./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.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 28f14d75de89afae09449709ada95c31646c3d0705a1364fd113ea63ae6b9c48 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 22:36:05,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:05,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 22:36:05,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:36:05,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 22:36:05,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:05,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 22:36:05,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 22:36:05,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 22:36:05,318 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 22:36:05,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:05,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 22:36:05,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:05,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:05,322 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 22:36:05,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:05,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:05,323 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:36:05,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:36:05,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:36:05,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:05,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:05,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:05,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:05,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:05,326 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:36:05,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:05,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:05,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:05,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 22:36:05,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 22:36:05,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 22:36:05,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:36:05,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:05,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:05,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:05,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 22:36:05,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:36:05,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 22:36:05,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 22:36:05,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 22:36:05,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 22:36:05,332 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28f14d75de89afae09449709ada95c31646c3d0705a1364fd113ea63ae6b9c48 [2024-11-08 22:36:05,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:05,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:05,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:05,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:05,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:05,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-08 22:36:07,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:07,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:07,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-08 22:36:07,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3134436ff/c10fcc7ae044445693fd47d93b3ee71d/FLAGc7bc75120 [2024-11-08 22:36:07,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3134436ff/c10fcc7ae044445693fd47d93b3ee71d [2024-11-08 22:36:07,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:07,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:07,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:07,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:07,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:07,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:07,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127609bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07, skipping insertion in model container [2024-11-08 22:36:07,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:07,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:07,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i[919,932] [2024-11-08 22:36:07,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:07,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:07,814 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i[919,932] [2024-11-08 22:36:07,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:07,898 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:07,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07 WrapperNode [2024-11-08 22:36:07,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:07,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:07,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:07,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:07,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:07,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:07,983 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2024-11-08 22:36:07,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:07,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:07,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:07,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:08,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,043 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]. [2024-11-08 22:36:08,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:08,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:08,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:08,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:08,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (1/1) ... [2024-11-08 22:36:08,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:36:08,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 22:36:08,119 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) [2024-11-08 22:36:08,126 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 [2024-11-08 22:36:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:36:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:36:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 22:36:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:08,276 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:08,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:08,778 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:08,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:08,797 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:08,798 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:36:08,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:08 BoogieIcfgContainer [2024-11-08 22:36:08,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:08,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 22:36:08,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 22:36:08,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 22:36:08,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 10:36:07" (1/3) ... [2024-11-08 22:36:08,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f787d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:36:08, skipping insertion in model container [2024-11-08 22:36:08,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:07" (2/3) ... [2024-11-08 22:36:08,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f787d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:36:08, skipping insertion in model container [2024-11-08 22:36:08,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:08" (3/3) ... [2024-11-08 22:36:08,811 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-33.i [2024-11-08 22:36:08,828 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 22:36:08,829 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 22:36:08,903 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 22:36:08,911 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;@5ac0e73c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 22:36:08,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 22:36:08,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 22:36:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-08 22:36:08,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:08,942 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:36:08,943 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:08,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:08,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1283659607, now seen corresponding path program 1 times [2024-11-08 22:36:08,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:08,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725917306] [2024-11-08 22:36:08,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:08,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:36:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:36:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:36:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:36:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:36:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:36:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:36:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:36:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:36:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:36:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:36:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:36:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:36:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:36:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:36:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:36:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:36:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:36:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:36:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:36:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:36:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:36:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:36:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:36:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:36:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:36:09,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:09,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725917306] [2024-11-08 22:36:09,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725917306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:09,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:09,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 22:36:09,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072490578] [2024-11-08 22:36:09,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:09,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 22:36:09,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:09,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 22:36:09,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:36:09,676 INFO L87 Difference]: Start difference. First operand has 100 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 22:36:09,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:09,726 INFO L93 Difference]: Finished difference Result 191 states and 340 transitions. [2024-11-08 22:36:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 22:36:09,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2024-11-08 22:36:09,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:09,741 INFO L225 Difference]: With dead ends: 191 [2024-11-08 22:36:09,741 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 22:36:09,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:36:09,750 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:09,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 22:36:09,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 22:36:09,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-08 22:36:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 22:36:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 144 transitions. [2024-11-08 22:36:09,810 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 144 transitions. Word has length 213 [2024-11-08 22:36:09,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:09,812 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 144 transitions. [2024-11-08 22:36:09,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 22:36:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2024-11-08 22:36:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-08 22:36:09,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:09,818 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:36:09,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 22:36:09,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:09,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 750911397, now seen corresponding path program 1 times [2024-11-08 22:36:09,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:09,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289786751] [2024-11-08 22:36:09,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:09,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:36:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:36:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:36:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:36:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:36:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:36:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:36:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:36:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:36:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:36:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:36:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:36:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:36:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:36:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:36:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:36:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:36:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:36:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:36:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:36:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:36:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:36:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:36:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:36:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:36:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:36:11,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:11,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289786751] [2024-11-08 22:36:11,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289786751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:11,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:11,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 22:36:11,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136229359] [2024-11-08 22:36:11,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:11,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 22:36:11,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:11,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 22:36:11,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:36:11,624 INFO L87 Difference]: Start difference. First operand 94 states and 144 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:36:11,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:11,789 INFO L93 Difference]: Finished difference Result 260 states and 404 transitions. [2024-11-08 22:36:11,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 22:36:11,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2024-11-08 22:36:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:11,794 INFO L225 Difference]: With dead ends: 260 [2024-11-08 22:36:11,795 INFO L226 Difference]: Without dead ends: 169 [2024-11-08 22:36:11,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:36:11,800 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 61 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:11,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 252 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:36:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-08 22:36:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 152. [2024-11-08 22:36:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 81 states have (on average 1.2222222222222223) internal successors, (99), 81 states have internal predecessors, (99), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:36:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 235 transitions. [2024-11-08 22:36:11,877 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 235 transitions. Word has length 213 [2024-11-08 22:36:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:11,880 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 235 transitions. [2024-11-08 22:36:11,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:36:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2024-11-08 22:36:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-08 22:36:11,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:11,891 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:36:11,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 22:36:11,891 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:11,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:11,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1173613223, now seen corresponding path program 1 times [2024-11-08 22:36:11,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:11,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619707693] [2024-11-08 22:36:11,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:36:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:36:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:36:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:36:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:36:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:36:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:36:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:36:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:36:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:36:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:36:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:36:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:36:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:36:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:36:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:36:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:36:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:36:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:36:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:36:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:36:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:36:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:36:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:36:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:36:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:12,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:36:12,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:12,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619707693] [2024-11-08 22:36:12,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619707693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:12,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:12,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:36:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915202723] [2024-11-08 22:36:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:12,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:36:12,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:36:12,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:36:12,746 INFO L87 Difference]: Start difference. First operand 152 states and 235 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:36:13,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:13,140 INFO L93 Difference]: Finished difference Result 281 states and 433 transitions. [2024-11-08 22:36:13,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:36:13,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2024-11-08 22:36:13,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:13,144 INFO L225 Difference]: With dead ends: 281 [2024-11-08 22:36:13,144 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 22:36:13,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:36:13,146 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 96 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:13,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 352 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 22:36:13,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 22:36:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 176. [2024-11-08 22:36:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 105 states have internal predecessors, (136), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:36:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 272 transitions. [2024-11-08 22:36:13,210 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 272 transitions. Word has length 213 [2024-11-08 22:36:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:13,211 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 272 transitions. [2024-11-08 22:36:13,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:36:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2024-11-08 22:36:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-08 22:36:13,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:13,215 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:36:13,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 22:36:13,216 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:13,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2039841388, now seen corresponding path program 1 times [2024-11-08 22:36:13,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:13,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795658975] [2024-11-08 22:36:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:13,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 22:36:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 22:36:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 22:36:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 22:36:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 22:36:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 22:36:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 22:36:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 22:36:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 22:36:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 22:36:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 22:36:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 22:36:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 22:36:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:36:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:36:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:36:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:36:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:36:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 22:36:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 22:36:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 22:36:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 22:36:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 22:36:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 22:36:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 22:36:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 22:36:13,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:13,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795658975] [2024-11-08 22:36:13,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795658975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:13,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:13,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:36:13,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421328603] [2024-11-08 22:36:13,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:13,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:36:13,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:13,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:36:13,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:36:13,705 INFO L87 Difference]: Start difference. First operand 176 states and 272 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:36:14,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:14,026 INFO L93 Difference]: Finished difference Result 290 states and 444 transitions. [2024-11-08 22:36:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:36:14,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-08 22:36:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:14,029 INFO L225 Difference]: With dead ends: 290 [2024-11-08 22:36:14,030 INFO L226 Difference]: Without dead ends: 186 [2024-11-08 22:36:14,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:36:14,031 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 93 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:14,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 370 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 22:36:14,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-08 22:36:14,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 177. [2024-11-08 22:36:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 106 states have internal predecessors, (136), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 22:36:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 272 transitions. [2024-11-08 22:36:14,076 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 272 transitions. Word has length 214 [2024-11-08 22:36:14,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:14,077 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 272 transitions. [2024-11-08 22:36:14,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 22:36:14,077 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2024-11-08 22:36:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-08 22:36:14,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:14,079 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:36:14,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 22:36:14,080 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:14,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1606434852, now seen corresponding path program 1 times [2024-11-08 22:36:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:14,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043910481] [2024-11-08 22:36:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:14,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat