./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.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 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 08:14:09,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 08:14:09,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 08:14:09,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 08:14:09,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 08:14:09,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 08:14:09,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 08:14:09,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 08:14:09,181 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 08:14:09,183 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 08:14:09,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 08:14:09,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 08:14:09,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 08:14:09,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 08:14:09,187 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 08:14:09,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 08:14:09,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 08:14:09,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 08:14:09,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 08:14:09,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 08:14:09,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 08:14:09,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 08:14:09,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 08:14:09,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 08:14:09,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 08:14:09,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 08:14:09,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 08:14:09,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 08:14:09,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 08:14:09,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 08:14:09,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 08:14:09,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 08:14:09,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:14:09,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 08:14:09,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 08:14:09,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 08:14:09,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 08:14:09,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 08:14:09,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 08:14:09,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 08:14:09,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 08:14:09,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 08:14:09,199 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 [2024-11-20 08:14:09,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 08:14:09,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 08:14:09,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 08:14:09,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 08:14:09,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 08:14:09,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i [2024-11-20 08:14:10,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 08:14:11,123 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 08:14:11,124 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i [2024-11-20 08:14:11,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a00698a0/2b7eeb8f95a148aab8db21fa04e6c6af/FLAG54fd649c1 [2024-11-20 08:14:11,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a00698a0/2b7eeb8f95a148aab8db21fa04e6c6af [2024-11-20 08:14:11,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 08:14:11,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 08:14:11,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 08:14:11,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 08:14:11,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 08:14:11,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7acb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11, skipping insertion in model container [2024-11-20 08:14:11,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 08:14:11,359 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-41.i[913,926] [2024-11-20 08:14:11,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:14:11,405 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 08:14:11,416 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-41.i[913,926] [2024-11-20 08:14:11,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:14:11,460 INFO L204 MainTranslator]: Completed translation [2024-11-20 08:14:11,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11 WrapperNode [2024-11-20 08:14:11,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 08:14:11,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 08:14:11,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 08:14:11,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 08:14:11,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,504 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-20 08:14:11,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 08:14:11,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 08:14:11,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 08:14:11,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 08:14:11,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,537 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]. [2024-11-20 08:14:11,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 08:14:11,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 08:14:11,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 08:14:11,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 08:14:11,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (1/1) ... [2024-11-20 08:14:11,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:14:11,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 08:14:11,587 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) [2024-11-20 08:14:11,588 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 [2024-11-20 08:14:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 08:14:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 08:14:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 08:14:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 08:14:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 08:14:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 08:14:11,699 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 08:14:11,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 08:14:12,012 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-20 08:14:12,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 08:14:12,033 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 08:14:12,033 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 08:14:12,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:12 BoogieIcfgContainer [2024-11-20 08:14:12,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 08:14:12,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 08:14:12,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 08:14:12,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 08:14:12,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:14:11" (1/3) ... [2024-11-20 08:14:12,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9935b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:14:12, skipping insertion in model container [2024-11-20 08:14:12,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:11" (2/3) ... [2024-11-20 08:14:12,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9935b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:14:12, skipping insertion in model container [2024-11-20 08:14:12,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:12" (3/3) ... [2024-11-20 08:14:12,043 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-41.i [2024-11-20 08:14:12,059 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 08:14:12,060 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 08:14:12,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 08:14:12,117 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;@24c73b50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 08:14:12,117 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 08:14:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 08:14:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-20 08:14:12,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:14:12,130 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:14:12,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:14:12,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:14:12,137 INFO L85 PathProgramCache]: Analyzing trace with hash 20836915, now seen corresponding path program 1 times [2024-11-20 08:14:12,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:14:12,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280857170] [2024-11-20 08:14:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:14:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:14:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:14:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 08:14:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 08:14:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 08:14:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 08:14:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 08:14:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 08:14:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 08:14:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 08:14:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 08:14:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 08:14:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:14:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:14:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 08:14:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-20 08:14:12,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:14:12,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280857170] [2024-11-20 08:14:12,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280857170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:14:12,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:14:12,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 08:14:12,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778849565] [2024-11-20 08:14:12,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:14:12,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 08:14:12,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:14:12,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 08:14:12,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:14:12,565 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 08:14:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:14:12,597 INFO L93 Difference]: Finished difference Result 89 states and 148 transitions. [2024-11-20 08:14:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 08:14:12,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-20 08:14:12,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:14:12,606 INFO L225 Difference]: With dead ends: 89 [2024-11-20 08:14:12,607 INFO L226 Difference]: Without dead ends: 44 [2024-11-20 08:14:12,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:14:12,617 INFO L432 NwaCegarLoop]: 63 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, 63 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 [2024-11-20 08:14:12,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:14:12,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-20 08:14:12,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-20 08:14:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 08:14:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-20 08:14:12,657 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 92 [2024-11-20 08:14:12,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:14:12,658 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-20 08:14:12,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 08:14:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-20 08:14:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-20 08:14:12,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:14:12,663 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:14:12,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 08:14:12,663 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:14:12,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:14:12,664 INFO L85 PathProgramCache]: Analyzing trace with hash -606240841, now seen corresponding path program 1 times [2024-11-20 08:14:12,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:14:12,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543956190] [2024-11-20 08:14:12,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:14:12,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:14:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 08:14:12,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 08:14:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 08:14:12,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 08:14:12,953 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 08:14:12,956 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 08:14:12,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 08:14:12,963 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 08:14:13,091 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 08:14:13,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:14:13 BoogieIcfgContainer [2024-11-20 08:14:13,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 08:14:13,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 08:14:13,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 08:14:13,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 08:14:13,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:12" (3/4) ... [2024-11-20 08:14:13,101 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 08:14:13,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 08:14:13,103 INFO L158 Benchmark]: Toolchain (without parser) took 1952.62ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 132.6MB in the end (delta: -89.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 08:14:13,105 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 08:14:13,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.28ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 118.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 08:14:13,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.96ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 115.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 08:14:13,107 INFO L158 Benchmark]: Boogie Preprocessor took 47.96ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 113.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 08:14:13,107 INFO L158 Benchmark]: RCFGBuilder took 481.37ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 125.8MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 08:14:13,108 INFO L158 Benchmark]: TraceAbstraction took 1058.91ms. Allocated memory is still 167.8MB. Free memory was 124.8MB in the beginning and 133.0MB in the end (delta: -8.2MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2024-11-20 08:14:13,108 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 132.6MB in the end (delta: 346.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 08:14:13,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.28ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 118.4MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.96ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 115.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.96ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 113.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.37ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 125.8MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1058.91ms. Allocated memory is still 167.8MB. Free memory was 124.8MB in the beginning and 133.0MB in the end (delta: -8.2MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 132.6MB in the end (delta: 346.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] unsigned char var_1_5 = 0; [L24] signed char var_1_6 = -8; [L25] signed char var_1_7 = 5; [L26] unsigned short int var_1_8 = 2; [L27] unsigned char var_1_11 = 0; [L28] double var_1_12 = 8.5; [L29] double var_1_13 = 999999999999.6; [L30] signed long int var_1_14 = 10; [L31] signed char var_1_15 = -1; [L32] unsigned char var_1_16 = 16; [L33] unsigned char var_1_17 = 64; [L34] signed char last_1_var_1_1 = -16; VAL [isInitial=0, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=0, var_1_6=-8, var_1_7=5, var_1_8=2] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L69] var_1_5 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L71] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=-8, var_1_7=5, var_1_8=2] [L72] var_1_6 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L73] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L74] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=5, var_1_8=2] [L75] var_1_7 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L76] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L77] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L77] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L80] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L80] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_13=4999999999998/5, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L81] var_1_13 = __VERIFIER_nondet_double() [L82] 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_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L82] 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_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=-1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L83] var_1_15 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L84] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L85] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L85] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L86] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L86] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=64, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L87] var_1_17 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L88] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L89] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L89] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=16, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L103] RET updateVariables() [L104] CALL step() [L38] COND TRUE var_1_5 && (last_1_var_1_1 <= last_1_var_1_1) [L39] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_12=17/2, var_1_14=10, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L41] var_1_12 = (var_1_13 - 8.3) [L42] unsigned char stepLocal_1 = var_1_13 >= var_1_12; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_1=0, var_1_11=0, var_1_14=10, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L43] COND FALSE !(var_1_5 && stepLocal_1) [L46] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L48] COND TRUE \read(var_1_5) [L49] var_1_8 = (var_1_16 + var_1_16) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L57] unsigned long int stepLocal_0 = (var_1_8 & 0u) * var_1_16; VAL [isInitial=1, last_1_var_1_1=-16, stepLocal_0=0, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=-16, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L58] COND FALSE !(stepLocal_0 > var_1_8) [L65] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return (((((((var_1_8 & 0u) * var_1_16) > var_1_8) ? (var_1_5 ? (var_1_1 == ((signed char) ((16 + var_1_6) + var_1_7))) : (var_1_1 == ((signed char) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_6))) && (var_1_5 ? (var_1_8 == ((unsigned short int) (var_1_16 + var_1_16))) : (((var_1_16 > var_1_14) || var_1_11) ? (var_1_8 == ((unsigned short int) var_1_16)) : (var_1_8 == ((unsigned short int) var_1_16))))) && (var_1_12 == ((double) (var_1_13 - 8.3)))) && ((var_1_5 && (var_1_13 >= var_1_12)) ? (var_1_14 == ((signed long int) var_1_16)) : (var_1_14 == ((signed long int) var_1_15)))) && ((var_1_5 && (last_1_var_1_1 <= last_1_var_1_1)) ? (var_1_16 == ((unsigned char) var_1_17)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_11=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=31, var_1_5=1, var_1_6=31, var_1_7=-63, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 63 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, 63 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 08:14:13,153 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/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.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 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 08:14:15,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 08:14:15,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 08:14:15,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 08:14:15,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 08:14:15,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 08:14:15,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 08:14:15,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 08:14:15,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 08:14:15,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 08:14:15,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 08:14:15,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 08:14:15,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 08:14:15,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 08:14:15,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 08:14:15,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 08:14:15,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 08:14:15,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 08:14:15,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 08:14:15,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 08:14:15,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 08:14:15,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 08:14:15,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 08:14:15,674 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 08:14:15,675 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 08:14:15,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 08:14:15,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 08:14:15,675 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 08:14:15,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 08:14:15,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 08:14:15,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 08:14:15,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 08:14:15,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 08:14:15,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 08:14:15,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:14:15,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 08:14:15,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 08:14:15,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 08:14:15,683 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 08:14:15,683 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 08:14:15,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 08:14:15,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 08:14:15,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 08:14:15,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 08:14:15,684 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64487a3fc6d0bb9c63963975f2a88f7204d26acaec706a494cf6a9d1aeef08e8 [2024-11-20 08:14:16,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 08:14:16,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 08:14:16,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 08:14:16,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 08:14:16,073 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 08:14:16,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i [2024-11-20 08:14:17,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 08:14:17,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 08:14:17,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-41.i [2024-11-20 08:14:17,833 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a180f656e/f59794d3f84c4b928458c03e4239a5cc/FLAG5dbcb8b8b [2024-11-20 08:14:18,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a180f656e/f59794d3f84c4b928458c03e4239a5cc [2024-11-20 08:14:18,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 08:14:18,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 08:14:18,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 08:14:18,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 08:14:18,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 08:14:18,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f9c008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18, skipping insertion in model container [2024-11-20 08:14:18,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 08:14:18,395 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-41.i[913,926] [2024-11-20 08:14:18,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:14:18,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 08:14:18,500 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-41.i[913,926] [2024-11-20 08:14:18,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:14:18,558 INFO L204 MainTranslator]: Completed translation [2024-11-20 08:14:18,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18 WrapperNode [2024-11-20 08:14:18,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 08:14:18,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 08:14:18,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 08:14:18,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 08:14:18,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,617 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2024-11-20 08:14:18,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 08:14:18,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 08:14:18,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 08:14:18,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 08:14:18,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,661 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]. [2024-11-20 08:14:18,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 08:14:18,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 08:14:18,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 08:14:18,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 08:14:18,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (1/1) ... [2024-11-20 08:14:18,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:14:18,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 08:14:18,731 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) [2024-11-20 08:14:18,735 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 [2024-11-20 08:14:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 08:14:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 08:14:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 08:14:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 08:14:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 08:14:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 08:14:18,868 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 08:14:18,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 08:14:19,533 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-20 08:14:19,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 08:14:19,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 08:14:19,546 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 08:14:19,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:19 BoogieIcfgContainer [2024-11-20 08:14:19,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 08:14:19,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 08:14:19,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 08:14:19,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 08:14:19,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:14:18" (1/3) ... [2024-11-20 08:14:19,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c664ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:14:19, skipping insertion in model container [2024-11-20 08:14:19,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:14:18" (2/3) ... [2024-11-20 08:14:19,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c664ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:14:19, skipping insertion in model container [2024-11-20 08:14:19,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:14:19" (3/3) ... [2024-11-20 08:14:19,556 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-41.i [2024-11-20 08:14:19,572 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 08:14:19,573 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 08:14:19,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 08:14:19,645 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;@bf17dd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 08:14:19,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 08:14:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 08:14:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-20 08:14:19,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:14:19,662 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:14:19,663 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:14:19,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:14:19,668 INFO L85 PathProgramCache]: Analyzing trace with hash 20836915, now seen corresponding path program 1 times [2024-11-20 08:14:19,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 08:14:19,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019758405] [2024-11-20 08:14:19,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:14:19,688 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 [2024-11-20 08:14:19,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 08:14:19,692 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) [2024-11-20 08:14:19,694 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 [2024-11-20 08:14:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:19,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 08:14:19,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 08:14:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-20 08:14:20,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 08:14:20,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 08:14:20,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019758405] [2024-11-20 08:14:20,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2019758405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:14:20,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:14:20,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 08:14:20,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473089122] [2024-11-20 08:14:20,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:14:20,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 08:14:20,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 08:14:20,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 08:14:20,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:14:20,049 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 08:14:20,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:14:20,079 INFO L93 Difference]: Finished difference Result 89 states and 148 transitions. [2024-11-20 08:14:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 08:14:20,082 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-20 08:14:20,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:14:20,091 INFO L225 Difference]: With dead ends: 89 [2024-11-20 08:14:20,092 INFO L226 Difference]: Without dead ends: 44 [2024-11-20 08:14:20,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:14:20,100 INFO L432 NwaCegarLoop]: 63 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, 63 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 [2024-11-20 08:14:20,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:14:20,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-20 08:14:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-20 08:14:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-20 08:14:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2024-11-20 08:14:20,149 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 92 [2024-11-20 08:14:20,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:14:20,151 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2024-11-20 08:14:20,151 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-20 08:14:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-20 08:14:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-20 08:14:20,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:14:20,157 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:14:20,167 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 [2024-11-20 08:14:20,358 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 [2024-11-20 08:14:20,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:14:20,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:14:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash -606240841, now seen corresponding path program 1 times [2024-11-20 08:14:20,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 08:14:20,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542927903] [2024-11-20 08:14:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:14:20,361 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 [2024-11-20 08:14:20,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 08:14:20,365 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) [2024-11-20 08:14:20,366 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 [2024-11-20 08:14:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:14:20,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 08:14:20,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 08:14:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 189 proven. 15 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-20 08:14:29,502 INFO L311 TraceCheckSpWp]: Computing backward predicates...