./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.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 bc8ba5687f86ca6bc535ef8887bd15483610a3c920778b0e5f157ae799e621ff --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 00:36:09,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:09,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 00:36:09,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:36:09,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 00:36:09,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:09,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 00:36:09,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 00:36:09,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 00:36:09,451 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 00:36:09,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:09,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 00:36:09,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:09,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:09,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 00:36:09,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:09,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:09,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:36:09,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:36:09,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:36:09,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:09,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:09,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:09,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:09,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:09,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:36:09,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:09,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:09,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:09,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 00:36:09,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 00:36:09,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 00:36:09,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:36:09,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:09,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:09,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:09,461 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 00:36:09,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:36:09,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 00:36:09,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 00:36:09,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 00:36:09,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 00:36:09,464 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc8ba5687f86ca6bc535ef8887bd15483610a3c920778b0e5f157ae799e621ff [2024-11-09 00:36:09,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:09,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:09,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:09,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:09,756 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:09,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i [2024-11-09 00:36:11,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:36:11,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:36:11,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i [2024-11-09 00:36:11,480 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83b2859e4/ed2cfce86d7543389d388b3a2ca0d3c9/FLAG289e150b4 [2024-11-09 00:36:11,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83b2859e4/ed2cfce86d7543389d388b3a2ca0d3c9 [2024-11-09 00:36:11,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:36:11,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:36:11,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:11,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:36:11,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:36:11,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:11" (1/1) ... [2024-11-09 00:36:11,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312fce0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:11, skipping insertion in model container [2024-11-09 00:36:11,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:36:11" (1/1) ... [2024-11-09 00:36:11,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:36:11,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i[915,928] [2024-11-09 00:36:11,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:11,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:36:11,922 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-0.i[915,928] [2024-11-09 00:36:12,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:36:12,059 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:36:12,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12 WrapperNode [2024-11-09 00:36:12,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:36:12,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:12,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:36:12,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:36:12,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,191 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 347 [2024-11-09 00:36:12,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:36:12,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:36:12,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:36:12,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:36:12,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,214 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,277 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 00:36:12,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:36:12,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:36:12,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:36:12,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:36:12,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (1/1) ... [2024-11-09 00:36:12,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 00:36:12,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:12,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 00:36:12,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 00:36:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:36:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:36:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:36:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 00:36:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:36:12,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:36:12,577 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:36:12,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:36:13,461 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-09 00:36:13,461 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:36:13,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:36:13,478 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:36:13,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:13 BoogieIcfgContainer [2024-11-09 00:36:13,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:36:13,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 00:36:13,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 00:36:13,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 00:36:13,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:36:11" (1/3) ... [2024-11-09 00:36:13,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cddbcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:36:13, skipping insertion in model container [2024-11-09 00:36:13,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:36:12" (2/3) ... [2024-11-09 00:36:13,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cddbcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:36:13, skipping insertion in model container [2024-11-09 00:36:13,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:36:13" (3/3) ... [2024-11-09 00:36:13,487 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-0.i [2024-11-09 00:36:13,504 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 00:36:13,505 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 00:36:13,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 00:36:13,592 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;@35bbc52e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 00:36:13,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 00:36:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 148 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 114 states have internal predecessors, (174), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 00:36:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-09 00:36:13,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:13,619 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:13,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:13,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -602783547, now seen corresponding path program 1 times [2024-11-09 00:36:13,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:13,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419623535] [2024-11-09 00:36:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 00:36:14,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:14,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419623535] [2024-11-09 00:36:14,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419623535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:14,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:14,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 00:36:14,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724331464] [2024-11-09 00:36:14,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:14,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 00:36:14,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:14,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 