./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.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 4530217ca1f20f3cb75b415cf917b29c2da92488d9a0626f4e89358462ce0871 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:20:50,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:20:50,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:20:50,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:20:50,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:20:50,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:20:50,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:20:50,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:20:50,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:20:50,346 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:20:50,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:20:50,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:20:50,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:20:50,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:20:50,348 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:20:50,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:20:50,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:20:50,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:20:50,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:20:50,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:20:50,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:20:50,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:20:50,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:20:50,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:20:50,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:20:50,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:20:50,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:20:50,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:20:50,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:20:50,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:20:50,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:20:50,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:20:50,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:20:50,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:20:50,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:20:50,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:20:50,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:20:50,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:20:50,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:20:50,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:20:50,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:20:50,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:20:50,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4530217ca1f20f3cb75b415cf917b29c2da92488d9a0626f4e89358462ce0871 [2024-10-14 12:20:50,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:20:50,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:20:50,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:20:50,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:20:50,621 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:20:50,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i [2024-10-14 12:20:51,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:20:52,077 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:20:52,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i [2024-10-14 12:20:52,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f611d99/922f0159677848d78fa7c479c98c5a06/FLAG86ac62ba7 [2024-10-14 12:20:52,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f611d99/922f0159677848d78fa7c479c98c5a06 [2024-10-14 12:20:52,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:20:52,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:20:52,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:20:52,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:20:52,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:20:52,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9b8aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52, skipping insertion in model container [2024-10-14 12:20:52,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:20:52,293 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i[916,929] [2024-10-14 12:20:52,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:20:52,377 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:20:52,387 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-61.i[916,929] [2024-10-14 12:20:52,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:20:52,449 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:20:52,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52 WrapperNode [2024-10-14 12:20:52,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:20:52,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:20:52,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:20:52,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:20:52,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,520 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244 [2024-10-14 12:20:52,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:20:52,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:20:52,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:20:52,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:20:52,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,541 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,573 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 12:20:52,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:20:52,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:20:52,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:20:52,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:20:52,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (1/1) ... [2024-10-14 12:20:52,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:20:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:20:52,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 12:20:52,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 12:20:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:20:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:20:52,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:20:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:20:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:20:52,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:20:52,757 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:20:52,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:20:53,250 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-10-14 12:20:53,251 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:20:53,289 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:20:53,289 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:20:53,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:20:53 BoogieIcfgContainer [2024-10-14 12:20:53,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:20:53,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:20:53,293 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:20:53,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:20:53,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:20:52" (1/3) ... [2024-10-14 12:20:53,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cd6748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:20:53, skipping insertion in model container [2024-10-14 12:20:53,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:52" (2/3) ... [2024-10-14 12:20:53,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70cd6748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:20:53, skipping insertion in model container [2024-10-14 12:20:53,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:20:53" (3/3) ... [2024-10-14 12:20:53,299 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-61.i [2024-10-14 12:20:53,316 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:20:53,316 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:20:53,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:20:53,369 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;@d704c6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:20:53,369 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:20:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 72 states have internal predecessors, (108), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 12:20:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 12:20:53,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:20:53,387 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:20:53,388 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:20:53,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:20:53,393 INFO L85 PathProgramCache]: Analyzing trace with hash 892643129, now seen corresponding path program 1 times [2024-10-14 12:20:53,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:20:53,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000054063] [2024-10-14 12:20:53,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:20:53,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:20:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:20:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:20:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:20:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:20:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:20:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:20:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:20:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:20:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:20:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:20:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:20:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:20:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:20:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:20:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:20:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:20:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:20:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:20:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:20:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:20:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:20:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:20:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:20:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:20:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:20:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:20:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:20:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:20:53,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:20:53,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000054063] [2024-10-14 12:20:53,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000054063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:20:53,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:20:53,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 12:20:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107038530] [2024-10-14 12:20:53,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:20:53,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 12:20:53,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:20:53,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 12:20:53,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:20:53,903 INFO L87 Difference]: Start difference. First operand has 100 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 72 states have internal predecessors, (108), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 12:20:53,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:20:53,961 INFO L93 Difference]: Finished difference Result 197 states and 344 transitions. [2024-10-14 12:20:53,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 12:20:53,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 171 [2024-10-14 12:20:53,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:20:53,973 INFO L225 Difference]: With dead ends: 197 [2024-10-14 12:20:53,974 INFO L226 Difference]: Without dead ends: 98 [2024-10-14 12:20:53,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 12:20:53,983 INFO L432 NwaCegarLoop]: 152 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, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:20:53,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:20:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-10-14 12:20:54,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-10-14 12:20:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 70 states have internal predecessors, (103), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 12:20:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 155 transitions. [2024-10-14 12:20:54,035 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 155 transitions. Word has length 171 [2024-10-14 12:20:54,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:20:54,036 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 155 transitions. [2024-10-14 12:20:54,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 12:20:54,037 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2024-10-14 12:20:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 12:20:54,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:20:54,044 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:20:54,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:20:54,045 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:20:54,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:20:54,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1828401791, now seen corresponding path program 1 times [2024-10-14 12:20:54,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:20:54,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731808588] [2024-10-14 12:20:54,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:20:54,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:20:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:01,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:01,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731808588] [2024-10-14 12:21:01,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731808588] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:01,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:01,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 12:21:01,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711815817] [2024-10-14 12:21:01,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:01,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 12:21:01,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:01,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 12:21:01,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-14 12:21:01,378 INFO L87 Difference]: Start difference. First operand 98 states and 155 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-14 12:21:02,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:02,836 INFO L93 Difference]: Finished difference Result 483 states and 762 transitions. [2024-10-14 12:21:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 12:21:02,837 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 171 [2024-10-14 12:21:02,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:02,841 INFO L225 Difference]: With dead ends: 483 [2024-10-14 12:21:02,841 INFO L226 Difference]: Without dead ends: 386 [2024-10-14 12:21:02,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2024-10-14 12:21:02,843 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 855 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:02,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 616 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 12:21:02,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-14 12:21:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 236. [2024-10-14 12:21:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 181 states have (on average 1.5082872928176796) internal successors, (273), 181 states have internal predecessors, (273), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 377 transitions. [2024-10-14 12:21:02,885 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 377 transitions. Word has length 171 [2024-10-14 12:21:02,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:02,886 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 377 transitions. [2024-10-14 12:21:02,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-14 12:21:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 377 transitions. [2024-10-14 12:21:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 12:21:02,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:02,889 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:02,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:21:02,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:02,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:02,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1186701827, now seen corresponding path program 1 times [2024-10-14 12:21:02,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:02,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822567382] [2024-10-14 12:21:02,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:02,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:03,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:03,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822567382] [2024-10-14 12:21:03,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822567382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:03,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:03,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:21:03,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166278560] [2024-10-14 12:21:03,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:03,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:21:03,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:03,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:21:03,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:21:03,132 INFO L87 Difference]: Start difference. First operand 236 states and 377 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:03,199 INFO L93 Difference]: Finished difference Result 374 states and 589 transitions. [2024-10-14 12:21:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:21:03,201 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), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-14 12:21:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:03,204 INFO L225 Difference]: With dead ends: 374 [2024-10-14 12:21:03,205 INFO L226 Difference]: Without dead ends: 238 [2024-10-14 12:21:03,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:21:03,207 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 90 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:03,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 175 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:21:03,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-10-14 12:21:03,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-10-14 12:21:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 181 states have (on average 1.4640883977900552) internal successors, (265), 181 states have internal predecessors, (265), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 369 transitions. [2024-10-14 12:21:03,227 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 369 transitions. Word has length 171 [2024-10-14 12:21:03,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:03,227 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 369 transitions. [2024-10-14 12:21:03,228 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), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2024-10-14 12:21:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 12:21:03,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:03,229 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:03,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 12:21:03,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:03,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:03,230 INFO L85 PathProgramCache]: Analyzing trace with hash 37638904, now seen corresponding path program 1 times [2024-10-14 12:21:03,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:03,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59655931] [2024-10-14 