./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-65.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 e97158367eba7489c22eb7c3ebc31635a6b2e61c62508904380d58d51292aae4 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:35:53,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:35:53,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:35:53,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:35:53,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:35:53,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:35:53,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:35:53,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:35:53,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:35:53,935 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:35:53,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:35:53,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:35:53,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:35:53,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:35:53,938 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:35:53,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:35:53,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:35:53,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:35:53,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:35:53,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:35:53,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:35:53,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:35:53,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:35:53,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:35:53,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:35:53,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:35:53,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:35:53,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:35:53,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:35:53,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:35:53,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:35:53,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:35:53,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:35:53,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:35:53,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:35:53,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:35:53,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:35:53,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:35:53,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:35:53,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:35:53,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:35:53,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:35:53,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e97158367eba7489c22eb7c3ebc31635a6b2e61c62508904380d58d51292aae4 [2024-10-14 12:35:54,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:35:54,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:35:54,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:35:54,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:35:54,264 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:35:54,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-65.i [2024-10-14 12:35:55,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:35:55,933 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:35:55,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-65.i [2024-10-14 12:35:55,944 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969ec2936/198d6a4d22ac43d7acba8b76363e4ace/FLAG516dab459 [2024-10-14 12:35:55,956 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/969ec2936/198d6a4d22ac43d7acba8b76363e4ace [2024-10-14 12:35:55,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:35:55,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:35:55,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:35:55,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:35:55,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:35:55,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:35:55" (1/1) ... [2024-10-14 12:35:55,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea6dad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:55, skipping insertion in model container [2024-10-14 12:35:55,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:35:55" (1/1) ... [2024-10-14 12:35:56,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:35:56,187 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-65.i[916,929] [2024-10-14 12:35:56,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:35:56,349 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:35:56,362 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-65.i[916,929] [2024-10-14 12:35:56,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:35:56,497 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:35:56,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56 WrapperNode [2024-10-14 12:35:56,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:35:56,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:35:56,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:35:56,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:35:56,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,603 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 401 [2024-10-14 12:35:56,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:35:56,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:35:56,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:35:56,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:35:56,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,719 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 12:35:56,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:35:56,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:35:56,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:35:56,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:35:56,799 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (1/1) ... [2024-10-14 12:35:56,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:35:56,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:35:56,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 12:35:56,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 12:35:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:35:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:35:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:35:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:35:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:35:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:35:57,042 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:35:57,045 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:35:57,901 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-10-14 12:35:57,901 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:35:57,950 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:35:57,950 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:35:57,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:35:57 BoogieIcfgContainer [2024-10-14 12:35:57,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:35:57,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:35:57,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:35:57,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:35:57,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:35:55" (1/3) ... [2024-10-14 12:35:57,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a935bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:35:57, skipping insertion in model container [2024-10-14 12:35:57,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:35:56" (2/3) ... [2024-10-14 12:35:57,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a935bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:35:57, skipping insertion in model container [2024-10-14 12:35:57,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:35:57" (3/3) ... [2024-10-14 12:35:57,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-65.i [2024-10-14 12:35:57,984 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:35:57,985 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:35:58,065 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:35:58,072 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;@21c44c8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:35:58,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:35:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 104 states have (on average 1.4711538461538463) internal successors, (153), 105 states have internal predecessors, (153), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-14 12:35:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-14 12:35:58,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:35:58,103 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:35:58,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:35:58,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:35:58,111 INFO L85 PathProgramCache]: Analyzing trace with hash -561099321, now seen corresponding path program 1 times [2024-10-14 12:35:58,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:35:58,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188186893] [2024-10-14 12:35:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:35:58,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:35:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:35:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:35:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:35:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:35:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:35:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:35:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:35:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:35:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:35:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:35:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:35:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:35:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:35:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:35:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:35:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:35:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:35:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:35:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:35:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:35:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:35:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:35:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:35:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:35:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:35:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:35:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:35:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:35:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:35:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:35:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:35:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:35:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:35:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:35:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:35:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:35:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:35:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:35:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:35:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:35:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:35:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:35:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:35:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:35:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:35:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:35:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:35:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:35:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:35:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:35:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:58,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:35:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:35:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:35:59,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:35:59,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188186893] [2024-10-14 12:35:59,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188186893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:35:59,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:35:59,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:35:59,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663022157] [2024-10-14 12:35:59,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:35:59,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:35:59,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:35:59,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:35:59,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:35:59,049 INFO L87 Difference]: Start difference. First operand has 158 states, 104 states have (on average 1.4711538461538463) internal successors, (153), 105 states have internal predecessors, (153), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2024-10-14 12:35:59,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:35:59,104 INFO L93 Difference]: Finished difference Result 313 states and 559 transitions. [2024-10-14 12:35:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:35:59,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) Word has length 331 [2024-10-14 12:35:59,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:35:59,122 INFO L225 Difference]: With dead ends: 313 [2024-10-14 12:35:59,122 INFO L226 Difference]: Without dead ends: 156 [2024-10-14 12:35:59,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:35:59,131 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:35:59,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:35:59,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-14 12:35:59,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-10-14 12:35:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 103 states have (on average 1.4368932038834952) internal successors, (148), 103 states have internal predecessors, (148), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-14 12:35:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 250 transitions. [2024-10-14 12:35:59,209 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 250 transitions. Word has length 331 [2024-10-14 12:35:59,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:35:59,210 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 250 transitions. [2024-10-14 12:35:59,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2024-10-14 12:35:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 250 transitions. [2024-10-14 12:35:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-14 12:35:59,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:35:59,222 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:35:59,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:35:59,222 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:35:59,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:35:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1066823747, now seen corresponding path program 1 times [2024-10-14 12:35:59,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:35:59,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939280704] [2024-10-14 12:35:59,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:35:59,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:35:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:36:00,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:00,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939280704] [2024-10-14 12:36:00,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939280704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:00,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:00,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:36:00,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359713783] [2024-10-14 12:36:00,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:00,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:36:00,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:00,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:36:00,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:00,212 INFO L87 Difference]: Start difference. First operand 156 states and 250 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:00,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:00,336 INFO L93 Difference]: Finished difference Result 466 states and 748 transitions. [2024-10-14 12:36:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:36:00,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 331 [2024-10-14 12:36:00,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:00,342 INFO L225 Difference]: With dead ends: 466 [2024-10-14 12:36:00,342 INFO L226 Difference]: Without dead ends: 311 [2024-10-14 12:36:00,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:00,345 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 244 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:00,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 691 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:36:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-10-14 12:36:00,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 309. [2024-10-14 12:36:00,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 204 states have (on average 1.4362745098039216) internal successors, (293), 204 states have internal predecessors, (293), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 12:36:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 497 transitions. [2024-10-14 12:36:00,415 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 497 transitions. Word has length 331 [2024-10-14 12:36:00,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:00,417 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 497 transitions. [2024-10-14 12:36:00,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:00,420 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 497 transitions. [2024-10-14 12:36:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-14 12:36:00,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:00,427 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:00,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:36:00,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:00,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1948279871, now seen corresponding path program 1 times [2024-10-14 12:36:00,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:00,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719520547] [2024-10-14 12:36:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:00,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:01,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:36:02,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:02,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719520547] [2024-10-14 12:36:02,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719520547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:02,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:02,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 12:36:02,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474140393] [2024-10-14 12:36:02,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:02,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 12:36:02,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:02,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 12:36:02,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:36:02,150 INFO L87 Difference]: Start difference. First operand 309 states and 497 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:02,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:02,472 INFO L93 Difference]: Finished difference Result 763 states and 1211 transitions. [2024-10-14 12:36:02,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 12:36:02,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 331 [2024-10-14 12:36:02,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:02,478 INFO L225 Difference]: With dead ends: 763 [2024-10-14 12:36:02,478 INFO L226 Difference]: Without dead ends: 455 [2024-10-14 12:36:02,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:36:02,484 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 207 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:02,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 659 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 12:36:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-10-14 12:36:02,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 347. [2024-10-14 12:36:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 240 states have (on average 1.4291666666666667) internal successors, (343), 240 states have internal predecessors, (343), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 12:36:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 547 transitions. [2024-10-14 12:36:02,557 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 547 transitions. Word has length 331 [2024-10-14 12:36:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:02,558 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 547 transitions. [2024-10-14 12:36:02,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 547 transitions. [2024-10-14 12:36:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-10-14 12:36:02,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:02,566 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:02,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 12:36:02,566 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:02,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:02,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1486801747, now seen corresponding path program 1 times [2024-10-14 12:36:02,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:02,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008164886] [2024-10-14 12:36:02,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:02,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:36:02,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:02,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008164886] [2024-10-14 12:36:02,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008164886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:02,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:02,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:36:02,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274778316] [2024-10-14 12:36:02,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:02,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:36:02,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:02,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:36:02,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:02,899 INFO L87 Difference]: Start difference. First operand 347 states and 547 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:03,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:03,056 INFO L93 Difference]: Finished difference Result 979 states and 1543 transitions. [2024-10-14 12:36:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:36:03,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 332 [2024-10-14 12:36:03,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:03,065 INFO L225 Difference]: With dead ends: 979 [2024-10-14 12:36:03,067 INFO L226 Difference]: Without dead ends: 633 [2024-10-14 12:36:03,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:03,070 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 227 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:03,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 536 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:36:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-10-14 12:36:03,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 367. [2024-10-14 12:36:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 260 states have (on average 1.4346153846153846) internal successors, (373), 260 states have internal predecessors, (373), 102 states have call successors, (102), 4 states have call predecessors, (102), 4 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 12:36:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 577 transitions. [2024-10-14 12:36:03,143 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 577 transitions. Word has length 332 [2024-10-14 12:36:03,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:03,144 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 577 transitions. [2024-10-14 12:36:03,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 577 transitions. [2024-10-14 12:36:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-10-14 12:36:03,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:03,149 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:03,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 12:36:03,150 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:03,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:03,150 INFO L85 PathProgramCache]: Analyzing trace with hash 688632391, now seen corresponding path program 1 times [2024-10-14 12:36:03,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:03,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769523693] [2024-10-14 12:36:03,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:03,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:36:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:04,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769523693] [2024-10-14 12:36:04,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769523693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:04,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:04,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 12:36:04,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247430622] [2024-10-14 12:36:04,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:04,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 12:36:04,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:04,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 12:36:04,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 12:36:04,344 INFO L87 Difference]: Start difference. First operand 367 states and 577 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:04,735 INFO L93 Difference]: Finished difference Result 1201 states and 1883 transitions. [2024-10-14 12:36:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 12:36:04,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 332 [2024-10-14 12:36:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:04,741 INFO L225 Difference]: With dead ends: 1201 [2024-10-14 12:36:04,741 INFO L226 Difference]: Without dead ends: 835 [2024-10-14 12:36:04,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:36:04,744 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 253 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:04,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 777 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 12:36:04,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-10-14 12:36:04,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 819. [2024-10-14 12:36:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 606 states have (on average 1.4471947194719472) internal successors, (877), 606 states have internal predecessors, (877), 204 states have call successors, (204), 8 states have call predecessors, (204), 8 states have return successors, (204), 204 states have call predecessors, (204), 204 states have call successors, (204) [2024-10-14 12:36:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1285 transitions. [2024-10-14 12:36:04,854 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1285 transitions. Word has length 332 [2024-10-14 12:36:04,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:04,856 INFO L471 AbstractCegarLoop]: Abstraction has 819 states and 1285 transitions. [2024-10-14 12:36:04,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1285 transitions. [2024-10-14 12:36:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-10-14 12:36:04,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:04,862 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:04,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 12:36:04,862 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:04,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:04,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1302369417, now seen corresponding path program 1 times [2024-10-14 12:36:04,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:04,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886412054] [2024-10-14 12:36:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:04,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:06,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:06,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:06,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:06,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:06,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:36:07,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:07,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886412054] [2024-10-14 12:36:07,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886412054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:07,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:07,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 12:36:07,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559817483] [2024-10-14 12:36:07,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:07,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 12:36:07,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:07,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 12:36:07,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 12:36:07,477 INFO L87 Difference]: Start difference. First operand 819 states and 1285 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:09,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:09,424 INFO L93 Difference]: Finished difference Result 3169 states and 4874 transitions. [2024-10-14 12:36:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 12:36:09,424 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 333 [2024-10-14 12:36:09,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:09,439 INFO L225 Difference]: With dead ends: 3169 [2024-10-14 12:36:09,439 INFO L226 Difference]: Without dead ends: 2741 [2024-10-14 12:36:09,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-10-14 12:36:09,445 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 1232 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:09,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 1448 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 12:36:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-10-14 12:36:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1649. [2024-10-14 12:36:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1220 states have (on average 1.4311475409836065) internal successors, (1746), 1220 states have internal predecessors, (1746), 408 states have call successors, (408), 20 states have call predecessors, (408), 20 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2024-10-14 12:36:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2562 transitions. [2024-10-14 12:36:09,720 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2562 transitions. Word has length 333 [2024-10-14 12:36:09,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:09,721 INFO L471 AbstractCegarLoop]: Abstraction has 1649 states and 2562 transitions. [2024-10-14 12:36:09,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2562 transitions. [2024-10-14 12:36:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-10-14 12:36:09,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:09,726 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:09,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 12:36:09,727 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:09,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash -879667591, now seen corresponding path program 1 times [2024-10-14 12:36:09,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:09,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090600491] [2024-10-14 12:36:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 72 proven. 78 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-10-14 12:36:10,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:10,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090600491] [2024-10-14 12:36:10,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090600491] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 12:36:10,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688395147] [2024-10-14 12:36:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:10,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:10,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:36:10,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:36:10,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 12:36:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:11,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 12:36:11,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:36:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 2594 proven. 78 refuted. 0 times theorem prover too weak. 2428 trivial. 0 not checked. [2024-10-14 12:36:11,620 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:36:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 72 proven. 78 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-10-14 12:36:12,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688395147] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 12:36:12,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 12:36:12,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-14 12:36:12,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568072139] [2024-10-14 12:36:12,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 12:36:12,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 12:36:12,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:12,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 12:36:12,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 12:36:12,023 INFO L87 Difference]: Start difference. First operand 1649 states and 2562 transitions. Second operand has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2024-10-14 12:36:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:12,644 INFO L93 Difference]: Finished difference Result 3369 states and 5187 transitions. [2024-10-14 12:36:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 12:36:12,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) Word has length 333 [2024-10-14 12:36:12,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:12,658 INFO L225 Difference]: With dead ends: 3369 [2024-10-14 12:36:12,659 INFO L226 Difference]: Without dead ends: 1721 [2024-10-14 12:36:12,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-10-14 12:36:12,666 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 227 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:12,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 460 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 12:36:12,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2024-10-14 12:36:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1681. [2024-10-14 12:36:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1244 states have (on average 1.3938906752411575) internal successors, (1734), 1244 states have internal predecessors, (1734), 408 states have call successors, (408), 28 states have call predecessors, (408), 28 states have return successors, (408), 408 states have call predecessors, (408), 408 states have call successors, (408) [2024-10-14 12:36:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2550 transitions. [2024-10-14 12:36:12,999 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2550 transitions. Word has length 333 [2024-10-14 12:36:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:13,000 INFO L471 AbstractCegarLoop]: Abstraction has 1681 states and 2550 transitions. [2024-10-14 12:36:13,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 4 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2024-10-14 12:36:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2550 transitions. [2024-10-14 12:36:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-10-14 12:36:13,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:13,007 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:13,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 12:36:13,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:13,212 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:13,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:13,213 INFO L85 PathProgramCache]: Analyzing trace with hash -745943879, now seen corresponding path program 1 times [2024-10-14 12:36:13,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:13,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239383632] [2024-10-14 12:36:13,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:13,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:19,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 102 proven. 