./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-98.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 184e37531f75678a35e3524a829bba470e1f2673255cf1cb9b451a6dd4595a7b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:54:28,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:54:28,962 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:54:28,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:54:28,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:54:29,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:54:29,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:54:29,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:54:29,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:54:29,006 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:54:29,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:54:29,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:54:29,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:54:29,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:54:29,009 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:54:29,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:54:29,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:54:29,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:54:29,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:54:29,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:54:29,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:54:29,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:54:29,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:54:29,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:54:29,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:54:29,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:54:29,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:54:29,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:54:29,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:54:29,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:54:29,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:54:29,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:54:29,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:54:29,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:54:29,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:54:29,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:54:29,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:54:29,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:54:29,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:54:29,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:54:29,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:54:29,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:54:29,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184e37531f75678a35e3524a829bba470e1f2673255cf1cb9b451a6dd4595a7b [2024-11-12 01:54:29,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:54:29,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:54:29,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:54:29,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:54:29,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:54:29,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-98.i [2024-11-12 01:54:30,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:54:30,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:54:30,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-98.i [2024-11-12 01:54:30,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7859e0531/c21d2b4809d94f129952bf804dc808a3/FLAG7d6a7d35f [2024-11-12 01:54:31,301 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7859e0531/c21d2b4809d94f129952bf804dc808a3 [2024-11-12 01:54:31,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:54:31,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:54:31,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:54:31,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:54:31,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:54:31,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f5426b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31, skipping insertion in model container [2024-11-12 01:54:31,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:54:31,545 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-98.i[916,929] [2024-11-12 01:54:31,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:54:31,661 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:54:31,674 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-98.i[916,929] [2024-11-12 01:54:31,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:54:31,766 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:54:31,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31 WrapperNode [2024-11-12 01:54:31,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:54:31,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:54:31,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:54:31,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:54:31,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,841 INFO L138 Inliner]: procedures = 26, calls = 66, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 329 [2024-11-12 01:54:31,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:54:31,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:54:31,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:54:31,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:54:31,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,893 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 01:54:31,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:54:31,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:54:31,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:54:31,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:54:31,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (1/1) ... [2024-11-12 01:54:31,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:54:31,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:54:31,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 01:54:32,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 01:54:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:54:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:54:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:54:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:54:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:54:32,169 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:54:32,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:54:32,784 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 01:54:32,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:54:32,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:54:32,804 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:54:32,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:54:32 BoogieIcfgContainer [2024-11-12 01:54:32,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:54:32,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:54:32,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:54:32,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:54:32,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:54:31" (1/3) ... [2024-11-12 01:54:32,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f63bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:54:32, skipping insertion in model container [2024-11-12 01:54:32,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:54:31" (2/3) ... [2024-11-12 01:54:32,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f63bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:54:32, skipping insertion in model container [2024-11-12 01:54:32,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:54:32" (3/3) ... [2024-11-12 01:54:32,816 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-98.i [2024-11-12 01:54:32,833 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:54:32,833 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:54:32,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:54:32,922 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;@2cfa443e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:54:32,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:54:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 89 states have internal predecessors, (128), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-12 01:54:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-12 01:54:32,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:54:32,946 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:54:32,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:54:32,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:54:32,953 INFO L85 PathProgramCache]: Analyzing trace with hash -78574147, now seen corresponding path program 1 times [2024-11-12 01:54:32,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:54:32,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386515663] [2024-11-12 01:54:32,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:54:32,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:54:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:54:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:54:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 01:54:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:54:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 01:54:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 01:54:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 01:54:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:54:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:54:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:54:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:54:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:54:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:54:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:54:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:54:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:54:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:54:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:54:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:54:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:54:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:54:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:54:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:54:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:54:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:54:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:54:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:54:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:54:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:54:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:54:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:54:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:54:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:54:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:54:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:54:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 01:54:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:54:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 01:54:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:54:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 01:54:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:54:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-12 01:54:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:54:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 01:54:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:54:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:54:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:54:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:54:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-12 01:54:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:54:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-12 01:54:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:54:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:54:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-12 01:54:34,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:54:34,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386515663] [2024-11-12 01:54:34,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386515663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:54:34,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:54:34,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:54:34,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484080224] [2024-11-12 01:54:34,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:54:34,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:54:34,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:54:34,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:54:34,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:54:34,675 INFO L87 Difference]: Start difference. First operand has 144 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 89 states have internal predecessors, (128), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 01:54:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:54:34,753 INFO L93 Difference]: Finished difference Result 282 states and 517 transitions. [2024-11-12 01:54:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:54:34,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 328 [2024-11-12 01:54:34,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:54:34,771 INFO L225 Difference]: With dead ends: 282 [2024-11-12 01:54:34,771 INFO L226 Difference]: Without dead ends: 141 [2024-11-12 01:54:34,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:54:34,783 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 0 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:54:34,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 446 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:54:34,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-12 01:54:34,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-12 01:54:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-12 01:54:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 228 transitions. [2024-11-12 01:54:34,866 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 228 transitions. Word has length 328 [2024-11-12 01:54:34,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:54:34,871 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 228 transitions. [2024-11-12 01:54:34,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 01:54:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions. [2024-11-12 01:54:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-12 01:54:34,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:54:34,880 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:54:34,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:54:34,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:54:34,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:54:34,881 INFO L85 PathProgramCache]: Analyzing trace with hash -2085392666, now seen corresponding path program 1 times [2024-11-12 01:54:34,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:54:34,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896760415] [2024-11-12 01:54:34,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:54:34,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:54:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:54:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:54:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 01:54:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:54:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 01:54:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 01:54:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 01:54:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:54:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:54:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:54:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:54:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:54:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:54:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:54:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:54:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:54:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:54:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:54:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:54:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:54:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:54:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:54:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:54:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:54:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:54:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:54:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:54:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:54:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:54:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:54:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:54:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:54:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:54:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:54:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:54:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 01:54:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:54:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 01:54:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:54:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 01:54:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:54:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-12 01:54:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:54:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 01:54:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:54:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:54:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:54:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:54:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-12 01:54:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:54:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-12 01:54:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:54:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:54:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-12 01:54:36,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:54:36,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896760415] [2024-11-12 01:54:36,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896760415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:54:36,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:54:36,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:54:36,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523099727] [2024-11-12 01:54:36,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:54:36,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:54:36,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:54:36,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:54:36,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:54:36,277 INFO L87 Difference]: Start difference. First operand 141 states and 228 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 01:54:36,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:54:36,398 INFO L93 Difference]: Finished difference Result 286 states and 464 transitions. [2024-11-12 01:54:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:54:36,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 329 [2024-11-12 01:54:36,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:54:36,406 INFO L225 Difference]: With dead ends: 286 [2024-11-12 01:54:36,406 INFO L226 Difference]: Without dead ends: 148 [2024-11-12 01:54:36,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:54:36,410 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 19 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:54:36,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 424 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:54:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-12 01:54:36,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 141. [2024-11-12 01:54:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 86 states have internal predecessors, (121), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-12 01:54:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 227 transitions. [2024-11-12 01:54:36,438 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 227 transitions. Word has length 329 [2024-11-12 01:54:36,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:54:36,440 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 227 transitions. [2024-11-12 01:54:36,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 01:54:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 227 transitions. [2024-11-12 01:54:36,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-12 01:54:36,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:54:36,449 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:54:36,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:54:36,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:54:36,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:54:36,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1827227228, now seen corresponding path program 1 times [2024-11-12 01:54:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:54:36,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745750264] [2024-11-12 01:54:36,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:54:36,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:54:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:54:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:54:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 01:54:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:54:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 01:54:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 01:54:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 01:54:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:54:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:54:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:54:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:54:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:54:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:54:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:54:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:54:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:54:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:54:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:54:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:54:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:54:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:54:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:54:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:54:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:54:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:54:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:54:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:54:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:54:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:54:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:54:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:54:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:54:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 01:54:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 01:54:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 01:54:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-12 01:54:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 01:54:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-12 01:54:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-12 01:54:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-12 01:54:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-12 01:54:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-12 01:54:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-12 01:54:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-12 01:54:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-12 01:54:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 01:54:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 01:54:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 01:54:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-12 01:54:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-12 01:54:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-12 01:54:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-11-12 01:54:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-12 01:54:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:54:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2024-11-12 01:54:41,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:54:41,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745750264] [2024-11-12 01:54:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745750264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:54:41,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:54:41,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 01:54:41,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907002200] [2024-11-12 01:54:41,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:54:41,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 01:54:41,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:54:41,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 01:54:41,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:54:41,728 INFO L87 Difference]: Start difference. First operand 141 states and 227 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 01:54:42,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:54:42,798 INFO L93 Difference]: Finished difference Result 577 states and 930 transitions. [2024-11-12 01:54:42,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 01:54:42,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 329 [2024-11-12 01:54:42,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:54:42,808 INFO L225 Difference]: With dead ends: 577 [2024-11-12 01:54:42,808 INFO L226 Difference]: Without dead ends: 439 [2024-11-12 01:54:42,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:54:42,813 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 623 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 01:54:42,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 774 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 01:54:42,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-12 01:54:42,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 317. [2024-11-12 01:54:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 189 states have (on average 1.380952380952381) internal successors, (261), 190 states have internal predecessors, (261), 124 states have call successors, (124), 3 states have call predecessors, (124), 3 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-12 01:54:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 509 transitions. [2024-11-12 01:54:42,959 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 509 transitions. Word has length 329 [2024-11-12 01:54:42,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:54:42,961 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 509 transitions. [2024-11-12 01:54:42,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2024-11-12 01:54:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 509 transitions. [2024-11-12 01:54:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-12 01:54:42,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:54:42,967 INFO L218 NwaCegarLoop]: trace histogram [53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:54:42,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:54:42,967 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:54:42,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:54:42,968 INFO L85 PathProgramCache]: Analyzing trace with hash -52219866, now seen corresponding path program 1 times [2024-11-12 01:54:42,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:54:42,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550191683] [2024-11-12 01:54:42,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:54:42,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:54:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat