./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.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_loopvsstraightlinecode_100-while_file-88.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 0f173a1e127c6e1033e5b4dd17ed93bd9e595663c9235b403a3de8ffd3ad4687 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 05:15:41,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 05:15:41,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 05:15:41,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 05:15:41,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 05:15:41,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 05:15:41,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 05:15:41,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 05:15:41,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 05:15:41,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 05:15:41,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 05:15:41,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 05:15:41,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 05:15:41,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 05:15:41,674 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 05:15:41,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 05:15:41,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 05:15:41,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 05:15:41,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 05:15:41,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 05:15:41,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 05:15:41,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 05:15:41,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 05:15:41,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 05:15:41,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 05:15:41,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 05:15:41,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 05:15:41,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 05:15:41,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 05:15:41,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 05:15:41,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 05:15:41,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 05:15:41,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:15:41,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 05:15:41,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 05:15:41,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 05:15:41,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 05:15:41,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 05:15:41,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 05:15:41,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 05:15:41,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 05:15:41,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 05:15:41,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f173a1e127c6e1033e5b4dd17ed93bd9e595663c9235b403a3de8ffd3ad4687 [2024-11-12 05:15:41,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 05:15:41,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 05:15:41,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 05:15:41,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 05:15:41,914 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 05:15:41,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i [2024-11-12 05:15:43,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 05:15:43,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 05:15:43,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-88.i [2024-11-12 05:15:43,902 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4499a4b1/2d91bb02baa447638cbc2a90e3332840/FLAGa344556c4 [2024-11-12 05:15:43,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4499a4b1/2d91bb02baa447638cbc2a90e3332840 [2024-11-12 05:15:43,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 05:15:43,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 05:15:43,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 05:15:43,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 05:15:43,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 05:15:43,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:15:43" (1/1) ... [2024-11-12 05:15:43,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30eef465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:43, skipping insertion in model container [2024-11-12 05:15:43,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:15:43" (1/1) ... [2024-11-12 05:15:43,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 05:15:44,141 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_loopvsstraightlinecode_100-while_file-88.i[916,929] [2024-11-12 05:15:44,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:15:44,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 05:15:44,280 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_loopvsstraightlinecode_100-while_file-88.i[916,929] [2024-11-12 05:15:44,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:15:44,326 INFO L204 MainTranslator]: Completed translation [2024-11-12 05:15:44,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44 WrapperNode [2024-11-12 05:15:44,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 05:15:44,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 05:15:44,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 05:15:44,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 05:15:44,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,386 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 281 [2024-11-12 05:15:44,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 05:15:44,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 05:15:44,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 05:15:44,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 05:15:44,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,417 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 05:15:44,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 05:15:44,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 05:15:44,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 05:15:44,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 05:15:44,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (1/1) ... [2024-11-12 05:15:44,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:15:44,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:15:44,476 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 05:15:44,479 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 05:15:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 05:15:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 05:15:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 05:15:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 05:15:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 05:15:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 05:15:44,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 05:15:44,623 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 05:15:45,177 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-12 05:15:45,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 05:15:45,194 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 05:15:45,194 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 05:15:45,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:15:45 BoogieIcfgContainer [2024-11-12 05:15:45,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 05:15:45,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 05:15:45,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 05:15:45,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 05:15:45,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:15:43" (1/3) ... [2024-11-12 05:15:45,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1a3c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:15:45, skipping insertion in model container [2024-11-12 05:15:45,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:15:44" (2/3) ... [2024-11-12 05:15:45,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1a3c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:15:45, skipping insertion in model container [2024-11-12 05:15:45,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:15:45" (3/3) ... [2024-11-12 05:15:45,203 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-88.i [2024-11-12 05:15:45,216 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 05:15:45,217 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 05:15:45,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 05:15:45,285 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;@99e95b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 05:15:45,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 05:15:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 86 states have (on average 1.430232558139535) internal successors, (123), 87 states have internal predecessors, (123), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-12 05:15:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-12 05:15:45,302 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:45,302 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:45,303 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:45,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash -98355189, now seen corresponding path program 1 times [2024-11-12 05:15:45,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:45,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542186725] [2024-11-12 05:15:45,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:45,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:45,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:45,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542186725] [2024-11-12 05:15:45,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542186725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:45,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:45,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 05:15:45,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935559769] [2024-11-12 05:15:45,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:45,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 05:15:45,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:45,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 05:15:45,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:15:45,847 INFO L87 Difference]: Start difference. First operand has 117 states, 86 states have (on average 1.430232558139535) internal successors, (123), 87 states have internal predecessors, (123), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 05:15:45,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:45,887 INFO L93 Difference]: Finished difference Result 227 states and 380 transitions. [2024-11-12 05:15:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 05:15:45,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 191 [2024-11-12 05:15:45,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:45,897 INFO L225 Difference]: With dead ends: 227 [2024-11-12 05:15:45,898 INFO L226 Difference]: Without dead ends: 113 [2024-11-12 05:15:45,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 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 05:15:45,909 INFO L435 NwaCegarLoop]: 172 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, 172 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 05:15:45,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:15:45,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-12 05:15:45,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-12 05:15:45,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 83 states have internal predecessors, (116), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-12 05:15:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 172 transitions. [2024-11-12 05:15:45,966 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 172 transitions. Word has length 191 [2024-11-12 05:15:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:45,967 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 172 transitions. [2024-11-12 05:15:45,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 05:15:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 172 transitions. [2024-11-12 05:15:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-12 05:15:45,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:45,972 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:45,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 05:15:45,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:45,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:45,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1603606915, now seen corresponding path program 1 times [2024-11-12 05:15:45,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:45,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255390876] [2024-11-12 05:15:45,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:45,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:46,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255390876] [2024-11-12 05:15:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255390876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:46,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:46,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:15:46,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752680643] [2024-11-12 05:15:46,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:46,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:15:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:46,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:15:46,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:15:46,667 INFO L87 Difference]: Start difference. First operand 113 states and 172 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:46,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:46,866 INFO L93 Difference]: Finished difference Result 373 states and 567 transitions. [2024-11-12 05:15:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:15:46,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 191 [2024-11-12 05:15:46,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:46,872 INFO L225 Difference]: With dead ends: 373 [2024-11-12 05:15:46,874 INFO L226 Difference]: Without dead ends: 263 [2024-11-12 05:15:46,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:15:46,876 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 250 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:46,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 484 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 05:15:46,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-12 05:15:46,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 217. [2024-11-12 05:15:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 158 states have (on average 1.3734177215189873) internal successors, (217), 158 states have internal predecessors, (217), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 05:15:46,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 329 transitions. [2024-11-12 05:15:46,903 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 329 transitions. Word has length 191 [2024-11-12 05:15:46,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:46,904 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 329 transitions. [2024-11-12 05:15:46,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:46,904 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 329 transitions. [2024-11-12 05:15:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-12 05:15:46,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:46,906 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:46,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 05:15:46,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:46,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:46,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1586446966, now seen corresponding path program 1 times [2024-11-12 05:15:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:46,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956190973] [2024-11-12 05:15:46,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:46,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:47,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:47,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956190973] [2024-11-12 05:15:47,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956190973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:47,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:47,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:15:47,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768323344] [2024-11-12 05:15:47,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:47,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:15:47,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:47,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:15:47,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:15:47,275 INFO L87 Difference]: Start difference. First operand 217 states and 329 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 05:15:47,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:47,569 INFO L93 Difference]: Finished difference Result 580 states and 878 transitions. [2024-11-12 05:15:47,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:15:47,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 192 [2024-11-12 05:15:47,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:47,572 INFO L225 Difference]: With dead ends: 580 [2024-11-12 05:15:47,574 INFO L226 Difference]: Without dead ends: 366 [2024-11-12 05:15:47,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:15:47,576 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 255 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:47,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 574 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:15:47,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-12 05:15:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 272. [2024-11-12 05:15:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 184 states have (on average 1.3315217391304348) internal successors, (245), 184 states have internal predecessors, (245), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 05:15:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 413 transitions. [2024-11-12 05:15:47,622 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 413 transitions. Word has length 192 [2024-11-12 05:15:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:47,625 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 413 transitions. [2024-11-12 05:15:47,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 05:15:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 413 transitions. [2024-11-12 05:15:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-12 05:15:47,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:47,628 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:47,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 05:15:47,628 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:47,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2095920056, now seen corresponding path program 1 times [2024-11-12 05:15:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:47,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373726467] [2024-11-12 05:15:47,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:48,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:48,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373726467] [2024-11-12 05:15:48,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373726467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:48,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:48,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 05:15:48,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474758271] [2024-11-12 05:15:48,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:48,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 05:15:48,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:48,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 05:15:48,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:15:48,261 INFO L87 Difference]: Start difference. First operand 272 states and 413 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:48,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:48,556 INFO L93 Difference]: Finished difference Result 580 states and 877 transitions. [2024-11-12 05:15:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:15:48,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 192 [2024-11-12 05:15:48,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:48,560 INFO L225 Difference]: With dead ends: 580 [2024-11-12 05:15:48,560 INFO L226 Difference]: Without dead ends: 366 [2024-11-12 05:15:48,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:15:48,562 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 106 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:48,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 544 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:15:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-12 05:15:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 282. [2024-11-12 05:15:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 194 states have (on average 1.3350515463917525) internal successors, (259), 194 states have internal predecessors, (259), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 05:15:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 427 transitions. [2024-11-12 05:15:48,594 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 427 transitions. Word has length 192 [2024-11-12 05:15:48,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:48,595 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 427 transitions. [2024-11-12 05:15:48,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 427 transitions. [2024-11-12 05:15:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-12 05:15:48,596 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:48,597 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:48,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 05:15:48,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:48,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:48,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1776345414, now seen corresponding path program 1 times [2024-11-12 05:15:48,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:48,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890293322] [2024-11-12 05:15:48,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:49,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:49,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890293322] [2024-11-12 05:15:49,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890293322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:49,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:49,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:15:49,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946980007] [2024-11-12 05:15:49,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:49,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:15:49,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:49,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:15:49,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:15:49,402 INFO L87 Difference]: Start difference. First operand 282 states and 427 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:50,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:50,405 INFO L93 Difference]: Finished difference Result 953 states and 1446 transitions. [2024-11-12 05:15:50,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 05:15:50,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 192 [2024-11-12 05:15:50,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:50,412 INFO L225 Difference]: With dead ends: 953 [2024-11-12 05:15:50,412 INFO L226 Difference]: Without dead ends: 739 [2024-11-12 05:15:50,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:15:50,414 INFO L435 NwaCegarLoop]: 245 mSDtfsCounter, 483 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:50,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 745 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 05:15:50,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-12 05:15:50,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 406. [2024-11-12 05:15:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 289 states have (on average 1.3633217993079585) internal successors, (394), 289 states have internal predecessors, (394), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-12 05:15:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 618 transitions. [2024-11-12 05:15:50,524 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 618 transitions. Word has length 192 [2024-11-12 05:15:50,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:50,524 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 618 transitions. [2024-11-12 05:15:50,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:50,525 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 618 transitions. [2024-11-12 05:15:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-12 05:15:50,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:50,527 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:50,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 05:15:50,527 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:50,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:50,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1238758204, now seen corresponding path program 1 times [2024-11-12 05:15:50,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:50,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954967994] [2024-11-12 05:15:50,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:50,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:50,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:50,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954967994] [2024-11-12 05:15:50,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954967994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:50,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:50,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:15:50,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716409367] [2024-11-12 05:15:50,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:50,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:15:50,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:50,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:15:50,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:15:50,934 INFO L87 Difference]: Start difference. First operand 406 states and 618 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:51,608 INFO L93 Difference]: Finished difference Result 1296 states and 1977 transitions. [2024-11-12 05:15:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:15:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 192 [2024-11-12 05:15:51,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:51,613 INFO L225 Difference]: With dead ends: 1296 [2024-11-12 05:15:51,613 INFO L226 Difference]: Without dead ends: 958 [2024-11-12 05:15:51,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:15:51,616 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 603 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:51,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 727 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 05:15:51,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-12 05:15:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 532. [2024-11-12 05:15:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 386 states have (on average 1.383419689119171) internal successors, (534), 386 states have internal predecessors, (534), 140 states have call successors, (140), 5 states have call predecessors, (140), 5 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-12 05:15:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 814 transitions. [2024-11-12 05:15:51,695 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 814 transitions. Word has length 192 [2024-11-12 05:15:51,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:51,698 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 814 transitions. [2024-11-12 05:15:51,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 814 transitions. [2024-11-12 05:15:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 05:15:51,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:51,699 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:51,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 05:15:51,700 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:51,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash 598736577, now seen corresponding path program 1 times [2024-11-12 05:15:51,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:51,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519084929] [2024-11-12 05:15:51,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:51,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:51,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:51,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519084929] [2024-11-12 05:15:51,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519084929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:51,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:51,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:15:51,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205333105] [2024-11-12 05:15:51,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:51,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:15:51,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:51,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:15:51,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:15:51,982 INFO L87 Difference]: Start difference. First operand 532 states and 814 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:52,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:52,369 INFO L93 Difference]: Finished difference Result 1442 states and 2210 transitions. [2024-11-12 05:15:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:15:52,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 193 [2024-11-12 05:15:52,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:52,376 INFO L225 Difference]: With dead ends: 1442 [2024-11-12 05:15:52,377 INFO L226 Difference]: Without dead ends: 978 [2024-11-12 05:15:52,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:15:52,380 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 166 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:52,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 455 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 05:15:52,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-12 05:15:52,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 976. [2024-11-12 05:15:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 714 states have (on average 1.3753501400560224) internal successors, (982), 714 states have internal predecessors, (982), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-12 05:15:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1486 transitions. [2024-11-12 05:15:52,547 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1486 transitions. Word has length 193 [2024-11-12 05:15:52,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:52,551 INFO L471 AbstractCegarLoop]: Abstraction has 976 states and 1486 transitions. [2024-11-12 05:15:52,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1486 transitions. [2024-11-12 05:15:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-12 05:15:52,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:52,557 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:52,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 05:15:52,561 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:52,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:52,561 INFO L85 PathProgramCache]: Analyzing trace with hash 164625139, now seen corresponding path program 1 times [2024-11-12 05:15:52,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248527304] [2024-11-12 05:15:52,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:52,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:52,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248527304] [2024-11-12 05:15:52,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248527304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:52,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:52,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:15:52,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387661680] [2024-11-12 05:15:52,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:52,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:15:52,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:52,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:15:52,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:15:52,797 INFO L87 Difference]: Start difference. First operand 976 states and 1486 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:53,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:53,157 INFO L93 Difference]: Finished difference Result 1962 states and 2993 transitions. [2024-11-12 05:15:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 05:15:53,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 194 [2024-11-12 05:15:53,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:53,163 INFO L225 Difference]: With dead ends: 1962 [2024-11-12 05:15:53,163 INFO L226 Difference]: Without dead ends: 1056 [2024-11-12 05:15:53,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 05:15:53,166 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 19 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:53,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 293 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 05:15:53,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-12 05:15:53,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 976. [2024-11-12 05:15:53,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 714 states have (on average 1.3697478991596639) internal successors, (978), 714 states have internal predecessors, (978), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-12 05:15:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1482 transitions. [2024-11-12 05:15:53,324 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1482 transitions. Word has length 194 [2024-11-12 05:15:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:53,325 INFO L471 AbstractCegarLoop]: Abstraction has 976 states and 1482 transitions. [2024-11-12 05:15:53,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1482 transitions. [2024-11-12 05:15:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-12 05:15:53,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:53,328 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:53,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 05:15:53,329 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:53,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:53,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1588417456, now seen corresponding path program 1 times [2024-11-12 05:15:53,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:53,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703120032] [2024-11-12 05:15:53,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:53,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:54,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:54,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703120032] [2024-11-12 05:15:54,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703120032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:54,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:54,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:15:54,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551997874] [2024-11-12 05:15:54,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:54,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:15:54,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:54,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:15:54,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:15:54,337 INFO L87 Difference]: Start difference. First operand 976 states and 1482 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:54,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:54,709 INFO L93 Difference]: Finished difference Result 2068 states and 3129 transitions. [2024-11-12 05:15:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 05:15:54,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2024-11-12 05:15:54,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:54,716 INFO L225 Difference]: With dead ends: 2068 [2024-11-12 05:15:54,716 INFO L226 Difference]: Without dead ends: 1162 [2024-11-12 05:15:54,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:15:54,721 