00:36:14,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:36:14,405 INFO L87 Difference]: Start difference. First operand has 148 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 114 states have internal predecessors, (174), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 00:36:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:14,462 INFO L93 Difference]: Finished difference Result 289 states and 502 transitions. [2024-11-09 00:36:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 00:36:14,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 230 [2024-11-09 00:36:14,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:14,476 INFO L225 Difference]: With dead ends: 289 [2024-11-09 00:36:14,476 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 00:36:14,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 00:36:14,486 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:14,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:36:14,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 00:36:14,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-09 00:36:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 110 states have (on average 1.518181818181818) internal successors, (167), 110 states have internal predecessors, (167), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 00:36:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 231 transitions. [2024-11-09 00:36:14,546 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 231 transitions. Word has length 230 [2024-11-09 00:36:14,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:14,547 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 231 transitions. [2024-11-09 00:36:14,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 00:36:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 231 transitions. [2024-11-09 00:36:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-09 00:36:14,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:14,554 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:14,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 00:36:14,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:14,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:14,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1785276143, now seen corresponding path program 1 times [2024-11-09 00:36:14,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:14,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404587599] [2024-11-09 00:36:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:14,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 00:36:15,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:15,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404587599] [2024-11-09 00:36:15,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404587599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:15,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:15,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:36:15,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609772993] [2024-11-09 00:36:15,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:15,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:36:15,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:15,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:36:15,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:36:15,033 INFO L87 Difference]: Start difference. First operand 144 states and 231 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:15,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:15,154 INFO L93 Difference]: Finished difference Result 382 states and 612 transitions. [2024-11-09 00:36:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:36:15,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 230 [2024-11-09 00:36:15,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:15,159 INFO L225 Difference]: With dead ends: 382 [2024-11-09 00:36:15,159 INFO L226 Difference]: Without dead ends: 241 [2024-11-09 00:36:15,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:36:15,161 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 149 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:15,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 430 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:36:15,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-09 00:36:15,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2024-11-09 00:36:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 193 states have (on average 1.5336787564766838) internal successors, (296), 194 states have internal predecessors, (296), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-09 00:36:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 380 transitions. [2024-11-09 00:36:15,191 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 380 transitions. Word has length 230 [2024-11-09 00:36:15,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:15,193 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 380 transitions. [2024-11-09 00:36:15,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 380 transitions. [2024-11-09 00:36:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-09 00:36:15,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:15,197 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:15,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 00:36:15,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:15,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2115324367, now seen corresponding path program 1 times [2024-11-09 00:36:15,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:15,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037848232] [2024-11-09 00:36:15,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:15,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 00:36:15,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:15,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037848232] [2024-11-09 00:36:15,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037848232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:15,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:15,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:36:15,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685166820] [2024-11-09 00:36:15,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:15,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:36:15,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:15,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:36:15,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:36:15,531 INFO L87 Difference]: Start difference. First operand 238 states and 380 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:15,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:15,632 INFO L93 Difference]: Finished difference Result 665 states and 1060 transitions. [2024-11-09 00:36:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:36:15,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 230 [2024-11-09 00:36:15,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:15,641 INFO L225 Difference]: With dead ends: 665 [2024-11-09 00:36:15,643 INFO L226 Difference]: Without dead ends: 430 [2024-11-09 00:36:15,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:36:15,647 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 145 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:15,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 471 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 00:36:15,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-09 00:36:15,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 427. [2024-11-09 00:36:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 358 states have (on average 1.5335195530726258) internal successors, (549), 361 states have internal predecessors, (549), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-09 00:36:15,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 677 transitions. [2024-11-09 00:36:15,708 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 677 transitions. Word has length 230 [2024-11-09 00:36:15,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:15,710 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 677 transitions. [2024-11-09 00:36:15,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:15,711 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 677 transitions. [2024-11-09 00:36:15,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-09 00:36:15,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:15,717 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:15,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 00:36:15,717 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:15,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:15,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2092692113, now seen corresponding path program 1 times [2024-11-09 00:36:15,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:15,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4779933] [2024-11-09 00:36:15,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 00:36:16,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:16,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4779933] [2024-11-09 00:36:16,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4779933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:16,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:16,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:36:16,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558119078] [2024-11-09 00:36:16,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:16,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:36:16,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:16,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:36:16,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:36:16,825 INFO L87 Difference]: Start difference. First operand 427 states and 677 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:17,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:17,490 INFO L93 Difference]: Finished difference Result 1676 states and 2659 transitions. [2024-11-09 00:36:17,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 00:36:17,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 230 [2024-11-09 00:36:17,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:17,498 INFO L225 Difference]: With dead ends: 1676 [2024-11-09 00:36:17,499 INFO L226 Difference]: Without dead ends: 1252 [2024-11-09 00:36:17,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:36:17,502 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 444 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:17,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 562 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 00:36:17,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-11-09 00:36:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 953. [2024-11-09 00:36:17,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 816 states have (on average 1.5392156862745099) internal successors, (1256), 822 states have internal predecessors, (1256), 128 states have call successors, (128), 8 states have call predecessors, (128), 8 states have return successors, (128), 122 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-09 00:36:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1512 transitions. [2024-11-09 00:36:17,591 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1512 transitions. Word has length 230 [2024-11-09 00:36:17,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:17,592 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1512 transitions. [2024-11-09 00:36:17,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1512 transitions. [2024-11-09 00:36:17,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-09 00:36:17,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:17,596 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:17,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 00:36:17,596 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:17,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:17,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1577104055, now seen corresponding path program 1 times [2024-11-09 00:36:17,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:17,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294318863] [2024-11-09 00:36:17,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:17,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 24 proven. 69 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-09 00:36:18,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:18,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294318863] [2024-11-09 00:36:18,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294318863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478921019] [2024-11-09 00:36:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:18,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:18,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:18,375 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) [2024-11-09 00:36:18,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 00:36:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:18,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:36:18,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 891 proven. 63 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-09 00:36:18,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 30 proven. 63 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-09 00:36:19,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478921019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:36:19,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:36:19,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-09 00:36:19,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101733244] [2024-11-09 00:36:19,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:19,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 00:36:19,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:19,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 00:36:19,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 00:36:19,343 INFO L87 Difference]: Start difference. First operand 953 states and 1512 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2024-11-09 00:36:19,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:19,789 INFO L93 Difference]: Finished difference Result 1541 states and 2418 transitions. [2024-11-09 00:36:19,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 00:36:19,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) Word has length 230 [2024-11-09 00:36:19,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:19,795 INFO L225 Difference]: With dead ends: 1541 [2024-11-09 00:36:19,795 INFO L226 Difference]: Without dead ends: 591 [2024-11-09 00:36:19,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 520 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-09 00:36:19,799 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 292 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:19,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 529 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:36:19,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-09 00:36:19,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 586. [2024-11-09 00:36:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 473 states have (on average 1.4334038054968288) internal successors, (678), 476 states have internal predecessors, (678), 98 states have call successors, (98), 14 states have call predecessors, (98), 14 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 00:36:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 874 transitions. [2024-11-09 00:36:19,842 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 874 transitions. Word has length 230 [2024-11-09 00:36:19,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:19,843 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 874 transitions. [2024-11-09 00:36:19,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2024-11-09 00:36:19,844 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 874 transitions. [2024-11-09 00:36:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-09 00:36:19,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:19,847 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:19,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:20,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:20,052 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:20,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:20,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1837039778, now seen corresponding path program 1 times [2024-11-09 00:36:20,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:20,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679291030] [2024-11-09 00:36:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:20,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 00:36:20,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:20,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679291030] [2024-11-09 00:36:20,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679291030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:20,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:20,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 00:36:20,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9832874] [2024-11-09 00:36:20,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:20,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 00:36:20,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:20,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 00:36:20,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:36:20,630 INFO L87 Difference]: Start difference. First operand 586 states and 874 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:21,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:21,072 INFO L93 Difference]: Finished difference Result 1261 states and 1882 transitions. [2024-11-09 00:36:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 00:36:21,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 232 [2024-11-09 00:36:21,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:21,079 INFO L225 Difference]: With dead ends: 1261 [2024-11-09 00:36:21,079 INFO L226 Difference]: Without dead ends: 1008 [2024-11-09 00:36:21,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 00:36:21,082 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 181 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:21,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 422 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:36:21,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2024-11-09 00:36:21,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 642. [2024-11-09 00:36:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 529 states have (on average 1.44234404536862) internal successors, (763), 532 states have internal predecessors, (763), 98 states have call successors, (98), 14 states have call predecessors, (98), 14 states have return successors, (98), 95 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-09 00:36:21,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 959 transitions. [2024-11-09 00:36:21,151 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 959 transitions. Word has length 232 [2024-11-09 00:36:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:21,155 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 959 transitions. [2024-11-09 00:36:21,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 959 transitions. [2024-11-09 00:36:21,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-09 00:36:21,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:21,160 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:21,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 00:36:21,160 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:21,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:21,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1832756390, now seen corresponding path program 1 times [2024-11-09 00:36:21,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:21,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807273490] [2024-11-09 00:36:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:21,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 39 proven. 54 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-09 00:36:21,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:21,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807273490] [2024-11-09 00:36:21,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807273490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:21,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415420592] [2024-11-09 00:36:21,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:21,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:21,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:21,988 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) [2024-11-09 00:36:21,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 00:36:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:22,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:36:22,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 993 proven. 54 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-09 00:36:22,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 39 proven. 54 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-09 00:36:22,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415420592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:36:22,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:36:22,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-09 00:36:22,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492675984] [2024-11-09 00:36:22,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:22,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 00:36:22,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:22,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 00:36:22,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:36:22,745 INFO L87 Difference]: Start difference. First operand 642 states and 959 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-09 00:36:23,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:23,047 INFO L93 Difference]: Finished difference Result 1008 states and 1508 transitions. [2024-11-09 00:36:23,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 00:36:23,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 232 [2024-11-09 00:36:23,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:23,051 INFO L225 Difference]: With dead ends: 1008 [2024-11-09 00:36:23,052 INFO L226 Difference]: Without dead ends: 396 [2024-11-09 00:36:23,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 524 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 00:36:23,054 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 282 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:23,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 461 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 00:36:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-09 00:36:23,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 388. [2024-11-09 00:36:23,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 303 states have (on average 1.4026402640264026) internal successors, (425), 304 states have internal predecessors, (425), 74 states have call successors, (74), 10 states have call predecessors, (74), 10 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-09 00:36:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 573 transitions. [2024-11-09 00:36:23,097 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 573 transitions. Word has length 232 [2024-11-09 00:36:23,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:23,098 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 573 transitions. [2024-11-09 00:36:23,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-09 00:36:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 573 transitions. [2024-11-09 00:36:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-09 00:36:23,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:23,101 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:23,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 00:36:23,302 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,SelfDestructingSolverStorable6 [2024-11-09 00:36:23,303 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:23,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:23,303 INFO L85 PathProgramCache]: Analyzing trace with hash 639475994, now seen corresponding path program 1 times [2024-11-09 00:36:23,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:23,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156318196] [2024-11-09 00:36:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:23,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-09 00:36:24,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:24,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156318196] [2024-11-09 00:36:24,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156318196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:24,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128341272] [2024-11-09 00:36:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:24,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:24,762 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) [2024-11-09 00:36:24,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 00:36:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:36:24,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 423 proven. 9 refuted. 0 times theorem prover too weak. 1552 trivial. 0 not checked. [2024-11-09 00:36:25,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2024-11-09 00:36:26,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128341272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 00:36:26,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 00:36:26,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 9] total 19 [2024-11-09 00:36:26,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355959863] [2024-11-09 00:36:26,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:26,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 00:36:26,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:26,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 00:36:26,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-09 00:36:26,377 INFO L87 Difference]: Start difference. First operand 388 states and 573 transitions. Second operand has 19 states, 19 states have (on average 7.684210526315789) internal successors, (146), 19 states have internal predecessors, (146), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 00:36:41,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:41,312 INFO L93 Difference]: Finished difference Result 5824 states and 8299 transitions. [2024-11-09 00:36:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-11-09 00:36:41,313 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.684210526315789) internal successors, (146), 19 states have internal predecessors, (146), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 232 [2024-11-09 00:36:41,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:41,341 INFO L225 Difference]: With dead ends: 5824 [2024-11-09 00:36:41,342 INFO L226 Difference]: Without dead ends: 5466 [2024-11-09 00:36:41,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 544 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7758 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=3654, Invalid=16938, Unknown=0, NotChecked=0, Total=20592 [2024-11-09 00:36:41,354 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 4695 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 3963 mSolverCounterSat, 3079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 7042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3079 IncrementalHoareTripleChecker+Valid, 3963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:41,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4698 Valid, 2527 Invalid, 7042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3079 Valid, 3963 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-11-09 00:36:41,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5466 states. [2024-11-09 00:36:41,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5466 to 1514. [2024-11-09 00:36:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1192 states have (on average 1.4085570469798658) internal successors, (1679), 1197 states have internal predecessors, (1679), 276 states have call successors, (276), 45 states have call predecessors, (276), 45 states have return successors, (276), 271 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-09 00:36:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 2231 transitions. [2024-11-09 00:36:41,689 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 2231 transitions. Word has length 232 [2024-11-09 00:36:41,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:41,690 INFO L471 AbstractCegarLoop]: Abstraction has 1514 states and 2231 transitions. [2024-11-09 00:36:41,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.684210526315789) internal successors, (146), 19 states have internal predecessors, (146), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-09 00:36:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 2231 transitions. [2024-11-09 00:36:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-09 00:36:41,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:41,712 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:41,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 00:36:41,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:41,916 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:41,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash -381592360, now seen corresponding path program 1 times [2024-11-09 00:36:41,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:41,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884868745] [2024-11-09 00:36:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:36:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:36:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:36:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:36:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:36:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:36:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:36:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:36:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:36:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:36:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:36:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:36:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:36:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:36:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:36:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:36:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:36:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:36:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:36:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:36:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:36:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:36:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:36:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:36:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:36:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:36:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:36:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:36:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:36:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:36:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:36:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:36:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 00:36:42,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:42,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884868745] [2024-11-09 00:36:42,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884868745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:36:42,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:36:42,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 00:36:42,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554985629] [2024-11-09 00:36:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:36:42,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 00:36:42,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 00:36:42,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 00:36:42,759 INFO L87 Difference]: Start difference. First operand 1514 states and 2231 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:43,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:43,782 INFO L93 Difference]: Finished difference Result 6565 states and 9734 transitions. [2024-11-09 00:36:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 00:36:43,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 232 [2024-11-09 00:36:43,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:43,804 INFO L225 Difference]: With dead ends: 6565 [2024-11-09 00:36:43,804 INFO L226 Difference]: Without dead ends: 5112 [2024-11-09 00:36:43,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 00:36:43,810 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 575 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:43,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1019 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 00:36:43,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5112 states. [2024-11-09 00:36:44,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5112 to 2931. [2024-11-09 00:36:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2321 states have (on average 1.4067212408444636) internal successors, (3265), 2330 states have internal predecessors, (3265), 524 states have call successors, (524), 85 states have call predecessors, (524), 85 states have return successors, (524), 515 states have call predecessors, (524), 524 states have call successors, (524) [2024-11-09 00:36:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 4313 transitions. [2024-11-09 00:36:44,389 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 4313 transitions. Word has length 232 [2024-11-09 00:36:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:44,391 INFO L471 AbstractCegarLoop]: Abstraction has 2931 states and 4313 transitions. [2024-11-09 00:36:44,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:36:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 4313 transitions. [2024-11-09 00:36:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-09 00:36:44,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:44,396 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:44,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 00:36:44,397 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:44,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1208254438, now seen corresponding path program 1 times [2024-11-09 00:36:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:44,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502926702] [2024-11-09 00:36:44,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:44,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:44,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446737322] [2024-11-09 00:36:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:44,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:44,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:44,749 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) [2024-11-09 00:36:44,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 00:36:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:44,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:36:44,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1246 proven. 60 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-11-09 00:36:45,498 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:45,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:45,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502926702] [2024-11-09 00:36:45,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 00:36:45,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446737322] [2024-11-09 00:36:45,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446737322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:45,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 00:36:45,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 00:36:45,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626854684] [2024-11-09 00:36:45,876 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:45,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 00:36:45,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:45,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 00:36:45,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 00:36:45,878 INFO L87 Difference]: Start difference. First operand 2931 states and 4313 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 00:36:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:36:47,785 INFO L93 Difference]: Finished difference Result 7606 states and 10985 transitions. [2024-11-09 00:36:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 00:36:47,786 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 232 [2024-11-09 00:36:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:36:47,807 INFO L225 Difference]: With dead ends: 7606 [2024-11-09 00:36:47,807 INFO L226 Difference]: Without dead ends: 4744 [2024-11-09 00:36:47,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2024-11-09 00:36:47,815 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 864 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 00:36:47,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 620 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 00:36:47,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4744 states. [2024-11-09 00:36:48,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 3637. [2024-11-09 00:36:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3637 states, 3058 states have (on average 1.4058207979071289) internal successors, (4299), 3069 states have internal predecessors, (4299), 468 states have call successors, (468), 110 states have call predecessors, (468), 110 states have return successors, (468), 457 states have call predecessors, (468), 468 states have call successors, (468) [2024-11-09 00:36:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3637 states and 5235 transitions. [2024-11-09 00:36:48,498 INFO L78 Accepts]: Start accepts. Automaton has 3637 states and 5235 transitions. Word has length 232 [2024-11-09 00:36:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:36:48,499 INFO L471 AbstractCegarLoop]: Abstraction has 3637 states and 5235 transitions. [2024-11-09 00:36:48,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 00:36:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3637 states and 5235 transitions. [2024-11-09 00:36:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-09 00:36:48,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:36:48,504 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:36:48,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 00:36:48,705 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 [2024-11-09 00:36:48,705 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:36:48,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:36:48,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1173894044, now seen corresponding path program 1 times [2024-11-09 00:36:48,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:36:48,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292286887] [2024-11-09 00:36:48,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:48,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:36:48,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141338484] [2024-11-09 00:36:48,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:36:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 00:36:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 00:36:48,913 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) [2024-11-09 00:36:48,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 00:36:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:49,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:36:49,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1173 proven. 48 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-11-09 00:36:49,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 00:36:52,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:36:52,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292286887] [2024-11-09 00:36:52,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 00:36:52,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141338484] [2024-11-09 00:36:52,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141338484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 00:36:52,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 00:36:52,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-09 00:36:52,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123496191] [2024-11-09 00:36:52,072 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 00:36:52,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 00:36:52,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:36:52,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 00:36:52,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=685, Unknown=0, NotChecked=0, Total=812 [2024-11-09 00:36:52,074 INFO L87 Difference]: Start difference. First operand 3637 states and 5235 transitions. Second operand has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 00:36:57,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:36:58,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:37:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:12,327 INFO L93 Difference]: Finished difference Result 25385 states and 35764 transitions. [2024-11-09 00:37:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-11-09 00:37:12,328 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 232 [2024-11-09 00:37:12,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:12,424 INFO L225 Difference]: With dead ends: 25385 [2024-11-09 00:37:12,424 INFO L226 Difference]: Without dead ends: 21789 [2024-11-09 00:37:12,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5104 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=2822, Invalid=12928, Unknown=0, NotChecked=0, Total=15750 [2024-11-09 00:37:12,443 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 2416 mSDsluCounter, 2893 mSDsCounter, 0 mSdLazyCounter, 4211 mSolverCounterSat, 996 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 5209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 996 IncrementalHoareTripleChecker+Valid, 4211 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:12,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2438 Valid, 3263 Invalid, 5209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [996 Valid, 4211 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2024-11-09 00:37:12,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21789 states. [2024-11-09 00:37:14,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21789 to 12772. [2024-11-09 00:37:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12772 states, 11133 states have (on average 1.4186652294978892) internal successors, (15794), 11172 states have internal predecessors, (15794), 1268 states have call successors, (1268), 370 states have call predecessors, (1268), 370 states have return successors, (1268), 1229 states have call predecessors, (1268), 1268 states have call successors, (1268) [2024-11-09 00:37:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12772 states to 12772 states and 18330 transitions. [2024-11-09 00:37:14,981 INFO L78 Accepts]: Start accepts. Automaton has 12772 states and 18330 transitions. Word has length 232 [2024-11-09 00:37:14,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 00:37:14,982 INFO L471 AbstractCegarLoop]: Abstraction has 12772 states and 18330 transitions. [2024-11-09 00:37:14,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.578947368421052) internal successors, (87), 19 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 00:37:14,983 INFO L276 IsEmpty]: Start isEmpty. Operand 12772 states and 18330 transitions. [2024-11-09 00:37:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-09 00:37:14,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 00:37:14,992 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 00:37:15,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 00:37:15,196 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 [2024-11-09 00:37:15,197 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 00:37:15,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:15,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1033345434, now seen corresponding path program 1 times [2024-11-09 00:37:15,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 00:37:15,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784210345] [2024-11-09 00:37:15,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 00:37:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 00:37:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 00:37:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 00:37:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 00:37:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 00:37:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 00:37:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 00:37:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 00:37:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 00:37:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 00:37:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 00:37:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 00:37:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 00:37:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 00:37:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 00:37:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 00:37:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 00:37:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 00:37:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 00:37:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 00:37:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 00:37:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 00:37:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 00:37:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 00:37:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 00:37:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 00:37:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 00:37:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-09 00:37:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-09 00:37:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-09 00:37:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-09 00:37:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-09 00:37:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-09 00:37:15,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 00:37:15,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784210345] [2024-11-09 00:37:15,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784210345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 00:37:15,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 00:37:15,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 00:37:15,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238691295] [2024-11-09 00:37:15,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 00:37:15,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 00:37:15,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 00:37:15,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 00:37:15,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:15,510 INFO L87 Difference]: Start difference. First operand 12772 states and 18330 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-09 00:37:17,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 00:37:17,198 INFO L93 Difference]: Finished difference Result 25135 states and 36067 transitions. [2024-11-09 00:37:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 00:37:17,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 232 [2024-11-09 00:37:17,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 00:37:17,250 INFO L225 Difference]: With dead ends: 25135 [2024-11-09 00:37:17,251 INFO L226 Difference]: Without dead ends: 12404 [2024-11-09 00:37:17,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 00:37:17,281 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 00:37:17,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 00:37:17,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12404 states.