12:21:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:03,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:03,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:03,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59655931] [2024-10-14 12:21:03,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59655931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:03,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:03,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 12:21:03,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888748323] [2024-10-14 12:21:03,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:03,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 12:21:03,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:03,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 12:21:03,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:21:03,504 INFO L87 Difference]: Start difference. First operand 238 states and 369 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:03,667 INFO L93 Difference]: Finished difference Result 414 states and 645 transitions. [2024-10-14 12:21:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 12:21:03,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 12:21:03,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:03,670 INFO L225 Difference]: With dead ends: 414 [2024-10-14 12:21:03,670 INFO L226 Difference]: Without dead ends: 313 [2024-10-14 12:21:03,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 12:21:03,672 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 257 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:03,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 552 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:21:03,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-14 12:21:03,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 239. [2024-10-14 12:21:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 182 states have internal predecessors, (266), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 370 transitions. [2024-10-14 12:21:03,692 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 370 transitions. Word has length 172 [2024-10-14 12:21:03,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:03,693 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 370 transitions. [2024-10-14 12:21:03,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 370 transitions. [2024-10-14 12:21:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 12:21:03,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:03,695 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:03,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 12:21:03,695 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:03,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1767799430, now seen corresponding path program 1 times [2024-10-14 12:21:03,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:03,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553780115] [2024-10-14 12:21:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:04,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:04,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553780115] [2024-10-14 12:21:04,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553780115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:04,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:04,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 12:21:04,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361569268] [2024-10-14 12:21:04,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:04,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 12:21:04,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 12:21:04,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 12:21:04,689 INFO L87 Difference]: Start difference. First operand 239 states and 370 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 12:21:05,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:05,224 INFO L93 Difference]: Finished difference Result 513 states and 790 transitions. [2024-10-14 12:21:05,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 12:21:05,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2024-10-14 12:21:05,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:05,227 INFO L225 Difference]: With dead ends: 513 [2024-10-14 12:21:05,227 INFO L226 Difference]: Without dead ends: 412 [2024-10-14 12:21:05,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-14 12:21:05,229 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 620 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:05,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 545 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 12:21:05,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-14 12:21:05,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 255. [2024-10-14 12:21:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 198 states have (on average 1.47979797979798) internal successors, (293), 198 states have internal predecessors, (293), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 397 transitions. [2024-10-14 12:21:05,244 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 397 transitions. Word has length 172 [2024-10-14 12:21:05,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:05,245 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 397 transitions. [2024-10-14 12:21:05,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 12:21:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 397 transitions. [2024-10-14 12:21:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 12:21:05,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:05,247 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:05,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 12:21:05,247 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:05,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:05,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1111650613, now seen corresponding path program 1 times [2024-10-14 12:21:05,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:05,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270901961] [2024-10-14 12:21:05,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:05,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:06,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:06,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270901961] [2024-10-14 12:21:06,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270901961] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:06,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:06,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 12:21:06,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920882318] [2024-10-14 12:21:06,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:06,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 12:21:06,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:06,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 12:21:06,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:21:06,655 INFO L87 Difference]: Start difference. First operand 255 states and 397 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:06,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:06,993 INFO L93 Difference]: Finished difference Result 429 states and 661 transitions. [2024-10-14 12:21:06,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 12:21:06,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 12:21:06,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:06,996 INFO L225 Difference]: With dead ends: 429 [2024-10-14 12:21:06,996 INFO L226 Difference]: Without dead ends: 319 [2024-10-14 12:21:06,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 12:21:07,001 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 152 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:07,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 396 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 12:21:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-10-14 12:21:07,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 273. [2024-10-14 12:21:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 216 states have (on average 1.4768518518518519) internal successors, (319), 216 states have internal predecessors, (319), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 423 transitions. [2024-10-14 12:21:07,027 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 423 transitions. Word has length 172 [2024-10-14 12:21:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:07,028 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 423 transitions. [2024-10-14 12:21:07,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 423 transitions. [2024-10-14 12:21:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 12:21:07,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:07,030 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:07,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 12:21:07,030 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:07,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:07,032 INFO L85 PathProgramCache]: Analyzing trace with hash -279367905, now seen corresponding path program 1 times [2024-10-14 12:21:07,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:07,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718193271] [2024-10-14 12:21:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:07,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:08,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:08,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718193271] [2024-10-14 12:21:08,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718193271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:08,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:08,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 12:21:08,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084762481] [2024-10-14 12:21:08,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:08,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 12:21:08,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:08,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 12:21:08,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:21:08,242 INFO L87 Difference]: Start difference. First operand 273 states and 423 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:08,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:08,568 INFO L93 Difference]: Finished difference Result 411 states and 633 transitions. [2024-10-14 12:21:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 12:21:08,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 12:21:08,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:08,571 INFO L225 Difference]: With dead ends: 411 [2024-10-14 12:21:08,571 INFO L226 Difference]: Without dead ends: 301 [2024-10-14 12:21:08,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:21:08,575 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 90 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:08,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 483 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 12:21:08,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-10-14 12:21:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 264. [2024-10-14 12:21:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 207 states have (on average 1.4685990338164252) internal successors, (304), 207 states have internal predecessors, (304), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 408 transitions. [2024-10-14 12:21:08,593 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 408 transitions. Word has length 172 [2024-10-14 12:21:08,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:08,595 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 408 transitions. [2024-10-14 12:21:08,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 408 transitions. [2024-10-14 12:21:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 12:21:08,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:08,597 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:08,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 12:21:08,597 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:08,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:08,597 INFO L85 PathProgramCache]: Analyzing trace with hash -594405841, now seen corresponding path program 1 times [2024-10-14 12:21:08,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:08,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722894250] [2024-10-14 12:21:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:08,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:09,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:09,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722894250] [2024-10-14 12:21:09,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722894250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:09,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:09,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 12:21:09,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289366999] [2024-10-14 12:21:09,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:09,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 12:21:09,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 12:21:09,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:21:09,408 INFO L87 Difference]: Start difference. First operand 264 states and 408 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:09,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:09,757 INFO L93 Difference]: Finished difference Result 427 states and 651 transitions. [2024-10-14 12:21:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 12:21:09,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2024-10-14 12:21:09,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:09,760 INFO L225 Difference]: With dead ends: 427 [2024-10-14 12:21:09,760 INFO L226 Difference]: Without dead ends: 317 [2024-10-14 12:21:09,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 12:21:09,761 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 119 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:09,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 554 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 12:21:09,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-10-14 12:21:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 260. [2024-10-14 12:21:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 203 states have (on average 1.4532019704433496) internal successors, (295), 203 states have internal predecessors, (295), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 399 transitions. [2024-10-14 12:21:09,774 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 399 transitions. Word has length 173 [2024-10-14 12:21:09,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:09,774 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 399 transitions. [2024-10-14 12:21:09,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 399 transitions. [2024-10-14 12:21:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-14 12:21:09,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:09,776 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:09,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 12:21:09,776 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:09,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:09,776 INFO L85 PathProgramCache]: Analyzing trace with hash 426906800, now seen corresponding path program 1 times [2024-10-14 12:21:09,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:09,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318659345] [2024-10-14 12:21:09,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:21:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:21:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:21:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:21:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:21:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:21:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:21:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:21:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:21:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:21:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:21:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:21:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:21:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:21:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 12:21:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:21:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 12:21:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:21:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 12:21:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:21:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:21:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 12:21:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 12:21:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 12:21:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 12:21:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:21:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:21:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 12:21:10,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:21:10,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318659345] [2024-10-14 12:21:10,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318659345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:21:10,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:21:10,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 12:21:10,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733076811] [2024-10-14 12:21:10,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:21:10,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 12:21:10,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:21:10,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 12:21:10,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:21:10,038 INFO L87 Difference]: Start difference. First operand 260 states and 399 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:21:10,177 INFO L93 Difference]: Finished difference Result 385 states and 591 transitions. [2024-10-14 12:21:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 12:21:10,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2024-10-14 12:21:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:21:10,180 INFO L225 Difference]: With dead ends: 385 [2024-10-14 12:21:10,180 INFO L226 Difference]: Without dead ends: 257 [2024-10-14 12:21:10,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-14 12:21:10,181 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 127 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:21:10,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 378 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:21:10,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-14 12:21:10,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2024-10-14 12:21:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 200 states have (on average 1.43) internal successors, (286), 200 states have internal predecessors, (286), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 12:21:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 390 transitions. [2024-10-14 12:21:10,193 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 390 transitions. Word has length 174 [2024-10-14 12:21:10,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:21:10,193 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 390 transitions. [2024-10-14 12:21:10,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 12:21:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 390 transitions. [2024-10-14 12:21:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-14 12:21:10,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:21:10,195 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:21:10,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 12:21:10,195 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:21:10,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:21:10,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1382019593, now seen corresponding path program 1 times [2024-10-14 12:21:10,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:21:10,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137382371] [2024-10-14 12:21:10,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:21:10,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:21:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat