,400 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0f27a671b/6c76e950295d45c0a4a54ef58e879fa9/FLAGdac85ddf4 [2025-02-06 00:31:34,622 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:31:34,623 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2025-02-06 00:31:34,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0f27a671b/6c76e950295d45c0a4a54ef58e879fa9/FLAGdac85ddf4 [2025-02-06 00:31:34,642 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0f27a671b/6c76e950295d45c0a4a54ef58e879fa9 [2025-02-06 00:31:34,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:31:34,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:31:34,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:31:34,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:31:34,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:31:34,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c38f1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34, skipping insertion in model container [2025-02-06 00:31:34,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:31:34,774 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_floatingpointinfluence_no-floats_file-10.i[916,929] [2025-02-06 00:31:34,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:31:34,830 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:31:34,839 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_floatingpointinfluence_no-floats_file-10.i[916,929] [2025-02-06 00:31:34,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:31:34,880 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:31:34,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34 WrapperNode [2025-02-06 00:31:34,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:31:34,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:31:34,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:31:34,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:31:34,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,915 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2025-02-06 00:31:34,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:31:34,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:31:34,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:31:34,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:31:34,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,944 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]. [2025-02-06 00:31:34,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,953 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:31:34,961 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:31:34,961 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:31:34,961 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:31:34,965 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (1/1) ... [2025-02-06 00:31:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:31:34,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:31:34,990 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) [2025-02-06 00:31:34,996 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 [2025-02-06 00:31:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:31:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 00:31:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:31:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:31:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:31:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:31:35,074 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:31:35,076 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:31:35,246 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 00:31:35,246 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:31:35,256 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:31:35,258 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:31:35,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:31:35 BoogieIcfgContainer [2025-02-06 00:31:35,258 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:31:35,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:31:35,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:31:35,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:31:35,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:31:34" (1/3) ... [2025-02-06 00:31:35,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eae6fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:31:35, skipping insertion in model container [2025-02-06 00:31:35,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:31:34" (2/3) ... [2025-02-06 00:31:35,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eae6fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:31:35, skipping insertion in model container [2025-02-06 00:31:35,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:31:35" (3/3) ... [2025-02-06 00:31:35,267 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-10.i [2025-02-06 00:31:35,279 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:31:35,280 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-10.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:31:35,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:31:35,344 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;@609c3a0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:31:35,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:31:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 00:31:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 00:31:35,355 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:31:35,356 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:31:35,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:31:35,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:31:35,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1601383368, now seen corresponding path program 1 times [2025-02-06 00:31:35,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:31:35,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680597483] [2025-02-06 00:31:35,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:31:35,368 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 [2025-02-06 00:31:35,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:31:35,371 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) [2025-02-06 00:31:35,373 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 [2025-02-06 00:31:35,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 00:31:35,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 00:31:35,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:31:35,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:31:35,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:31:35,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:31:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-02-06 00:31:35,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:31:35,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:31:35,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680597483] [2025-02-06 00:31:35,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680597483] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:31:35,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 00:31:35,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 00:31:35,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702425114] [2025-02-06 00:31:35,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:31:35,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:31:35,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:31:35,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:31:35,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:31:35,611 INFO L87 Difference]: Start difference. First operand has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 00:31:35,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:31:35,635 INFO L93 Difference]: Finished difference Result 106 states and 183 transitions. [2025-02-06 00:31:35,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:31:35,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2025-02-06 00:31:35,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:31:35,644 INFO L225 Difference]: With dead ends: 106 [2025-02-06 00:31:35,645 INFO L226 Difference]: Without dead ends: 53 [2025-02-06 00:31:35,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:31:35,651 INFO L435 NwaCegarLoop]: 78 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, 78 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 [2025-02-06 00:31:35,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:31:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-02-06 00:31:35,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-02-06 00:31:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 00:31:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-02-06 00:31:35,692 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 134 [2025-02-06 00:31:35,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:31:35,692 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-02-06 00:31:35,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-02-06 00:31:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-02-06 00:31:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 00:31:35,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:31:35,696 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:31:35,702 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 [2025-02-06 00:31:35,897 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 [2025-02-06 00:31:35,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:31:35,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:31:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash -818054360, now seen corresponding path program 1 times [2025-02-06 00:31:35,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:31:35,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401355866] [2025-02-06 00:31:35,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:31:35,899 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 [2025-02-06 00:31:35,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:31:35,905 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) [2025-02-06 00:31:35,908 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 [2025-02-06 00:31:35,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 00:31:36,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 00:31:36,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:31:36,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:31:36,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-06 00:31:36,039 INFO L279 TraceCheckSpWp]: Computing forward predicates...