192 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2024-10-14 12:36:20,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:20,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239383632] [2024-10-14 12:36:20,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239383632] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 12:36:20,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038355879] [2024-10-14 12:36:20,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:20,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:20,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:36:20,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:36:20,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 12:36:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:20,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 12:36:20,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:36:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 438 proven. 144 refuted. 0 times theorem prover too weak. 4518 trivial. 0 not checked. [2024-10-14 12:36:21,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:36:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 6 proven. 144 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-10-14 12:36:22,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038355879] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 12:36:22,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 12:36:22,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 7] total 23 [2024-10-14 12:36:22,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118302898] [2024-10-14 12:36:22,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 12:36:22,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 12:36:22,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:22,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 12:36:22,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2024-10-14 12:36:22,462 INFO L87 Difference]: Start difference. First operand 1681 states and 2550 transitions. Second operand has 23 states, 23 states have (on average 10.0) internal successors, (230), 23 states have internal predecessors, (230), 6 states have call successors, (153), 3 states have call predecessors, (153), 6 states have return successors, (153), 6 states have call predecessors, (153), 6 states have call successors, (153) [2024-10-14 12:36:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:25,610 INFO L93 Difference]: Finished difference Result 6405 states and 9525 transitions. [2024-10-14 12:36:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-14 12:36:25,611 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.0) internal successors, (230), 23 states have internal predecessors, (230), 6 states have call successors, (153), 3 states have call predecessors, (153), 6 states have return successors, (153), 6 states have call predecessors, (153), 6 states have call successors, (153) Word has length 333 [2024-10-14 12:36:25,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:25,642 INFO L225 Difference]: With dead ends: 6405 [2024-10-14 12:36:25,643 INFO L226 Difference]: Without dead ends: 4725 [2024-10-14 12:36:25,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=428, Invalid=1464, Unknown=0, NotChecked=0, Total=1892 [2024-10-14 12:36:25,652 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 829 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 2257 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 2348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:25,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1684 Invalid, 2348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2257 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-14 12:36:25,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4725 states. [2024-10-14 12:36:26,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4725 to 3455. [2024-10-14 12:36:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3455 states, 2558 states have (on average 1.3784206411258797) internal successors, (3526), 2558 states have internal predecessors, (3526), 816 states have call successors, (816), 80 states have call predecessors, (816), 80 states have return successors, (816), 816 states have call predecessors, (816), 816 states have call successors, (816) [2024-10-14 12:36:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 3455 states and 5158 transitions. [2024-10-14 12:36:26,094 INFO L78 Accepts]: Start accepts. Automaton has 3455 states and 5158 transitions. Word has length 333 [2024-10-14 12:36:26,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:26,095 INFO L471 AbstractCegarLoop]: Abstraction has 3455 states and 5158 transitions. [2024-10-14 12:36:26,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.0) internal successors, (230), 23 states have internal predecessors, (230), 6 states have call successors, (153), 3 states have call predecessors, (153), 6 states have return successors, (153), 6 states have call predecessors, (153), 6 states have call successors, (153) [2024-10-14 12:36:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3455 states and 5158 transitions. [2024-10-14 12:36:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-10-14 12:36:26,101 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:26,101 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:26,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 12:36:26,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-14 12:36:26,302 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:26,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash -44879301, now seen corresponding path program 1 times [2024-10-14 12:36:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:26,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887648685] [2024-10-14 12:36:26,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 99 proven. 51 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-10-14 12:36:28,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:28,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887648685] [2024-10-14 12:36:28,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887648685] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 12:36:28,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282083338] [2024-10-14 12:36:28,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:28,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:28,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:36:28,566 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:36:28,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 12:36:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 12:36:28,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:36:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 2919 proven. 225 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2024-10-14 12:36:30,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:36:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 99 proven. 51 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2024-10-14 12:36:32,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282083338] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 12:36:32,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 12:36:32,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 7] total 28 [2024-10-14 12:36:32,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697860479] [2024-10-14 12:36:32,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 12:36:32,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-14 12:36:32,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:32,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-14 12:36:32,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2024-10-14 12:36:32,114 INFO L87 Difference]: Start difference. First operand 3455 states and 5158 transitions. Second operand has 28 states, 28 states have (on average 8.821428571428571) internal successors, (247), 27 states have internal predecessors, (247), 8 states have call successors, (153), 5 states have call predecessors, (153), 9 states have return successors, (153), 8 states have call predecessors, (153), 8 states have call successors, (153) [2024-10-14 12:36:37,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:37,076 INFO L93 Difference]: Finished difference Result 14489 states and 21139 transitions. [2024-10-14 12:36:37,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-10-14 12:36:37,077 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 8.821428571428571) internal successors, (247), 27 states have internal predecessors, (247), 8 states have call successors, (153), 5 states have call predecessors, (153), 9 states have return successors, (153), 8 states have call predecessors, (153), 8 states have call successors, (153) Word has length 333 [2024-10-14 12:36:37,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:37,129 INFO L225 Difference]: With dead ends: 14489 [2024-10-14 12:36:37,130 INFO L226 Difference]: Without dead ends: 11035 [2024-10-14 12:36:37,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 756 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1663 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1086, Invalid=4766, Unknown=0, NotChecked=0, Total=5852 [2024-10-14 12:36:37,145 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 1730 mSDsluCounter, 2475 mSDsCounter, 0 mSdLazyCounter, 2571 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 2571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:37,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 2668 Invalid, 3162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 2571 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 12:36:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11035 states. [2024-10-14 12:36:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11035 to 8319. [2024-10-14 12:36:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8319 states, 6390 states have (on average 1.3780907668231612) internal successors, (8806), 6398 states have internal predecessors, (8806), 1664 states have call successors, (1664), 264 states have call predecessors, (1664), 264 states have return successors, (1664), 1656 states have call predecessors, (1664), 1664 states have call successors, (1664) [2024-10-14 12:36:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8319 states to 8319 states and 12134 transitions. [2024-10-14 12:36:38,231 INFO L78 Accepts]: Start accepts. Automaton has 8319 states and 12134 transitions. Word has length 333 [2024-10-14 12:36:38,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:38,232 INFO L471 AbstractCegarLoop]: Abstraction has 8319 states and 12134 transitions. [2024-10-14 12:36:38,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.821428571428571) internal successors, (247), 27 states have internal predecessors, (247), 8 states have call successors, (153), 5 states have call predecessors, (153), 9 states have return successors, (153), 8 states have call predecessors, (153), 8 states have call successors, (153) [2024-10-14 12:36:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 8319 states and 12134 transitions. [2024-10-14 12:36:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-10-14 12:36:38,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:38,244 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:38,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 12:36:38,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:38,445 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:38,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:38,445 INFO L85 PathProgramCache]: Analyzing trace with hash -706567543, now seen corresponding path program 1 times [2024-10-14 12:36:38,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:38,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970251630] [2024-10-14 12:36:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:38,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 12:36:38,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165099431] [2024-10-14 12:36:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:38,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:38,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:36:38,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:36:38,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 12:36:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:39,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 12:36:39,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:36:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 1464 proven. 126 refuted. 0 times theorem prover too weak. 3510 trivial. 0 not checked. [2024-10-14 12:36:40,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:36:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:36:40,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:40,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970251630] [2024-10-14 12:36:40,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 12:36:40,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165099431] [2024-10-14 12:36:40,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165099431] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 12:36:40,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 12:36:40,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 12:36:40,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474932126] [2024-10-14 12:36:40,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:40,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 12:36:40,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:40,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 12:36:40,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-10-14 12:36:40,599 INFO L87 Difference]: Start difference. First operand 8319 states and 12134 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:41,788 INFO L93 Difference]: Finished difference Result 18739 states and 26998 transitions. [2024-10-14 12:36:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 12:36:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 334 [2024-10-14 12:36:41,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:41,858 INFO L225 Difference]: With dead ends: 18739 [2024-10-14 12:36:41,858 INFO L226 Difference]: Without dead ends: 10421 [2024-10-14 12:36:41,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-14 12:36:41,882 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 48 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:41,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 972 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:36:41,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10421 states. [2024-10-14 12:36:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10421 to 9379. [2024-10-14 12:36:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9379 states, 7338 states have (on average 1.3660397928590897) internal successors, (10024), 7362 states have internal predecessors, (10024), 1744 states have call successors, (1744), 296 states have call predecessors, (1744), 296 states have return successors, (1744), 1720 states have call predecessors, (1744), 1744 states have call successors, (1744) [2024-10-14 12:36:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9379 states to 9379 states and 13512 transitions. [2024-10-14 12:36:42,831 INFO L78 Accepts]: Start accepts. Automaton has 9379 states and 13512 transitions. Word has length 334 [2024-10-14 12:36:42,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:42,832 INFO L471 AbstractCegarLoop]: Abstraction has 9379 states and 13512 transitions. [2024-10-14 12:36:42,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 9379 states and 13512 transitions. [2024-10-14 12:36:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-10-14 12:36:42,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:42,837 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:42,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 12:36:43,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:43,038 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:43,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:43,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1846583449, now seen corresponding path program 1 times [2024-10-14 12:36:43,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:43,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272232677] [2024-10-14 12:36:43,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:43,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 12:36:43,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699714968] [2024-10-14 12:36:43,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:43,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:43,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:36:43,686 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:36:43,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 12:36:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:43,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-14 12:36:43,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 12:36:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 1464 proven. 126 refuted. 0 times theorem prover too weak. 3510 trivial. 0 not checked. [2024-10-14 12:36:45,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 12:36:47,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:47,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272232677] [2024-10-14 12:36:47,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 12:36:47,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699714968] [2024-10-14 12:36:47,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699714968] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 12:36:47,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 12:36:47,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 12:36:47,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880756937] [2024-10-14 12:36:47,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 12:36:47,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 12:36:47,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:47,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 12:36:47,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-14 12:36:47,821 INFO L87 Difference]: Start difference. First operand 9379 states and 13512 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-10-14 12:36:50,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:50,053 INFO L93 Difference]: Finished difference Result 27703 states and 39609 transitions. [2024-10-14 12:36:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 12:36:50,054 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 334 [2024-10-14 12:36:50,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:50,122 INFO L225 Difference]: With dead ends: 27703 [2024-10-14 12:36:50,122 INFO L226 Difference]: Without dead ends: 18325 [2024-10-14 12:36:50,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2024-10-14 12:36:50,153 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 635 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:50,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 1030 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 12:36:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18325 states. [2024-10-14 12:36:51,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18325 to 14787. [2024-10-14 12:36:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14787 states, 11634 states have (on average 1.3630737493553378) internal successors, (15858), 11682 states have internal predecessors, (15858), 2672 states have call successors, (2672), 480 states have call predecessors, (2672), 480 states have return successors, (2672), 2624 states have call predecessors, (2672), 2672 states have call successors, (2672) [2024-10-14 12:36:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14787 states to 14787 states and 21202 transitions. [2024-10-14 12:36:51,617 INFO L78 Accepts]: Start accepts. Automaton has 14787 states and 21202 transitions. Word has length 334 [2024-10-14 12:36:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:51,618 INFO L471 AbstractCegarLoop]: Abstraction has 14787 states and 21202 transitions. [2024-10-14 12:36:51,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 3 states have call successors, (51), 3 states have call predecessors, (51), 4 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-10-14 12:36:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 14787 states and 21202 transitions. [2024-10-14 12:36:51,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-10-14 12:36:51,623 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:51,623 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:51,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 12:36:51,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 12:36:51,826 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:51,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:51,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1974087445, now seen corresponding path program 1 times [2024-10-14 12:36:51,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:51,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229458299] [2024-10-14 12:36:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 12:36:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 12:36:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 12:36:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 12:36:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 12:36:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 12:36:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 12:36:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 12:36:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 12:36:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 12:36:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 12:36:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 12:36:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 12:36:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 12:36:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 12:36:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 12:36:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 12:36:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 12:36:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 12:36:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 12:36:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 12:36:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 12:36:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 12:36:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-14 12:36:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2024-10-14 12:36:53,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:53,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229458299] [2024-10-14 12:36:53,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229458299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:53,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:53,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 12:36:53,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612428346] [2024-10-14 12:36:53,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:53,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 12:36:53,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:53,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 12:36:53,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-14 12:36:53,520 INFO L87 Difference]: Start difference. First operand 14787 states and 21202 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:55,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:55,921 INFO L93 Difference]: Finished difference Result 24285 states and 34783 transitions. [2024-10-14 12:36:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 12:36:55,921 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 335 [2024-10-14 12:36:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:56,071 INFO L225 Difference]: With dead ends: 24285 [2024-10-14 12:36:56,072 INFO L226 Difference]: Without dead ends: 17583 [2024-10-14 12:36:56,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2024-10-14 12:36:56,091 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 1220 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 1612 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:56,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 1612 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 12:36:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17583 states. [2024-10-14 12:36:57,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17583 to 14831. [2024-10-14 12:36:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14831 states, 11678 states have (on average 1.3623908203459496) internal successors, (15910), 11726 states have internal predecessors, (15910), 2672 states have call successors, (2672), 480 states have call predecessors, (2672), 480 states have return successors, (2672), 2624 states have call predecessors, (2672), 2672 states have call successors, (2672) [2024-10-14 12:36:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14831 states to 14831 states and 21254 transitions. [2024-10-14 12:36:57,880 INFO L78 Accepts]: Start accepts. Automaton has 14831 states and 21254 transitions. Word has length 335 [2024-10-14 12:36:57,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:57,881 INFO L471 AbstractCegarLoop]: Abstraction has 14831 states and 21254 transitions. [2024-10-14 12:36:57,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-10-14 12:36:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 14831 states and 21254 transitions. [2024-10-14 12:36:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-10-14 12:36:57,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:57,886 INFO L215 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:57,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 12:36:57,886 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:57,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:57,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1755232727, now seen corresponding path program 1 times [2024-10-14 12:36:57,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:57,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744992388] [2024-10-14 12:36:57,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:57,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 12:36:58,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58100209] [2024-10-14 12:36:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:58,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:36:58,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:36:58,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 12:36:58,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 12:36:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:36:59,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 12:36:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 12:37:00,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 12:37:00,011 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 12:37:00,012 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 12:37:00,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 12:37:00,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 12:37:00,218 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]