./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.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 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:43:58,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:43:58,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 12:43:58,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:43:58,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:43:58,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:43:58,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:43:58,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:43:58,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:43:58,555 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:43:58,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:43:58,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:43:58,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:43:58,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:43:58,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:43:58,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:43:58,558 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:43:58,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:43:58,558 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:43:58,558 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:43:58,558 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:43:58,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:58,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:58,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:43:58,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:43:58,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 12:43:58,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 12:43:58,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:43:58,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:43:58,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:43:58,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:43:58,560 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 -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2025-01-09 12:43:58,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:43:58,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:43:58,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:43:58,779 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:43:58,780 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:43:58,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-01-09 12:43:59,894 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb57fa34b/50cd5f7fbbe940edbe4ded191b69fd6f/FLAG980e515fd [2025-01-09 12:44:00,137 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:44:00,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-01-09 12:44:00,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb57fa34b/50cd5f7fbbe940edbe4ded191b69fd6f/FLAG980e515fd [2025-01-09 12:44:00,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cb57fa34b/50cd5f7fbbe940edbe4ded191b69fd6f [2025-01-09 12:44:00,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:44:00,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:44:00,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:44:00,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:44:00,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:44:00,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b69775d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00, skipping insertion in model container [2025-01-09 12:44:00,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:44:00,581 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-01-09 12:44:00,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:44:00,640 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:44:00,647 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-01-09 12:44:00,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:44:00,673 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:44:00,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00 WrapperNode [2025-01-09 12:44:00,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:44:00,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:44:00,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:44:00,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:44:00,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,716 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2025-01-09 12:44:00,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:44:00,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:44:00,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:44:00,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:44:00,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,737 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 12:44:00,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,742 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:44:00,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:44:00,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:44:00,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:44:00,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (1/1) ... [2025-01-09 12:44:00,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:44:00,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:44:00,792 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 12:44:00,795 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 12:44:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:44:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:44:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:44:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 12:44:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:44:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:44:00,872 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:44:00,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:44:01,047 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:44:01,047 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:44:01,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:44:01,058 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:44:01,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:44:01 BoogieIcfgContainer [2025-01-09 12:44:01,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:44:01,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:44:01,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:44:01,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:44:01,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:44:00" (1/3) ... [2025-01-09 12:44:01,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346c6fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:44:01, skipping insertion in model container [2025-01-09 12:44:01,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:00" (2/3) ... [2025-01-09 12:44:01,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346c6fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:44:01, skipping insertion in model container [2025-01-09 12:44:01,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:44:01" (3/3) ... [2025-01-09 12:44:01,066 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2025-01-09 12:44:01,078 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:44:01,080 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-61.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:44:01,119 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:44:01,130 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;@2fa8c451, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:44:01,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:44:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:44:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 12:44:01,143 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:44:01,143 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:44:01,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:44:01,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:44:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash 661664146, now seen corresponding path program 1 times [2025-01-09 12:44:01,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:44:01,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737030096] [2025-01-09 12:44:01,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:44:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:44:01,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 12:44:01,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 12:44:01,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:01,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:44:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-01-09 12:44:01,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 12:44:01,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737030096] [2025-01-09 12:44:01,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737030096] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 12:44:01,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393914616] [2025-01-09 12:44:01,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:44:01,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 12:44:01,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:44:01,360 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 12:44:01,362 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 12:44:01,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 12:44:01,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 12:44:01,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:01,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:44:01,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:44:01,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:44:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2025-01-09 12:44:01,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:44:01,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393914616] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:44:01,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 12:44:01,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 12:44:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643998677] [2025-01-09 12:44:01,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:44:01,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:44:01,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 12:44:01,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:44:01,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:44:01,559 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:44:01,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:44:01,574 INFO L93 Difference]: Finished difference Result 122 states and 213 transitions. [2025-01-09 12:44:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:44:01,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2025-01-09 12:44:01,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:44:01,579 INFO L225 Difference]: With dead ends: 122 [2025-01-09 12:44:01,579 INFO L226 Difference]: Without dead ends: 61 [2025-01-09 12:44:01,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:44:01,583 INFO L435 NwaCegarLoop]: 89 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, 89 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 12:44:01,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:44:01,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-01-09 12:44:01,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-01-09 12:44:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:44:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2025-01-09 12:44:01,607 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2025-01-09 12:44:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:44:01,607 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2025-01-09 12:44:01,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:44:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2025-01-09 12:44:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:44:01,609 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:44:01,609 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:44:01,616 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 12:44:01,814 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 12:44:01,814 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:44:01,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:44:01,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1716830352, now seen corresponding path program 1 times [2025-01-09 12:44:01,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 12:44:01,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498502872] [2025-01-09 12:44:01,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:44:01,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 12:44:01,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:44:01,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:44:01,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:01,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:44:01,974 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:44:01,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:44:02,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:44:02,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:02,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:44:02,134 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 12:44:02,134 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 12:44:02,135 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 12:44:02,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 12:44:02,138 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 12:44:02,226 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 12:44:02,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 12:44:02 BoogieIcfgContainer [2025-01-09 12:44:02,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 12:44:02,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 12:44:02,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 12:44:02,232 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 12:44:02,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:44:01" (3/4) ... [2025-01-09 12:44:02,235 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 12:44:02,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 12:44:02,236 INFO L158 Benchmark]: Toolchain (without parser) took 1769.62ms. Allocated memory is still 201.3MB. Free memory was 154.8MB in the beginning and 128.7MB in the end (delta: 26.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2025-01-09 12:44:02,236 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:44:02,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.53ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 141.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:44:02,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.30ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 138.4MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 12:44:02,236 INFO L158 Benchmark]: Boogie Preprocessor took 43.14ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 134.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:44:02,237 INFO L158 Benchmark]: RCFGBuilder took 298.02ms. Allocated memory is still 201.3MB. Free memory was 134.1MB in the beginning and 115.3MB in the end (delta: 18.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 12:44:02,237 INFO L158 Benchmark]: TraceAbstraction took 1171.14ms. Allocated memory is still 201.3MB. Free memory was 114.5MB in the beginning and 129.9MB in the end (delta: -15.4MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2025-01-09 12:44:02,237 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 201.3MB. Free memory was 128.8MB in the beginning and 128.7MB in the end (delta: 60.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 12:44:02,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.53ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 141.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.30ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 138.4MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.14ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 134.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.02ms. Allocated memory is still 201.3MB. Free memory was 134.1MB in the beginning and 115.3MB in the end (delta: 18.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1171.14ms. Allocated memory is still 201.3MB. Free memory was 114.5MB in the beginning and 129.9MB in the end (delta: -15.4MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 201.3MB. Free memory was 128.8MB in the beginning and 128.7MB in the end (delta: 60.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 56, overapproximation of to_int at line 114. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 8; [L27] unsigned char var_1_9 = 128; [L28] unsigned char var_1_10 = 64; [L29] unsigned char var_1_11 = 100; [L30] unsigned char var_1_12 = 5; [L31] unsigned char var_1_13 = 100; [L32] unsigned char var_1_14 = 32; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 50; [L35] unsigned char var_1_17 = 8; [L36] unsigned char var_1_18 = 0; [L37] signed char var_1_19 = 0; [L38] signed long int var_1_20 = 255; [L39] signed long int var_1_21 = 255; [L40] unsigned short int var_1_22 = 64; [L41] signed long int var_1_23 = 32; VAL [isInitial=0, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L118] isInitial = 1 [L119] FCALL initially() [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L71] var_1_4 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L81] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L84] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L85] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L85] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L86] var_1_12 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L87] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L88] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L88] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L89] var_1_13 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L91] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L91] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L93] RET assume_abort_if_not(var_1_14 >= 32) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L95] var_1_15 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_15 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L96] RET assume_abort_if_not(var_1_15 >= 32) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L97] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L97] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L98] var_1_16 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_16 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L99] RET assume_abort_if_not(var_1_16 >= 32) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L101] var_1_17 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L103] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L103] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L104] var_1_18 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L105] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L106] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L106] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L107] var_1_21 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_21 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L108] RET assume_abort_if_not(var_1_21 >= -2147483648) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L109] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L109] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=-129, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L122] RET updateVariables() [L123] CALL step() [L45] COND TRUE \read(var_1_6) [L46] var_1_11 = (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))) VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L50] unsigned char stepLocal_0 = var_1_6 || var_1_4; VAL [isInitial=1, stepLocal_0=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L51] COND TRUE var_1_5 || stepLocal_0 [L52] var_1_19 = var_1_15 VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_18 [L56] var_1_23 = 0.010000000000000009 VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=63, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L57] COND FALSE !(var_1_20 < var_1_20) VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=63, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L60] COND TRUE var_1_20 >= var_1_20 [L61] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=63, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L66] COND FALSE !(var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L123] RET step() [L124] CALL, EXPR property() [L114-L115] return (((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : ((var_1_20 >= var_1_20) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_6)))) && ((var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) ? (var_1_7 == ((unsigned char) (var_1_9 - var_1_10))) : 1)) && (var_1_6 ? (var_1_11 == ((unsigned char) (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) : (var_1_11 == ((unsigned char) (((64 + var_1_14) + (var_1_15 + var_1_16)) - (var_1_17 + var_1_18)))))) && ((var_1_5 || (var_1_6 || var_1_4)) ? (var_1_19 == ((signed char) var_1_15)) : 1)) && (var_1_20 == ((signed long int) var_1_21))) && (var_1_22 == ((unsigned short int) var_1_18))) && (var_1_23 == ((signed long int) 0.010000000000000009)) ; VAL [\result=0, isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] [L19] reach_error() VAL [isInitial=1, var_1_10=-129, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=63, var_1_15=32832, var_1_16=63, var_1_17=-192, var_1_18=63, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=63, var_1_23=1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=32895] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 89 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 343 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2550/2600 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 12:44:02,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.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 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 12:44:04,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 12:44:04,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 12:44:04,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 12:44:04,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 12:44:04,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 12:44:04,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 12:44:04,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 12:44:04,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 12:44:04,104 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 12:44:04,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 12:44:04,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 12:44:04,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 12:44:04,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 12:44:04,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 12:44:04,105 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 12:44:04,106 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:44:04,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:44:04,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 12:44:04,106 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 12:44:04,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 12:44:04,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 12:44:04,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 12:44:04,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 12:44:04,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 12:44:04,107 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 -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2025-01-09 12:44:04,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 12:44:04,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 12:44:04,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 12:44:04,336 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 12:44:04,337 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 12:44:04,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-01-09 12:44:05,471 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ecfe80235/ec6bf48189c04d7eb99a038aca5b0836/FLAG50238de2f [2025-01-09 12:44:05,648 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 12:44:05,648 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2025-01-09 12:44:05,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ecfe80235/ec6bf48189c04d7eb99a038aca5b0836/FLAG50238de2f [2025-01-09 12:44:05,670 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ecfe80235/ec6bf48189c04d7eb99a038aca5b0836 [2025-01-09 12:44:05,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 12:44:05,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 12:44:05,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 12:44:05,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 12:44:05,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 12:44:05,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5198b0c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05, skipping insertion in model container [2025-01-09 12:44:05,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 12:44:05,809 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-01-09 12:44:05,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:44:05,869 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 12:44:05,879 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2025-01-09 12:44:05,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 12:44:05,924 INFO L204 MainTranslator]: Completed translation [2025-01-09 12:44:05,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05 WrapperNode [2025-01-09 12:44:05,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 12:44:05,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 12:44:05,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 12:44:05,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 12:44:05,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,967 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2025-01-09 12:44:05,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 12:44:05,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 12:44:05,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 12:44:05,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 12:44:05,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,996 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 12:44:05,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:05,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:06,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:06,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:06,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:06,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:06,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:06,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 12:44:06,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 12:44:06,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 12:44:06,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 12:44:06,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (1/1) ... [2025-01-09 12:44:06,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 12:44:06,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 12:44:06,043 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 12:44:06,048 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 12:44:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 12:44:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 12:44:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 12:44:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 12:44:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 12:44:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 12:44:06,127 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 12:44:06,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 12:44:06,307 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 12:44:06,307 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 12:44:06,316 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 12:44:06,317 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 12:44:06,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:44:06 BoogieIcfgContainer [2025-01-09 12:44:06,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 12:44:06,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 12:44:06,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 12:44:06,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 12:44:06,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 12:44:05" (1/3) ... [2025-01-09 12:44:06,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a965c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:44:06, skipping insertion in model container [2025-01-09 12:44:06,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 12:44:05" (2/3) ... [2025-01-09 12:44:06,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a965c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 12:44:06, skipping insertion in model container [2025-01-09 12:44:06,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 12:44:06" (3/3) ... [2025-01-09 12:44:06,327 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2025-01-09 12:44:06,339 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 12:44:06,341 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-61.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 12:44:06,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 12:44:06,427 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;@17767160, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 12:44:06,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 12:44:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:44:06,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 12:44:06,442 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:44:06,442 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:44:06,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:44:06,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:44:06,449 INFO L85 PathProgramCache]: Analyzing trace with hash 661664146, now seen corresponding path program 1 times [2025-01-09 12:44:06,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:44:06,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80982259] [2025-01-09 12:44:06,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:44:06,458 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 12:44:06,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:44:06,462 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 12:44:06,463 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 12:44:06,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 12:44:06,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 12:44:06,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:06,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:44:06,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 12:44:06,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:44:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2025-01-09 12:44:06,672 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:44:06,672 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:44:06,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80982259] [2025-01-09 12:44:06,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80982259] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:44:06,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:44:06,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 12:44:06,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121668741] [2025-01-09 12:44:06,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:44:06,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 12:44:06,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:44:06,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 12:44:06,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 12:44:06,691 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:44:06,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:44:06,713 INFO L93 Difference]: Finished difference Result 122 states and 213 transitions. [2025-01-09 12:44:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 12:44:06,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 158 [2025-01-09 12:44:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:44:06,720 INFO L225 Difference]: With dead ends: 122 [2025-01-09 12:44:06,720 INFO L226 Difference]: Without dead ends: 61 [2025-01-09 12:44:06,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 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 12:44:06,725 INFO L435 NwaCegarLoop]: 89 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, 89 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 12:44:06,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 12:44:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-01-09 12:44:06,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-01-09 12:44:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-09 12:44:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2025-01-09 12:44:06,756 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2025-01-09 12:44:06,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:44:06,757 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2025-01-09 12:44:06,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 12:44:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2025-01-09 12:44:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:44:06,760 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:44:06,760 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:44:06,766 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 12:44:06,960 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 12:44:06,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:44:06,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:44:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1716830352, now seen corresponding path program 1 times [2025-01-09 12:44:06,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:44:06,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263659379] [2025-01-09 12:44:06,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:44:06,962 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 12:44:06,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:44:06,964 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 12:44:06,966 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 12:44:07,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:44:07,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:44:07,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:07,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:44:07,086 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:44:07,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:44:07,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:44:07,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:07,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:44:07,174 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-01-09 12:44:07,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [528092919] [2025-01-09 12:44:07,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:44:07,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-01-09 12:44:07,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-01-09 12:44:07,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-01-09 12:44:07,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-01-09 12:44:07,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:44:07,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:44:07,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:44:07,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:44:07,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-09 12:44:07,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 12:45:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2025-01-09 12:45:35,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 12:45:35,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 12:45:35,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263659379] [2025-01-09 12:45:35,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-09 12:45:35,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [528092919] [2025-01-09 12:45:35,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [528092919] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 12:45:35,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 12:45:35,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-09 12:45:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438403289] [2025-01-09 12:45:35,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 12:45:35,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 12:45:35,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 12:45:35,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 12:45:35,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-01-09 12:45:35,426 INFO L87 Difference]: Start difference. First operand 61 states and 89 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 12:45:35,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 12:45:35,663 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2025-01-09 12:45:35,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 12:45:35,664 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2025-01-09 12:45:35,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 12:45:35,667 INFO L225 Difference]: With dead ends: 126 [2025-01-09 12:45:35,667 INFO L226 Difference]: Without dead ends: 124 [2025-01-09 12:45:35,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2025-01-09 12:45:35,667 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 99 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 12:45:35,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 443 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 12:45:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-01-09 12:45:35,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2025-01-09 12:45:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 71 states have internal predecessors, (78), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2025-01-09 12:45:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2025-01-09 12:45:35,684 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 146 transitions. Word has length 159 [2025-01-09 12:45:35,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 12:45:35,684 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 146 transitions. [2025-01-09 12:45:35,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2025-01-09 12:45:35,685 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 146 transitions. [2025-01-09 12:45:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-01-09 12:45:35,686 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 12:45:35,686 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 12:45:35,693 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 12:45:35,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2025-01-09 12:45:36,086 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=3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2025-01-09 12:45:36,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 12:45:36,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 12:45:36,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1714983310, now seen corresponding path program 1 times [2025-01-09 12:45:36,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 12:45:36,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795747489] [2025-01-09 12:45:36,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:45:36,088 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 12:45:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 12:45:36,090 INFO L229 MonitoredProcess]: Starting monitored process 5 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 12:45:36,091 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 (5)] Waiting until timeout for monitored process [2025-01-09 12:45:36,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:45:36,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:45:36,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:45:36,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:45:36,158 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 12:45:36,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:45:36,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:45:36,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:45:36,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 12:45:36,219 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-01-09 12:45:36,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1604290424] [2025-01-09 12:45:36,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 12:45:36,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-01-09 12:45:36,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2025-01-09 12:45:36,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-01-09 12:45:36,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2025-01-09 12:45:36,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-01-09 12:45:36,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-01-09 12:45:36,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 12:45:36,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 12:45:36,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-09 12:45:36,393 INFO L279 TraceCheckSpWp]: Computing forward predicates...