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 143 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:54,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 819 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:15:54,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-12 05:15:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1026. [2024-11-12 05:15:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 764 states have (on average 1.3795811518324608) internal successors, (1054), 764 states have internal predecessors, (1054), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-12 05:15:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1558 transitions. [2024-11-12 05:15:54,830 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1558 transitions. Word has length 195 [2024-11-12 05:15:54,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:54,831 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1558 transitions. [2024-11-12 05:15:54,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1558 transitions. [2024-11-12 05:15:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-12 05:15:54,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:54,834 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:54,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 05:15:54,834 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:54,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:54,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1031324183, now seen corresponding path program 1 times [2024-11-12 05:15:54,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:54,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895956598] [2024-11-12 05:15:54,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:54,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:15:55,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:55,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895956598] [2024-11-12 05:15:55,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895956598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:15:55,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:15:55,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:15:55,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232951504] [2024-11-12 05:15:55,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:15:55,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:15:55,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:55,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:15:55,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:15:55,623 INFO L87 Difference]: Start difference. First operand 1026 states and 1558 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:57,749 INFO L93 Difference]: Finished difference Result 2030 states and 3078 transitions. [2024-11-12 05:15:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:15:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2024-11-12 05:15:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:57,761 INFO L225 Difference]: With dead ends: 2030 [2024-11-12 05:15:57,761 INFO L226 Difference]: Without dead ends: 1124 [2024-11-12 05:15:57,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:15:57,764 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 451 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:57,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 898 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 05:15:57,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-12 05:15:57,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1027. [2024-11-12 05:15:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 765 states have (on average 1.3790849673202614) internal successors, (1055), 765 states have internal predecessors, (1055), 252 states have call successors, (252), 9 states have call predecessors, (252), 9 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-12 05:15:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1559 transitions. [2024-11-12 05:15:57,861 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1559 transitions. Word has length 195 [2024-11-12 05:15:57,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:57,862 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1559 transitions. [2024-11-12 05:15:57,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:15:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1559 transitions. [2024-11-12 05:15:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-12 05:15:57,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:57,864 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:57,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 05:15:57,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:57,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:57,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1413542774, now seen corresponding path program 1 times [2024-11-12 05:15:57,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:57,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71702886] [2024-11-12 05:15:57,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:57,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:15:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:15:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:15:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:15:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:15:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:15:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:15:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:15:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:15:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:15:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:15:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:15:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:15:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:15:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:15:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:15:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:15:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:15:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:15:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:15:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:15:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:15:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:15:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:15:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:15:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:15:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:15:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:15:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 3 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-12 05:15:58,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:15:58,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71702886] [2024-11-12 05:15:58,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71702886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:15:58,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819774281] [2024-11-12 05:15:58,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:58,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:15:58,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:15:58,347 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 05:15:58,349 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 05:15:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:15:58,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 05:15:58,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:15:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 283 proven. 3 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2024-11-12 05:15:58,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:15:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 153 proven. 6 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2024-11-12 05:15:59,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819774281] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:15:59,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:15:59,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-12 05:15:59,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048427488] [2024-11-12 05:15:59,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:15:59,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 05:15:59,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:15:59,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 05:15:59,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:15:59,012 INFO L87 Difference]: Start difference. First operand 1027 states and 1559 transitions. Second operand has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 15 states have internal predecessors, (79), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-12 05:15:59,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:15:59,452 INFO L93 Difference]: Finished difference Result 1602 states and 2382 transitions. [2024-11-12 05:15:59,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 05:15:59,453 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 15 states have internal predecessors, (79), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 195 [2024-11-12 05:15:59,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:15:59,458 INFO L225 Difference]: With dead ends: 1602 [2024-11-12 05:15:59,458 INFO L226 Difference]: Without dead ends: 650 [2024-11-12 05:15:59,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 439 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2024-11-12 05:15:59,461 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 488 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:15:59,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 334 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:15:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-12 05:15:59,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 612. [2024-11-12 05:15:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 456 states have (on average 1.337719298245614) internal successors, (610), 456 states have internal predecessors, (610), 140 states have call successors, (140), 15 states have call predecessors, (140), 15 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-12 05:15:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 890 transitions. [2024-11-12 05:15:59,561 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 890 transitions. Word has length 195 [2024-11-12 05:15:59,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:15:59,562 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 890 transitions. [2024-11-12 05:15:59,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.266666666666667) internal successors, (79), 15 states have internal predecessors, (79), 2 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-12 05:15:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 890 transitions. [2024-11-12 05:15:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-12 05:15:59,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:15:59,563 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:59,579 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 05:15:59,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 05:15:59,765 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:15:59,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:15:59,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1689128013, now seen corresponding path program 1 times [2024-11-12 05:15:59,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:15:59,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196020771] [2024-11-12 05:15:59,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:15:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:15:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:16:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:16:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:16:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:16:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:16:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:16:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:16:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:16:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:16:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:16:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:16:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:16:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:16:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:16:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:16:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:16:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:16:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:16:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:16:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:16:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:16:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:16:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:16:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:16:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:16:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:16:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:16:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:16:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:16:00,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:16:00,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196020771] [2024-11-12 05:16:00,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196020771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:16:00,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:16:00,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:16:00,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212174780] [2024-11-12 05:16:00,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:16:00,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:16:00,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:16:00,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:16:00,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:16:00,084 INFO L87 Difference]: Start difference. First operand 612 states and 890 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:16:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:16:00,948 INFO L93 Difference]: Finished difference Result 1444 states and 2095 transitions. [2024-11-12 05:16:00,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 05:16:00,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 196 [2024-11-12 05:16:00,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:16:00,954 INFO L225 Difference]: With dead ends: 1444 [2024-11-12 05:16:00,954 INFO L226 Difference]: Without dead ends: 931 [2024-11-12 05:16:00,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:16:00,957 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 376 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 05:16:00,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 600 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 05:16:00,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-12 05:16:01,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 775. [2024-11-12 05:16:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 588 states have (on average 1.3299319727891157) internal successors, (782), 588 states have internal predecessors, (782), 168 states have call successors, (168), 18 states have call predecessors, (168), 18 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-11-12 05:16:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1118 transitions. [2024-11-12 05:16:01,074 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1118 transitions. Word has length 196 [2024-11-12 05:16:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:16:01,074 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1118 transitions. [2024-11-12 05:16:01,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:16:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1118 transitions. [2024-11-12 05:16:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 05:16:01,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:16:01,076 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:01,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 05:16:01,076 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:16:01,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:16:01,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1587424223, now seen corresponding path program 1 times [2024-11-12 05:16:01,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:16:01,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864894300] [2024-11-12 05:16:01,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:16:01,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:16:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 05:16:01,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1058579775] [2024-11-12 05:16:01,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:16:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:16:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:16:01,173 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 05:16:01,175 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 05:16:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:01,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 05:16:01,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:16:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:16:01,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 05:16:01,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:16:01,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864894300] [2024-11-12 05:16:01,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 05:16:01,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058579775] [2024-11-12 05:16:01,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058579775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:16:01,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:16:01,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:16:01,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976883952] [2024-11-12 05:16:01,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:16:01,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:16:01,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:16:01,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:16:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:16:01,368 INFO L87 Difference]: Start difference. First operand 775 states and 1118 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:16:01,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:16:01,886 INFO L93 Difference]: Finished difference Result 1849 states and 2673 transitions. [2024-11-12 05:16:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:16:01,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-12 05:16:01,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:16:01,892 INFO L225 Difference]: With dead ends: 1849 [2024-11-12 05:16:01,892 INFO L226 Difference]: Without dead ends: 1189 [2024-11-12 05:16:01,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:16:01,902 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 212 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:16:01,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 724 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:16:01,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-11-12 05:16:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1035. [2024-11-12 05:16:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 786 states have (on average 1.3193384223918576) internal successors, (1037), 786 states have internal predecessors, (1037), 224 states have call successors, (224), 24 states have call predecessors, (224), 24 states have return successors, (224), 224 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 05:16:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1485 transitions. [2024-11-12 05:16:02,197 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1485 transitions. Word has length 197 [2024-11-12 05:16:02,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:16:02,198 INFO L471 AbstractCegarLoop]: Abstraction has 1035 states and 1485 transitions. [2024-11-12 05:16:02,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:16:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1485 transitions. [2024-11-12 05:16:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 05:16:02,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:16:02,200 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:02,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 05:16:02,400 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,SelfDestructingSolverStorable12 [2024-11-12 05:16:02,401 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:16:02,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:16:02,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1260422843, now seen corresponding path program 1 times [2024-11-12 05:16:02,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:16:02,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097072919] [2024-11-12 05:16:02,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:16:02,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:16:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:02,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:16:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:02,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-12 05:16:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 05:16:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:02,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 05:16:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:02,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-12 05:16:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-12 05:16:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 05:16:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 05:16:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 05:16:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-12 05:16:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 05:16:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 05:16:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 05:16:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 05:16:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:16:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:16:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:16:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:16:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:16:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:16:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:16:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:16:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:16:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:16:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 05:16:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:16:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 05:16:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:16:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 05:16:03,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:16:03,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097072919] [2024-11-12 05:16:03,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097072919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:16:03,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:16:03,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:16:03,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082653135] [2024-11-12 05:16:03,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:16:03,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:16:03,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:16:03,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:16:03,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:16:03,025 INFO L87 Difference]: Start difference. First operand 1035 states and 1485 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:16:03,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:16:03,790 INFO L93 Difference]: Finished difference Result 2154 states and 3088 transitions. [2024-11-12 05:16:03,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 05:16:03,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 197 [2024-11-12 05:16:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:16:03,798 INFO L225 Difference]: With dead ends: 2154 [2024-11-12 05:16:03,798 INFO L226 Difference]: Without dead ends: 1253 [2024-11-12 05:16:03,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:16:03,801 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 324 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:16:03,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 567 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 05:16:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-12 05:16:03,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1005. [2024-11-12 05:16:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 756 states have (on average 1.310846560846561) internal successors, (991), 756 states have internal predecessors, (991), 224 states have call successors, (224), 24 states have call predecessors, (224), 24 states have return successors, (224), 224 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-12 05:16:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1439 transitions. [2024-11-12 05:16:03,971 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1439 transitions. Word has length 197 [2024-11-12 05:16:03,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:16:03,972 INFO L471 AbstractCegarLoop]: Abstraction has 1005 states and 1439 transitions. [2024-11-12 05:16:03,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 05:16:03,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1439 transitions. [2024-11-12 05:16:03,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 05:16:03,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:16:03,974 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:03,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 05:16:03,974 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:16:03,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:16:03,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1041172107, now seen corresponding path program 1 times [2024-11-12 05:16:03,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:16:03,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252189288] [2024-11-12 05:16:03,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:16:03,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:16:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 05:16:04,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035421424] [2024-11-12 05:16:04,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:16:04,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:16:04,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:16:04,041 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 05:16:04,049 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 05:16:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:16:05,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-12 05:16:05,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:16:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 947 proven. 180 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-12 05:16:09,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:16:45,596 WARN L286 SmtUtils]: Spent 17.18s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 188] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne)