./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-19.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 19e2e876a884367ff58d4d1ec0d3ef70a7d8dd103d1be66ce3d8fde890972c6b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:16:48,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:16:49,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:16:49,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:16:49,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:16:49,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:16:49,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:16:49,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:16:49,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:16:49,061 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:16:49,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:16:49,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:16:49,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:16:49,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:16:49,063 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:16:49,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:16:49,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:16:49,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:16:49,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:16:49,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:16:49,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:16:49,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:16:49,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:16:49,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:16:49,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:16:49,069 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:16:49,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:16:49,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:16:49,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:16:49,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:16:49,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:16:49,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:16:49,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:16:49,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:16:49,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:16:49,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:16:49,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:16:49,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:16:49,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:16:49,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:16:49,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:16:49,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:16:49,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19e2e876a884367ff58d4d1ec0d3ef70a7d8dd103d1be66ce3d8fde890972c6b [2024-11-12 06:16:49,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:16:49,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:16:49,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:16:49,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:16:49,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:16:49,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-19.i [2024-11-12 06:16:50,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:16:50,762 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:16:50,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-19.i [2024-11-12 06:16:50,773 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba27c214/efaf7f93595a4d7c94734b06a5c9926b/FLAG71cefd048 [2024-11-12 06:16:50,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba27c214/efaf7f93595a4d7c94734b06a5c9926b [2024-11-12 06:16:50,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:16:50,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:16:50,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:16:50,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:16:50,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:16:50,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:16:50" (1/1) ... [2024-11-12 06:16:50,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1b7326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:50, skipping insertion in model container [2024-11-12 06:16:50,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:16:50" (1/1) ... [2024-11-12 06:16:50,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:16:50,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-19.i[916,929] [2024-11-12 06:16:51,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:16:51,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:16:51,130 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-19.i[916,929] [2024-11-12 06:16:51,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:16:51,273 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:16:51,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51 WrapperNode [2024-11-12 06:16:51,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:16:51,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:16:51,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:16:51,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:16:51,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,360 INFO L138 Inliner]: procedures = 26, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 377 [2024-11-12 06:16:51,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:16:51,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:16:51,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:16:51,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:16:51,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,388 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,424 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 06:16:51,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:16:51,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:16:51,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:16:51,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:16:51,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (1/1) ... [2024-11-12 06:16:51,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:16:51,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:51,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 06:16:51,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 06:16:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:16:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:16:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:16:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:16:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:16:51,659 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:16:51,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:16:52,281 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-12 06:16:52,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:16:52,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:16:52,302 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:16:52,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:16:52 BoogieIcfgContainer [2024-11-12 06:16:52,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:16:52,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:16:52,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:16:52,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:16:52,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:16:50" (1/3) ... [2024-11-12 06:16:52,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf06c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:16:52, skipping insertion in model container [2024-11-12 06:16:52,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:16:51" (2/3) ... [2024-11-12 06:16:52,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bf06c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:16:52, skipping insertion in model container [2024-11-12 06:16:52,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:16:52" (3/3) ... [2024-11-12 06:16:52,312 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-19.i [2024-11-12 06:16:52,327 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:16:52,327 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:16:52,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:16:52,399 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;@3fb6ce7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:16:52,400 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:16:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 108 states have (on average 1.5185185185185186) internal successors, (164), 109 states have internal predecessors, (164), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 06:16:52,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-12 06:16:52,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:52,425 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:52,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:52,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:52,431 INFO L85 PathProgramCache]: Analyzing trace with hash -997578316, now seen corresponding path program 1 times [2024-11-12 06:16:52,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:52,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183693929] [2024-11-12 06:16:52,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:52,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:16:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:16:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:16:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:16:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:16:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:16:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:52,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:16:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:16:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:16:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:16:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:16:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:16:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:16:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:16:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:16:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:16:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:16:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:16:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:16:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-12 06:16:53,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:53,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183693929] [2024-11-12 06:16:53,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183693929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:53,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:53,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 06:16:53,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615575087] [2024-11-12 06:16:53,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:53,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 06:16:53,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:53,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 06:16:53,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:16:53,125 INFO L87 Difference]: Start difference. First operand has 156 states, 108 states have (on average 1.5185185185185186) internal successors, (164), 109 states have internal predecessors, (164), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-12 06:16:53,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:53,168 INFO L93 Difference]: Finished difference Result 304 states and 545 transitions. [2024-11-12 06:16:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 06:16:53,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 2 states have call successors, (45) Word has length 293 [2024-11-12 06:16:53,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:53,178 INFO L225 Difference]: With dead ends: 304 [2024-11-12 06:16:53,178 INFO L226 Difference]: Without dead ends: 151 [2024-11-12 06:16:53,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 06:16:53,185 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:53,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 06:16:53,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-12 06:16:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-12 06:16:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 104 states have (on average 1.4807692307692308) internal successors, (154), 104 states have internal predecessors, (154), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-12 06:16:53,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 244 transitions. [2024-11-12 06:16:53,240 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 244 transitions. Word has length 293 [2024-11-12 06:16:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:53,241 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 244 transitions. [2024-11-12 06:16:53,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-12 06:16:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 244 transitions. [2024-11-12 06:16:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-12 06:16:53,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:53,248 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:53,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 06:16:53,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:53,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:53,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1133124154, now seen corresponding path program 1 times [2024-11-12 06:16:53,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:53,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958826119] [2024-11-12 06:16:53,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:53,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:16:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:16:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:16:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:16:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:16:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:16:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:16:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:16:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:16:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:16:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:16:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:16:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:16:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:16:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:16:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:16:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:16:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:16:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:16:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-12 06:16:53,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:53,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958826119] [2024-11-12 06:16:53,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958826119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:53,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:53,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:53,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067284401] [2024-11-12 06:16:53,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:53,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:53,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:53,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:53,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:53,718 INFO L87 Difference]: Start difference. First operand 151 states and 244 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:16:53,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:53,813 INFO L93 Difference]: Finished difference Result 368 states and 594 transitions. [2024-11-12 06:16:53,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:53,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 293 [2024-11-12 06:16:53,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:53,817 INFO L225 Difference]: With dead ends: 368 [2024-11-12 06:16:53,818 INFO L226 Difference]: Without dead ends: 220 [2024-11-12 06:16:53,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:53,819 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 100 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:53,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 524 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:53,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-12 06:16:53,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2024-11-12 06:16:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 155 states have (on average 1.4838709677419355) internal successors, (230), 156 states have internal predecessors, (230), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 06:16:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 348 transitions. [2024-11-12 06:16:53,845 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 348 transitions. Word has length 293 [2024-11-12 06:16:53,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:53,846 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 348 transitions. [2024-11-12 06:16:53,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:16:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 348 transitions. [2024-11-12 06:16:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:16:53,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:53,850 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:53,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 06:16:53,850 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:53,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash -638361069, now seen corresponding path program 1 times [2024-11-12 06:16:53,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:53,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128849729] [2024-11-12 06:16:53,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:53,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:16:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:16:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:16:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:16:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:16:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:16:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:16:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:16:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:16:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:16:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:16:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:16:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:16:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:16:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:16:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:16:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:16:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:16:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:16:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-12 06:16:54,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:54,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128849729] [2024-11-12 06:16:54,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128849729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:54,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:54,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:54,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37631735] [2024-11-12 06:16:54,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:54,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:54,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:54,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:54,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:54,188 INFO L87 Difference]: Start difference. First operand 217 states and 348 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:16:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:54,280 INFO L93 Difference]: Finished difference Result 642 states and 1032 transitions. [2024-11-12 06:16:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:54,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 294 [2024-11-12 06:16:54,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:54,290 INFO L225 Difference]: With dead ends: 642 [2024-11-12 06:16:54,293 INFO L226 Difference]: Without dead ends: 428 [2024-11-12 06:16:54,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:54,296 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 224 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:54,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 605 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:54,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-12 06:16:54,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 229. [2024-11-12 06:16:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 167 states have (on average 1.4910179640718564) internal successors, (249), 168 states have internal predecessors, (249), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 06:16:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 367 transitions. [2024-11-12 06:16:54,340 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 367 transitions. Word has length 294 [2024-11-12 06:16:54,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:54,342 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 367 transitions. [2024-11-12 06:16:54,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:16:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 367 transitions. [2024-11-12 06:16:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:16:54,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:54,347 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:54,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 06:16:54,348 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:54,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:54,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1967662485, now seen corresponding path program 1 times [2024-11-12 06:16:54,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:54,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879984790] [2024-11-12 06:16:54,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:54,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:16:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:16:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:16:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:16:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:16:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:16:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:16:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:16:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:16:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:16:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:16:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:16:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:16:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:16:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:16:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:16:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:16:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:16:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:16:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-12 06:16:54,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:54,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879984790] [2024-11-12 06:16:54,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879984790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:16:54,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:16:54,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 06:16:54,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979346270] [2024-11-12 06:16:54,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:16:54,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 06:16:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:54,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 06:16:54,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:54,625 INFO L87 Difference]: Start difference. First operand 229 states and 367 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:16:54,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:54,707 INFO L93 Difference]: Finished difference Result 524 states and 840 transitions. [2024-11-12 06:16:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 06:16:54,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 294 [2024-11-12 06:16:54,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:54,714 INFO L225 Difference]: With dead ends: 524 [2024-11-12 06:16:54,715 INFO L226 Difference]: Without dead ends: 298 [2024-11-12 06:16:54,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 06:16:54,717 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 106 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:54,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 486 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 06:16:54,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-12 06:16:54,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 253. [2024-11-12 06:16:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 191 states have (on average 1.5235602094240839) internal successors, (291), 192 states have internal predecessors, (291), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 06:16:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 409 transitions. [2024-11-12 06:16:54,747 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 409 transitions. Word has length 294 [2024-11-12 06:16:54,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:54,748 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 409 transitions. [2024-11-12 06:16:54,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:16:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 409 transitions. [2024-11-12 06:16:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:16:54,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:54,752 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:54,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 06:16:54,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:54,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:54,752 INFO L85 PathProgramCache]: Analyzing trace with hash -552297449, now seen corresponding path program 1 times [2024-11-12 06:16:54,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:54,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416010136] [2024-11-12 06:16:54,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:54,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:16:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:16:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:16:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:16:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:16:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:16:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:16:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:16:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:16:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:16:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:16:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:16:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:16:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:16:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:16:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:16:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:16:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:16:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:16:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 42 proven. 90 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2024-11-12 06:16:55,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:55,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416010136] [2024-11-12 06:16:55,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416010136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:16:55,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614480573] [2024-11-12 06:16:55,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:55,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:55,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:55,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:16:55,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 06:16:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:56,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 06:16:56,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:16:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1752 proven. 90 refuted. 0 times theorem prover too weak. 2118 trivial. 0 not checked. [2024-11-12 06:16:56,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:16:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 42 proven. 90 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2024-11-12 06:16:56,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614480573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:16:56,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:16:56,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-12 06:16:56,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656833610] [2024-11-12 06:16:56,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:16:56,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 06:16:56,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:16:56,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 06:16:56,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 06:16:56,870 INFO L87 Difference]: Start difference. First operand 253 states and 409 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2024-11-12 06:16:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:16:57,233 INFO L93 Difference]: Finished difference Result 514 states and 818 transitions. [2024-11-12 06:16:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 06:16:57,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 294 [2024-11-12 06:16:57,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:16:57,236 INFO L225 Difference]: With dead ends: 514 [2024-11-12 06:16:57,236 INFO L226 Difference]: Without dead ends: 264 [2024-11-12 06:16:57,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 674 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-12 06:16:57,239 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 110 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:16:57,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 530 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 06:16:57,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-12 06:16:57,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 229. [2024-11-12 06:16:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 166 states have (on average 1.4578313253012047) internal successors, (242), 167 states have internal predecessors, (242), 59 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-12 06:16:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 360 transitions. [2024-11-12 06:16:57,259 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 360 transitions. Word has length 294 [2024-11-12 06:16:57,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:16:57,261 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 360 transitions. [2024-11-12 06:16:57,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2024-11-12 06:16:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 360 transitions. [2024-11-12 06:16:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:16:57,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:16:57,264 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:16:57,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 06:16:57,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:57,466 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:16:57,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:16:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash -369974923, now seen corresponding path program 1 times [2024-11-12 06:16:57,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:16:57,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497133042] [2024-11-12 06:16:57,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:57,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:16:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:16:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:16:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:16:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:16:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:16:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:16:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:16:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:16:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:16:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:16:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:16:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:16:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:16:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:16:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:16:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:16:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:16:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:16:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:16:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:16:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:16:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:16:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:16:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:16:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:16:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:16:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:16:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:16:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:16:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:16:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:16:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:16:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:16:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:16:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:16:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:16:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:16:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:16:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:16:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:16:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:16:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:16:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:16:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:16:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:16:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 81 proven. 51 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2024-11-12 06:16:58,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:16:58,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497133042] [2024-11-12 06:16:58,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497133042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:16:58,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463679232] [2024-11-12 06:16:58,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:16:58,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:16:58,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:16:58,888 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:16:58,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 06:16:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:16:59,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-12 06:16:59,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:17:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1679 proven. 189 refuted. 0 times theorem prover too weak. 2092 trivial. 0 not checked. [2024-11-12 06:17:00,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:17:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 69 proven. 192 refuted. 0 times theorem prover too weak. 3699 trivial. 0 not checked. [2024-11-12 06:17:02,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463679232] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:17:02,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:17:02,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 30 [2024-11-12 06:17:02,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802993776] [2024-11-12 06:17:02,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:17:02,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-12 06:17:02,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:02,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-12 06:17:02,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=735, Unknown=0, NotChecked=0, Total=870 [2024-11-12 06:17:02,037 INFO L87 Difference]: Start difference. First operand 229 states and 360 transitions. Second operand has 30 states, 29 states have (on average 6.344827586206897) internal successors, (184), 29 states have internal predecessors, (184), 10 states have call successors, (135), 4 states have call predecessors, (135), 9 states have return successors, (135), 10 states have call predecessors, (135), 10 states have call successors, (135) [2024-11-12 06:17:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:08,817 INFO L93 Difference]: Finished difference Result 2222 states and 3329 transitions. [2024-11-12 06:17:08,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2024-11-12 06:17:08,818 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.344827586206897) internal successors, (184), 29 states have internal predecessors, (184), 10 states have call successors, (135), 4 states have call predecessors, (135), 9 states have return successors, (135), 10 states have call predecessors, (135), 10 states have call successors, (135) Word has length 294 [2024-11-12 06:17:08,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:08,827 INFO L225 Difference]: With dead ends: 2222 [2024-11-12 06:17:08,827 INFO L226 Difference]: Without dead ends: 1996 [2024-11-12 06:17:08,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 672 SyntacticMatches, 1 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9511 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3792, Invalid=21330, Unknown=0, NotChecked=0, Total=25122 [2024-11-12 06:17:08,834 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 3598 mSDsluCounter, 3907 mSDsCounter, 0 mSdLazyCounter, 3306 mSolverCounterSat, 1152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 4177 SdHoareTripleChecker+Invalid, 4458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 3306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:08,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3622 Valid, 4177 Invalid, 4458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1152 Valid, 3306 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-12 06:17:08,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2024-11-12 06:17:08,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 623. [2024-11-12 06:17:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 466 states have (on average 1.4248927038626609) internal successors, (664), 469 states have internal predecessors, (664), 138 states have call successors, (138), 18 states have call predecessors, (138), 18 states have return successors, (138), 135 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-12 06:17:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 940 transitions. [2024-11-12 06:17:08,900 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 940 transitions. Word has length 294 [2024-11-12 06:17:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:08,900 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 940 transitions. [2024-11-12 06:17:08,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.344827586206897) internal successors, (184), 29 states have internal predecessors, (184), 10 states have call successors, (135), 4 states have call predecessors, (135), 9 states have return successors, (135), 10 states have call predecessors, (135), 10 states have call successors, (135) [2024-11-12 06:17:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 940 transitions. [2024-11-12 06:17:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:17:08,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:08,903 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:08,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 06:17:09,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-12 06:17:09,105 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:09,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash -512380551, now seen corresponding path program 1 times [2024-11-12 06:17:09,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:09,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136846552] [2024-11-12 06:17:09,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:17:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:17:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:17:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:17:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:17:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:17:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:17:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:17:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:17:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:17:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:17:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:17:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:17:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:17:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:17:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:17:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:17:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:17:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:17:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:17:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:09,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:17:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:17:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:17:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:17:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:17:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:17:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:17:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-12 06:17:10,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:10,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136846552] [2024-11-12 06:17:10,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136846552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 06:17:10,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 06:17:10,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 06:17:10,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670281998] [2024-11-12 06:17:10,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:17:10,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 06:17:10,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:10,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 06:17:10,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 06:17:10,031 INFO L87 Difference]: Start difference. First operand 623 states and 940 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:17:10,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:17:10,372 INFO L93 Difference]: Finished difference Result 1605 states and 2446 transitions. [2024-11-12 06:17:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 06:17:10,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 294 [2024-11-12 06:17:10,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:17:10,378 INFO L225 Difference]: With dead ends: 1605 [2024-11-12 06:17:10,378 INFO L226 Difference]: Without dead ends: 1128 [2024-11-12 06:17:10,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-12 06:17:10,384 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 657 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 06:17:10,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 728 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 06:17:10,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-12 06:17:10,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 670. [2024-11-12 06:17:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 513 states have (on average 1.4307992202729045) internal successors, (734), 516 states have internal predecessors, (734), 138 states have call successors, (138), 18 states have call predecessors, (138), 18 states have return successors, (138), 135 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-12 06:17:10,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1010 transitions. [2024-11-12 06:17:10,441 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1010 transitions. Word has length 294 [2024-11-12 06:17:10,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:17:10,442 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 1010 transitions. [2024-11-12 06:17:10,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2024-11-12 06:17:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1010 transitions. [2024-11-12 06:17:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-12 06:17:10,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:17:10,445 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:17:10,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 06:17:10,445 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:17:10,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:17:10,446 INFO L85 PathProgramCache]: Analyzing trace with hash -2098964167, now seen corresponding path program 1 times [2024-11-12 06:17:10,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:17:10,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301518437] [2024-11-12 06:17:10,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:17:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 06:17:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 06:17:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 06:17:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 06:17:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 06:17:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 06:17:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 06:17:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 06:17:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 06:17:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 06:17:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 06:17:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 06:17:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 06:17:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 06:17:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 06:17:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 06:17:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 06:17:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 06:17:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 06:17:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 06:17:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 06:17:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 06:17:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 06:17:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-12 06:17:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 06:17:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 06:17:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 06:17:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-12 06:17:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-12 06:17:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-12 06:17:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-12 06:17:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-12 06:17:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-12 06:17:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-12 06:17:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-12 06:17:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-12 06:17:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-12 06:17:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-12 06:17:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-12 06:17:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 06:17:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-12 06:17:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 06:17:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-12 06:17:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-12 06:17:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-12 06:17:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2024-11-12 06:17:11,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 06:17:11,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301518437] [2024-11-12 06:17:11,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301518437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 06:17:11,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812724268] [2024-11-12 06:17:11,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:17:11,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:17:11,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:17:11,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 06:17:11,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 06:17:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:17:11,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-12 06:17:11,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:17:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 2284 proven. 615 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2024-11-12 06:17:15,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:17:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 177 proven. 570 refuted. 0 times theorem prover too weak. 3213 trivial. 0 not checked. [2024-11-12 06:17:20,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812724268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 06:17:20,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 06:17:20,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 26, 25] total 56 [2024-11-12 06:17:20,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489788649] [2024-11-12 06:17:20,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 06:17:20,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-12 06:17:20,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 06:17:20,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-12 06:17:20,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=665, Invalid=2415, Unknown=0, NotChecked=0, Total=3080 [2024-11-12 06:17:20,725 INFO L87 Difference]: Start difference. First operand 670 states and 1010 transitions. Second operand has 56 states, 53 states have (on average 4.377358490566038) internal successors, (232), 50 states have internal predecessors, (232), 19 states have call successors, (135), 9 states have call predecessors, (135), 19 states have return successors, (135), 19 states have call predecessors, (135), 19 states have call successors, (135)