./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-82.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-82.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 f85bc794ddaf472a7e3079e39d319628ff71704bc56bc279abbe4af1f903e58e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:29:57,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:29:57,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:29:57,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:29:57,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:29:57,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:29:57,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:29:57,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:29:57,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:29:57,367 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:29:57,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:29:57,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:29:57,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:29:57,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:29:57,371 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:29:57,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:29:57,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:29:57,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:29:57,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:29:57,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:29:57,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:29:57,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:29:57,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:29:57,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:29:57,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:29:57,379 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:29:57,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:29:57,380 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:29:57,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:29:57,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:29:57,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:29:57,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:29:57,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:29:57,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:29:57,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:29:57,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:29:57,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:29:57,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:29:57,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:29:57,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:29:57,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:29:57,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:29:57,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f85bc794ddaf472a7e3079e39d319628ff71704bc56bc279abbe4af1f903e58e [2024-10-11 12:29:57,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:29:57,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:29:57,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:29:57,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:29:57,673 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:29:57,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-82.i [2024-10-11 12:29:59,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:29:59,454 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:29:59,455 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-82.i [2024-10-11 12:29:59,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/aadebbc6d/44be2f96244e44dbbb3a9558f2ba8da2/FLAG8c192bae5 [2024-10-11 12:29:59,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/aadebbc6d/44be2f96244e44dbbb3a9558f2ba8da2 [2024-10-11 12:29:59,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:29:59,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:29:59,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:29:59,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:29:59,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:29:59,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:59" (1/1) ... [2024-10-11 12:29:59,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee6df9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:59, skipping insertion in model container [2024-10-11 12:29:59,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:59" (1/1) ... [2024-10-11 12:29:59,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:30:00,059 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-82.i[916,929] [2024-10-11 12:30:00,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:30:00,252 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:30:00,263 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-82.i[916,929] [2024-10-11 12:30:00,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:30:00,356 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:30:00,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00 WrapperNode [2024-10-11 12:30:00,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:30:00,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:30:00,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:30:00,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:30:00,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,474 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 501 [2024-10-11 12:30:00,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:30:00,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:30:00,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:30:00,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:30:00,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,563 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 12:30:00,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:30:00,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:30:00,626 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:30:00,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:30:00,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (1/1) ... [2024-10-11 12:30:00,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:30:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:30:00,660 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 12:30:00,663 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 12:30:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:30:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:30:00,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:30:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:30:00,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:30:00,830 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:30:00,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:30:01,857 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-10-11 12:30:01,857 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:30:01,901 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:30:01,903 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:30:01,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:01 BoogieIcfgContainer [2024-10-11 12:30:01,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:30:01,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:30:01,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:30:01,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:30:01,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:29:59" (1/3) ... [2024-10-11 12:30:01,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ee656c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:01, skipping insertion in model container [2024-10-11 12:30:01,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:00" (2/3) ... [2024-10-11 12:30:01,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ee656c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:01, skipping insertion in model container [2024-10-11 12:30:01,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:01" (3/3) ... [2024-10-11 12:30:01,913 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-82.i [2024-10-11 12:30:01,931 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:30:01,931 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:30:02,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:30:02,018 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;@736d4eef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:30:02,019 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:30:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 146 states have (on average 1.547945205479452) internal successors, (226), 147 states have internal predecessors, (226), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-11 12:30:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-10-11 12:30:02,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:30:02,051 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:02,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:30:02,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:30:02,057 INFO L85 PathProgramCache]: Analyzing trace with hash -373584324, now seen corresponding path program 1 times [2024-10-11 12:30:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:30:02,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357146481] [2024-10-11 12:30:02,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:02,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:30:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:30:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:30:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:30:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:30:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:30:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:30:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:30:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:30:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:30:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:30:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:30:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:30:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:30:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:30:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:30:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:30:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:30:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:30:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:30:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:30:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:30:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:30:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:30:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:30:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:30:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:30:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:30:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:30:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:30:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:30:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:30:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:30:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:30:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:30:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:30:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:30:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:30:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:30:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:30:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:30:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:30:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:30:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:30:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:30:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:30:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:30:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:30:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:30:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:30:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:30:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:02,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 12:30:02,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:30:02,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357146481] [2024-10-11 12:30:02,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357146481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:30:02,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:30:02,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:30:02,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356339868] [2024-10-11 12:30:02,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:30:02,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 12:30:02,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:30:02,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 12:30:02,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 12:30:02,895 INFO L87 Difference]: Start difference. First operand has 199 states, 146 states have (on average 1.547945205479452) internal successors, (226), 147 states have internal predecessors, (226), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 12:30:02,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:30:02,962 INFO L93 Difference]: Finished difference Result 395 states and 700 transitions. [2024-10-11 12:30:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 12:30:02,969 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 330 [2024-10-11 12:30:02,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:30:02,983 INFO L225 Difference]: With dead ends: 395 [2024-10-11 12:30:02,983 INFO L226 Difference]: Without dead ends: 197 [2024-10-11 12:30:02,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 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 12:30:02,993 INFO L432 NwaCegarLoop]: 317 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, 317 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 12:30:02,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 12:30:03,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-11 12:30:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-10-11 12:30:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 145 states have (on average 1.5172413793103448) internal successors, (220), 145 states have internal predecessors, (220), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-11 12:30:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 320 transitions. [2024-10-11 12:30:03,079 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 320 transitions. Word has length 330 [2024-10-11 12:30:03,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:30:03,081 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 320 transitions. [2024-10-11 12:30:03,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 12:30:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 320 transitions. [2024-10-11 12:30:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-10-11 12:30:03,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:30:03,094 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:03,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:30:03,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:30:03,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:30:03,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1713060296, now seen corresponding path program 1 times [2024-10-11 12:30:03,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:30:03,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522570199] [2024-10-11 12:30:03,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:03,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:30:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:30:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:30:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:30:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:30:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:30:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:30:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:30:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:30:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:30:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:30:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:30:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:30:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:30:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:30:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:30:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:30:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:30:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:30:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:30:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:30:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:30:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:30:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:30:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:30:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:30:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:30:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:30:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:30:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:30:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:30:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:30:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:30:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:30:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:30:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:30:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:30:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:30:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:30:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:30:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:30:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:30:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:30:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:30:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:30:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:30:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:30:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:30:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:30:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:30:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:30:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 12:30:04,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:30:04,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522570199] [2024-10-11 12:30:04,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522570199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:30:04,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:30:04,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 12:30:04,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664731278] [2024-10-11 12:30:04,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:30:04,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 12:30:04,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:30:04,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 12:30:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:30:04,439 INFO L87 Difference]: Start difference. First operand 197 states and 320 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 12:30:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:30:05,446 INFO L93 Difference]: Finished difference Result 1037 states and 1683 transitions. [2024-10-11 12:30:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 12:30:05,446 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 330 [2024-10-11 12:30:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:30:05,455 INFO L225 Difference]: With dead ends: 1037 [2024-10-11 12:30:05,455 INFO L226 Difference]: Without dead ends: 841 [2024-10-11 12:30:05,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-10-11 12:30:05,458 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 1412 mSDsluCounter, 4029 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 4681 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 12:30:05,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 4681 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 12:30:05,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-11 12:30:05,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 719. [2024-10-11 12:30:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 539 states have (on average 1.5194805194805194) internal successors, (819), 541 states have internal predecessors, (819), 174 states have call successors, (174), 5 states have call predecessors, (174), 5 states have return successors, (174), 172 states have call predecessors, (174), 174 states have call successors, (174) [2024-10-11 12:30:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1167 transitions. [2024-10-11 12:30:05,587 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1167 transitions. Word has length 330 [2024-10-11 12:30:05,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:30:05,590 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1167 transitions. [2024-10-11 12:30:05,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 12:30:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1167 transitions. [2024-10-11 12:30:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-10-11 12:30:05,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:30:05,596 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:05,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:30:05,597 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:30:05,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:30:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1684513722, now seen corresponding path program 1 times [2024-10-11 12:30:05,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:30:05,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91150992] [2024-10-11 12:30:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:05,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:30:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:30:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:30:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:30:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:30:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:30:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:30:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:30:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:30:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:30:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:30:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:30:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:30:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:30:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:30:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:30:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:30:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:30:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:30:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:30:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:30:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:05,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:30:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:30:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:30:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:30:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:30:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:30:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:30:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:30:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:30:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:30:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:30:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:30:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:30:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:30:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:30:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:30:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:30:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:30:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:30:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:30:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:30:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:30:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:30:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:30:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:30:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:30:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:30:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:30:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:30:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:30:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 12:30:06,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:30:06,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91150992] [2024-10-11 12:30:06,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91150992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:30:06,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:30:06,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 12:30:06,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933759099] [2024-10-11 12:30:06,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:30:06,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 12:30:06,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:30:06,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 12:30:06,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 12:30:06,142 INFO L87 Difference]: Start difference. First operand 719 states and 1167 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 12:30:06,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:30:06,479 INFO L93 Difference]: Finished difference Result 2417 states and 3931 transitions. [2024-10-11 12:30:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 12:30:06,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 330 [2024-10-11 12:30:06,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:30:06,498 INFO L225 Difference]: With dead ends: 2417 [2024-10-11 12:30:06,499 INFO L226 Difference]: Without dead ends: 1699 [2024-10-11 12:30:06,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:30:06,506 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 396 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:30:06,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 999 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 12:30:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-10-11 12:30:06,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1567. [2024-10-11 12:30:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1208 states have (on average 1.5397350993377483) internal successors, (1860), 1212 states have internal predecessors, (1860), 348 states have call successors, (348), 10 states have call predecessors, (348), 10 states have return successors, (348), 344 states have call predecessors, (348), 348 states have call successors, (348) [2024-10-11 12:30:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2556 transitions. [2024-10-11 12:30:06,690 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2556 transitions. Word has length 330 [2024-10-11 12:30:06,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:30:06,692 INFO L471 AbstractCegarLoop]: Abstraction has 1567 states and 2556 transitions. [2024-10-11 12:30:06,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 12:30:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2556 transitions. [2024-10-11 12:30:06,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-11 12:30:06,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:30:06,697 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:06,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 12:30:06,698 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:30:06,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:30:06,698 INFO L85 PathProgramCache]: Analyzing trace with hash 812452040, now seen corresponding path program 1 times [2024-10-11 12:30:06,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:30:06,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271764226] [2024-10-11 12:30:06,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:06,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:30:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:30:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:30:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:30:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:30:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:30:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:30:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:30:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:30:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:30:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:30:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:30:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:30:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:30:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:30:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:30:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:30:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:30:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:30:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:30:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:30:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:30:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:30:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:30:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:30:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:30:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:30:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:30:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:30:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:30:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:30:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:30:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:30:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:30:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:30:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:30:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:30:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:30:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:30:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:30:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:30:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:30:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:30:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:30:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:30:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:30:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:30:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:30:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:30:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:30:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:30:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 12:30:07,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:30:07,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271764226] [2024-10-11 12:30:07,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271764226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:30:07,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:30:07,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:30:07,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658019256] [2024-10-11 12:30:07,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:30:07,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:30:07,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:30:07,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:30:07,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:30:07,522 INFO L87 Difference]: Start difference. First operand 1567 states and 2556 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 12:30:09,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:30:09,645 INFO L93 Difference]: Finished difference Result 5304 states and 8650 transitions. [2024-10-11 12:30:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 12:30:09,646 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 331 [2024-10-11 12:30:09,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:30:09,664 INFO L225 Difference]: With dead ends: 5304 [2024-10-11 12:30:09,664 INFO L226 Difference]: Without dead ends: 3738 [2024-10-11 12:30:09,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2024-10-11 12:30:09,670 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 3511 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 2782 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 12:30:09,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3511 Valid, 2782 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 12:30:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2024-10-11 12:30:09,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 2155. [2024-10-11 12:30:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1692 states have (on average 1.5508274231678487) internal successors, (2624), 1698 states have internal predecessors, (2624), 448 states have call successors, (448), 14 states have call predecessors, (448), 14 states have return successors, (448), 442 states have call predecessors, (448), 448 states have call successors, (448) [2024-10-11 12:30:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3520 transitions. [2024-10-11 12:30:09,853 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3520 transitions. Word has length 331 [2024-10-11 12:30:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:30:09,854 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3520 transitions. [2024-10-11 12:30:09,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 12:30:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3520 transitions. [2024-10-11 12:30:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-11 12:30:09,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:30:09,861 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:09,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 12:30:09,862 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:30:09,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:30:09,862 INFO L85 PathProgramCache]: Analyzing trace with hash -216907258, now seen corresponding path program 1 times [2024-10-11 12:30:09,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:30:09,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473671495] [2024-10-11 12:30:09,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:09,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:30:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:30:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:30:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:30:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:30:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:30:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:30:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:30:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:30:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:30:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:30:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:30:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:30:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:30:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:30:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:30:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:30:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:30:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:30:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:30:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:30:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:30:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:30:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:30:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:30:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:30:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:30:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:30:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:30:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:30:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:30:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:30:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:30:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:30:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:30:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:30:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:30:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:30:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:30:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:30:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:30:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:30:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:30:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:30:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:30:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:30:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:30:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:30:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:30:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:30:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:30:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 12:30:10,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:30:10,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473671495] [2024-10-11 12:30:10,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473671495] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:30:10,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:30:10,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 12:30:10,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296923835] [2024-10-11 12:30:10,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:30:10,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 12:30:10,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:30:10,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 12:30:10,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 12:30:10,396 INFO L87 Difference]: Start difference. First operand 2155 states and 3520 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 12:30:11,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:30:11,604 INFO L93 Difference]: Finished difference Result 6609 states and 10755 transitions. [2024-10-11 12:30:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 12:30:11,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 331 [2024-10-11 12:30:11,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:30:11,637 INFO L225 Difference]: With dead ends: 6609 [2024-10-11 12:30:11,637 INFO L226 Difference]: Without dead ends: 4455 [2024-10-11 12:30:11,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 12:30:11,648 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 841 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 12:30:11,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 1329 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 12:30:11,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4455 states. [2024-10-11 12:30:11,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4455 to 2871. [2024-10-11 12:30:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2358 states have (on average 1.585665818490246) internal successors, (3739), 2366 states have internal predecessors, (3739), 496 states have call successors, (496), 16 states have call predecessors, (496), 16 states have return successors, (496), 488 states have call predecessors, (496), 496 states have call successors, (496) [2024-10-11 12:30:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4731 transitions. [2024-10-11 12:30:11,947 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 4731 transitions. Word has length 331 [2024-10-11 12:30:11,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:30:11,948 INFO L471 AbstractCegarLoop]: Abstraction has 2871 states and 4731 transitions. [2024-10-11 12:30:11,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 12:30:11,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 4731 transitions. [2024-10-11 12:30:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-11 12:30:11,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:30:11,957 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:11,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 12:30:11,959 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:30:11,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:30:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash -339542524, now seen corresponding path program 1 times [2024-10-11 12:30:11,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:30:11,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262774390] [2024-10-11 12:30:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:30:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:30:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:30:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:30:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:30:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:30:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:30:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:30:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:30:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:30:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:30:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:30:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:30:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:30:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:30:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:30:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:30:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:30:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:30:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:30:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:30:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:30:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:30:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:30:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:30:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:30:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:30:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:30:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:30:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:30:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:30:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:30:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:30:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:30:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:30:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:30:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:30:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:30:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:30:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:30:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:30:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:30:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:30:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:30:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:30:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:30:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:30:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:30:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:30:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:30:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:30:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 12:30:12,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:30:12,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262774390] [2024-10-11 12:30:12,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262774390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:30:12,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:30:12,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 12:30:12,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527599118] [2024-10-11 12:30:12,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:30:12,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 12:30:12,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:30:12,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 12:30:12,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 12:30:12,784 INFO L87 Difference]: Start difference. First operand 2871 states and 4731 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 12:30:14,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:30:14,775 INFO L93 Difference]: Finished difference Result 7578 states and 12372 transitions. [2024-10-11 12:30:14,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 12:30:14,776 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 331 [2024-10-11 12:30:14,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:30:14,809 INFO L225 Difference]: With dead ends: 7578 [2024-10-11 12:30:14,809 INFO L226 Difference]: Without dead ends: 6449 [2024-10-11 12:30:14,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-11 12:30:14,816 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 1318 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 3114 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:30:14,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1318 Valid, 3114 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 12:30:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6449 states. [2024-10-11 12:30:15,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6449 to 3429. [2024-10-11 12:30:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3429 states, 2916 states have (on average 1.6104252400548698) internal successors, (4696), 2924 states have internal predecessors, (4696), 496 states have call successors, (496), 16 states have call predecessors, (496), 16 states have return successors, (496), 488 states have call predecessors, (496), 496 states have call successors, (496) [2024-10-11 12:30:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 3429 states and 5688 transitions. [2024-10-11 12:30:15,184 INFO L78 Accepts]: Start accepts. Automaton has 3429 states and 5688 transitions. Word has length 331 [2024-10-11 12:30:15,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:30:15,185 INFO L471 AbstractCegarLoop]: Abstraction has 3429 states and 5688 transitions. [2024-10-11 12:30:15,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 9 states have internal predecessors, (84), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 12:30:15,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3429 states and 5688 transitions. [2024-10-11 12:30:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-11 12:30:15,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:30:15,192 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:15,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 12:30:15,192 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:30:15,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:30:15,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1236935802, now seen corresponding path program 1 times [2024-10-11 12:30:15,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:30:15,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685718396] [2024-10-11 12:30:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:15,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:30:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:30:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:30:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:30:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:30:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:30:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:30:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:30:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:30:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:30:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:30:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:30:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:30:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:30:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:30:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:30:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:30:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:30:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:30:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:30:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:30:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:30:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:30:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:30:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:30:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:30:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:30:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:30:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:30:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:30:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:30:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:30:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:30:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:30:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:30:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:30:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:30:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:30:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:30:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:30:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:30:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:30:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:30:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:30:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:30:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:30:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:30:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:30:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:30:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:30:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:30:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 114 proven. 33 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2024-10-11 12:30:17,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:30:17,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685718396] [2024-10-11 12:30:17,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685718396] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:30:17,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218110300] [2024-10-11 12:30:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:30:17,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:30:17,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:30:17,240 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 12:30:17,241 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 12:30:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:30:17,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-10-11 12:30:17,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:30:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 3230 proven. 594 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2024-10-11 12:30:23,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:30:25,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218110300] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:30:25,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 12:30:25,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 29] total 40 [2024-10-11 12:30:25,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940074390] [2024-10-11 12:30:25,508 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 12:30:25,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-11 12:30:25,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:30:25,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-11 12:30:25,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1791, Unknown=0, NotChecked=0, Total=2070 [2024-10-11 12:30:25,512 INFO L87 Difference]: Start difference. First operand 3429 states and 5688 transitions. Second operand has 40 states, 40 states have (on average 4.7) internal successors, (188), 38 states have internal predecessors, (188), 10 states have call successors, (100), 9 states have call predecessors, (100), 14 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) [2024-10-11 12:31:02,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:31:02,168 INFO L93 Difference]: Finished difference Result 98057 states and 159353 transitions. [2024-10-11 12:31:02,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-10-11 12:31:02,169 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.7) internal successors, (188), 38 states have internal predecessors, (188), 10 states have call successors, (100), 9 states have call predecessors, (100), 14 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) Word has length 331 [2024-10-11 12:31:02,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:31:02,545 INFO L225 Difference]: With dead ends: 98057 [2024-10-11 12:31:02,545 INFO L226 Difference]: Without dead ends: 94629 [2024-10-11 12:31:02,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 816 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42789 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=9086, Invalid=90454, Unknown=0, NotChecked=0, Total=99540 [2024-10-11 12:31:02,621 INFO L432 NwaCegarLoop]: 1022 mSDtfsCounter, 15663 mSDsluCounter, 12722 mSDsCounter, 0 mSdLazyCounter, 13402 mSolverCounterSat, 3916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15789 SdHoareTripleChecker+Valid, 13744 SdHoareTripleChecker+Invalid, 17318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3916 IncrementalHoareTripleChecker+Valid, 13402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-10-11 12:31:02,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15789 Valid, 13744 Invalid, 17318 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3916 Valid, 13402 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2024-10-11 12:31:02,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94629 states. [2024-10-11 12:31:07,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94629 to 49686. [2024-10-11 12:31:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49686 states, 43905 states have (on average 1.625919599134495) internal successors, (71386), 44077 states have internal predecessors, (71386), 5518 states have call successors, (5518), 262 states have call predecessors, (5518), 262 states have return successors, (5518), 5346 states have call predecessors, (5518), 5518 states have call successors, (5518) [2024-10-11 12:31:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49686 states to 49686 states and 82422 transitions. [2024-10-11 12:31:07,883 INFO L78 Accepts]: Start accepts. Automaton has 49686 states and 82422 transitions. Word has length 331 [2024-10-11 12:31:07,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:31:07,884 INFO L471 AbstractCegarLoop]: Abstraction has 49686 states and 82422 transitions. [2024-10-11 12:31:07,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.7) internal successors, (188), 38 states have internal predecessors, (188), 10 states have call successors, (100), 9 states have call predecessors, (100), 14 states have return successors, (100), 10 states have call predecessors, (100), 10 states have call successors, (100) [2024-10-11 12:31:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 49686 states and 82422 transitions. [2024-10-11 12:31:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-10-11 12:31:07,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:31:07,923 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:07,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 12:31:08,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:31:08,129 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:31:08,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:31:08,130 INFO L85 PathProgramCache]: Analyzing trace with hash -761012668, now seen corresponding path program 1 times [2024-10-11 12:31:08,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:31:08,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165732734] [2024-10-11 12:31:08,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:31:08,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:31:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:31:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:31:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:31:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:31:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:31:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 12:31:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:31:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:31:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 12:31:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:31:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 12:31:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 12:31:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 12:31:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 12:31:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 12:31:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 12:31:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 12:31:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 12:31:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 12:31:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 12:31:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 12:31:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 12:31:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 12:31:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 12:31:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 12:31:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 12:31:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 12:31:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 12:31:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 12:31:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 12:31:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 12:31:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 12:31:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 12:31:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 12:31:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 12:31:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 12:31:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 12:31:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 12:31:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 12:31:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 12:31:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 12:31:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 12:31:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 12:31:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 12:31:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 12:31:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 12:31:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 12:31:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-11 12:31:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 12:31:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-11 12:31:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:31:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 12:31:08,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:31:08,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165732734] [2024-10-11 12:31:08,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165732734] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:31:08,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:31:08,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 12:31:08,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100141021] [2024-10-11 12:31:08,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:31:08,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 12:31:08,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:31:08,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 12:31:08,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 12:31:08,999 INFO L87 Difference]: Start difference. First operand 49686 states and 82422 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50)