./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.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 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:43:22,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:43:22,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:43:22,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:43:22,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:43:22,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:43:22,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:43:22,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:43:22,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:43:22,159 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:43:22,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:43:22,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:43:22,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:43:22,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:43:22,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:43:22,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:43:22,162 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:22,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:22,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:22,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:43:22,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:43:22,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:43:22,164 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:43:22,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:43:22,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:43:22,164 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 -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2025-01-09 12:43:22,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:43:22,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:43:22,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:43:22,372 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:43:22,372 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:43:22,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2025-01-09 12:43:23,495 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/87457c5cf/9d55941182c542fb9594924f85cbe5f3/FLAG2234b2b52 [2025-01-09 12:43:23,789 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:43:23,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2025-01-09 12:43:23,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/87457c5cf/9d55941182c542fb9594924f85cbe5f3/FLAG2234b2b52 [2025-01-09 12:43:23,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/87457c5cf/9d55941182c542fb9594924f85cbe5f3 [2025-01-09 12:43:23,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:43:23,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:43:23,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:23,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:43:23,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:43:23,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:23" (1/1) ... [2025-01-09 12:43:23,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f596780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:23, skipping insertion in model container [2025-01-09 12:43:23,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:23" (1/1) ... [2025-01-09 12:43:23,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:43:23,925 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-52.i[916,929] [2025-01-09 12:43:23,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:23,973 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:43:23,980 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-52.i[916,929] [2025-01-09 12:43:23,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:24,011 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:43:24,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24 WrapperNode [2025-01-09 12:43:24,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:24,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:24,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:43:24,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:43:24,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,048 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2025-01-09 12:43:24,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:24,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:43:24,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:43:24,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:43:24,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,061 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 12:43:24,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,064 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:43:24,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:43:24,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:43:24,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:43:24,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (1/1) ... [2025-01-09 12:43:24,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:24,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:43:24,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:43:24,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:43:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:43:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:43:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:43:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:43:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:43:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:43:24,170 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:43:24,171 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:43:24,316 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-01-09 12:43:24,316 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:43:24,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:43:24,322 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:43:24,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:24 BoogieIcfgContainer [2025-01-09 12:43:24,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:43:24,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:43:24,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:43:24,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:43:24,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:43:23" (1/3) ... [2025-01-09 12:43:24,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4403c812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:24, skipping insertion in model container [2025-01-09 12:43:24,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:24" (2/3) ... [2025-01-09 12:43:24,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4403c812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:24, skipping insertion in model container [2025-01-09 12:43:24,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:24" (3/3) ... [2025-01-09 12:43:24,329 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2025-01-09 12:43:24,338 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:43:24,340 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-52.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:43:24,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:43:24,376 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;@4dcfe16f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:43:24,376 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:43:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 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) [2025-01-09 12:43:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-09 12:43:24,385 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:43:24,385 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, 1, 1] [2025-01-09 12:43:24,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:43:24,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:43:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash 872961831, now seen corresponding path program 1 times [2025-01-09 12:43:24,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:43:24,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110976029] [2025-01-09 12:43:24,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:43:24,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:43:24,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 12:43:24,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 12:43:24,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:24,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:43:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-01-09 12:43:24,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:43:24,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110976029] [2025-01-09 12:43:24,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110976029] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:43:24,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863277801] [2025-01-09 12:43:24,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:43:24,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:43:24,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:43:24,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 12:43:24,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 12:43:24,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 12:43:24,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 12:43:24,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:24,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:43:24,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:43:24,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:43:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2025-01-09 12:43:24,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:43:24,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863277801] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:43:24,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:43:24,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:43:24,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136358634] [2025-01-09 12:43:24,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:43:24,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:43:24,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:43:24,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:43:24,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:43:24,812 INFO L87 Difference]: Start difference. First operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 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), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 12:43:24,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:43:24,836 INFO L93 Difference]: Finished difference Result 126 states and 215 transitions. [2025-01-09 12:43:24,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:43:24,838 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), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2025-01-09 12:43:24,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:43:24,842 INFO L225 Difference]: With dead ends: 126 [2025-01-09 12:43:24,842 INFO L226 Difference]: Without dead ends: 63 [2025-01-09 12:43:24,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:43:24,847 INFO L435 NwaCegarLoop]: 94 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, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 12:43:24,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:43:24,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-09 12:43:24,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-09 12:43:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 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) [2025-01-09 12:43:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2025-01-09 12:43:24,879 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 136 [2025-01-09 12:43:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:43:24,879 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2025-01-09 12:43:24,880 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), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 12:43:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2025-01-09 12:43:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-09 12:43:24,884 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:43:24,884 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, 1, 1] [2025-01-09 12:43:24,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 12:43:25,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 12:43:25,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:43:25,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:43:25,087 INFO L85 PathProgramCache]: Analyzing trace with hash -2131737113, now seen corresponding path program 1 times [2025-01-09 12:43:25,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:43:25,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550715110] [2025-01-09 12:43:25,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:43:25,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:43:25,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 12:43:25,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 12:43:25,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:25,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:43:25,226 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:43:25,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 12:43:25,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 12:43:25,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:25,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:43:25,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:43:25,345 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:43:25,346 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:43:25,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 12:43:25,349 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 12:43:25,416 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:43:25,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:43:25 BoogieIcfgContainer [2025-01-09 12:43:25,418 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:43:25,418 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:43:25,418 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:43:25,418 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:43:25,419 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:24" (3/4) ... [2025-01-09 12:43:25,420 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:43:25,421 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:43:25,421 INFO L158 Benchmark]: Toolchain (without parser) took 1608.23ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 66.3MB in the end (delta: 39.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2025-01-09 12:43:25,421 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:43:25,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.57ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 92.4MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:43:25,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.53ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:43:25,422 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 88.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:43:25,422 INFO L158 Benchmark]: RCFGBuilder took 246.72ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 71.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:43:25,422 INFO L158 Benchmark]: TraceAbstraction took 1093.13ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 66.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2025-01-09 12:43:25,423 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 142.6MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:43:25,424 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 201.3MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.57ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 92.4MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.53ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 88.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.72ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 71.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1093.13ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 66.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 142.6MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 41.6kB). 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 someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_3 = 32; [L24] signed short int var_1_4 = -1; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] signed long int var_1_10 = 25; [L31] signed long int var_1_11 = 256; [L32] signed long int var_1_12 = 0; [L33] signed long int var_1_13 = 31; [L34] signed long int var_1_14 = 256; [L35] unsigned long int var_1_15 = 8; [L36] unsigned char var_1_16 = 16; VAL [isInitial=0, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=32, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L106] isInitial = 1 [L107] FCALL initially() [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L65] var_1_3 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L68] var_1_4 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L69] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=0] [L71] var_1_6 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L75] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L77] var_1_8 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L78] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=0] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L81] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1] [L82] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L82] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=25, var_1_11=256, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L83] var_1_11 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L85] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L85] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=0, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L86] var_1_12 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L87] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L88] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L88] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=31, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L89] var_1_13 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L91] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L91] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=256, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L92] var_1_14 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L94] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L94] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=16, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L97] CALL assume_abort_if_not(var_1_16 <= 30) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L97] RET assume_abort_if_not(var_1_16 <= 30) VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L110] RET updateVariables() [L111] CALL step() [L40] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=11, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L41] COND FALSE !(stepLocal_0 > ((var_1_4 / -256) * 32)) [L48] var_1_5 = var_1_9 VAL [isInitial=1, var_1_10=25, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L50] COND TRUE \read(var_1_7) [L51] var_1_10 = (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-4, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L53] COND TRUE var_1_10 < 63.75 [L54] var_1_1 = (10 - var_1_3) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L58] COND FALSE !(! (var_1_13 < (127.125 / var_1_12))) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L102-L103] return ((((var_1_10 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_3))) : (var_1_1 == ((signed short int) (4 + var_1_4)))) && ((var_1_3 > ((var_1_4 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && var_1_8)))) : (var_1_5 == ((unsigned char) var_1_8))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_7 ? (var_1_10 == ((signed long int) (var_1_11 - (((((var_1_12 - var_1_13)) > (var_1_14)) ? ((var_1_12 - var_1_13)) : (var_1_14)))))) : 1)) && ((! (var_1_13 < (127.125 / var_1_12))) ? ((var_1_1 <= ((var_1_4 * var_1_3) + (-2 << var_1_16))) ? (var_1_15 == ((unsigned long int) var_1_3)) : 1) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, var_1_10=-2147483647, var_1_11=0, var_1_12=2147483647, var_1_13=0, var_1_14=2147483646, var_1_15=8, var_1_16=30, var_1_1=-1, var_1_3=11, var_1_4=-16129, var_1_5=-256, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 94 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, 94 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 299 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 [2025-01-09 12:43:25,443 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-52.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 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:43:27,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:43:27,403 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:43:27,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:43:27,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:43:27,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:43:27,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:43:27,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:43:27,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:43:27,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:43:27,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:43:27,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:43:27,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:43:27,438 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:27,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:27,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:43:27,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:43:27,439 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:43:27,439 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 -> 19096ca86d86acc30d8aed0bf6308f75bb4310aad7abc911bc202c5b0fcfab1c [2025-01-09 12:43:27,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:43:27,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:43:27,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:43:27,662 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:43:27,662 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:43:27,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2025-01-09 12:43:28,789 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/620eabc9c/0ee8639fd54949078849d464aa2cf35f/FLAG4f64c66fb [2025-01-09 12:43:28,977 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:43:28,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-52.i [2025-01-09 12:43:28,982 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/620eabc9c/0ee8639fd54949078849d464aa2cf35f/FLAG4f64c66fb [2025-01-09 12:43:28,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/620eabc9c/0ee8639fd54949078849d464aa2cf35f [2025-01-09 12:43:28,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:43:28,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:43:28,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:28,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:43:28,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:43:28,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:28" (1/1) ... [2025-01-09 12:43:28,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1650fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:28, skipping insertion in model container [2025-01-09 12:43:28,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:43:28" (1/1) ... [2025-01-09 12:43:29,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:43:29,103 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-52.i[916,929] [2025-01-09 12:43:29,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:29,138 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:43:29,145 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-52.i[916,929] [2025-01-09 12:43:29,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:43:29,179 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:43:29,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29 WrapperNode [2025-01-09 12:43:29,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:43:29,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:29,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:43:29,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:43:29,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,208 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2025-01-09 12:43:29,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:43:29,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:43:29,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:43:29,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:43:29,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,217 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,224 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 12:43:29,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,233 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:43:29,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:43:29,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:43:29,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:43:29,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (1/1) ... [2025-01-09 12:43:29,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:29,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:43:29,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 12:43:29,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 12:43:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:43:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:43:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:43:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:43:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:43:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:43:29,333 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:43:29,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:43:42,050 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:43:42,050 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:43:42,056 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:43:42,056 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:43:42,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:42 BoogieIcfgContainer [2025-01-09 12:43:42,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:43:42,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:43:42,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:43:42,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:43:42,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:43:28" (1/3) ... [2025-01-09 12:43:42,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a9d3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:42, skipping insertion in model container [2025-01-09 12:43:42,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:43:29" (2/3) ... [2025-01-09 12:43:42,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a9d3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:43:42, skipping insertion in model container [2025-01-09 12:43:42,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:43:42" (3/3) ... [2025-01-09 12:43:42,062 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-52.i [2025-01-09 12:43:42,071 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:43:42,072 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-52.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:43:42,102 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:43:42,134 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;@57978b79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:43:42,135 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:43:42,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 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) [2025-01-09 12:43:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 12:43:42,145 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:43:42,146 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] [2025-01-09 12:43:42,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:43:42,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:43:42,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2120874964, now seen corresponding path program 1 times [2025-01-09 12:43:42,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:43:42,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846366128] [2025-01-09 12:43:42,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:43:42,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:43:42,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:43:42,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:43:42,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-01-09 12:43:42,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 12:43:42,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 12:43:42,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:42,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:43:42,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:43:42,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:43:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-01-09 12:43:42,674 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:43:42,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:43:42,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846366128] [2025-01-09 12:43:42,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846366128] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:43:42,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:43:42,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:43:42,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640261125] [2025-01-09 12:43:42,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:43:42,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:43:42,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:43:42,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:43:42,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:43:42,699 INFO L87 Difference]: Start difference. First operand has 57 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 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) [2025-01-09 12:43:42,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:43:42,722 INFO L93 Difference]: Finished difference Result 108 states and 189 transitions. [2025-01-09 12:43:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:43:42,724 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 [2025-01-09 12:43:42,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:43:42,730 INFO L225 Difference]: With dead ends: 108 [2025-01-09 12:43:42,730 INFO L226 Difference]: Without dead ends: 54 [2025-01-09 12:43:42,733 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 [2025-01-09 12:43:42,735 INFO L435 NwaCegarLoop]: 81 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, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 12:43:42,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:43:42,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-01-09 12:43:42,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2025-01-09 12:43:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 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) [2025-01-09 12:43:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 81 transitions. [2025-01-09 12:43:42,777 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 81 transitions. Word has length 134 [2025-01-09 12:43:42,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:43:42,778 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 81 transitions. [2025-01-09 12:43:42,778 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) [2025-01-09 12:43:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2025-01-09 12:43:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 12:43:42,784 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:43:42,784 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] [2025-01-09 12:43:42,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 12:43:42,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:43:42,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:43:42,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:43:42,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1630184172, now seen corresponding path program 1 times [2025-01-09 12:43:42,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:43:42,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795863845] [2025-01-09 12:43:42,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:43:42,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:43:42,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:43:42,994 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:43:42,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-01-09 12:43:43,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 12:43:43,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 12:43:43,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:43:43,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:43:43,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-09 12:43:43,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:44:00,905 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:44:09,199 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:44:17,483 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:44:25,801 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:44:34,153 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:44:42,513 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:44:50,879 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:44:59,229 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-09 12:45:07,454 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)