./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-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-39.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 5d39645531c2e289d9f43a5da1a6328789e313cb06da9f811e7841e4f10030f5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:05:46,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:05:46,796 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 13:05:46,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:05:46,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:05:46,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:05:46,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:05:46,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:05:46,828 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:05:46,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:05:46,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:05:46,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:05:46,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:05:46,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:05:46,832 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:05:46,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:05:46,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:05:46,833 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:05:46,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 13:05:46,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:05:46,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:05:46,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:05:46,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:05:46,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:05:46,836 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:05:46,836 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:05:46,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:05:46,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:05:46,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:05:46,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:05:46,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:05:46,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:05:46,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:46,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:05:46,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:05:46,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:05:46,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 13:05:46,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 13:05:46,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:05:46,839 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:05:46,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:05:46,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:05:46,840 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d39645531c2e289d9f43a5da1a6328789e313cb06da9f811e7841e4f10030f5 [2024-10-11 13:05:47,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:05:47,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:05:47,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:05:47,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:05:47,088 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:05:47,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-39.i [2024-10-11 13:05:48,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:05:48,539 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:05:48,540 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-39.i [2024-10-11 13:05:48,553 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4f680d0ac/2ed78a7b10e84ff59644e2f2fa8a3044/FLAGa4a8a835b [2024-10-11 13:05:48,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4f680d0ac/2ed78a7b10e84ff59644e2f2fa8a3044 [2024-10-11 13:05:48,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:05:48,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:05:48,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:48,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:05:48,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:05:48,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:48,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3731e412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48, skipping insertion in model container [2024-10-11 13:05:48,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:48,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:05:48,786 WARN L248 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-39.i[913,926] [2024-10-11 13:05:48,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:48,863 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:05:48,873 WARN L248 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-39.i[913,926] [2024-10-11 13:05:48,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:48,918 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:05:48,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48 WrapperNode [2024-10-11 13:05:48,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:48,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:48,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:05:48,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:05:48,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:48,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:48,971 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-10-11 13:05:48,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:48,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:05:48,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:05:48,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:05:48,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:48,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:48,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,000 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]. [2024-10-11 13:05:49,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:05:49,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:05:49,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:05:49,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:05:49,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (1/1) ... [2024-10-11 13:05:49,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:05:49,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:05:49,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:05:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:05:49,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:05:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:05:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 13:05:49,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:05:49,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:05:49,224 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:05:49,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:05:49,446 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 13:05:49,446 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:05:49,477 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:05:49,477 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:05:49,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:49 BoogieIcfgContainer [2024-10-11 13:05:49,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:05:49,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:05:49,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:05:49,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:05:49,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:05:48" (1/3) ... [2024-10-11 13:05:49,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2d97a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:05:49, skipping insertion in model container [2024-10-11 13:05:49,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:48" (2/3) ... [2024-10-11 13:05:49,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a2d97a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:05:49, skipping insertion in model container [2024-10-11 13:05:49,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:49" (3/3) ... [2024-10-11 13:05:49,488 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-39.i [2024-10-11 13:05:49,505 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:05:49,506 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:05:49,561 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:05:49,567 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;@5e113eb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:05:49,568 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:05:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 32 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 13:05:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 13:05:49,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:05:49,582 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:05:49,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:05:49,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:05:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash 347017849, now seen corresponding path program 1 times [2024-10-11 13:05:49,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:05:49,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398896479] [2024-10-11 13:05:49,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:49,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:05:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:05:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 13:05:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 13:05:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 13:05:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 13:05:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 13:05:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 13:05:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 13:05:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 13:05:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 13:05:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 13:05:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 13:05:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 13:05:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:05:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:05:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 13:05:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 13:05:49,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:05:49,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398896479] [2024-10-11 13:05:49,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398896479] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:05:49,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:05:49,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:05:49,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342786765] [2024-10-11 13:05:49,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:05:49,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:05:49,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:05:49,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:05:49,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:05:49,916 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 32 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 13:05:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:05:50,001 INFO L93 Difference]: Finished difference Result 97 states and 164 transitions. [2024-10-11 13:05:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:05:50,006 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2024-10-11 13:05:50,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:05:50,016 INFO L225 Difference]: With dead ends: 97 [2024-10-11 13:05:50,016 INFO L226 Difference]: Without dead ends: 48 [2024-10-11 13:05:50,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:05:50,021 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:05:50,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:05:50,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-11 13:05:50,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-10-11 13:05:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 13:05:50,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2024-10-11 13:05:50,061 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 100 [2024-10-11 13:05:50,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:05:50,065 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2024-10-11 13:05:50,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 13:05:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-10-11 13:05:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 13:05:50,068 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:05:50,069 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:05:50,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 13:05:50,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:05:50,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:05:50,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1311642737, now seen corresponding path program 1 times [2024-10-11 13:05:50,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:05:50,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627666572] [2024-10-11 13:05:50,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:50,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:05:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:05:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 13:05:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 13:05:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 13:05:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 13:05:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 13:05:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 13:05:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 13:05:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 13:05:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 13:05:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 13:05:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 13:05:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 13:05:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:05:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:51,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 13:05:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 13:05:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-11 13:05:51,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:05:51,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627666572] [2024-10-11 13:05:51,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627666572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:05:51,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:05:51,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 13:05:51,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966513419] [2024-10-11 13:05:51,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:05:51,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 13:05:51,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:05:51,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 13:05:51,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 13:05:51,014 INFO L87 Difference]: Start difference. First operand 48 states and 70 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 13:05:51,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:05:51,267 INFO L93 Difference]: Finished difference Result 112 states and 161 transitions. [2024-10-11 13:05:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 13:05:51,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 100 [2024-10-11 13:05:51,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:05:51,270 INFO L225 Difference]: With dead ends: 112 [2024-10-11 13:05:51,270 INFO L226 Difference]: Without dead ends: 65 [2024-10-11 13:05:51,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 13:05:51,271 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 39 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 13:05:51,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 175 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 13:05:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-11 13:05:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2024-10-11 13:05:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 13:05:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2024-10-11 13:05:51,279 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 100 [2024-10-11 13:05:51,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:05:51,280 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2024-10-11 13:05:51,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-11 13:05:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2024-10-11 13:05:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-11 13:05:51,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:05:51,282 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:05:51,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 13:05:51,282 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:05:51,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:05:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1977681216, now seen corresponding path program 1 times [2024-10-11 13:05:51,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:05:51,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057047286] [2024-10-11 13:05:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:51,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:05:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 13:05:51,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 13:05:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 13:05:51,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 13:05:51,362 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 13:05:51,363 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 13:05:51,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 13:05:51,366 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 13:05:51,418 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 13:05:51,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:05:51 BoogieIcfgContainer [2024-10-11 13:05:51,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 13:05:51,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 13:05:51,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 13:05:51,422 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 13:05:51,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:49" (3/4) ... [2024-10-11 13:05:51,424 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 13:05:51,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 13:05:51,426 INFO L158 Benchmark]: Toolchain (without parser) took 2852.78ms. Allocated memory was 195.0MB in the beginning and 253.8MB in the end (delta: 58.7MB). Free memory was 126.6MB in the beginning and 150.6MB in the end (delta: -23.9MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-10-11 13:05:51,427 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 78.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 13:05:51,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.94ms. Allocated memory is still 195.0MB. Free memory was 126.4MB in the beginning and 112.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 13:05:51,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.52ms. Allocated memory is still 195.0MB. Free memory was 112.3MB in the beginning and 110.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 13:05:51,428 INFO L158 Benchmark]: Boogie Preprocessor took 49.34ms. Allocated memory is still 195.0MB. Free memory was 110.1MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 13:05:51,428 INFO L158 Benchmark]: RCFGBuilder took 455.07ms. Allocated memory is still 195.0MB. Free memory was 107.5MB in the beginning and 151.7MB in the end (delta: -44.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-10-11 13:05:51,428 INFO L158 Benchmark]: TraceAbstraction took 1942.94ms. Allocated memory was 195.0MB in the beginning and 253.8MB in the end (delta: 58.7MB). Free memory was 150.9MB in the beginning and 151.6MB in the end (delta: -676.6kB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-10-11 13:05:51,428 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 253.8MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 13:05:51,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 78.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.94ms. Allocated memory is still 195.0MB. Free memory was 126.4MB in the beginning and 112.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.52ms. Allocated memory is still 195.0MB. Free memory was 112.3MB in the beginning and 110.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.34ms. Allocated memory is still 195.0MB. Free memory was 110.1MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.07ms. Allocated memory is still 195.0MB. Free memory was 107.5MB in the beginning and 151.7MB in the end (delta: -44.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1942.94ms. Allocated memory was 195.0MB in the beginning and 253.8MB in the end (delta: 58.7MB). Free memory was 150.9MB in the beginning and 151.6MB in the end (delta: -676.6kB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 253.8MB. Free memory was 151.6MB in the beginning and 150.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 89. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] signed short int var_1_2 = 0; [L24] signed short int var_1_3 = 1000; [L25] signed short int var_1_4 = 10; [L26] signed short int var_1_5 = 32; [L27] signed long int var_1_6 = 5; [L28] float var_1_7 = 1.1; [L29] float var_1_8 = 7.8; [L30] float var_1_9 = 1.75; [L31] signed long int var_1_10 = 32; [L32] unsigned char var_1_11 = 64; [L33] signed long int var_1_12 = 1230482582; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_short() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L62] CALL assume_abort_if_not(var_1_2 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L62] RET assume_abort_if_not(var_1_2 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L63] var_1_3 = __VERIFIER_nondet_short() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L65] CALL assume_abort_if_not(var_1_3 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L65] RET assume_abort_if_not(var_1_3 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L66] var_1_4 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L68] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L68] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=32, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L69] var_1_5 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L71] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L71] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_7=11/10, var_1_8=39/5, var_1_9=7/4] [L72] var_1_7 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L73] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_8=39/5, var_1_9=7/4] [L74] var_1_8 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_9=7/4] [L75] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5, var_1_9=7/4] [L76] var_1_9 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L77] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L79] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L80] CALL assume_abort_if_not(var_1_11 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L80] RET assume_abort_if_not(var_1_11 <= 255) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L81] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L81] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1230482582, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L82] var_1_12 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L83] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=-5, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L97] RET updateVariables() [L98] CALL step() [L37] var_1_1 = ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L38] COND TRUE var_1_2 >= var_1_1 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=5] [L39] COND FALSE !(((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) [L42] var_1_6 = var_1_1 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=0] [L47] EXPR var_1_4 << var_1_2 VAL [isInitial=1, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=0] [L47] signed long int stepLocal_1 = var_1_6 + (var_1_4 << var_1_2); [L48] signed long int stepLocal_0 = var_1_2 - (var_1_12 - var_1_5); VAL [isInitial=1, stepLocal_0=-1073725456, stepLocal_1=0, var_1_10=32, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=0] [L49] COND FALSE !(stepLocal_1 != var_1_5) [L56] var_1_10 = var_1_2 VAL [isInitial=1, stepLocal_0=-1073725456, var_1_10=16367, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=0] [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) VAL [isInitial=1, var_1_10=16367, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=0] [L89-L90] return ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=16367, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=0] [L19] reach_error() VAL [isInitial=1, var_1_10=16367, var_1_11=1, var_1_12=1073741823, var_1_1=0, var_1_2=16367, var_1_3=16383, var_1_4=0, var_1_5=0, var_1_6=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 120 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 2214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 960/960 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 [2024-10-11 13:05:51,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-39.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 5d39645531c2e289d9f43a5da1a6328789e313cb06da9f811e7841e4f10030f5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:05:53,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:05:53,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 13:05:53,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:05:53,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:05:53,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:05:53,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:05:53,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:05:53,566 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:05:53,567 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:05:53,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:05:53,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:05:53,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:05:53,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:05:53,568 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:05:53,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:05:53,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:05:53,569 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:05:53,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:05:53,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:05:53,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:05:53,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:05:53,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:05:53,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 13:05:53,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 13:05:53,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:05:53,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 13:05:53,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:05:53,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:05:53,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:05:53,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:05:53,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:05:53,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:05:53,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:05:53,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:53,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:05:53,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:05:53,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:05:53,579 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 13:05:53,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 13:05:53,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:05:53,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:05:53,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:05:53,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:05:53,580 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 13:05:53,580 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d39645531c2e289d9f43a5da1a6328789e313cb06da9f811e7841e4f10030f5 [2024-10-11 13:05:53,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:05:53,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:05:53,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:05:53,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:05:53,851 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:05:53,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-39.i [2024-10-11 13:05:55,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:05:55,453 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:05:55,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-39.i [2024-10-11 13:05:55,461 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e15963ed7/ef7568aca40e48368ded266e41fe8650/FLAGe0d29765e [2024-10-11 13:05:55,473 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e15963ed7/ef7568aca40e48368ded266e41fe8650 [2024-10-11 13:05:55,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:05:55,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:05:55,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:55,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:05:55,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:05:55,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eba1f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55, skipping insertion in model container [2024-10-11 13:05:55,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:05:55,645 WARN L248 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-39.i[913,926] [2024-10-11 13:05:55,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:55,700 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:05:55,711 WARN L248 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-39.i[913,926] [2024-10-11 13:05:55,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:55,759 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:05:55,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55 WrapperNode [2024-10-11 13:05:55,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:55,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:55,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:05:55,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:05:55,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,804 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-10-11 13:05:55,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:55,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:05:55,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:05:55,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:05:55,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,833 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]. [2024-10-11 13:05:55,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:05:55,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:05:55,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:05:55,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:05:55,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (1/1) ... [2024-10-11 13:05:55,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:55,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:05:55,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:05:55,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:05:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:05:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 13:05:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:05:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:05:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:05:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:05:55,995 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:05:55,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:05:56,445 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 13:05:56,446 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:05:56,497 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:05:56,497 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:05:56,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:56 BoogieIcfgContainer [2024-10-11 13:05:56,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:05:56,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:05:56,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:05:56,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:05:56,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:05:55" (1/3) ... [2024-10-11 13:05:56,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f41a014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:05:56, skipping insertion in model container [2024-10-11 13:05:56,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:55" (2/3) ... [2024-10-11 13:05:56,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f41a014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:05:56, skipping insertion in model container [2024-10-11 13:05:56,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:56" (3/3) ... [2024-10-11 13:05:56,506 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-39.i [2024-10-11 13:05:56,518 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:05:56,519 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:05:56,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:05:56,575 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;@55ae3b0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:05:56,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:05:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 24 states have (on average 1.375) internal successors, (33), 25 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 13:05:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 13:05:56,586 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:05:56,587 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:05:56,587 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:05:56,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:05:56,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1275247819, now seen corresponding path program 1 times [2024-10-11 13:05:56,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 13:05:56,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503968148] [2024-10-11 13:05:56,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:56,604 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 [2024-10-11 13:05:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 13:05:56,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 13:05:56,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 13:05:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:56,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 13:05:56,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:05:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-10-11 13:05:56,835 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:05:56,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 13:05:56,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503968148] [2024-10-11 13:05:56,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503968148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:05:56,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:05:56,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:05:56,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637111111] [2024-10-11 13:05:56,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:05:56,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:05:56,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 13:05:56,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:05:56,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:05:56,861 INFO L87 Difference]: Start difference. First operand has 43 states, 24 states have (on average 1.375) internal successors, (33), 25 states have internal predecessors, (33), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 13:05:56,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:05:56,957 INFO L93 Difference]: Finished difference Result 83 states and 144 transitions. [2024-10-11 13:05:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:05:56,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 97 [2024-10-11 13:05:56,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:05:56,972 INFO L225 Difference]: With dead ends: 83 [2024-10-11 13:05:56,972 INFO L226 Difference]: Without dead ends: 41 [2024-10-11 13:05:56,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:05:56,980 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:05:56,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 13:05:57,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-11 13:05:57,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-11 13:05:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 13:05:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 60 transitions. [2024-10-11 13:05:57,023 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 60 transitions. Word has length 97 [2024-10-11 13:05:57,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:05:57,023 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 60 transitions. [2024-10-11 13:05:57,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 13:05:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-10-11 13:05:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 13:05:57,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:05:57,027 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:05:57,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 13:05:57,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 13:05:57,229 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:05:57,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:05:57,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1884701757, now seen corresponding path program 1 times [2024-10-11 13:05:57,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 13:05:57,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182701396] [2024-10-11 13:05:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:57,233 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 [2024-10-11 13:05:57,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 13:05:57,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 13:05:57,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 13:05:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:57,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 13:05:57,400 INFO L278 TraceCheckSpWp]: Computing forward predicates...