./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:39:52,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:39:52,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 22:39:52,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:39:52,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:39:52,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:39:52,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:39:52,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:39:52,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:39:52,541 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:39:52,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:39:52,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:39:52,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:39:52,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:39:52,543 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:39:52,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:39:52,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:39:52,543 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:39:52,544 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:39:52,545 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:39:52,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:39:52,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:39:52,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:39:52,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:39:52,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:39:52,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:39:52,545 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:39:52,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:39:52,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 22:39:52,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 22:39:52,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:39:52,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:39:52,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:39:52,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:39:52,546 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/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 -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2025-03-03 22:39:52,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:39:52,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:39:52,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:39:52,753 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:39:52,753 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:39:52,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2025-03-03 22:39:53,847 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a9677f4/276d8341b73649bdaf13345818cb04a5/FLAG64883724b [2025-03-03 22:39:54,063 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:39:54,064 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2025-03-03 22:39:54,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a9677f4/276d8341b73649bdaf13345818cb04a5/FLAG64883724b [2025-03-03 22:39:54,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a9677f4/276d8341b73649bdaf13345818cb04a5 [2025-03-03 22:39:54,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:39:54,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:39:54,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:39:54,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:39:54,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:39:54,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60088602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54, skipping insertion in model container [2025-03-03 22:39:54,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:39:54,529 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2025-03-03 22:39:54,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:39:54,585 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:39:54,594 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2025-03-03 22:39:54,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:39:54,636 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:39:54,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54 WrapperNode [2025-03-03 22:39:54,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:39:54,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:39:54,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:39:54,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:39:54,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,681 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-03-03 22:39:54,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:39:54,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:39:54,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:39:54,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:39:54,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,710 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]. [2025-03-03 22:39:54,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,717 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:39:54,732 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:39:54,732 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:39:54,733 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:39:54,734 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (1/1) ... [2025-03-03 22:39:54,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:39:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:39:54,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 22:39:54,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 22:39:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:39:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:39:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:39:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 22:39:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:39:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:39:54,840 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:39:54,842 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:39:55,026 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-03 22:39:55,026 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:39:55,033 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:39:55,033 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:39:55,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:39:55 BoogieIcfgContainer [2025-03-03 22:39:55,034 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:39:55,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:39:55,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:39:55,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:39:55,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:39:54" (1/3) ... [2025-03-03 22:39:55,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9dda3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:39:55, skipping insertion in model container [2025-03-03 22:39:55,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:39:54" (2/3) ... [2025-03-03 22:39:55,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9dda3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:39:55, skipping insertion in model container [2025-03-03 22:39:55,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:39:55" (3/3) ... [2025-03-03 22:39:55,041 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2025-03-03 22:39:55,052 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:39:55,055 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-80.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:39:55,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:39:55,110 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;@5a1adbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:39:55,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:39:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 22:39:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-03 22:39:55,122 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:39:55,123 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:39:55,123 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:39:55,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:39:55,128 INFO L85 PathProgramCache]: Analyzing trace with hash 710992607, now seen corresponding path program 1 times [2025-03-03 22:39:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:39:55,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369076754] [2025-03-03 22:39:55,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:39:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:39:55,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:39:55,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:39:55,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:39:55,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:39:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-03 22:39:55,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 22:39:55,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369076754] [2025-03-03 22:39:55,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369076754] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 22:39:55,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157166041] [2025-03-03 22:39:55,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:39:55,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 22:39:55,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:39:55,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 22:39:55,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 22:39:55,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:39:55,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:39:55,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:39:55,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:39:55,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:39:55,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:39:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2025-03-03 22:39:55,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:39:55,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157166041] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:39:55,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 22:39:55,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 22:39:55,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110622765] [2025-03-03 22:39:55,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:39:55,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:39:55,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 22:39:55,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:39:55,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:39:55,504 INFO L87 Difference]: Start difference. First operand has 56 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 22:39:55,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:39:55,523 INFO L93 Difference]: Finished difference Result 106 states and 184 transitions. [2025-03-03 22:39:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:39:55,525 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2025-03-03 22:39:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:39:55,529 INFO L225 Difference]: With dead ends: 106 [2025-03-03 22:39:55,529 INFO L226 Difference]: Without dead ends: 53 [2025-03-03 22:39:55,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:39:55,532 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 22:39:55,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:39:55,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-03 22:39:55,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-03 22:39:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 22:39:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-03-03 22:39:55,567 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 139 [2025-03-03 22:39:55,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:39:55,567 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-03-03 22:39:55,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 22:39:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-03-03 22:39:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-03 22:39:55,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:39:55,572 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:39:55,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 22:39:55,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-03 22:39:55,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:39:55,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:39:55,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1564035426, now seen corresponding path program 1 times [2025-03-03 22:39:55,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 22:39:55,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9598080] [2025-03-03 22:39:55,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:39:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 22:39:55,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:39:55,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:39:55,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:39:55,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-03 22:39:55,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162374781] [2025-03-03 22:39:55,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:39:55,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 22:39:55,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:39:55,924 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 22:39:55,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 22:39:55,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:39:56,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:39:56,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:39:56,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:39:56,132 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 22:39:56,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:39:56,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:39:56,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:39:56,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:39:56,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 22:39:56,231 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 22:39:56,232 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 22:39:56,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-03 22:39:56,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-03 22:39:56,436 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 22:39:56,507 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 22:39:56,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 10:39:56 BoogieIcfgContainer [2025-03-03 22:39:56,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 22:39:56,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 22:39:56,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 22:39:56,513 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 22:39:56,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:39:55" (3/4) ... [2025-03-03 22:39:56,516 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 22:39:56,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 22:39:56,517 INFO L158 Benchmark]: Toolchain (without parser) took 2097.54ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 53.7MB in the end (delta: 52.9MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2025-03-03 22:39:56,517 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:39:56,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.73ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 93.9MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 22:39:56,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.53ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 22:39:56,517 INFO L158 Benchmark]: Boogie Preprocessor took 46.22ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 88.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:39:56,517 INFO L158 Benchmark]: IcfgBuilder took 301.86ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 70.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 22:39:56,518 INFO L158 Benchmark]: TraceAbstraction took 1476.97ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 53.7MB in the end (delta: 16.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2025-03-03 22:39:56,518 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 22:39:56,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.73ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 93.9MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.53ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 91.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.22ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 88.2MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 301.86ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 70.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1476.97ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 53.7MB in the end (delta: 16.6MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 53.7MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 53, overapproximation of to_int at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] signed long int var_1_15 = 1; [L30] signed long int var_1_16 = 25; [L31] signed long int var_1_17 = 5; [L32] signed long int var_1_18 = 4; [L33] signed long int var_1_19 = 500; [L34] signed long int var_1_20 = 127; [L35] signed long int var_1_21 = 1; [L36] signed long int var_1_22 = 99; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; VAL [isInitial=0, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=128, var_1_9=-1] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L78] var_1_16 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L81] var_1_17 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_17 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L82] RET assume_abort_if_not(var_1_17 >= -2147483648) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L84] var_1_18 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_18 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L85] RET assume_abort_if_not(var_1_18 >= -2147483648) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L86] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L87] var_1_19 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L88] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L90] var_1_20 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L91] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L92] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L93] var_1_21 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L94] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L95] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; VAL [isInitial=1, stepLocal_0=0, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] [L46] COND TRUE var_1_13 || stepLocal_0 [L47] var_1_12 = ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] [L51] signed short int stepLocal_1 = var_1_10; VAL [isInitial=1, stepLocal_1=2, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=-1, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((signed long int) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((signed long int) (var_1_20 - var_1_21))))) && (var_1_22 == ((signed long int) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; VAL [\result=0, isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=-1, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=-1, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=2, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=-1, var_1_20=0, var_1_21=0, var_1_22=-2147483648, var_1_23=2, var_1_24=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 23, 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, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 319 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1980/2024 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 [2025-03-03 22:39:56,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 22:39:58,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 22:39:58,341 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 22:39:58,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 22:39:58,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 22:39:58,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 22:39:58,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 22:39:58,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 22:39:58,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 22:39:58,364 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 22:39:58,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 22:39:58,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 22:39:58,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 22:39:58,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 22:39:58,366 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:39:58,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 22:39:58,366 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 22:39:58,367 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 22:39:58,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 22:39:58,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 22:39:58,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 22:39:58,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 22:39:58,367 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/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 -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2025-03-03 22:39:58,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 22:39:58,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 22:39:58,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 22:39:58,615 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 22:39:58,615 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 22:39:58,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2025-03-03 22:39:59,753 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ba33a36/dcdadff9f2a94894be8fc51ff4d50470/FLAGeb1056c00 [2025-03-03 22:39:59,964 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 22:39:59,964 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2025-03-03 22:39:59,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ba33a36/dcdadff9f2a94894be8fc51ff4d50470/FLAGeb1056c00 [2025-03-03 22:40:00,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ba33a36/dcdadff9f2a94894be8fc51ff4d50470 [2025-03-03 22:40:00,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 22:40:00,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 22:40:00,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 22:40:00,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 22:40:00,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 22:40:00,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e291be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00, skipping insertion in model container [2025-03-03 22:40:00,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 22:40:00,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2025-03-03 22:40:00,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:40:00,486 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 22:40:00,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2025-03-03 22:40:00,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 22:40:00,522 INFO L204 MainTranslator]: Completed translation [2025-03-03 22:40:00,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00 WrapperNode [2025-03-03 22:40:00,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 22:40:00,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 22:40:00,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 22:40:00,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 22:40:00,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,548 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2025-03-03 22:40:00,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 22:40:00,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 22:40:00,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 22:40:00,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 22:40:00,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,567 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]. [2025-03-03 22:40:00,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 22:40:00,585 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 22:40:00,585 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 22:40:00,585 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 22:40:00,586 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (1/1) ... [2025-03-03 22:40:00,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 22:40:00,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 22:40:00,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 22:40:00,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 22:40:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 22:40:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 22:40:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 22:40:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 22:40:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 22:40:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 22:40:00,689 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 22:40:00,691 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 22:40:03,071 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-03 22:40:03,071 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 22:40:03,077 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 22:40:03,077 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 22:40:03,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:40:03 BoogieIcfgContainer [2025-03-03 22:40:03,077 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 22:40:03,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 22:40:03,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 22:40:03,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 22:40:03,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 10:40:00" (1/3) ... [2025-03-03 22:40:03,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457425db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:40:03, skipping insertion in model container [2025-03-03 22:40:03,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 10:40:00" (2/3) ... [2025-03-03 22:40:03,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457425db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 10:40:03, skipping insertion in model container [2025-03-03 22:40:03,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 10:40:03" (3/3) ... [2025-03-03 22:40:03,084 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2025-03-03 22:40:03,093 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 22:40:03,094 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-80.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 22:40:03,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 22:40:03,144 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;@4efb6155, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 22:40:03,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 22:40:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 22:40:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-03 22:40:03,156 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:40:03,157 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:40:03,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:40:03,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:40:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash 710992607, now seen corresponding path program 1 times [2025-03-03 22:40:03,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:40:03,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430842953] [2025-03-03 22:40:03,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:40:03,170 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 [2025-03-03 22:40:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:40:03,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/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) [2025-03-03 22:40:03,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-03 22:40:03,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:40:03,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:40:03,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:40:03,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:40:03,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 22:40:03,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:40:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2025-03-03 22:40:03,429 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 22:40:03,430 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 22:40:03,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430842953] [2025-03-03 22:40:03,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430842953] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 22:40:03,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 22:40:03,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 22:40:03,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234100882] [2025-03-03 22:40:03,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 22:40:03,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 22:40:03,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 22:40:03,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 22:40:03,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:40:03,449 INFO L87 Difference]: Start difference. First operand has 56 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 22:40:03,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 22:40:03,465 INFO L93 Difference]: Finished difference Result 106 states and 184 transitions. [2025-03-03 22:40:03,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 22:40:03,466 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 139 [2025-03-03 22:40:03,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 22:40:03,469 INFO L225 Difference]: With dead ends: 106 [2025-03-03 22:40:03,470 INFO L226 Difference]: Without dead ends: 53 [2025-03-03 22:40:03,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 22:40:03,473 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 22:40:03,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 22:40:03,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-03 22:40:03,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-03 22:40:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-03 22:40:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-03-03 22:40:03,504 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 139 [2025-03-03 22:40:03,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 22:40:03,505 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-03-03 22:40:03,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-03 22:40:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-03-03 22:40:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-03 22:40:03,508 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 22:40:03,509 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 22:40:03,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-03 22:40:03,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/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 [2025-03-03 22:40:03,710 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 22:40:03,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 22:40:03,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1564035426, now seen corresponding path program 1 times [2025-03-03 22:40:03,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 22:40:03,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069830988] [2025-03-03 22:40:03,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:40:03,711 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 [2025-03-03 22:40:03,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 22:40:03,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/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) [2025-03-03 22:40:03,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-03 22:40:03,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:40:03,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:40:03,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:40:03,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:40:03,870 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 22:40:03,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:40:03,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:40:03,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:40:03,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 22:40:03,998 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2025-03-03 22:40:03,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2095457615] [2025-03-03 22:40:03,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 22:40:03,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-03 22:40:03,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-03 22:40:04,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-03 22:40:04,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-03-03 22:40:04,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-03 22:40:04,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-03 22:40:04,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 22:40:04,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 22:40:04,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-03 22:40:04,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 22:40:14,855 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:40:26,903 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:40:35,057 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:40:43,220 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:41:07,575 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:41:13,386 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:41:21,547 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:41:28,527 WARN L286 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-03 22:41:36,661 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)