./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-50.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_has-floats_file-50.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 3ee6bf6011580eaa6570c3402c462e285b418b31675b2c310f08d8862af6b7b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:31:23,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:31:23,715 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:31:23,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:31:23,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:31:23,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:31:23,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:31:23,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:31:23,734 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:31:23,734 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:31:23,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:31:23,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:31:23,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:31:23,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:31:23,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:31:23,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:31:23,736 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:23,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:31:23,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:23,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:31:23,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:31:23,738 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 -> 3ee6bf6011580eaa6570c3402c462e285b418b31675b2c310f08d8862af6b7b0 [2025-01-09 12:31:23,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:31:23,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:31:23,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:31:23,948 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:31:23,948 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:31:23,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-50.i [2025-01-09 12:31:25,068 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c53e8203d/e4b618dddfde448fbcd2d0e0a74de75a/FLAG32f645e12 [2025-01-09 12:31:25,371 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:31:25,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-50.i [2025-01-09 12:31:25,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c53e8203d/e4b618dddfde448fbcd2d0e0a74de75a/FLAG32f645e12 [2025-01-09 12:31:25,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c53e8203d/e4b618dddfde448fbcd2d0e0a74de75a [2025-01-09 12:31:25,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:31:25,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:31:25,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:25,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:31:25,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:31:25,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e6e23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25, skipping insertion in model container [2025-01-09 12:31:25,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:31:25,501 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_has-floats_file-50.i[917,930] [2025-01-09 12:31:25,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:25,555 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:31:25,564 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_has-floats_file-50.i[917,930] [2025-01-09 12:31:25,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:25,598 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:31:25,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25 WrapperNode [2025-01-09 12:31:25,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:25,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:25,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:31:25,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:31:25,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,639 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2025-01-09 12:31:25,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:25,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:31:25,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:31:25,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:31:25,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,663 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 12:31:25,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:31:25,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:31:25,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:31:25,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:31:25,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (1/1) ... [2025-01-09 12:31:25,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:25,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:31:25,697 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 12:31:25,702 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 12:31:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:31:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:31:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:31:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:31:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:31:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:31:25,762 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:31:25,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:31:25,912 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 12:31:25,912 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:31:25,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:31:25,923 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:31:25,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:25 BoogieIcfgContainer [2025-01-09 12:31:25,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:31:25,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:31:25,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:31:25,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:31:25,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:31:25" (1/3) ... [2025-01-09 12:31:25,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593b551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:25, skipping insertion in model container [2025-01-09 12:31:25,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:25" (2/3) ... [2025-01-09 12:31:25,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593b551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:25, skipping insertion in model container [2025-01-09 12:31:25,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:25" (3/3) ... [2025-01-09 12:31:25,930 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-50.i [2025-01-09 12:31:25,941 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:31:25,942 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-50.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:31:25,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:31:25,986 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;@62cb6a8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:31:25,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:31:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 38 states have (on average 1.263157894736842) internal successors, (48), 39 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:31:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:31:25,997 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:25,997 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:25,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:26,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:26,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1108917457, now seen corresponding path program 1 times [2025-01-09 12:31:26,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:31:26,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436608490] [2025-01-09 12:31:26,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:26,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:31:26,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:26,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:26,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:26,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:26,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-01-09 12:31:26,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:31:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436608490] [2025-01-09 12:31:26,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436608490] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:31:26,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345293035] [2025-01-09 12:31:26,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:26,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:31:26,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:31:26,212 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 12:31:26,214 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 12:31:26,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:26,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:26,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:26,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:26,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:31:26,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:31:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-01-09 12:31:26,397 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:31:26,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345293035] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:26,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:31:26,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:31:26,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633735278] [2025-01-09 12:31:26,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:26,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:31:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:31:26,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:31:26,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:31:26,419 INFO L87 Difference]: Start difference. First operand has 67 states, 38 states have (on average 1.263157894736842) internal successors, (48), 39 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:31:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:26,442 INFO L93 Difference]: Finished difference Result 128 states and 221 transitions. [2025-01-09 12:31:26,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:31:26,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 159 [2025-01-09 12:31:26,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:26,449 INFO L225 Difference]: With dead ends: 128 [2025-01-09 12:31:26,450 INFO L226 Difference]: Without dead ends: 64 [2025-01-09 12:31:26,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 12:31:26,457 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 12:31:26,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:31:26,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-01-09 12:31:26,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-01-09 12:31:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:31:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 95 transitions. [2025-01-09 12:31:26,484 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 95 transitions. Word has length 159 [2025-01-09 12:31:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:26,485 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 95 transitions. [2025-01-09 12:31:26,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:31:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2025-01-09 12:31:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:31:26,488 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:26,489 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:26,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 12:31:26,693 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 12:31:26,693 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:26,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:26,694 INFO L85 PathProgramCache]: Analyzing trace with hash 791958537, now seen corresponding path program 1 times [2025-01-09 12:31:26,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:31:26,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348448460] [2025-01-09 12:31:26,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:26,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:31:26,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:26,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:26,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:26,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-01-09 12:31:26,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:31:26,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348448460] [2025-01-09 12:31:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348448460] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:26,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:31:26,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 12:31:26,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391754514] [2025-01-09 12:31:26,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:26,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 12:31:26,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:31:26,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 12:31:26,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 12:31:26,931 INFO L87 Difference]: Start difference. First operand 64 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 12:31:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:27,076 INFO L93 Difference]: Finished difference Result 197 states and 293 transitions. [2025-01-09 12:31:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 12:31:27,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2025-01-09 12:31:27,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:27,078 INFO L225 Difference]: With dead ends: 197 [2025-01-09 12:31:27,079 INFO L226 Difference]: Without dead ends: 136 [2025-01-09 12:31:27,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 12:31:27,080 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 62 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 12:31:27,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 373 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 12:31:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-01-09 12:31:27,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2025-01-09 12:31:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 68 states have internal predecessors, (81), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-09 12:31:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 185 transitions. [2025-01-09 12:31:27,110 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 185 transitions. Word has length 159 [2025-01-09 12:31:27,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:27,110 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 185 transitions. [2025-01-09 12:31:27,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 12:31:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2025-01-09 12:31:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:31:27,112 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:27,114 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:27,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 12:31:27,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:27,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1472016907, now seen corresponding path program 1 times [2025-01-09 12:31:27,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:31:27,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113554151] [2025-01-09 12:31:27,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:31:27,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:27,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:27,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:27,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:31:27,226 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:31:27,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:27,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:27,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:27,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:31:27,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:31:27,353 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:31:27,353 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:31:27,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 12:31:27,356 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 12:31:27,433 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:31:27,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:31:27 BoogieIcfgContainer [2025-01-09 12:31:27,435 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:31:27,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:31:27,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:31:27,436 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:31:27,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:25" (3/4) ... [2025-01-09 12:31:27,438 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:31:27,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:31:27,439 INFO L158 Benchmark]: Toolchain (without parser) took 2047.28ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 72.5MB in the end (delta: 31.