./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-56.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 7798acf561c7fb0fb1f576a7514070b963e36dc11e67ab2816af6c79c872b890 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:57:02,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:57:02,705 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:57:02,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:57:02,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:57:02,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:57:02,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:57:02,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:57:02,753 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:57:02,755 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:57:02,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:57:02,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:57:02,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:57:02,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:57:02,758 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:57:02,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:57:02,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:57:02,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:57:02,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:57:02,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:57:02,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:57:02,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:57:02,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:57:02,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:57:02,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:57:02,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:57:02,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:57:02,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:57:02,763 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:57:02,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:57:02,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:57:02,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:57:02,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:57:02,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:57:02,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:57:02,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:57:02,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:57:02,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:57:02,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:57:02,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:57:02,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:57:02,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:57:02,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7798acf561c7fb0fb1f576a7514070b963e36dc11e67ab2816af6c79c872b890 [2024-11-16 14:57:03,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:57:03,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:57:03,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:57:03,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:57:03,035 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:57:03,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-56.i [2024-11-16 14:57:04,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:57:04,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:57:04,764 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-56.i [2024-11-16 14:57:04,776 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16e7a5b1/7d61e7acfa0a49a09c252c667bd8ef99/FLAGbe64bf4e8 [2024-11-16 14:57:04,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e16e7a5b1/7d61e7acfa0a49a09c252c667bd8ef99 [2024-11-16 14:57:04,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:57:04,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:57:04,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:57:04,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:57:04,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:57:04,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:57:04" (1/1) ... [2024-11-16 14:57:04,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d100dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:04, skipping insertion in model container [2024-11-16 14:57:04,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:57:04" (1/1) ... [2024-11-16 14:57:04,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:57:05,082 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_fillercode_fillercodestructure_filler-ps-ci_file-56.i[919,932] [2024-11-16 14:57:05,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:57:05,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:57:05,190 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_fillercode_fillercodestructure_filler-ps-ci_file-56.i[919,932] [2024-11-16 14:57:05,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:57:05,272 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:57:05,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05 WrapperNode [2024-11-16 14:57:05,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:57:05,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:57:05,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:57:05,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:57:05,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,371 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2024-11-16 14:57:05,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:57:05,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:57:05,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:57:05,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:57:05,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,419 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]. [2024-11-16 14:57:05,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:57:05,460 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:57:05,461 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:57:05,461 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:57:05,462 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (1/1) ... [2024-11-16 14:57:05,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:57:05,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:57:05,493 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) [2024-11-16 14:57:05,496 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 [2024-11-16 14:57:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:57:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:57:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:57:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:57:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:57:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:57:05,643 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:57:05,645 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:57:06,117 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 14:57:06,117 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:57:06,140 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:57:06,141 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:57:06,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:57:06 BoogieIcfgContainer [2024-11-16 14:57:06,142 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:57:06,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:57:06,145 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:57:06,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:57:06,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:57:04" (1/3) ... [2024-11-16 14:57:06,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3b43af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:57:06, skipping insertion in model container [2024-11-16 14:57:06,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:57:05" (2/3) ... [2024-11-16 14:57:06,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3b43af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:57:06, skipping insertion in model container [2024-11-16 14:57:06,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:57:06" (3/3) ... [2024-11-16 14:57:06,152 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-56.i [2024-11-16 14:57:06,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:57:06,169 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:57:06,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:57:06,250 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;@36bde963, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:57:06,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:57:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 62 states have internal predecessors, (85), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-16 14:57:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-16 14:57:06,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:57:06,279 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:57:06,280 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:57:06,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:57:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash -91462752, now seen corresponding path program 1 times [2024-11-16 14:57:06,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:57:06,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085188745] [2024-11-16 14:57:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:57:06,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:57:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:57:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:57:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:57:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:57:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:57:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:57:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:57:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:57:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:57:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:57:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:57:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:57:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:57:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:57:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:57:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:57:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:57:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:57:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:57:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:57:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:57:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:57:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:57:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:57:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:57:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:57:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:57:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:57:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 14:57:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:57:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 14:57:06,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:57:06,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085188745] [2024-11-16 14:57:06,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085188745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:57:06,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:57:06,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:57:06,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998370786] [2024-11-16 14:57:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:57:06,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:57:06,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:57:06,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:57:06,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:57:06,897 INFO L87 Difference]: Start difference. First operand has 94 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 62 states have internal predecessors, (85), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 14:57:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:57:06,934 INFO L93 Difference]: Finished difference Result 179 states and 311 transitions. [2024-11-16 14:57:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:57:06,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 195 [2024-11-16 14:57:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:57:06,946 INFO L225 Difference]: With dead ends: 179 [2024-11-16 14:57:06,946 INFO L226 Difference]: Without dead ends: 88 [2024-11-16 14:57:06,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:57:06,954 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:57:06,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:57:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-16 14:57:06,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-16 14:57:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 56 states have internal predecessors, (74), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-16 14:57:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2024-11-16 14:57:07,002 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 195 [2024-11-16 14:57:07,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:57:07,003 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2024-11-16 14:57:07,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 14:57:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2024-11-16 14:57:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-16 14:57:07,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:57:07,010 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:57:07,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:57:07,012 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:57:07,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:57:07,013 INFO L85 PathProgramCache]: Analyzing trace with hash 623433860, now seen corresponding path program 1 times [2024-11-16 14:57:07,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:57:07,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965390367] [2024-11-16 14:57:07,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:57:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:57:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:57:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:57:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:57:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:57:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:57:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:57:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:57:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:57:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:57:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:57:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:57:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:57:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:57:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:57:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:57:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:57:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:57:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 14:57:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 14:57:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 14:57:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 14:57:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 14:57:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 14:57:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 14:57:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 14:57:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 14:57:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 14:57:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 14:57:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-16 14:57:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 14:57:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:57:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 14:57:08,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:57:08,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965390367] [2024-11-16 14:57:08,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965390367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:57:08,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:57:08,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:57:08,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941848400] [2024-11-16 14:57:08,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:57:08,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:57:08,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:57:08,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:57:08,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:57:08,491 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 14:57:08,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:57:08,640 INFO L93 Difference]: Finished difference Result 223 states and 331 transitions. [2024-11-16 14:57:08,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:57:08,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 195 [2024-11-16 14:57:08,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:57:08,647 INFO L225 Difference]: With dead ends: 223 [2024-11-16 14:57:08,647 INFO L226 Difference]: Without dead ends: 138 [2024-11-16 14:57:08,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:57:08,650 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 84 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:57:08,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 298 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:57:08,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-16 14:57:08,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2024-11-16 14:57:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 80 states have (on average 1.3125) internal successors, (105), 81 states have internal predecessors, (105), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 14:57:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 173 transitions. [2024-11-16 14:57:08,686 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 173 transitions. Word has length 195 [2024-11-16 14:57:08,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:57:08,687 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 173 transitions. [2024-11-16 14:57:08,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 14:57:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2024-11-16 14:57:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-16 14:57:08,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:57:08,697 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:57:08,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:57:08,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:57:08,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:57:08,698 INFO L85 PathProgramCache]: Analyzing trace with hash 752516579, now seen corresponding path program 1 times [2024-11-16 14:57:08,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:57:08,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15681262] [2024-11-16 14:57:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:57:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:57:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat