./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_codestructure_steplocals_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:39:50,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:39:50,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 02:39:50,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:39:50,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:39:50,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:39:50,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:39:50,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:39:50,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:39:50,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:39:50,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:39:50,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:39:50,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:39:50,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:39:50,763 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:39:50,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:39:50,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:39:50,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:39:50,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:39:50,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:39:50,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:39:50,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:39:50,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:39:50,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:39:50,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:39:50,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:39:50,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:39:50,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:39:50,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:39:50,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:39:50,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:39:50,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:39:50,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:39:50,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:39:50,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:39:50,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:39:50,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:39:50,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:39:50,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:39:50,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:39:50,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:39:50,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:39:50,775 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 [2024-11-20 02:39:51,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:39:51,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:39:51,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:39:51,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:39:51,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:39:51,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i [2024-11-20 02:39:52,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:39:52,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:39:52,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i [2024-11-20 02:39:52,791 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6d86ace/aed132236b0c45b1b6271b3fd178ef12/FLAG24af47606 [2024-11-20 02:39:52,805 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6d86ace/aed132236b0c45b1b6271b3fd178ef12 [2024-11-20 02:39:52,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:39:52,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:39:52,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:39:52,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:39:52,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:39:52,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:39:52" (1/1) ... [2024-11-20 02:39:52,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57016b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:52, skipping insertion in model container [2024-11-20 02:39:52,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:39:52" (1/1) ... [2024-11-20 02:39:52,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:39:53,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-20 02:39:53,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:39:53,095 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:39:53,105 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-20 02:39:53,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:39:53,151 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:39:53,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53 WrapperNode [2024-11-20 02:39:53,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:39:53,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:39:53,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:39:53,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:39:53,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,217 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2024-11-20 02:39:53,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:39:53,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:39:53,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:39:53,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:39:53,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,272 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 02:39:53,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:39:53,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:39:53,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:39:53,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:39:53,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (1/1) ... [2024-11-20 02:39:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:39:53,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:39:53,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 02:39:53,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 02:39:53,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:39:53,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:39:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:39:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:39:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:39:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:39:53,487 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:39:53,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:39:53,793 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-20 02:39:53,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:39:53,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:39:53,822 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:39:53,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:39:53 BoogieIcfgContainer [2024-11-20 02:39:53,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:39:53,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:39:53,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:39:53,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:39:53,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:39:52" (1/3) ... [2024-11-20 02:39:53,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de88baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:39:53, skipping insertion in model container [2024-11-20 02:39:53,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:39:53" (2/3) ... [2024-11-20 02:39:53,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de88baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:39:53, skipping insertion in model container [2024-11-20 02:39:53,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:39:53" (3/3) ... [2024-11-20 02:39:53,836 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-48.i [2024-11-20 02:39:53,852 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:39:53,853 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:39:53,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:39:53,919 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;@55b28bf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:39:53,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:39:53,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:39:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:39:53,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:39:53,937 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:39:53,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:39:53,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:39:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash -759303571, now seen corresponding path program 1 times [2024-11-20 02:39:53,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:39:53,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388468201] [2024-11-20 02:39:53,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:39:53,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:39:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:39:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:39:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:39:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 02:39:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 02:39:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 02:39:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 02:39:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 02:39:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 02:39:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 02:39:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 02:39:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 02:39:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 02:39:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 02:39:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 02:39:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 02:39:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 02:39:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 02:39:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 02:39:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 02:39:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 02:39:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 02:39:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:39:54,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:39:54,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388468201] [2024-11-20 02:39:54,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388468201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:39:54,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:39:54,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:39:54,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450571384] [2024-11-20 02:39:54,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:39:54,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:39:54,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:39:54,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:39:54,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:39:54,517 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:39:54,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:39:54,544 INFO L93 Difference]: Finished difference Result 128 states and 222 transitions. [2024-11-20 02:39:54,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:39:54,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-20 02:39:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:39:54,553 INFO L225 Difference]: With dead ends: 128 [2024-11-20 02:39:54,554 INFO L226 Difference]: Without dead ends: 63 [2024-11-20 02:39:54,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:39:54,560 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:39:54,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:39:54,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-20 02:39:54,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-20 02:39:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:39:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-20 02:39:54,603 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 140 [2024-11-20 02:39:54,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:39:54,603 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-20 02:39:54,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:39:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-20 02:39:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:39:54,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:39:54,607 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:39:54,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:39:54,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:39:54,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:39:54,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1320888027, now seen corresponding path program 1 times [2024-11-20 02:39:54,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:39:54,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183480996] [2024-11-20 02:39:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:39:54,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:39:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:39:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:39:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:39:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 02:39:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 02:39:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 02:39:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 02:39:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 02:39:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 02:39:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 02:39:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 02:39:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 02:39:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 02:39:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 02:39:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 02:39:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 02:39:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 02:39:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 02:39:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 02:39:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 02:39:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 02:39:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 02:39:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:39:54,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:39:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183480996] [2024-11-20 02:39:54,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183480996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:39:54,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:39:54,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 02:39:54,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428934130] [2024-11-20 02:39:54,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:39:54,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 02:39:54,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:39:54,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 02:39:54,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:39:54,913 INFO L87 Difference]: Start difference. First operand 63 states and 94 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:39:54,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:39:54,975 INFO L93 Difference]: Finished difference Result 141 states and 211 transitions. [2024-11-20 02:39:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:39:54,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-11-20 02:39:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:39:54,984 INFO L225 Difference]: With dead ends: 141 [2024-11-20 02:39:54,984 INFO L226 Difference]: Without dead ends: 81 [2024-11-20 02:39:54,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:39:54,987 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 20 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:39:54,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:39:54,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-20 02:39:54,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2024-11-20 02:39:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:39:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 101 transitions. [2024-11-20 02:39:55,004 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 101 transitions. Word has length 140 [2024-11-20 02:39:55,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:39:55,006 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 101 transitions. [2024-11-20 02:39:55,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:39:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2024-11-20 02:39:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:39:55,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:39:55,012 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:39:55,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:39:55,012 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:39:55,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:39:55,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2130234653, now seen corresponding path program 1 times [2024-11-20 02:39:55,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:39:55,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423294261] [2024-11-20 02:39:55,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:39:55,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:39:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:39:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:39:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:39:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 02:39:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 02:39:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 02:39:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 02:39:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 02:39:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-20 02:39:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 02:39:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 02:39:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 02:39:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 02:39:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 02:39:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-20 02:39:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 02:39:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 02:39:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 02:39:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 02:39:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 02:39:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 02:39:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 02:39:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:39:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:39:55,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:39:55,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423294261] [2024-11-20 02:39:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423294261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:39:55,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:39:55,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 02:39:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073164422] [2024-11-20 02:39:55,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:39:55,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 02:39:55,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:39:55,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 02:39:55,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:39:55,679 INFO L87 Difference]: Start difference. First operand 68 states and 101 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 02:39:55,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:39:55,883 INFO L93 Difference]: Finished difference Result 198 states and 297 transitions. [2024-11-20 02:39:55,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:39:55,883 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 140 [2024-11-20 02:39:55,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:39:55,886 INFO L225 Difference]: With dead ends: 198 [2024-11-20 02:39:55,886 INFO L226 Difference]: Without dead ends: 133 [2024-11-20 02:39:55,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:39:55,888 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 64 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:39:55,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 290 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:39:55,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-20 02:39:55,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-11-20 02:39:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 84 states have (on average 1.2976190476190477) internal successors, (109), 84 states have internal predecessors, (109), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:39:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 197 transitions. [2024-11-20 02:39:55,909 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 197 transitions. Word has length 140 [2024-11-20 02:39:55,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:39:55,910 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 197 transitions. [2024-11-20 02:39:55,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 02:39:55,910 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2024-11-20 02:39:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:39:55,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:39:55,914 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:39:55,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:39:55,915 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:39:55,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:39:55,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2072976351, now seen corresponding path program 1 times [2024-11-20 02:39:55,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:39:55,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070274277] [2024-11-20 02:39:55,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:39:55,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:39:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:39:56,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 02:39:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:39:56,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 02:39:56,148 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 02:39:56,149 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 02:39:56,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 02:39:56,154 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 02:39:56,249 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 02:39:56,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:39:56 BoogieIcfgContainer [2024-11-20 02:39:56,252 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 02:39:56,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 02:39:56,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 02:39:56,253 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 02:39:56,253 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:39:53" (3/4) ... [2024-11-20 02:39:56,256 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 02:39:56,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 02:39:56,258 INFO L158 Benchmark]: Toolchain (without parser) took 3448.78ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 101.4MB in the beginning and 127.1MB in the end (delta: -25.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-20 02:39:56,258 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:39:56,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.45ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 85.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 02:39:56,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 81.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 02:39:56,259 INFO L158 Benchmark]: Boogie Preprocessor took 87.24ms. Allocated memory is still 155.2MB. Free memory was 81.3MB in the beginning and 76.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 02:39:56,260 INFO L158 Benchmark]: RCFGBuilder took 515.91ms. Allocated memory is still 155.2MB. Free memory was 76.2MB in the beginning and 55.8MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-20 02:39:56,260 INFO L158 Benchmark]: TraceAbstraction took 2425.22ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 55.2MB in the beginning and 127.1MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:39:56,260 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 213.9MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:39:56,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.45ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 85.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 81.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.24ms. Allocated memory is still 155.2MB. Free memory was 81.3MB in the beginning and 76.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 515.91ms. Allocated memory is still 155.2MB. Free memory was 76.2MB in the beginning and 55.8MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2425.22ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 55.2MB in the beginning and 127.1MB in the end (delta: -71.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 213.9MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] signed long int var_1_19 = 128; VAL [isInitial=0, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] FCALL updateLastVariables() [L145] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L101] var_1_3 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L102] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L103] var_1_4 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L104] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L105] var_1_5 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L106] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L107] var_1_6 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L108] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L109] var_1_7 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L111] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5, var_1_9=307/20] [L111] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5, var_1_9=307/20] [L112] var_1_9 = __VERIFIER_nondet_double() [L113] 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=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L113] 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=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L114] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L114] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L117] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L117] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L119] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L120] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L120] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L121] var_1_15 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L122] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L123] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L123] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L124] var_1_16 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L125] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L126] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L126] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-64, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L127] var_1_17 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L128] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L129] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L129] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=128, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L130] var_1_19 = __VERIFIER_nondet_long() [L131] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L131] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L132] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L132] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=10, var_1_2=0, var_1_7=-65536, var_1_8=5] [L145] RET updateVariables() [L146] CALL step() [L44] COND FALSE !(\read(var_1_2)) [L51] var_1_1 = 1 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=5] [L53] unsigned short int stepLocal_0 = var_1_7; VAL [isInitial=1, stepLocal_0=-65536, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=5] [L54] COND TRUE var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9)))) [L55] var_1_8 = ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) VAL [isInitial=1, stepLocal_0=-65536, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L63] COND FALSE !(\read(var_1_2)) [L72] var_1_12 = var_1_8 VAL [isInitial=1, stepLocal_0=-65536, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L74] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, stepLocal_0=-65536, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L77] signed long int stepLocal_1 = ((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)); VAL [isInitial=1, stepLocal_0=-65536, stepLocal_1=256, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L78] COND FALSE !(var_1_10 == stepLocal_1) [L81] var_1_14 = var_1_17 VAL [isInitial=1, stepLocal_0=-65536, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=64, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L83] COND TRUE var_1_7 == var_1_12 [L84] var_1_18 = (var_1_10 + ((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16)))) VAL [isInitial=1, stepLocal_0=-65536, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (var_1_1 + var_1_10)))) : (var_1_12 == ((signed long int) var_1_1))) : 1) : (var_1_12 == ((signed long int) var_1_8)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_13)) ? ((var_1_15 - var_1_16)) : (var_1_13)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_7 == var_1_12) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_8) < (var_1_16)) ? (var_1_8) : (var_1_16)))))) : ((var_1_14 != var_1_16) ? ((-256 >= var_1_19) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=256, var_1_14=-1, var_1_15=131, var_1_16=127, var_1_17=-1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_2=0, var_1_7=-65536, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 561 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 283 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 278 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2772/2772 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 02:39:56,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:39:58,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:39:58,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 02:39:58,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:39:58,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:39:58,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:39:58,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:39:58,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:39:58,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:39:58,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:39:58,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:39:58,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:39:58,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:39:58,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:39:58,637 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:39:58,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:39:58,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:39:58,639 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:39:58,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:39:58,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:39:58,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:39:58,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:39:58,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:39:58,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 02:39:58,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 02:39:58,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:39:58,645 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 02:39:58,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:39:58,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:39:58,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:39:58,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:39:58,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:39:58,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:39:58,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:39:58,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:39:58,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:39:58,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:39:58,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:39:58,649 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 02:39:58,649 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 02:39:58,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:39:58,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:39:58,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:39:58,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:39:58,651 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 171a765531b95b232fbab2e745bfaf521ee849c63dff03ab59f51e1f7468f906 [2024-11-20 02:39:58,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:39:59,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:39:59,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:39:59,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:39:59,022 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:39:59,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i [2024-11-20 02:40:00,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:40:00,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:40:00,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i [2024-11-20 02:40:00,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c790af9/816310fed8a8440494bd3aeaff622d11/FLAG4c36896ad [2024-11-20 02:40:00,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c790af9/816310fed8a8440494bd3aeaff622d11 [2024-11-20 02:40:00,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:40:00,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:40:00,755 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:40:00,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:40:00,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:40:00,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:40:00" (1/1) ... [2024-11-20 02:40:00,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c558c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:00, skipping insertion in model container [2024-11-20 02:40:00,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:40:00" (1/1) ... [2024-11-20 02:40:00,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:40:00,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-20 02:40:01,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:40:01,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:40:01,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-48.i[917,930] [2024-11-20 02:40:01,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:40:01,160 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:40:01,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01 WrapperNode [2024-11-20 02:40:01,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:40:01,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:40:01,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:40:01,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:40:01,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,229 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2024-11-20 02:40:01,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:40:01,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:40:01,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:40:01,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:40:01,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,287 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 02:40:01,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:40:01,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:40:01,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:40:01,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:40:01,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (1/1) ... [2024-11-20 02:40:01,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:40:01,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:40:01,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 02:40:01,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 02:40:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:40:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 02:40:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:40:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:40:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:40:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:40:01,495 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:40:01,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:40:21,538 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-20 02:40:21,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:40:21,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:40:21,558 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:40:21,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:40:21 BoogieIcfgContainer [2024-11-20 02:40:21,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:40:21,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:40:21,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:40:21,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:40:21,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:40:00" (1/3) ... [2024-11-20 02:40:21,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c436df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:40:21, skipping insertion in model container [2024-11-20 02:40:21,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:40:01" (2/3) ... [2024-11-20 02:40:21,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c436df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:40:21, skipping insertion in model container [2024-11-20 02:40:21,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:40:21" (3/3) ... [2024-11-20 02:40:21,581 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-48.i [2024-11-20 02:40:21,598 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:40:21,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:40:21,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:40:21,673 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;@6d8ecca4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:40:21,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:40:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:40:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:40:21,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:40:21,698 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:40:21,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:40:21,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:40:21,707 INFO L85 PathProgramCache]: Analyzing trace with hash -759303571, now seen corresponding path program 1 times [2024-11-20 02:40:21,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:40:21,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205299736] [2024-11-20 02:40:21,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:40:21,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:40:21,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:40:21,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:40:21,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 02:40:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:40:23,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 02:40:23,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:40:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-20 02:40:23,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:40:23,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:40:23,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205299736] [2024-11-20 02:40:23,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205299736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:40:23,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:40:23,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:40:23,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568594229] [2024-11-20 02:40:23,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:40:23,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:40:23,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:40:23,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:40:23,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:40:23,380 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:40:23,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:40:23,417 INFO L93 Difference]: Finished difference Result 128 states and 222 transitions. [2024-11-20 02:40:23,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:40:23,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-20 02:40:23,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:40:23,430 INFO L225 Difference]: With dead ends: 128 [2024-11-20 02:40:23,430 INFO L226 Difference]: Without dead ends: 63 [2024-11-20 02:40:23,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:40:23,440 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:40:23,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:40:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-20 02:40:23,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-20 02:40:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 39 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:40:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2024-11-20 02:40:23,496 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 140 [2024-11-20 02:40:23,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:40:23,497 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2024-11-20 02:40:23,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 02:40:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2024-11-20 02:40:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:40:23,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:40:23,503 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:40:23,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-20 02:40:23,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:40:23,708 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:40:23,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:40:23,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1320888027, now seen corresponding path program 1 times [2024-11-20 02:40:23,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:40:23,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106290643] [2024-11-20 02:40:23,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:40:23,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:40:23,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:40:23,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:40:23,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 02:40:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:40:25,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 02:40:25,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:40:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:40:25,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:40:25,459 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:40:25,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106290643] [2024-11-20 02:40:25,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106290643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:40:25,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:40:25,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 02:40:25,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057537447] [2024-11-20 02:40:25,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:40:25,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 02:40:25,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:40:25,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 02:40:25,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:40:25,463 INFO L87 Difference]: Start difference. First operand 63 states and 94 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:40:30,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:40:34,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:40:34,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:40:34,274 INFO L93 Difference]: Finished difference Result 141 states and 211 transitions. [2024-11-20 02:40:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:40:34,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-11-20 02:40:34,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:40:34,279 INFO L225 Difference]: With dead ends: 141 [2024-11-20 02:40:34,279 INFO L226 Difference]: Without dead ends: 81 [2024-11-20 02:40:34,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:40:34,281 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 20 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-20 02:40:34,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2024-11-20 02:40:34,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-20 02:40:34,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2024-11-20 02:40:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 02:40:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 101 transitions. [2024-11-20 02:40:34,295 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 101 transitions. Word has length 140 [2024-11-20 02:40:34,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:40:34,296 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 101 transitions. [2024-11-20 02:40:34,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:40:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2024-11-20 02:40:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:40:34,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:40:34,299 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:40:34,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-20 02:40:34,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:40:34,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:40:34,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:40:34,501 INFO L85 PathProgramCache]: Analyzing trace with hash -2130234653, now seen corresponding path program 1 times [2024-11-20 02:40:34,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:40:34,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729798893] [2024-11-20 02:40:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:40:34,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:40:34,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:40:34,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:40:34,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-20 02:40:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:40:35,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 02:40:35,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:40:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 02:40:41,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:40:41,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:40:41,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729798893] [2024-11-20 02:40:41,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729798893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:40:41,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:40:41,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 02:40:41,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132705404] [2024-11-20 02:40:41,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:40:41,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:40:41,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:40:41,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:40:41,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:40:41,710 INFO L87 Difference]: Start difference. First operand 68 states and 101 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:40:46,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:40:50,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:40:54,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:40:58,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 02:40:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:40:58,598 INFO L93 Difference]: Finished difference Result 198 states and 297 transitions. [2024-11-20 02:40:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:40:58,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-11-20 02:40:58,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:40:58,783 INFO L225 Difference]: With dead ends: 198 [2024-11-20 02:40:58,783 INFO L226 Difference]: Without dead ends: 133 [2024-11-20 02:40:58,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:40:58,785 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 22 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-20 02:40:58,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 269 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2024-11-20 02:40:58,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-20 02:40:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-11-20 02:40:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 84 states have (on average 1.2976190476190477) internal successors, (109), 84 states have internal predecessors, (109), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:40:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 197 transitions. [2024-11-20 02:40:58,808 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 197 transitions. Word has length 140 [2024-11-20 02:40:58,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:40:58,812 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 197 transitions. [2024-11-20 02:40:58,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 02:40:58,813 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2024-11-20 02:40:58,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-20 02:40:58,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:40:58,815 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:40:58,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-20 02:40:59,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:40:59,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:40:59,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:40:59,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2072976351, now seen corresponding path program 1 times [2024-11-20 02:40:59,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:40:59,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410060250] [2024-11-20 02:40:59,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:40:59,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:40:59,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:40:59,022 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:40:59,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-20 02:41:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:00,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 02:41:00,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:41:09,405 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 02:41:17,569 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 02:41:26,090 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)