./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-49.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-49.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 80b841c5351f7559458077a7f3466da52c119d100c994b143348346583d98b3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:31:13,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:31:13,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:31:13,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:31:13,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:31:13,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:31:13,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:31:13,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:31:13,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:31:13,437 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:31:13,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:31:13,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:31:13,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:31:13,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:31:13,438 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:31:13,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:31:13,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:31:13,438 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:31:13,439 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:31:13,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:13,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:13,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:31:13,440 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:31:13,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:31:13,441 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:31:13,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:31:13,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:31:13,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:31:13,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:31:13,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:31:13,441 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 -> 80b841c5351f7559458077a7f3466da52c119d100c994b143348346583d98b3d [2025-01-09 12:31:13,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:31:13,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:31:13,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:31:13,687 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:31:13,687 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:31:13,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-49.i [2025-01-09 12:31:14,820 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/60b71de67/3fc53427f58a47cdae0c2032076b42f5/FLAGafcf5854e [2025-01-09 12:31:15,060 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:31:15,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-49.i [2025-01-09 12:31:15,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/60b71de67/3fc53427f58a47cdae0c2032076b42f5/FLAGafcf5854e [2025-01-09 12:31:15,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/60b71de67/3fc53427f58a47cdae0c2032076b42f5 [2025-01-09 12:31:15,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:31:15,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:31:15,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:15,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:31:15,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:31:15,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768af735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15, skipping insertion in model container [2025-01-09 12:31:15,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:31:15,570 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-49.i[917,930] [2025-01-09 12:31:15,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:15,627 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:31:15,635 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-49.i[917,930] [2025-01-09 12:31:15,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:15,675 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:31:15,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15 WrapperNode [2025-01-09 12:31:15,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:15,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:15,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:31:15,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:31:15,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,733 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2025-01-09 12:31:15,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:15,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:31:15,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:31:15,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:31:15,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,759 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 12:31:15,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,768 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:31:15,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:31:15,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:31:15,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:31:15,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (1/1) ... [2025-01-09 12:31:15,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:15,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:31:15,806 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 12:31:15,815 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 12:31:15,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:31:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:31:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:31:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:31:15,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:31:15,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:31:15,880 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:31:15,882 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:31:16,096 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:31:16,096 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:31:16,105 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:31:16,106 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:31:16,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:16 BoogieIcfgContainer [2025-01-09 12:31:16,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:31:16,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:31:16,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:31:16,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:31:16,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:31:15" (1/3) ... [2025-01-09 12:31:16,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683152d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:16, skipping insertion in model container [2025-01-09 12:31:16,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:15" (2/3) ... [2025-01-09 12:31:16,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@683152d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:16, skipping insertion in model container [2025-01-09 12:31:16,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:16" (3/3) ... [2025-01-09 12:31:16,117 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-49.i [2025-01-09 12:31:16,128 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:31:16,130 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-49.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:31:16,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:31:16,172 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;@59143574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:31:16,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:31:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:31:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 12:31:16,181 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:16,181 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:16,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:16,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1244876330, now seen corresponding path program 1 times [2025-01-09 12:31:16,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:31:16,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941374041] [2025-01-09 12:31:16,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:31:16,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 12:31:16,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 12:31:16,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:16,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-01-09 12:31:16,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:31:16,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941374041] [2025-01-09 12:31:16,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941374041] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:31:16,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810690882] [2025-01-09 12:31:16,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:16,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:31:16,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:31:16,355 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 12:31:16,362 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 12:31:16,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 12:31:16,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 12:31:16,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:16,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:16,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:31:16,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:31:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-01-09 12:31:16,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:31:16,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810690882] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:16,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:31:16,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:31:16,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342006529] [2025-01-09 