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2025-01-09 12:31:27,439 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:31:27,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.20ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.9MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:31:27,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.79ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:31:27,439 INFO L158 Benchmark]: Boogie Preprocessor took 29.48ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:31:27,439 INFO L158 Benchmark]: RCFGBuilder took 250.70ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 70.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:31:27,440 INFO L158 Benchmark]: TraceAbstraction took 1509.99ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 72.6MB in the end (delta: -2.5MB). Peak memory consumption was 857.2kB. Max. memory is 16.1GB. [2025-01-09 12:31:27,440 INFO L158 Benchmark]: Witness Printer took 2.60ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:31:27,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.20ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.9MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.79ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.48ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 87.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.70ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 70.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1509.99ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 72.6MB in the end (delta: -2.5MB). Peak memory consumption was 857.2kB. Max. memory is 16.1GB. * Witness Printer took 2.60ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 72.5MB in the end (delta: 37.0kB). 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 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 121. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 8.875; [L24] double var_1_3 = 63.5; [L25] double var_1_4 = 16.6; [L26] double var_1_5 = 127.8; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_11 = 0; [L30] signed short int var_1_12 = -2; [L31] signed short int var_1_13 = 64; [L32] signed short int var_1_14 = 2; [L33] signed short int var_1_15 = 4; [L34] signed short int var_1_16 = 26204; [L35] signed short int var_1_17 = 5; [L36] signed long int var_1_18 = -5; [L37] signed long int var_1_19 = 100; [L38] signed long int var_1_20 = 0; [L39] signed long int var_1_21 = 128; [L40] signed long int last_1_var_1_18 = -5; VAL [isInitial=0, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L125] isInitial = 1 [L126] FCALL initially() [L128] CALL updateLastVariables() [L118] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L128] RET updateLastVariables() [L129] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L76] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L77] var_1_3 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L78] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_4=83/5, var_1_5=639/5, var_1_9=1] [L79] var_1_4 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_5=639/5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_5=639/5, var_1_9=1] [L80] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_5=639/5, var_1_9=1] [L81] var_1_5 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L82] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128] [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=0, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L87] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L88] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=0, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L89] var_1_11 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L91] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=64, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L92] var_1_13 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L93] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L94] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=2, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L95] var_1_14 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_14 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L96] RET assume_abort_if_not(var_1_14 >= -32767) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L97] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=4, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L98] var_1_15 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L99] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L100] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=26204, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L101] var_1_16 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L102] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_16 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L103] RET assume_abort_if_not(var_1_16 <= 32766) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=5, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L104] var_1_17 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L105] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_17 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L106] RET assume_abort_if_not(var_1_17 <= 16383) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=100, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L107] var_1_19 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L108] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L109] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L110] var_1_20 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L111] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_20 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L112] RET assume_abort_if_not(var_1_20 <= 536870911) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=128, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L114] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L115] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L44] signed long int stepLocal_1 = last_1_var_1_18; VAL [isInitial=1, last_1_var_1_18=-5, stepLocal_1=-5, var_1_10=1, var_1_11=-256, var_1_12=-2, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L45] COND FALSE !(stepLocal_1 >= 0) [L48] var_1_12 = ((((var_1_13) > ((var_1_15 - (var_1_16 - var_1_17)))) ? (var_1_13) : ((var_1_15 - (var_1_16 - var_1_17))))) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L50] signed long int stepLocal_3 = var_1_15 - var_1_19; [L51] signed short int stepLocal_2 = var_1_12; VAL [isInitial=1, last_1_var_1_18=-5, stepLocal_2=4, stepLocal_3=16386, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=-5, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L52] COND FALSE !(var_1_12 > stepLocal_3) [L57] var_1_18 = var_1_14 VAL [isInitial=1, last_1_var_1_18=-5, stepLocal_2=4, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=32766, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L59] signed long int stepLocal_0 = (((var_1_12) > (var_1_18)) ? (var_1_12) : (var_1_18)); VAL [isInitial=1, last_1_var_1_18=-5, stepLocal_0=32766, stepLocal_2=4, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=32766, var_1_19=0, var_1_1=1, var_1_20=0, var_1_21=0, var_1_9=1] [L60] COND FALSE !((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) [L71] var_1_1 = var_1_11 VAL [isInitial=1, last_1_var_1_18=-5, stepLocal_0=32766, stepLocal_2=4, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=32766, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_9=1] [L130] RET step() [L131] CALL, EXPR property() [L121-L122] return ((((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) ? ((((((var_1_12) > (var_1_18)) ? (var_1_12) : (var_1_18))) < var_1_18) ? (var_1_9 ? (var_1_1 == ((unsigned char) var_1_10)) : (var_1_1 == ((unsigned char) var_1_10))) : (var_1_1 == ((unsigned char) var_1_10))) : (var_1_1 == ((unsigned char) var_1_11))) && ((last_1_var_1_18 >= 0) ? (var_1_12 == ((signed short int) ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))))) : (var_1_12 == ((signed short int) ((((var_1_13) > ((var_1_15 - (var_1_16 - var_1_17)))) ? (var_1_13) : ((var_1_15 - (var_1_16 - var_1_17))))))))) && ((var_1_12 > (var_1_15 - var_1_19)) ? ((var_1_13 < var_1_12) ? (var_1_18 == ((signed long int) ((var_1_17 + (var_1_16 + var_1_20)) - var_1_21))) : 1) : (var_1_18 == ((signed long int) var_1_14))) ; VAL [\result=0, isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=32766, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_9=1] [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=32766, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=-5, var_1_10=1, var_1_11=-256, var_1_12=4, var_1_13=4, var_1_14=32766, var_1_15=16386, var_1_16=32766, var_1_17=16383, var_1_18=32766, var_1_19=0, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 468 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 195 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=2, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 636 NumberOfCodeBlocks, 636 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 474 ConstructedInterpolants, 0 QuantifiedInterpolants, 658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 353 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3850/3900 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 12:31:27,457 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_has-floats_file-50.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 3ee6bf6011580eaa6570c3402c462e285b418b31675b2c310f08d8862af6b7b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:31:29,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:31:29,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:31:29,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:31:29,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:31:29,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:31:29,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:31:29,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:31:29,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:31:29,467 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:31:29,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:31:29,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:31:29,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:31:29,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:31:29,467 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:31:29,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:31:29,468 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:31:29,469 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:29,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:31:29,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:29,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:31:29,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:31:29,470 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 -> 3ee6bf6011580eaa6570c3402c462e285b418b31675b2c310f08d8862af6b7b0 [2025-01-09 12:31:29,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:31:29,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:31:29,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:31:29,677 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:31:29,677 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:31:29,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-50.i [2025-01-09 12:31:30,821 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/953220855/82f3af1128f44772aff068969bbe187e/FLAG176dfd477 [2025-01-09 12:31:31,012 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:31:31,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-50.i [2025-01-09 12:31:31,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/953220855/82f3af1128f44772aff068969bbe187e/FLAG176dfd477 [2025-01-09 12:31:31,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/953220855/82f3af1128f44772aff068969bbe187e [2025-01-09 12:31:31,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:31:31,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:31:31,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:31,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:31:31,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:31:31,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bafa3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31, skipping insertion in model container [2025-01-09 12:31:31,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:31:31,509 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_has-floats_file-50.i[917,930] [2025-01-09 12:31:31,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:31,553 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:31:31,560 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_has-floats_file-50.i[917,930] [2025-01-09 12:31:31,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:31,592 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:31:31,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31 WrapperNode [2025-01-09 12:31:31,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:31,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:31,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:31:31,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:31:31,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,633 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2025-01-09 12:31:31,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:31,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:31:31,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:31:31,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:31:31,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,655 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 12:31:31,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,671 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:31:31,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:31:31,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:31:31,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:31:31,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (1/1) ... [2025-01-09 12:31:31,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:31,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:31:31,716 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 12:31:31,719 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 12:31:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:31:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:31:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:31:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:31:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:31:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:31:31,783 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:31:31,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:31:33,414 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-01-09 12:31:33,414 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:31:33,424 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:31:33,425 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:31:33,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:33 BoogieIcfgContainer [2025-01-09 12:31:33,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:31:33,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:31:33,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:31:33,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:31:33,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:31:31" (1/3) ... [2025-01-09 12:31:33,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a5db0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:33, skipping insertion in model container [2025-01-09 12:31:33,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:31" (2/3) ... [2025-01-09 12:31:33,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a5db0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:33, skipping insertion in model container [2025-01-09 12:31:33,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:33" (3/3) ... [2025-01-09 12:31:33,434 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-50.i [2025-01-09 12:31:33,443 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:31:33,445 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-50.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:31:33,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:31:33,486 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;@592d3f7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:31:33,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:31:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 38 states have (on average 1.263157894736842) internal successors, (48), 39 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:31:33,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:31:33,499 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:33,499 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:33,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:33,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:33,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1108917457, now seen corresponding path program 1 times [2025-01-09 12:31:33,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:31:33,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017588903] [2025-01-09 12:31:33,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:33,517 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 12:31:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:31:33,523 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 12:31:33,524 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 12:31:33,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:33,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:33,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:33,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:33,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:31:33,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:31:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2025-01-09 12:31:33,828 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:31:33,828 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:31:33,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017588903] [2025-01-09 12:31:33,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017588903] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:33,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:31:33,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:31:33,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963126792] [2025-01-09 12:31:33,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:33,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:31:33,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:31:33,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:31:33,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:31:33,855 INFO L87 Difference]: Start difference. First operand has 67 states, 38 states have (on average 1.263157894736842) internal successors, (48), 39 states have internal predecessors, (48), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:31:33,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:33,875 INFO L93 Difference]: Finished difference Result 128 states and 221 transitions. [2025-01-09 12:31:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:31:33,877 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 159 [2025-01-09 12:31:33,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:33,881 INFO L225 Difference]: With dead ends: 128 [2025-01-09 12:31:33,881 INFO L226 Difference]: Without dead ends: 64 [2025-01-09 12:31:33,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 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 12:31:33,884 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 12:31:33,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:31:33,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-01-09 12:31:33,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-01-09 12:31:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:31:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 95 transitions. [2025-01-09 12:31:33,912 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 95 transitions. Word has length 159 [2025-01-09 12:31:33,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:33,912 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 95 transitions. [2025-01-09 12:31:33,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:31:33,913 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2025-01-09 12:31:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:31:33,914 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:33,915 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:33,924 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-01-09 12:31:34,115 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 12:31:34,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:34,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:34,117 INFO L85 PathProgramCache]: Analyzing trace with hash 791958537, now seen corresponding path program 1 times [2025-01-09 12:31:34,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:31:34,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643759262] [2025-01-09 12:31:34,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:34,117 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 12:31:34,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:31:34,123 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 12:31:34,124 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 12:31:34,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:34,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:34,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:34,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:34,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 12:31:34,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:31:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-01-09 12:31:34,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:31:34,736 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:31:34,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643759262] [2025-01-09 12:31:34,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643759262] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:34,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:31:34,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 12:31:34,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449981310] [2025-01-09 12:31:34,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:34,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 12:31:34,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:31:34,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 12:31:34,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 12:31:34,738 INFO L87 Difference]: Start difference. First operand 64 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 12:31:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:36,964 INFO L93 Difference]: Finished difference Result 197 states and 293 transitions. [2025-01-09 12:31:36,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 12:31:36,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2025-01-09 12:31:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:36,985 INFO L225 Difference]: With dead ends: 197 [2025-01-09 12:31:36,985 INFO L226 Difference]: Without dead ends: 136 [2025-01-09 12:31:36,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 12:31:36,987 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 59 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-01-09 12:31:36,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 373 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-01-09 12:31:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-01-09 12:31:37,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2025-01-09 12:31:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 68 states have internal predecessors, (81), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-09 12:31:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 185 transitions. [2025-01-09 12:31:37,020 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 185 transitions. Word has length 159 [2025-01-09 12:31:37,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:37,021 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 185 transitions. [2025-01-09 12:31:37,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 12:31:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2025-01-09 12:31:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:31:37,024 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:37,025 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:37,034 INFO L540 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)] Forceful destruction successful, exit code 0 [2025-01-09 12:31:37,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-01-09 12:31:37,226 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:37,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:37,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1472016907, now seen corresponding path program 1 times [2025-01-09 12:31:37,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:31:37,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [771737172] [2025-01-09 12:31:37,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:37,228 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 12:31:37,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:31:37,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-01-09 12:31:37,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2025-01-09 12:31:37,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:31:37,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:31:37,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:37,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:37,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 12:31:37,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:32:02,170 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)