./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_fillercode_fillercodestructure_filler-pr-co_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_fillercode_fillercodestructure_filler-pr-co_file-28.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 cad4d7b451aedc3eeb7972a3b18afdd15d9eeb92c7ee5d5c9ec843657b913929 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:47:59,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:47:59,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:47:59,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:47:59,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:47:59,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:47:59,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:47:59,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:47:59,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:47:59,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:47:59,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:47:59,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:47:59,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:47:59,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:47:59,305 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:47:59,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:47:59,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:47:59,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:47:59,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:47:59,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:47:59,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:47:59,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:47:59,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:47:59,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:47:59,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:47:59,309 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:47:59,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:47:59,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:47:59,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:47:59,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:47:59,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:47:59,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:47:59,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:47:59,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:47:59,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:47:59,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:47:59,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:47:59,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:47:59,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:47:59,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:47:59,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:47:59,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:47:59,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cad4d7b451aedc3eeb7972a3b18afdd15d9eeb92c7ee5d5c9ec843657b913929 [2024-10-24 07:47:59,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:47:59,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:47:59,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:47:59,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:47:59,611 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:47:59,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-10-24 07:48:01,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:48:01,340 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:48:01,342 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-10-24 07:48:01,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d42d046/53732779f01642ac92899cd8e633ff23/FLAG2bb5351b4 [2024-10-24 07:48:01,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d42d046/53732779f01642ac92899cd8e633ff23 [2024-10-24 07:48:01,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:48:01,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:48:01,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:48:01,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:48:01,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:48:01,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:48:01" (1/1) ... [2024-10-24 07:48:01,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443c35eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:01, skipping insertion in model container [2024-10-24 07:48:01,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:48:01" (1/1) ... [2024-10-24 07:48:01,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:48:01,876 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i[919,932] [2024-10-24 07:48:01,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:48:01,979 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:48:01,989 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i[919,932] [2024-10-24 07:48:02,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:48:02,070 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:48:02,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02 WrapperNode [2024-10-24 07:48:02,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:48:02,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:48:02,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:48:02,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:48:02,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,150 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2024-10-24 07:48:02,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:48:02,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:48:02,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:48:02,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:48:02,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,210 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 07:48:02,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:48:02,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:48:02,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:48:02,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:48:02,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (1/1) ... [2024-10-24 07:48:02,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:48:02,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:48:02,311 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) [2024-10-24 07:48:02,314 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 [2024-10-24 07:48:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:48:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:48:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:48:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:48:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:48:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:48:02,446 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:48:02,447 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:48:02,934 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-24 07:48:02,935 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:48:02,988 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:48:02,989 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:48:02,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:48:02 BoogieIcfgContainer [2024-10-24 07:48:02,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:48:02,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:48:02,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:48:02,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:48:02,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:48:01" (1/3) ... [2024-10-24 07:48:02,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a73351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:48:02, skipping insertion in model container [2024-10-24 07:48:02,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:48:02" (2/3) ... [2024-10-24 07:48:02,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a73351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:48:02, skipping insertion in model container [2024-10-24 07:48:02,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:48:02" (3/3) ... [2024-10-24 07:48:03,000 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-28.i [2024-10-24 07:48:03,018 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:48:03,018 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:48:03,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:48:03,099 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;@247bfef8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:48:03,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:48:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-24 07:48:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-24 07:48:03,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:48:03,124 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:48:03,125 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:48:03,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:48:03,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1159573852, now seen corresponding path program 1 times [2024-10-24 07:48:03,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:48:03,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520020264] [2024-10-24 07:48:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:48:03,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:48:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:48:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:48:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:48:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:48:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:48:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:48:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:48:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:48:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:48:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:48:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:48:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:48:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:48:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:48:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:48:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:48:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:48:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:48:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:48:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:48:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:48:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:48:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:48:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:48:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:48:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:48:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:48:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:48:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:48:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-24 07:48:03,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:48:03,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520020264] [2024-10-24 07:48:03,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520020264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:48:03,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:48:03,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:48:03,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086437096] [2024-10-24 07:48:03,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:48:03,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:48:03,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:48:03,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:48:03,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:48:03,747 INFO L87 Difference]: Start difference. First operand has 98 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 67 states have internal predecessors, (98), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 07:48:03,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:48:03,797 INFO L93 Difference]: Finished difference Result 192 states and 338 transitions. [2024-10-24 07:48:03,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:48:03,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2024-10-24 07:48:03,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:48:03,814 INFO L225 Difference]: With dead ends: 192 [2024-10-24 07:48:03,814 INFO L226 Difference]: Without dead ends: 95 [2024-10-24 07:48:03,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:48:03,822 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:48:03,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:48:03,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-24 07:48:03,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-24 07:48:03,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.40625) internal successors, (90), 64 states have internal predecessors, (90), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-24 07:48:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-10-24 07:48:03,885 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 189 [2024-10-24 07:48:03,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:48:03,886 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-10-24 07:48:03,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-10-24 07:48:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-10-24 07:48:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-24 07:48:03,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:48:03,892 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:48:03,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:48:03,892 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:48:03,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:48:03,893 INFO L85 PathProgramCache]: Analyzing trace with hash 819713566, now seen corresponding path program 1 times [2024-10-24 07:48:03,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:48:03,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139112648] [2024-10-24 07:48:03,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:48:03,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:48:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:48:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:48:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:48:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:48:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:48:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:48:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:48:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:48:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:48:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:48:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:48:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:48:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:48:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:48:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:48:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:48:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:48:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:48:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:48:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:48:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:48:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:48:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:48:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:48:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:48:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:48:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:48:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:48:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:48:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-24 07:48:04,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:48:04,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139112648] [2024-10-24 07:48:04,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139112648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:48:04,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:48:04,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:48:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927351725] [2024-10-24 07:48:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:48:04,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:48:04,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:48:04,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:48:04,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:04,287 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:04,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:48:04,352 INFO L93 Difference]: Finished difference Result 257 states and 398 transitions. [2024-10-24 07:48:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:48:04,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 189 [2024-10-24 07:48:04,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:48:04,361 INFO L225 Difference]: With dead ends: 257 [2024-10-24 07:48:04,363 INFO L226 Difference]: Without dead ends: 163 [2024-10-24 07:48:04,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:04,365 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 89 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:48:04,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 343 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:48:04,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-24 07:48:04,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2024-10-24 07:48:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 107 states have internal predecessors, (146), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-24 07:48:04,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2024-10-24 07:48:04,408 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 189 [2024-10-24 07:48:04,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:48:04,409 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2024-10-24 07:48:04,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2024-10-24 07:48:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-24 07:48:04,416 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:48:04,416 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:48:04,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:48:04,417 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:48:04,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:48:04,417 INFO L85 PathProgramCache]: Analyzing trace with hash 876971868, now seen corresponding path program 1 times [2024-10-24 07:48:04,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:48:04,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792930260] [2024-10-24 07:48:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:48:04,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:48:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:48:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:48:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:48:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:48:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:48:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:48:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:48:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:48:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:48:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:48:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:48:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:48:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:48:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:48:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:48:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:48:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:48:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:48:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:48:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:48:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:48:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:48:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:48:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:48:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:48:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:48:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:48:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:48:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:48:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-24 07:48:04,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:48:04,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792930260] [2024-10-24 07:48:04,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792930260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:48:04,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:48:04,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:48:04,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954465915] [2024-10-24 07:48:04,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:48:04,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:48:04,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:48:04,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:48:04,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:04,745 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:04,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:48:04,794 INFO L93 Difference]: Finished difference Result 321 states and 499 transitions. [2024-10-24 07:48:04,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:48:04,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 189 [2024-10-24 07:48:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:48:04,802 INFO L225 Difference]: With dead ends: 321 [2024-10-24 07:48:04,803 INFO L226 Difference]: Without dead ends: 162 [2024-10-24 07:48:04,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:04,806 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:48:04,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 283 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:48:04,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-24 07:48:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-24 07:48:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 108 states have (on average 1.3703703703703705) internal successors, (148), 109 states have internal predecessors, (148), 51 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-24 07:48:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 250 transitions. [2024-10-24 07:48:04,837 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 250 transitions. Word has length 189 [2024-10-24 07:48:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:48:04,838 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 250 transitions. [2024-10-24 07:48:04,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 250 transitions. [2024-10-24 07:48:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-24 07:48:04,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:48:04,844 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:48:04,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:48:04,845 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:48:04,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:48:04,845 INFO L85 PathProgramCache]: Analyzing trace with hash -711376034, now seen corresponding path program 1 times [2024-10-24 07:48:04,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:48:04,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6849088] [2024-10-24 07:48:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:48:04,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:48:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:48:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:48:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:48:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:48:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:48:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:48:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:48:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:48:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:48:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:48:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:48:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:48:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:48:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:48:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:48:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:48:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:48:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:48:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:48:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:48:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:48:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:48:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:48:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:48:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:48:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:48:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:48:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:48:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:48:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-24 07:48:05,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:48:05,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6849088] [2024-10-24 07:48:05,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6849088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:48:05,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:48:05,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:48:05,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540552346] [2024-10-24 07:48:05,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:48:05,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:48:05,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:48:05,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:48:05,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:05,308 INFO L87 Difference]: Start difference. First operand 162 states and 250 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:05,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:48:05,407 INFO L93 Difference]: Finished difference Result 482 states and 746 transitions. [2024-10-24 07:48:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:48:05,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 189 [2024-10-24 07:48:05,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:48:05,413 INFO L225 Difference]: With dead ends: 482 [2024-10-24 07:48:05,413 INFO L226 Difference]: Without dead ends: 321 [2024-10-24 07:48:05,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:05,418 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 91 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:48:05,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 295 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:48:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-24 07:48:05,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2024-10-24 07:48:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 212 states have (on average 1.3679245283018868) internal successors, (290), 214 states have internal predecessors, (290), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-24 07:48:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 494 transitions. [2024-10-24 07:48:05,473 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 494 transitions. Word has length 189 [2024-10-24 07:48:05,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:48:05,474 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 494 transitions. [2024-10-24 07:48:05,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 494 transitions. [2024-10-24 07:48:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-24 07:48:05,476 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:48:05,476 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:48:05,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:48:05,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:48:05,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:48:05,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1105900618, now seen corresponding path program 1 times [2024-10-24 07:48:05,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:48:05,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275703161] [2024-10-24 07:48:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:48:05,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:48:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:48:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:48:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:48:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:48:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:48:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:48:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:48:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:48:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:48:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:48:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:48:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:48:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:48:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:48:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:48:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:48:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:48:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:48:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:48:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:48:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:48:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:48:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:48:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:48:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:48:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 07:48:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:48:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:48:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:48:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:48:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-10-24 07:48:05,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:48:05,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275703161] [2024-10-24 07:48:05,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275703161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:48:05,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:48:05,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:48:05,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819292809] [2024-10-24 07:48:05,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:48:05,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:48:05,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:48:05,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:48:05,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:05,694 INFO L87 Difference]: Start difference. First operand 319 states and 494 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:05,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:48:05,757 INFO L93 Difference]: Finished difference Result 637 states and 987 transitions. [2024-10-24 07:48:05,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:48:05,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 190 [2024-10-24 07:48:05,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:48:05,761 INFO L225 Difference]: With dead ends: 637 [2024-10-24 07:48:05,761 INFO L226 Difference]: Without dead ends: 319 [2024-10-24 07:48:05,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:48:05,763 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:48:05,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 272 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:48:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-10-24 07:48:05,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 317. [2024-10-24 07:48:05,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 210 states have (on average 1.3523809523809525) internal successors, (284), 212 states have internal predecessors, (284), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 100 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-24 07:48:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 488 transitions. [2024-10-24 07:48:05,807 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 488 transitions. Word has length 190 [2024-10-24 07:48:05,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:48:05,809 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 488 transitions. [2024-10-24 07:48:05,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-10-24 07:48:05,809 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 488 transitions. [2024-10-24 07:48:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-24 07:48:05,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:48:05,812 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:48:05,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:48:05,813 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:48:05,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:48:05,813 INFO L85 PathProgramCache]: Analyzing trace with hash -482447284, now seen corresponding path program 1 times [2024-10-24 07:48:05,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:48:05,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777287789] [2024-10-24 07:48:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:48:05,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:48:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat