./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-12.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 aa3ed2bff1e00689dc57bff3bbe0e8e59870786f79090b55555fbd2dfd8e804d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:22:19,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:22:19,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:22:19,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:22:19,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:22:19,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:22:19,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:22:19,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:22:19,510 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:22:19,510 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:22:19,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:22:19,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:22:19,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:22:19,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:22:19,515 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:22:19,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:22:19,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:22:19,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:22:19,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:22:19,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:22:19,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:22:19,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:22:19,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:22:19,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:22:19,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:22:19,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:22:19,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:22:19,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:22:19,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:22:19,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:22:19,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:22:19,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:22:19,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:22:19,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:22:19,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:22:19,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:22:19,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:22:19,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:22:19,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:22:19,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:22:19,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:22:19,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:22:19,529 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3ed2bff1e00689dc57bff3bbe0e8e59870786f79090b55555fbd2dfd8e804d [2024-10-11 12:22:19,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:22:19,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:22:19,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:22:19,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:22:19,829 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:22:19,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-12.i [2024-10-11 12:22:21,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:22:21,468 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:22:21,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-12.i [2024-10-11 12:22:21,481 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1fc0e5880/47ecd052f5094d3c89c778475f5da9fd/FLAG55a984d7f [2024-10-11 12:22:21,789 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/1fc0e5880/47ecd052f5094d3c89c778475f5da9fd [2024-10-11 12:22:21,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:22:21,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:22:21,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:22:21,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:22:21,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:22:21,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:21" (1/1) ... [2024-10-11 12:22:21,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28aabdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:21, skipping insertion in model container [2024-10-11 12:22:21,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:21" (1/1) ... [2024-10-11 12:22:21,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:22:22,012 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-12.i[916,929] [2024-10-11 12:22:22,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:22:22,194 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:22:22,209 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-12.i[916,929] [2024-10-11 12:22:22,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:22:22,304 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:22:22,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22 WrapperNode [2024-10-11 12:22:22,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:22:22,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:22:22,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:22:22,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:22:22,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,438 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 466 [2024-10-11 12:22:22,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:22:22,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:22:22,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:22:22,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:22:22,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,518 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 12:22:22,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:22:22,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:22:22,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:22:22,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:22:22,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (1/1) ... [2024-10-11 12:22:22,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:22:22,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:22:22,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:22:22,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:22:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:22:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:22:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:22:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:22:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:22:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:22:22,875 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:22:22,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:22:23,669 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-10-11 12:22:23,669 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:22:23,717 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:22:23,717 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:22:23,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:23 BoogieIcfgContainer [2024-10-11 12:22:23,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:22:23,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:22:23,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:22:23,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:22:23,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:21" (1/3) ... [2024-10-11 12:22:23,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f583acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:23, skipping insertion in model container [2024-10-11 12:22:23,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:22" (2/3) ... [2024-10-11 12:22:23,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f583acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:23, skipping insertion in model container [2024-10-11 12:22:23,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:23" (3/3) ... [2024-10-11 12:22:23,727 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-12.i [2024-10-11 12:22:23,742 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:22:23,743 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:22:23,817 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:22:23,823 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;@10169e97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:22:23,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:22:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 130 states have (on average 1.4923076923076923) internal successors, (194), 131 states have internal predecessors, (194), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 12:22:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-10-11 12:22:23,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:22:23,857 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:22:23,857 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:22:23,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:22:23,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1569816255, now seen corresponding path program 1 times [2024-10-11 12:22:23,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:22:23,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124544606] [2024-10-11 12:22:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:22:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:22:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:22:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:22:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:22:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 12:22:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 12:22:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 12:22:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:22:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:22:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:22:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:22:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:22:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:22:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:22:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:22:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 12:22:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 12:22:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 12:22:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 12:22:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 12:22:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 12:22:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:22:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:22:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:22:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:22:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:22:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:22:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:22:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:22:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:22:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:22:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:22:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:22:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 12:22:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:22:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:22:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 12:22:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:22:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 12:22:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:22:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 12:22:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:22:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 12:22:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:22:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 12:22:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:22:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 12:22:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:22:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 12:22:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 12:22:24,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:22:24,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124544606] [2024-10-11 12:22:24,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124544606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:22:24,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:22:24,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:22:24,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669201457] [2024-10-11 12:22:24,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:22:24,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:22:24,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:22:24,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:22:24,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:22:24,717 INFO L87 Difference]: Start difference. First operand has 182 states, 130 states have (on average 1.4923076923076923) internal successors, (194), 131 states have internal predecessors, (194), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-11 12:22:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:22:24,788 INFO L93 Difference]: Finished difference Result 343 states and 603 transitions. [2024-10-11 12:22:24,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:22:24,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 313 [2024-10-11 12:22:24,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:22:24,805 INFO L225 Difference]: With dead ends: 343 [2024-10-11 12:22:24,808 INFO L226 Difference]: Without dead ends: 162 [2024-10-11 12:22:24,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:22:24,819 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 12:22:24,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:22:24,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-11 12:22:24,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-11 12:22:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 111 states have (on average 1.4324324324324325) internal successors, (159), 111 states have internal predecessors, (159), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 12:22:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 257 transitions. [2024-10-11 12:22:24,884 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 257 transitions. Word has length 313 [2024-10-11 12:22:24,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:22:24,884 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 257 transitions. [2024-10-11 12:22:24,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-11 12:22:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2024-10-11 12:22:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-10-11 12:22:24,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:22:24,893 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:22:24,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:22:24,893 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:22:24,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:22:24,894 INFO L85 PathProgramCache]: Analyzing trace with hash 912294925, now seen corresponding path program 1 times [2024-10-11 12:22:24,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:22:24,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545359117] [2024-10-11 12:22:24,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:24,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:22:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:22:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:22:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:22:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:22:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 12:22:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 12:22:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 12:22:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:22:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:22:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:22:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:22:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:22:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:22:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:22:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:22:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 12:22:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 12:22:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 12:22:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 12:22:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 12:22:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 12:22:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:22:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:22:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:22:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:22:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:22:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:22:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:22:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:22:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:22:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:22:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:22:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:22:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 12:22:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:22:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:22:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 12:22:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:22:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 12:22:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:22:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 12:22:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:22:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 12:22:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:22:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 12:22:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:22:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 12:22:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:22:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 12:22:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 12:22:26,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:22:26,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545359117] [2024-10-11 12:22:26,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545359117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:22:26,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:22:26,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:22:26,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452927149] [2024-10-11 12:22:26,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:22:26,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:22:26,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:22:26,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:22:26,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:22:26,175 INFO L87 Difference]: Start difference. First operand 162 states and 257 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 12:22:26,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:22:26,290 INFO L93 Difference]: Finished difference Result 323 states and 513 transitions. [2024-10-11 12:22:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:22:26,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-10-11 12:22:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:22:26,297 INFO L225 Difference]: With dead ends: 323 [2024-10-11 12:22:26,297 INFO L226 Difference]: Without dead ends: 162 [2024-10-11 12:22:26,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:22:26,302 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 0 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:22:26,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 481 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:22:26,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-11 12:22:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-11 12:22:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 111 states have (on average 1.4234234234234233) internal successors, (158), 111 states have internal predecessors, (158), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 12:22:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 256 transitions. [2024-10-11 12:22:26,331 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 256 transitions. Word has length 313 [2024-10-11 12:22:26,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:22:26,335 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 256 transitions. [2024-10-11 12:22:26,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 12:22:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2024-10-11 12:22:26,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-10-11 12:22:26,342 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:22:26,343 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:22:26,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:22:26,344 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:22:26,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:22:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash 771746315, now seen corresponding path program 1 times [2024-10-11 12:22:26,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:22:26,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229075566] [2024-10-11 12:22:26,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:26,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:22:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:22:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:22:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:22:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:22:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 12:22:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 12:22:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 12:22:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:22:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:22:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:22:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:22:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:22:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:22:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:22:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:22:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 12:22:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 12:22:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 12:22:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 12:22:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 12:22:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 12:22:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:22:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:22:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:22:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:22:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:22:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:22:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:22:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:22:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:22:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:22:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:22:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:22:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 12:22:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:22:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:22:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 12:22:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:22:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 12:22:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:22:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 12:22:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:22:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 12:22:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:22:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 12:22:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:22:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 12:22:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:22:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 12:22:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 12:22:27,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:22:27,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229075566] [2024-10-11 12:22:27,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229075566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:22:27,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:22:27,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:22:27,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392891551] [2024-10-11 12:22:27,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:22:27,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:22:27,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:22:27,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:22:27,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:22:27,380 INFO L87 Difference]: Start difference. First operand 162 states and 256 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 12:22:27,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:22:27,643 INFO L93 Difference]: Finished difference Result 484 states and 766 transitions. [2024-10-11 12:22:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:22:27,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-10-11 12:22:27,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:22:27,647 INFO L225 Difference]: With dead ends: 484 [2024-10-11 12:22:27,648 INFO L226 Difference]: Without dead ends: 323 [2024-10-11 12:22:27,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:22:27,650 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 169 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:22:27,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 641 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 12:22:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-11 12:22:27,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 320. [2024-10-11 12:22:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 219 states have (on average 1.4200913242009132) internal successors, (311), 219 states have internal predecessors, (311), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-11 12:22:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 507 transitions. [2024-10-11 12:22:27,712 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 507 transitions. Word has length 313 [2024-10-11 12:22:27,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:22:27,714 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 507 transitions. [2024-10-11 12:22:27,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 12:22:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 507 transitions. [2024-10-11 12:22:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-10-11 12:22:27,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:22:27,721 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:22:27,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 12:22:27,721 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:22:27,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:22:27,722 INFO L85 PathProgramCache]: Analyzing trace with hash 699359757, now seen corresponding path program 1 times [2024-10-11 12:22:27,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:22:27,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977244284] [2024-10-11 12:22:27,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:27,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:22:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:22:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:22:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:22:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:22:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 12:22:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 12:22:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 12:22:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:22:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:22:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:22:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:22:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:22:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:22:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:22:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:22:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 12:22:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 12:22:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 12:22:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 12:22:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 12:22:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 12:22:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:22:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:22:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:22:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:22:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:22:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:22:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:22:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:22:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:22:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:22:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:22:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:22:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 12:22:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:22:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:22:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 12:22:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:22:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 12:22:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:22:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 12:22:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:22:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 12:22:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:22:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 12:22:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:22:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 12:22:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:22:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 12:22:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 12:22:29,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:22:29,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977244284] [2024-10-11 12:22:29,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977244284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:22:29,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:22:29,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:22:29,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215041747] [2024-10-11 12:22:29,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:22:29,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:22:29,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:22:29,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:22:29,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:22:29,238 INFO L87 Difference]: Start difference. First operand 320 states and 507 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 12:22:29,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:22:29,623 INFO L93 Difference]: Finished difference Result 995 states and 1553 transitions. [2024-10-11 12:22:29,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 12:22:29,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-10-11 12:22:29,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:22:29,630 INFO L225 Difference]: With dead ends: 995 [2024-10-11 12:22:29,630 INFO L226 Difference]: Without dead ends: 676 [2024-10-11 12:22:29,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:22:29,632 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 285 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 12:22:29,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 671 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 12:22:29,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-10-11 12:22:29,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 544. [2024-10-11 12:22:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 409 states have (on average 1.4400977995110025) internal successors, (589), 411 states have internal predecessors, (589), 130 states have call successors, (130), 4 states have call predecessors, (130), 4 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) [2024-10-11 12:22:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 849 transitions. [2024-10-11 12:22:29,705 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 849 transitions. Word has length 313 [2024-10-11 12:22:29,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:22:29,707 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 849 transitions. [2024-10-11 12:22:29,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 12:22:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 849 transitions. [2024-10-11 12:22:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-10-11 12:22:29,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:22:29,712 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:22:29,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 12:22:29,713 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:22:29,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:22:29,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1974181899, now seen corresponding path program 1 times [2024-10-11 12:22:29,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:22:29,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181244475] [2024-10-11 12:22:29,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:29,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:22:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:22:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:22:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:22:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:22:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 12:22:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 12:22:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 12:22:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:22:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:22:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:22:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:22:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:22:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:22:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:22:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:22:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 12:22:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 12:22:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 12:22:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 12:22:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 12:22:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 12:22:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:22:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:22:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:22:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:22:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:22:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:22:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:22:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:22:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:22:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:22:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:22:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:22:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 12:22:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:22:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:22:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 12:22:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:22:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 12:22:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:22:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 12:22:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:22:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 12:22:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:22:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 12:22:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:22:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 12:22:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:22:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 12:22:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 27 proven. 117 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 12:22:31,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:22:31,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181244475] [2024-10-11 12:22:31,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181244475] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:22:31,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798520625] [2024-10-11 12:22:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:31,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:22:31,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:22:31,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:22:31,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 12:22:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:31,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 12:22:31,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:22:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2128 proven. 96 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2024-10-11 12:22:32,010 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:22:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 48 proven. 96 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 12:22:32,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798520625] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:22:32,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:22:32,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 14 [2024-10-11 12:22:32,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836531932] [2024-10-11 12:22:32,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:22:32,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 12:22:32,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:22:32,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 12:22:32,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-11 12:22:32,547 INFO L87 Difference]: Start difference. First operand 544 states and 849 transitions. Second operand has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (130), 2 states have call predecessors, (130), 4 states have return successors, (131), 4 states have call predecessors, (131), 4 states have call successors, (131) [2024-10-11 12:22:35,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:22:35,112 INFO L93 Difference]: Finished difference Result 1489 states and 2300 transitions. [2024-10-11 12:22:35,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-10-11 12:22:35,113 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (130), 2 states have call predecessors, (130), 4 states have return successors, (131), 4 states have call predecessors, (131), 4 states have call successors, (131) Word has length 313 [2024-10-11 12:22:35,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:22:35,120 INFO L225 Difference]: With dead ends: 1489 [2024-10-11 12:22:35,120 INFO L226 Difference]: Without dead ends: 946 [2024-10-11 12:22:35,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 720 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=528, Invalid=1922, Unknown=0, NotChecked=0, Total=2450 [2024-10-11 12:22:35,124 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1375 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 2267 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 12:22:35,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 2267 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 12:22:35,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-10-11 12:22:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 676. [2024-10-11 12:22:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 503 states have (on average 1.4095427435387673) internal successors, (709), 504 states have internal predecessors, (709), 163 states have call successors, (163), 9 states have call predecessors, (163), 9 states have return successors, (163), 162 states have call predecessors, (163), 163 states have call successors, (163) [2024-10-11 12:22:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1035 transitions. [2024-10-11 12:22:35,218 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1035 transitions. Word has length 313 [2024-10-11 12:22:35,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:22:35,219 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 1035 transitions. [2024-10-11 12:22:35,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (130), 2 states have call predecessors, (130), 4 states have return successors, (131), 4 states have call predecessors, (131), 4 states have call successors, (131) [2024-10-11 12:22:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1035 transitions. [2024-10-11 12:22:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-10-11 12:22:35,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:22:35,227 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:22:35,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 12:22:35,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:22:35,431 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:22:35,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:22:35,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2063161207, now seen corresponding path program 1 times [2024-10-11 12:22:35,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:22:35,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586393570] [2024-10-11 12:22:35,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:35,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:22:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:22:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:22:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:22:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:22:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 12:22:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 12:22:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 12:22:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:22:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:22:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:22:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:22:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:22:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:22:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:22:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:22:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 12:22:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 12:22:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 12:22:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 12:22:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 12:22:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 12:22:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:22:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:22:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:22:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:22:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:22:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:22:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:22:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:22:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:22:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:22:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:22:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:22:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 12:22:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:22:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:22:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 12:22:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:22:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 12:22:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:22:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 12:22:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:22:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 12:22:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:22:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 12:22:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:22:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 12:22:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:22:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 12:22:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 48 proven. 96 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 12:22:36,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:22:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586393570] [2024-10-11 12:22:36,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586393570] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:22:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480866842] [2024-10-11 12:22:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:36,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:22:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:22:36,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:22:36,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 12:22:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:37,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-11 12:22:37,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:22:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2388 proven. 66 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2024-10-11 12:22:37,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:22:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 12:22:37,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480866842] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:22:37,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:22:37,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-11 12:22:37,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89965509] [2024-10-11 12:22:37,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:22:37,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 12:22:37,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:22:37,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 12:22:37,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 12:22:37,799 INFO L87 Difference]: Start difference. First operand 676 states and 1035 transitions. Second operand has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 4 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2024-10-11 12:22:38,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:22:38,542 INFO L93 Difference]: Finished difference Result 1200 states and 1830 transitions. [2024-10-11 12:22:38,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 12:22:38,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 4 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) Word has length 315 [2024-10-11 12:22:38,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:22:38,549 INFO L225 Difference]: With dead ends: 1200 [2024-10-11 12:22:38,549 INFO L226 Difference]: Without dead ends: 700 [2024-10-11 12:22:38,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 723 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-10-11 12:22:38,551 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 468 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 12:22:38,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 967 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 12:22:38,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-10-11 12:22:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 688. [2024-10-11 12:22:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 512 states have (on average 1.3828125) internal successors, (708), 513 states have internal predecessors, (708), 163 states have call successors, (163), 12 states have call predecessors, (163), 12 states have return successors, (163), 162 states have call predecessors, (163), 163 states have call successors, (163) [2024-10-11 12:22:38,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1034 transitions. [2024-10-11 12:22:38,631 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1034 transitions. Word has length 315 [2024-10-11 12:22:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:22:38,632 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 1034 transitions. [2024-10-11 12:22:38,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 4 states have call successors, (103), 2 states have call predecessors, (103), 4 states have return successors, (105), 4 states have call predecessors, (105), 4 states have call successors, (105) [2024-10-11 12:22:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1034 transitions. [2024-10-11 12:22:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-10-11 12:22:38,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:22:38,637 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:22:38,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 12:22:38,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:22:38,842 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:22:38,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:22:38,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1843853856, now seen corresponding path program 1 times [2024-10-11 12:22:38,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:22:38,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54866022] [2024-10-11 12:22:38,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:38,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:22:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:22:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:22:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:22:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:22:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 12:22:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 12:22:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 12:22:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 12:22:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 12:22:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 12:22:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 12:22:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:22:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:22:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:22:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:22:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 12:22:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 12:22:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 12:22:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 12:22:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 12:22:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 12:22:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:22:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:22:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:22:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:22:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:22:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:22:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:22:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:22:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:22:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:22:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:22:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:22:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-11 12:22:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 12:22:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:22:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-11 12:22:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:22:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 12:22:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:22:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 12:22:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:22:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-11 12:22:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:22:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-11 12:22:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:22:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-11 12:22:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:22:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-11 12:22:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 396 proven. 378 refuted. 0 times theorem prover too weak. 3930 trivial. 0 not checked. [2024-10-11 12:22:42,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:22:42,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54866022] [2024-10-11 12:22:42,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54866022] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:22:42,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286568191] [2024-10-11 12:22:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:22:42,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:22:42,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:22:42,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:22:42,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 12:22:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:22:43,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-11 12:22:43,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:22:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2894 proven. 722 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2024-10-11 12:22:54,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:22:57,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286568191] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:22:57,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 12:22:57,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 31] total 43 [2024-10-11 12:22:57,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832608927] [2024-10-11 12:22:57,363 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 12:22:57,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-11 12:22:57,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:22:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-11 12:22:57,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=2197, Unknown=1, NotChecked=0, Total=2756 [2024-10-11 12:22:57,366 INFO L87 Difference]: Start difference. First operand 688 states and 1034 transitions. Second operand has 43 states, 40 states have (on average 3.5) internal successors, (140), 36 states have internal predecessors, (140), 16 states have call successors, (98), 10 states have call predecessors, (98), 14 states have return successors, (98), 16 states have call predecessors, (98), 16 states have call successors, (98)