./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_variablewrapping_normal_file-65.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 28862f134dfb9731fa78f6a0cfd7be5cd0ae44c8c49bd39e29ecb8fe23dac4e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 16:08:15,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 16:08:15,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 16:08:15,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 16:08:15,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 16:08:15,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 16:08:15,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 16:08:15,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 16:08:15,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 16:08:15,688 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 16:08:15,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 16:08:15,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 16:08:15,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 16:08:15,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 16:08:15,688 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 16:08:15,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 16:08:15,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 16:08:15,690 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 16:08:15,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 16:08:15,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 16:08:15,692 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 16:08:15,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 16:08:15,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 16:08:15,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 16:08:15,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 16:08:15,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 16:08:15,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 16:08:15,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 16:08:15,693 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 -> 28862f134dfb9731fa78f6a0cfd7be5cd0ae44c8c49bd39e29ecb8fe23dac4e6 [2025-03-08 16:08:15,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 16:08:15,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 16:08:15,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 16:08:15,925 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 16:08:15,925 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 16:08:15,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-65.i [2025-03-08 16:08:17,067 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2811be481/a9b6a200a85248c89cd45374159381f5/FLAG04f514f43 [2025-03-08 16:08:17,276 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 16:08:17,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-65.i [2025-03-08 16:08:17,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2811be481/a9b6a200a85248c89cd45374159381f5/FLAG04f514f43 [2025-03-08 16:08:17,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2811be481/a9b6a200a85248c89cd45374159381f5 [2025-03-08 16:08:17,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 16:08:17,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 16:08:17,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 16:08:17,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 16:08:17,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 16:08:17,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1820d560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17, skipping insertion in model container [2025-03-08 16:08:17,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 16:08:17,746 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_variablewrapping_normal_file-65.i[913,926] [2025-03-08 16:08:17,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 16:08:17,794 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 16:08:17,805 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_variablewrapping_normal_file-65.i[913,926] [2025-03-08 16:08:17,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 16:08:17,833 INFO L204 MainTranslator]: Completed translation [2025-03-08 16:08:17,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17 WrapperNode [2025-03-08 16:08:17,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 16:08:17,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 16:08:17,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 16:08:17,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 16:08:17,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,874 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 97 [2025-03-08 16:08:17,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 16:08:17,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 16:08:17,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 16:08:17,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 16:08:17,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,893 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]. [2025-03-08 16:08:17,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,896 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 16:08:17,900 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 16:08:17,900 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 16:08:17,900 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 16:08:17,900 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (1/1) ... [2025-03-08 16:08:17,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 16:08:17,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 16:08:17,927 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) [2025-03-08 16:08:17,929 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 [2025-03-08 16:08:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 16:08:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 16:08:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 16:08:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 16:08:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 16:08:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 16:08:17,996 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 16:08:17,997 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 16:08:18,140 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 16:08:18,140 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 16:08:18,146 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 16:08:18,146 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 16:08:18,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:08:18 BoogieIcfgContainer [2025-03-08 16:08:18,147 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 16:08:18,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 16:08:18,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 16:08:18,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 16:08:18,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 04:08:17" (1/3) ... [2025-03-08 16:08:18,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d507436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:08:18, skipping insertion in model container [2025-03-08 16:08:18,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:17" (2/3) ... [2025-03-08 16:08:18,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d507436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:08:18, skipping insertion in model container [2025-03-08 16:08:18,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:08:18" (3/3) ... [2025-03-08 16:08:18,156 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-65.i [2025-03-08 16:08:18,166 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 16:08:18,167 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-65.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 16:08:18,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 16:08:18,209 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;@5a6faf5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 16:08:18,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 16:08:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 16:08:18,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 16:08:18,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 16:08:18,220 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 16:08:18,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 16:08:18,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 16:08:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash 740657546, now seen corresponding path program 1 times [2025-03-08 16:08:18,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 16:08:18,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176276122] [2025-03-08 16:08:18,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 16:08:18,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 16:08:18,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 16:08:18,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 16:08:18,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 16:08:18,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 16:08:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-03-08 16:08:18,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 16:08:18,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176276122] [2025-03-08 16:08:18,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176276122] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 16:08:18,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708211756] [2025-03-08 16:08:18,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 16:08:18,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 16:08:18,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 16:08:18,388 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) [2025-03-08 16:08:18,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 16:08:18,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 16:08:18,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 16:08:18,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 16:08:18,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 16:08:18,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 16:08:18,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 16:08:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-03-08 16:08:18,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 16:08:18,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708211756] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 16:08:18,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 16:08:18,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 16:08:18,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30281958] [2025-03-08 16:08:18,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 16:08:18,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 16:08:18,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 16:08:18,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 16:08:18,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 16:08:18,543 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 16:08:18,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 16:08:18,557 INFO L93 Difference]: Finished difference Result 82 states and 130 transitions. [2025-03-08 16:08:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 16:08:18,559 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2025-03-08 16:08:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 16:08:18,563 INFO L225 Difference]: With dead ends: 82 [2025-03-08 16:08:18,563 INFO L226 Difference]: Without dead ends: 41 [2025-03-08 16:08:18,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 16:08:18,567 INFO L435 NwaCegarLoop]: 57 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, 57 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 [2025-03-08 16:08:18,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 16:08:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-08 16:08:18,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-08 16:08:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 16:08:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2025-03-08 16:08:18,598 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 77 [2025-03-08 16:08:18,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 16:08:18,599 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2025-03-08 16:08:18,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 16:08:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2025-03-08 16:08:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 16:08:18,603 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 16:08:18,603 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 16:08:18,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 16:08:18,808 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 [2025-03-08 16:08:18,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 16:08:18,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 16:08:18,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1844490897, now seen corresponding path program 1 times [2025-03-08 16:08:18,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 16:08:18,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847592925] [2025-03-08 16:08:18,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 16:08:18,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 16:08:18,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 16:08:18,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 16:08:18,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 16:08:18,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 16:08:18,869 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 16:08:18,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 16:08:18,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 16:08:18,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 16:08:18,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 16:08:18,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 16:08:18,965 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 16:08:18,966 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 16:08:18,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 16:08:18,969 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 16:08:19,017 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 16:08:19,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 04:08:19 BoogieIcfgContainer [2025-03-08 16:08:19,020 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 16:08:19,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 16:08:19,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 16:08:19,021 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 16:08:19,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:08:18" (3/4) ... [2025-03-08 16:08:19,025 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 16:08:19,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 16:08:19,026 INFO L158 Benchmark]: Toolchain (without parser) took 1392.37ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 100.6MB in the end (delta: 11.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2025-03-08 16:08:19,026 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 16:08:19,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.90ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 99.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 16:08:19,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 16:08:19,031 INFO L158 Benchmark]: Boogie Preprocessor took 23.61ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 16:08:19,031 INFO L158 Benchmark]: IcfgBuilder took 247.24ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 81.2MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 16:08:19,033 INFO L158 Benchmark]: TraceAbstraction took 870.77ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 101.4MB in the end (delta: -20.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2025-03-08 16:08:19,033 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.6MB in the end (delta: 772.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 16:08:19,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.90ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 99.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.61ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 247.24ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 81.2MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 870.77ms. Allocated memory is still 142.6MB. Free memory was 80.8MB in the beginning and 101.4MB in the end (delta: -20.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.6MB in the end (delta: 772.4kB). Peak memory consumption was 8.4MB. 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 someBinaryArithmeticDOUBLEoperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someUnaryFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 1000000000.1; [L23] unsigned char var_1_3 = 1; [L24] float var_1_4 = 8.2; [L25] signed long int var_1_5 = -32; [L26] double var_1_9 = 100.5; [L27] double var_1_12 = 25.25; [L28] double var_1_13 = 63.6; [L29] double var_1_14 = 0.0; [L30] double var_1_15 = 0.8; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] double last_1_var_1_9 = 100.5; VAL [isInitial=0, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L85] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L95] RET updateLastVariables() [L96] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_9=201/2] [L67] var_1_4 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L68] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_12=101/4, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L69] var_1_12 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L70] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_13=318/5, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L71] var_1_13 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L72] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_14=0, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L73] var_1_14 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L74] RET assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_15=4/5, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L75] var_1_15 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L76] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L77] var_1_17 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L78] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L79] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L79] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L80] var_1_19 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L81] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L82] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L82] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=10000000001/10, var_1_20=0, var_1_3=1, var_1_5=-32, var_1_9=201/2] [L96] RET updateVariables() [L97] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=-65536, var_1_1=1000000005, var_1_20=0, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L50] COND TRUE \read(var_1_3) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32, var_1_9=201/2] [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-32] [L59] COND TRUE var_1_4 > var_1_9 [L60] var_1_5 = (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((double) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((double) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=201/2, var_1_16=126, var_1_17=126, var_1_18=-65536, var_1_19=-65536, var_1_1=1000000005, var_1_20=-65536, var_1_3=1, var_1_4=1000000005, var_1_5=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 73 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 11, 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, 57 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, 57 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 [2025-03-08 16:08:19,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/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_variablewrapping_normal_file-65.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 28862f134dfb9731fa78f6a0cfd7be5cd0ae44c8c49bd39e29ecb8fe23dac4e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 16:08:21,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 16:08:21,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 16:08:21,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 16:08:21,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 16:08:21,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 16:08:21,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 16:08:21,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 16:08:21,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 16:08:21,120 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 16:08:21,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 16:08:21,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 16:08:21,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 16:08:21,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 16:08:21,121 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 16:08:21,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 16:08:21,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 16:08:21,121 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 16:08:21,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 16:08:21,124 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 16:08:21,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 16:08:21,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 16:08:21,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 16:08:21,125 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 -> 28862f134dfb9731fa78f6a0cfd7be5cd0ae44c8c49bd39e29ecb8fe23dac4e6 [2025-03-08 16:08:21,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 16:08:21,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 16:08:21,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 16:08:21,377 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 16:08:21,378 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 16:08:21,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-65.i [2025-03-08 16:08:22,579 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd327adf/f77b4591103e437cab4b6917d6e81a6e/FLAG5e8e85e55 [2025-03-08 16:08:22,764 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 16:08:22,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-65.i [2025-03-08 16:08:22,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd327adf/f77b4591103e437cab4b6917d6e81a6e/FLAG5e8e85e55 [2025-03-08 16:08:22,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd327adf/f77b4591103e437cab4b6917d6e81a6e [2025-03-08 16:08:22,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 16:08:22,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 16:08:22,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 16:08:22,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 16:08:22,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 16:08:22,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:22,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90cde44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22, skipping insertion in model container [2025-03-08 16:08:22,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:22,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 16:08:22,905 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_variablewrapping_normal_file-65.i[913,926] [2025-03-08 16:08:22,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 16:08:22,943 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 16:08:22,951 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_variablewrapping_normal_file-65.i[913,926] [2025-03-08 16:08:22,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 16:08:22,978 INFO L204 MainTranslator]: Completed translation [2025-03-08 16:08:22,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22 WrapperNode [2025-03-08 16:08:22,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 16:08:22,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 16:08:22,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 16:08:22,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 16:08:22,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:22,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,009 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2025-03-08 16:08:23,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 16:08:23,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 16:08:23,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 16:08:23,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 16:08:23,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,040 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]. [2025-03-08 16:08:23,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,048 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 16:08:23,057 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 16:08:23,057 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 16:08:23,057 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 16:08:23,062 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (1/1) ... [2025-03-08 16:08:23,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 16:08:23,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 16:08:23,086 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) [2025-03-08 16:08:23,089 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 [2025-03-08 16:08:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 16:08:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 16:08:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 16:08:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 16:08:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 16:08:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 16:08:23,164 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 16:08:23,166 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 16:08:26,000 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-08 16:08:26,000 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 16:08:26,007 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 16:08:26,008 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 16:08:26,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:08:26 BoogieIcfgContainer [2025-03-08 16:08:26,009 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 16:08:26,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 16:08:26,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 16:08:26,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 16:08:26,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 04:08:22" (1/3) ... [2025-03-08 16:08:26,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4b710c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:08:26, skipping insertion in model container [2025-03-08 16:08:26,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 04:08:22" (2/3) ... [2025-03-08 16:08:26,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4b710c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 04:08:26, skipping insertion in model container [2025-03-08 16:08:26,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 04:08:26" (3/3) ... [2025-03-08 16:08:26,018 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-65.i [2025-03-08 16:08:26,028 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 16:08:26,030 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-65.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 16:08:26,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 16:08:26,079 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;@27cf7fc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 16:08:26,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 16:08:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 16:08:26,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 16:08:26,088 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 16:08:26,089 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 16:08:26,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 16:08:26,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 16:08:26,104 INFO L85 PathProgramCache]: Analyzing trace with hash 740657546, now seen corresponding path program 1 times [2025-03-08 16:08:26,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 16:08:26,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095045032] [2025-03-08 16:08:26,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 16:08:26,112 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 [2025-03-08 16:08:26,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 16:08:26,114 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) [2025-03-08 16:08:26,115 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 [2025-03-08 16:08:26,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 16:08:26,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 16:08:26,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 16:08:26,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 16:08:26,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 16:08:26,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 16:08:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-03-08 16:08:26,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 16:08:26,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 16:08:26,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095045032] [2025-03-08 16:08:26,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095045032] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 16:08:26,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 16:08:26,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 16:08:26,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219237275] [2025-03-08 16:08:26,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 16:08:26,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 16:08:26,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 16:08:26,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 16:08:26,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 16:08:26,462 INFO L87 Difference]: Start difference. First operand has 44 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 16:08:26,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 16:08:26,476 INFO L93 Difference]: Finished difference Result 82 states and 130 transitions. [2025-03-08 16:08:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 16:08:26,478 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2025-03-08 16:08:26,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 16:08:26,483 INFO L225 Difference]: With dead ends: 82 [2025-03-08 16:08:26,483 INFO L226 Difference]: Without dead ends: 41 [2025-03-08 16:08:26,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 16:08:26,487 INFO L435 NwaCegarLoop]: 57 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, 57 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 [2025-03-08 16:08:26,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 16:08:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-03-08 16:08:26,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-03-08 16:08:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 16:08:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2025-03-08 16:08:26,510 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 77 [2025-03-08 16:08:26,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 16:08:26,511 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2025-03-08 16:08:26,511 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 16:08:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2025-03-08 16:08:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 16:08:26,513 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 16:08:26,513 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 16:08:26,522 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 [2025-03-08 16:08:26,713 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 [2025-03-08 16:08:26,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 16:08:26,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 16:08:26,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1844490897, now seen corresponding path program 1 times [2025-03-08 16:08:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 16:08:26,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730011887] [2025-03-08 16:08:26,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 16:08:26,715 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 [2025-03-08 16:08:26,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 16:08:26,716 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) [2025-03-08 16:08:26,717 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 [2025-03-08 16:08:26,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 16:08:26,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 16:08:26,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 16:08:26,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 16:08:27,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-08 16:08:27,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 16:08:51,467 WARN L286 SmtUtils]: Spent 9.98s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)