./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_floatingpointinfluence_no-floats_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b836ea2f262418da81f26dbfe56a862353221b7830dc2829bc30e02d19dd77f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:04:51,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:04:51,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 11:04:51,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:04:51,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:04:51,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:04:51,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:04:51,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:04:51,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:04:51,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:04:51,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:04:51,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:04:51,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:04:51,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:04:51,180 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:04:51,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:04:51,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:04:51,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:04:51,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 11:04:51,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:04:51,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:04:51,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:04:51,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:04:51,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:04:51,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:04:51,187 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:04:51,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:04:51,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:04:51,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:04:51,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:04:51,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:04:51,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:04:51,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:04:51,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:04:51,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:04:51,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:04:51,190 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 11:04:51,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 11:04:51,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:04:51,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:04:51,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:04:51,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:04:51,192 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b836ea2f262418da81f26dbfe56a862353221b7830dc2829bc30e02d19dd77f [2024-10-14 11:04:51,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:04:51,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:04:51,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:04:51,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:04:51,459 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:04:51,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i [2024-10-14 11:04:52,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:04:53,058 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:04:53,059 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-51.i [2024-10-14 11:04:53,068 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d02b76c/e66eec1884b242d5b557657cd03fa5d6/FLAG7c0c577eb [2024-10-14 11:04:53,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d02b76c/e66eec1884b242d5b557657cd03fa5d6 [2024-10-14 11:04:53,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:04:53,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:04:53,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:04:53,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:04:53,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:04:53,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b804cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53, skipping insertion in model container [2024-10-14 11:04:53,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:04:53,265 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_floatingpointinfluence_no-floats_file-51.i[916,929] [2024-10-14 11:04:53,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:04:53,314 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:04:53,325 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_floatingpointinfluence_no-floats_file-51.i[916,929] [2024-10-14 11:04:53,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:04:53,394 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:04:53,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53 WrapperNode [2024-10-14 11:04:53,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:04:53,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:04:53,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:04:53,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:04:53,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,485 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-10-14 11:04:53,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:04:53,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:04:53,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:04:53,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:04:53,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,512 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 11:04:53,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:04:53,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:04:53,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:04:53,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:04:53,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (1/1) ... [2024-10-14 11:04:53,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:04:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:04:53,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 11:04:53,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 11:04:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:04:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:04:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:04:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 11:04:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:04:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:04:53,704 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:04:53,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:04:53,941 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-14 11:04:53,941 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:04:53,995 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:04:53,996 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:04:53,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:04:53 BoogieIcfgContainer [2024-10-14 11:04:53,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:04:53,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:04:53,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:04:54,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:04:54,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:04:53" (1/3) ... [2024-10-14 11:04:54,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dcb485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:04:54, skipping insertion in model container [2024-10-14 11:04:54,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:04:53" (2/3) ... [2024-10-14 11:04:54,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69dcb485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:04:54, skipping insertion in model container [2024-10-14 11:04:54,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:04:53" (3/3) ... [2024-10-14 11:04:54,007 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-51.i [2024-10-14 11:04:54,029 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:04:54,030 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:04:54,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:04:54,107 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;@6605930e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:04:54,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:04:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 11:04:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-14 11:04:54,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:04:54,126 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:04:54,126 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:04:54,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:04:54,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1530764745, now seen corresponding path program 1 times [2024-10-14 11:04:54,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:04:54,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838754640] [2024-10-14 11:04:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:04:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:04:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:04:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:04:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:04:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:04:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:04:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:04:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:04:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:04:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:04:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:04:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:04:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:04:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:04:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:04:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:04:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:04:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:04:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:04:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:04:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:04:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:04:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:04:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:04:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 11:04:54,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:04:54,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838754640] [2024-10-14 11:04:54,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838754640] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:04:54,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:04:54,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 11:04:54,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947482580] [2024-10-14 