12:31:16,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:16,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:31:16,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:31:16,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:31:16,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:31:16,490 INFO L87 Difference]: Start difference. First operand has 53 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 12:31:16,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:16,503 INFO L93 Difference]: Finished difference Result 100 states and 163 transitions. [2025-01-09 12:31:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:31:16,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2025-01-09 12:31:16,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:16,508 INFO L225 Difference]: With dead ends: 100 [2025-01-09 12:31:16,508 INFO L226 Difference]: Without dead ends: 50 [2025-01-09 12:31:16,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 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 12:31:16,512 INFO L435 NwaCegarLoop]: 72 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, 72 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 12:31:16,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:31:16,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-01-09 12:31:16,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-01-09 12:31:16,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:31:16,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2025-01-09 12:31:16,546 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 93 [2025-01-09 12:31:16,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:16,547 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2025-01-09 12:31:16,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 12:31:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2025-01-09 12:31:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 12:31:16,552 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:16,552 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:16,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 12:31:16,753 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 12:31:16,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:16,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:16,754 INFO L85 PathProgramCache]: Analyzing trace with hash -962405678, now seen corresponding path program 1 times [2025-01-09 12:31:16,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:31:16,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936147976] [2025-01-09 12:31:16,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:16,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:31:16,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 12:31:16,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 12:31:16,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:16,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-01-09 12:31:17,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:31:17,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936147976] [2025-01-09 12:31:17,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936147976] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:17,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:31:17,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 12:31:17,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809574657] [2025-01-09 12:31:17,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:17,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 12:31:17,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:31:17,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 12:31:17,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 12:31:17,107 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 12:31:17,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:17,238 INFO L93 Difference]: Finished difference Result 105 states and 148 transitions. [2025-01-09 12:31:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 12:31:17,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 93 [2025-01-09 12:31:17,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:17,242 INFO L225 Difference]: With dead ends: 105 [2025-01-09 12:31:17,242 INFO L226 Difference]: Without dead ends: 58 [2025-01-09 12:31:17,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-09 12:31:17,243 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 52 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 12:31:17,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 127 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 12:31:17,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-01-09 12:31:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2025-01-09 12:31:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:31:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2025-01-09 12:31:17,257 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 93 [2025-01-09 12:31:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:17,258 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2025-01-09 12:31:17,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 12:31:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2025-01-09 12:31:17,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-09 12:31:17,259 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:17,260 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:17,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 12:31:17,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:17,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:17,261 INFO L85 PathProgramCache]: Analyzing trace with hash -31288632, now seen corresponding path program 1 times [2025-01-09 12:31:17,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:31:17,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528567669] [2025-01-09 12:31:17,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:17,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:31:17,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-09 12:31:17,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-09 12:31:17,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:17,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:31:17,318 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:31:17,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-09 12:31:17,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-09 12:31:17,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:17,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:31:17,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:31:17,397 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:31:17,397 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:31:17,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 12:31:17,401 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 12:31:17,458 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:31:17,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:31:17 BoogieIcfgContainer [2025-01-09 12:31:17,460 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:31:17,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:31:17,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:31:17,461 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:31:17,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:16" (3/4) ... [2025-01-09 12:31:17,463 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:31:17,464 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:31:17,464 INFO L158 Benchmark]: Toolchain (without parser) took 2061.62ms. Allocated memory is still 201.3MB. Free memory was 159.4MB in the beginning and 107.7MB in the end (delta: 51.7MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2025-01-09 12:31:17,464 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 218.1MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:31:17,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.92ms. Allocated memory is still 201.3MB. Free memory was 159.1MB in the beginning and 145.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:31:17,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.13ms. Allocated memory is still 201.3MB. Free memory was 145.6MB in the beginning and 141.9MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:31:17,465 INFO L158 Benchmark]: Boogie Preprocessor took 47.72ms. Allocated memory is still 201.3MB. Free memory was 141.9MB in the beginning and 134.7MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:31:17,465 INFO L158 Benchmark]: RCFGBuilder took 325.69ms. Allocated memory is still 201.3MB. Free memory was 134.7MB in the beginning and 114.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 12:31:17,465 INFO L158 Benchmark]: TraceAbstraction took 1350.57ms. Allocated memory is still 201.3MB. Free memory was 114.0MB in the beginning and 107.7MB in the end (delta: 6.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2025-01-09 12:31:17,466 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 201.3MB. Free memory was 107.7MB in the beginning and 107.7MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:31:17,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 218.1MB. Free memory is still 135.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.92ms. Allocated memory is still 201.3MB. Free memory was 159.1MB in the beginning and 145.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.13ms. Allocated memory is still 201.3MB. Free memory was 145.6MB in the beginning and 141.9MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.72ms. Allocated memory is still 201.3MB. Free memory was 141.9MB in the beginning and 134.7MB in the end (delta: 7.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.69ms. Allocated memory is still 201.3MB. Free memory was 134.7MB in the beginning and 114.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1350.57ms. Allocated memory is still 201.3MB. Free memory was 114.0MB in the beginning and 107.7MB in the end (delta: 6.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 201.3MB. Free memory was 107.7MB in the beginning and 107.7MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] float var_1_2 = 1000000000.4; [L24] float var_1_3 = 1000.2; [L25] unsigned short int var_1_4 = 256; [L26] unsigned short int var_1_5 = 4; [L27] unsigned short int var_1_6 = 10; [L28] signed short int var_1_8 = 128; [L29] signed short int var_1_9 = -2; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] unsigned char var_1_12 = 0; [L33] unsigned char var_1_13 = 1; VAL [isInitial=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_2=5000000002/5, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L95] isInitial = 1 [L96] FCALL initially() [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L66] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L67] var_1_3 = __VERIFIER_nondet_float() [L68] 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, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L68] 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, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L69] var_1_4 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L70] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L71] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L71] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L72] var_1_5 = __VERIFIER_nondet_ushort() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_6=10, var_1_8=128, var_1_9=-2] [L74] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=10, var_1_8=128, var_1_9=-2] [L74] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=10, var_1_8=128, var_1_9=-2] [L75] var_1_6 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_8=128, var_1_9=-2] [L76] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_8=128, var_1_9=-2] [L77] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=-2] [L77] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=-2] [L78] var_1_9 = __VERIFIER_nondet_short() [L79] CALL assume_abort_if_not(var_1_9 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L79] RET assume_abort_if_not(var_1_9 >= -32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L80] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L80] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L82] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L83] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L83] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L86] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L86] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=128, var_1_9=32766] [L99] RET updateVariables() [L100] CALL step() [L37] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L38] EXPR 50 >> var_1_4 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L38] COND TRUE (50 >> var_1_4) <= var_1_8 [L39] var_1_10 = ((! (! var_1_11)) || var_1_12) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L43] COND TRUE ! var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L44] COND TRUE var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8))) [L45] var_1_13 = (var_1_10 && var_1_11) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=4, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L50] COND FALSE !(var_1_2 >= 64.5f) [L61] var_1_1 = 50 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR (((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11)))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L91-L92] return ((((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11))))) && ((! var_1_12) ? ((var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8)))) ? (var_1_13 == ((unsigned char) (var_1_10 && var_1_11))) : (var_1_13 == ((unsigned char) var_1_11))) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=0, var_1_5=65534, var_1_6=0, var_1_8=32766, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 124 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 214 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1066/1092 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 12:31:17,479 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-49.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 80b841c5351f7559458077a7f3466da52c119d100c994b143348346583d98b3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:31:19,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:31:19,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:31:19,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:31:19,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:31:19,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:31:19,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:31:19,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:31:19,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:31:19,404 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:31:19,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:31:19,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:31:19,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:31:19,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:31:19,408 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:31:19,409 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:19,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:19,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:31:19,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:31:19,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:31:19,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:31:19,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:31:19,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:31:19,410 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 -> 80b841c5351f7559458077a7f3466da52c119d100c994b143348346583d98b3d [2025-01-09 12:31:19,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:31:19,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:31:19,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:31:19,640 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:31:19,640 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:31:19,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-49.i [2025-01-09 12:31:20,814 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b97fe6bda/b78960c2e52a49e295cedf714ba4bf38/FLAG34e8c946b [2025-01-09 12:31:20,998 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:31:20,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-49.i [2025-01-09 12:31:21,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b97fe6bda/b78960c2e52a49e295cedf714ba4bf38/FLAG34e8c946b [2025-01-09 12:31:21,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b97fe6bda/b78960c2e52a49e295cedf714ba4bf38 [2025-01-09 12:31:21,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:31:21,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:31:21,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:21,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:31:21,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:31:21,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed7864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21, skipping insertion in model container [2025-01-09 12:31:21,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:31:21,506 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-49.i[917,930] [2025-01-09 12:31:21,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:21,570 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:31:21,578 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-49.i[917,930] [2025-01-09 12:31:21,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:31:21,612 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:31:21,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21 WrapperNode [2025-01-09 12:31:21,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:31:21,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:21,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:31:21,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:31:21,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,643 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2025-01-09 12:31:21,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:31:21,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:31:21,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:31:21,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:31:21,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,658 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 12:31:21,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,664 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:31:21,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:31:21,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:31:21,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:31:21,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (1/1) ... [2025-01-09 12:31:21,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:31:21,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:31:21,699 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 12:31:21,703 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 12:31:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:31:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:31:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:31:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:31:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:31:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:31:21,774 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:31:21,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:31:21,918 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-01-09 12:31:21,918 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:31:21,924 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:31:21,924 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:31:21,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:21 BoogieIcfgContainer [2025-01-09 12:31:21,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:31:21,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:31:21,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:31:21,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:31:21,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:31:21" (1/3) ... [2025-01-09 12:31:21,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102d154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:21, skipping insertion in model container [2025-01-09 12:31:21,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:31:21" (2/3) ... [2025-01-09 12:31:21,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102d154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:31:21, skipping insertion in model container [2025-01-09 12:31:21,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:31:21" (3/3) ... [2025-01-09 12:31:21,931 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-49.i [2025-01-09 12:31:21,941 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:31:21,942 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-49.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:31:21,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:31:21,981 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;@366ea771, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:31:21,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:31:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:31:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-01-09 12:31:21,990 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:21,990 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:21,991 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:21,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:21,994 INFO L85 PathProgramCache]: Analyzing trace with hash -484415008, now seen corresponding path program 1 times [2025-01-09 12:31:22,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:31:22,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19232121] [2025-01-09 12:31:22,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:22,002 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 12:31:22,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:31:22,010 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 12:31:22,011 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 12:31:22,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-09 12:31:22,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-09 12:31:22,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:22,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:22,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:31:22,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:31:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-01-09 12:31:22,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:31:22,216 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:31:22,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19232121] [2025-01-09 12:31:22,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19232121] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:22,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:31:22,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:31:22,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908124614] [2025-01-09 12:31:22,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:22,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:31:22,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:31:22,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:31:22,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:31:22,241 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 12:31:22,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:22,260 INFO L93 Difference]: Finished difference Result 86 states and 143 transitions. [2025-01-09 12:31:22,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:31:22,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 90 [2025-01-09 12:31:22,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:22,265 INFO L225 Difference]: With dead ends: 86 [2025-01-09 12:31:22,265 INFO L226 Difference]: Without dead ends: 43 [2025-01-09 12:31:22,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 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 12:31:22,271 INFO L435 NwaCegarLoop]: 62 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, 62 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 12:31:22,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:31:22,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-01-09 12:31:22,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2025-01-09 12:31:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:31:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 62 transitions. [2025-01-09 12:31:22,324 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 62 transitions. Word has length 90 [2025-01-09 12:31:22,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:22,325 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 62 transitions. [2025-01-09 12:31:22,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 12:31:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2025-01-09 12:31:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-01-09 12:31:22,328 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:22,328 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:22,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-01-09 12:31:22,532 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 12:31:22,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:22,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:22,533 INFO L85 PathProgramCache]: Analyzing trace with hash -587775388, now seen corresponding path program 1 times [2025-01-09 12:31:22,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:31:22,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20238673] [2025-01-09 12:31:22,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:22,534 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 12:31:22,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:31:22,538 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 12:31:22,540 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 12:31:22,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-09 12:31:22,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-09 12:31:22,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:22,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:22,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 12:31:22,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:31:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-01-09 12:31:22,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:31:22,716 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:31:22,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20238673] [2025-01-09 12:31:22,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20238673] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:31:22,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:31:22,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 12:31:22,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314133199] [2025-01-09 12:31:22,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:31:22,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 12:31:22,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:31:22,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 12:31:22,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 12:31:22,718 INFO L87 Difference]: Start difference. First operand 43 states and 62 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 12:31:22,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:31:22,843 INFO L93 Difference]: Finished difference Result 91 states and 128 transitions. [2025-01-09 12:31:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 12:31:22,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 90 [2025-01-09 12:31:22,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:31:22,844 INFO L225 Difference]: With dead ends: 91 [2025-01-09 12:31:22,844 INFO L226 Difference]: Without dead ends: 51 [2025-01-09 12:31:22,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-09 12:31:22,846 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 43 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 12:31:22,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 99 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 12:31:22,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-01-09 12:31:22,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2025-01-09 12:31:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 12:31:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 64 transitions. [2025-01-09 12:31:22,856 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 64 transitions. Word has length 90 [2025-01-09 12:31:22,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:31:22,856 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 64 transitions. [2025-01-09 12:31:22,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2025-01-09 12:31:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2025-01-09 12:31:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-09 12:31:22,857 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:31:22,857 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:22,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-01-09 12:31:23,057 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 12:31:23,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:31:23,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:31:23,059 INFO L85 PathProgramCache]: Analyzing trace with hash -183013515, now seen corresponding path program 1 times [2025-01-09 12:31:23,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:31:23,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33498685] [2025-01-09 12:31:23,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:31:23,060 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 12:31:23,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:31:23,064 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 12:31:23,065 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 12:31:23,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-09 12:31:23,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-09 12:31:23,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:31:23,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:31:23,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-09 12:31:23,176 INFO L279 TraceCheckSpWp]: Computing forward predicates...