11:04:54,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:04:54,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 11:04:54,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:04:54,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 11:04:54,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:04:54,588 INFO L87 Difference]: Start difference. First operand has 54 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 11:04:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:04:54,638 INFO L93 Difference]: Finished difference Result 105 states and 191 transitions. [2024-10-14 11:04:54,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 11:04:54,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 135 [2024-10-14 11:04:54,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:04:54,651 INFO L225 Difference]: With dead ends: 105 [2024-10-14 11:04:54,651 INFO L226 Difference]: Without dead ends: 52 [2024-10-14 11:04:54,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:04:54,658 INFO L432 NwaCegarLoop]: 76 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, 76 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:04:54,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:04:54,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-14 11:04:54,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-14 11:04:54,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-14 11:04:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2024-10-14 11:04:54,711 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 135 [2024-10-14 11:04:54,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:04:54,711 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2024-10-14 11:04:54,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 11:04:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2024-10-14 11:04:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-14 11:04:54,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:04:54,715 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:04:54,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 11:04:54,716 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:04:54,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:04:54,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1498358109, now seen corresponding path program 1 times [2024-10-14 11:04:54,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:04:54,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161505036] [2024-10-14 11:04:54,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:04:54,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:04:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:04:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:04:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:04:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:04:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:04:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:04:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:04:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:04:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:04:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:04:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:04:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:04:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:04:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:04:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:04:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:04:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:04:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:04:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:04:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:04:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:04:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:04:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:04:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:04:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 11:04:59,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:04:59,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161505036] [2024-10-14 11:04:59,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161505036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:04:59,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:04:59,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 11:04:59,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528802915] [2024-10-14 11:04:59,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:04:59,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 11:04:59,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:04:59,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 11:04:59,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:04:59,680 INFO L87 Difference]: Start difference. First operand 52 states and 79 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:01,548 INFO L93 Difference]: Finished difference Result 143 states and 206 transitions. [2024-10-14 11:05:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 11:05:01,549 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 136 [2024-10-14 11:05:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:01,554 INFO L225 Difference]: With dead ends: 143 [2024-10-14 11:05:01,555 INFO L226 Difference]: Without dead ends: 141 [2024-10-14 11:05:01,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-10-14 11:05:01,556 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 120 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:01,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 328 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 11:05:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-14 11:05:01,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 112. [2024-10-14 11:05:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 63 states have (on average 1.253968253968254) internal successors, (79), 63 states have internal predecessors, (79), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 11:05:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 171 transitions. [2024-10-14 11:05:01,603 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 171 transitions. Word has length 136 [2024-10-14 11:05:01,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:01,605 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 171 transitions. [2024-10-14 11:05:01,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2024-10-14 11:05:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-14 11:05:01,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:01,610 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:01,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 11:05:01,610 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:01,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:01,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1987262561, now seen corresponding path program 1 times [2024-10-14 11:05:01,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:01,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036338579] [2024-10-14 11:05:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:01,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:05:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:05:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:05:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:05:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:05:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:05:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:05:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:05:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:05:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:05:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:05:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:05:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:05:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:05:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:05:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:05:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:05:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:05:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:05:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:05:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:05:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:05:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:05:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 11:05:04,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:05:04,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036338579] [2024-10-14 11:05:04,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036338579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:05:04,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:05:04,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 11:05:04,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740803879] [2024-10-14 11:05:04,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:05:04,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:05:04,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:05:04,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:05:04,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:05:04,347 INFO L87 Difference]: Start difference. First operand 112 states and 171 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 11:05:05,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:05,730 INFO L93 Difference]: Finished difference Result 170 states and 245 transitions. [2024-10-14 11:05:05,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 11:05:05,731 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 136 [2024-10-14 11:05:05,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:05,734 INFO L225 Difference]: With dead ends: 170 [2024-10-14 11:05:05,734 INFO L226 Difference]: Without dead ends: 168 [2024-10-14 11:05:05,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-14 11:05:05,736 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 127 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:05,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 441 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 11:05:05,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-14 11:05:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 141. [2024-10-14 11:05:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 59 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 11:05:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 214 transitions. [2024-10-14 11:05:05,776 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 214 transitions. Word has length 136 [2024-10-14 11:05:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:05,777 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 214 transitions. [2024-10-14 11:05:05,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 11:05:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 214 transitions. [2024-10-14 11:05:05,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 11:05:05,779 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:05,780 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:05,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 11:05:05,781 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:05,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:05,782 INFO L85 PathProgramCache]: Analyzing trace with hash 785631000, now seen corresponding path program 1 times [2024-10-14 11:05:05,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:05,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080777281] [2024-10-14 11:05:05,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:05,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:05:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:05:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:05:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:05:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:05:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:05:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:05:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:05:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:05:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:05:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:05:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:05:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:05:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:05:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:05:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:05:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:05:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:05:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:05:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:05:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:05:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:05:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:05:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 11:05:20,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:05:20,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080777281] [2024-10-14 11:05:20,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080777281] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:05:20,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:05:20,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 11:05:20,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856497135] [2024-10-14 11:05:20,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:05:20,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 11:05:20,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:05:20,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 11:05:20,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-14 11:05:20,872 INFO L87 Difference]: Start difference. First operand 141 states and 214 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:26,096 INFO L93 Difference]: Finished difference Result 184 states and 259 transitions. [2024-10-14 11:05:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 11:05:26,098 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 137 [2024-10-14 11:05:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:26,102 INFO L225 Difference]: With dead ends: 184 [2024-10-14 11:05:26,102 INFO L226 Difference]: Without dead ends: 182 [2024-10-14 11:05:26,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2024-10-14 11:05:26,104 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 180 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:26,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 341 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 11:05:26,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-14 11:05:26,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 144. [2024-10-14 11:05:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 82 states have internal predecessors, (101), 59 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 11:05:26,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 219 transitions. [2024-10-14 11:05:26,149 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 219 transitions. Word has length 137 [2024-10-14 11:05:26,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:26,150 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 219 transitions. [2024-10-14 11:05:26,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 219 transitions. [2024-10-14 11:05:26,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 11:05:26,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:26,152 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:26,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 11:05:26,153 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:26,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:26,153 INFO L85 PathProgramCache]: Analyzing trace with hash 785690582, now seen corresponding path program 1 times [2024-10-14 11:05:26,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:26,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872978309] [2024-10-14 11:05:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:26,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 11:05:26,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197065096] [2024-10-14 11:05:26,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:26,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 11:05:26,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:05:26,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 11:05:26,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 11:05:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:26,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 11:05:26,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 11:05:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 336 proven. 54 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2024-10-14 11:05:27,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 11:05:27,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:05:27,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872978309] [2024-10-14 11:05:27,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 11:05:27,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197065096] [2024-10-14 11:05:27,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197065096] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 11:05:27,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 11:05:27,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-14 11:05:27,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123328248] [2024-10-14 11:05:27,519 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 11:05:27,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 11:05:27,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:05:27,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 11:05:27,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:05:27,524 INFO L87 Difference]: Start difference. First operand 144 states and 219 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 11:05:28,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:28,156 INFO L93 Difference]: Finished difference Result 312 states and 458 transitions. [2024-10-14 11:05:28,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 11:05:28,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 137 [2024-10-14 11:05:28,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:28,160 INFO L225 Difference]: With dead ends: 312 [2024-10-14 11:05:28,161 INFO L226 Difference]: Without dead ends: 169 [2024-10-14 11:05:28,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-14 11:05:28,166 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 17 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:28,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 114 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 11:05:28,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-14 11:05:28,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 154. [2024-10-14 11:05:28,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 88 states have (on average 1.1704545454545454) internal successors, (103), 89 states have internal predecessors, (103), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 11:05:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 221 transitions. [2024-10-14 11:05:28,215 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 221 transitions. Word has length 137 [2024-10-14 11:05:28,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:28,215 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 221 transitions. [2024-10-14 11:05:28,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-14 11:05:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 221 transitions. [2024-10-14 11:05:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 11:05:28,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:28,218 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:28,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 11:05:28,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 11:05:28,419 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:28,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:28,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1465689370, now seen corresponding path program 1 times [2024-10-14 11:05:28,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:28,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71121590] [2024-10-14 11:05:28,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:05:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:05:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:05:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:05:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:05:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:05:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:05:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:05:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:05:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:05:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:05:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:05:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:05:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:05:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:05:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:05:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:05:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:05:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:05:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:05:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:05:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:05:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:05:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-14 11:05:34,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:05:34,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71121590] [2024-10-14 11:05:34,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71121590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:05:34,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:05:34,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 11:05:34,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676010530] [2024-10-14 11:05:34,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:05:34,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 11:05:34,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:05:34,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 11:05:34,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-14 11:05:34,188 INFO L87 Difference]: Start difference. First operand 154 states and 221 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 11:05:37,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:37,799 INFO L93 Difference]: Finished difference Result 212 states and 290 transitions. [2024-10-14 11:05:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-14 11:05:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 137 [2024-10-14 11:05:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:37,802 INFO L225 Difference]: With dead ends: 212 [2024-10-14 11:05:37,802 INFO L226 Difference]: Without dead ends: 210 [2024-10-14 11:05:37,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2024-10-14 11:05:37,804 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 117 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:37,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 614 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 11:05:37,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-10-14 11:05:37,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 150. [2024-10-14 11:05:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 84 states have (on average 1.1547619047619047) internal successors, (97), 85 states have internal predecessors, (97), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 11:05:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 215 transitions. [2024-10-14 11:05:37,859 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 215 transitions. Word has length 137 [2024-10-14 11:05:37,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:37,860 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 215 transitions. [2024-10-14 11:05:37,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-14 11:05:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 215 transitions. [2024-10-14 11:05:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-10-14 11:05:37,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:37,866 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:37,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 11:05:37,867 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:37,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:37,867 INFO L85 PathProgramCache]: Analyzing trace with hash 505266166, now seen corresponding path program 1 times [2024-10-14 11:05:37,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:37,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101032336] [2024-10-14 11:05:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:37,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:05:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:05:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:05:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:05:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:05:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:05:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:05:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:05:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:05:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:05:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:05:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:05:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:05:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:05:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:05:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:05:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:05:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:05:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:05:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:05:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:05:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:05:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:05:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-14 11:05:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 11:05:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 11:05:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 11:05:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 11:05:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-14 11:05:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 11:05:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 11:05:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 11:05:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-14 11:05:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 11:05:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 11:05:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 11:05:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:37,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 11:05:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-14 11:05:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 11:05:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 11:05:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 11:05:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 11:05:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 11:05:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 11:05:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 11:05:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 11:05:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4142 trivial. 0 not checked. [2024-10-14 11:05:38,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:05:38,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101032336] [2024-10-14 11:05:38,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101032336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:05:38,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:05:38,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 11:05:38,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915709896] [2024-10-14 11:05:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:05:38,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 11:05:38,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:05:38,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 11:05:38,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 11:05:38,019 INFO L87 Difference]: Start difference. First operand 150 states and 215 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-14 11:05:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:38,098 INFO L93 Difference]: Finished difference Result 319 states and 452 transitions. [2024-10-14 11:05:38,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 11:05:38,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 272 [2024-10-14 11:05:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:38,101 INFO L225 Difference]: With dead ends: 319 [2024-10-14 11:05:38,101 INFO L226 Difference]: Without dead ends: 170 [2024-10-14 11:05:38,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 11:05:38,103 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 7 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:38,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 147 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:05:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-10-14 11:05:38,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 156. [2024-10-14 11:05:38,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 90 states have (on average 1.1333333333333333) internal successors, (102), 91 states have internal predecessors, (102), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 11:05:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2024-10-14 11:05:38,150 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 272 [2024-10-14 11:05:38,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:38,150 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2024-10-14 11:05:38,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-10-14 11:05:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2024-10-14 11:05:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-14 11:05:38,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:38,156 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:38,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 11:05:38,156 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:38,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:38,156 INFO L85 PathProgramCache]: Analyzing trace with hash -881080097, now seen corresponding path program 1 times [2024-10-14 11:05:38,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:38,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448817849] [2024-10-14 11:05:38,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:38,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:05:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:05:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:05:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:05:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:05:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:05:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:05:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:05:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:05:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:05:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:05:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:05:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:05:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:05:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:05:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:05:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:05:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:05:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:05:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:05:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:05:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:05:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:05:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 11:05:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 11:05:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 11:05:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 11:05:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 11:05:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 11:05:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-14 11:05:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 11:05:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-14 11:05:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 11:05:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-14 11:05:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 11:05:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 11:05:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 11:05:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 11:05:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 11:05:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 11:05:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 11:05:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 11:05:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 11:05:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-14 11:05:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-14 11:05:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-14 11:05:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4175 trivial. 0 not checked. [2024-10-14 11:05:40,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:05:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448817849] [2024-10-14 11:05:40,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448817849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:05:40,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:05:40,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 11:05:40,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479147892] [2024-10-14 11:05:40,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:05:40,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 11:05:40,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:05:40,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 11:05:40,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 11:05:40,364 INFO L87 Difference]: Start difference. First operand 156 states and 220 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:40,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:40,796 INFO L93 Difference]: Finished difference Result 186 states and 253 transitions. [2024-10-14 11:05:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 11:05:40,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 273 [2024-10-14 11:05:40,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:40,799 INFO L225 Difference]: With dead ends: 186 [2024-10-14 11:05:40,799 INFO L226 Difference]: Without dead ends: 184 [2024-10-14 11:05:40,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:05:40,800 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 16 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:40,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 253 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 11:05:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-14 11:05:40,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 160. [2024-10-14 11:05:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 94 states have (on average 1.148936170212766) internal successors, (108), 95 states have internal predecessors, (108), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 11:05:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 226 transitions. [2024-10-14 11:05:40,852 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 226 transitions. Word has length 273 [2024-10-14 11:05:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 226 transitions. [2024-10-14 11:05:40,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 226 transitions. [2024-10-14 11:05:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-10-14 11:05:40,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:40,860 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:40,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 11:05:40,861 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:40,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:40,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1690426723, now seen corresponding path program 1 times [2024-10-14 11:05:40,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:40,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011501139] [2024-10-14 11:05:40,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:40,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:05:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:05:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:05:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:05:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:05:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:05:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:05:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:05:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:05:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:05:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:05:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:05:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:05:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:05:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:05:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:05:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:05:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:05:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:05:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:05:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:05:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:05:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:05:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 11:05:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 11:05:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 11:05:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 11:05:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 11:05:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 11:05:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-14 11:05:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 11:05:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-14 11:05:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 11:05:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-14 11:05:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 11:05:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 11:05:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 11:05:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 11:05:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 11:05:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 11:05:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 11:05:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 11:05:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 11:05:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-14 11:05:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-14 11:05:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-14 11:05:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4175 trivial. 0 not checked. [2024-10-14 11:05:42,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:05:42,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011501139] [2024-10-14 11:05:42,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011501139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:05:42,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:05:42,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 11:05:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950935594] [2024-10-14 11:05:42,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:05:42,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 11:05:42,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:05:42,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 11:05:42,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 11:05:42,712 INFO L87 Difference]: Start difference. First operand 160 states and 226 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:05:43,202 INFO L93 Difference]: Finished difference Result 185 states and 252 transitions. [2024-10-14 11:05:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 11:05:43,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 273 [2024-10-14 11:05:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:05:43,205 INFO L225 Difference]: With dead ends: 185 [2024-10-14 11:05:43,206 INFO L226 Difference]: Without dead ends: 183 [2024-10-14 11:05:43,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:05:43,207 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 16 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 11:05:43,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 283 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 11:05:43,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-14 11:05:43,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 156. [2024-10-14 11:05:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 90 states have (on average 1.1333333333333333) internal successors, (102), 91 states have internal predecessors, (102), 59 states have call successors, (59), 6 states have call predecessors, (59), 6 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 11:05:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2024-10-14 11:05:43,253 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 273 [2024-10-14 11:05:43,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:05:43,255 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2024-10-14 11:05:43,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-10-14 11:05:43,255 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2024-10-14 11:05:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-14 11:05:43,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:05:43,257 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:05:43,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 11:05:43,257 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:05:43,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:05:43,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1553587108, now seen corresponding path program 1 times [2024-10-14 11:05:43,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:05:43,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094872992] [2024-10-14 11:05:43,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:05:43,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:05:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:05:52,229 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 121 DAG size of output: 115 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)