./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.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 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:11:57,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:11:58,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 11:11:58,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:11:58,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:11:58,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:11:58,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:11:58,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:11:58,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:11:58,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:11:58,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:11:58,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:11:58,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:11:58,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:11:58,108 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:11:58,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:11:58,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:11:58,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:11:58,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 11:11:58,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:11:58,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:11:58,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:11:58,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:11:58,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:11:58,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:11:58,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:11:58,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:11:58,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:11:58,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:11:58,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:11:58,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:11:58,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:11:58,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:11:58,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:11:58,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:11:58,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:11:58,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 11:11:58,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 11:11:58,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:11:58,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:11:58,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:11:58,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:11:58,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 [2024-10-14 11:11:58,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:11:58,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:11:58,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:11:58,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:11:58,402 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:11:58,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-10-14 11:11:59,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:12:00,138 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:12:00,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-10-14 11:12:00,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc7698c3/9584df37af694ed7bd67d91aad408931/FLAG72b20db78 [2024-10-14 11:12:00,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc7698c3/9584df37af694ed7bd67d91aad408931 [2024-10-14 11:12:00,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:12:00,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:12:00,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:12:00,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:12:00,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:12:00,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:00,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a56f043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00, skipping insertion in model container [2024-10-14 11:12:00,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:00,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:12:00,686 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2024-10-14 11:12:00,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:12:00,792 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:12:00,803 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2024-10-14 11:12:00,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:12:00,904 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:12:00,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00 WrapperNode [2024-10-14 11:12:00,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:12:00,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:12:00,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:12:00,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:12:00,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:00,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:00,979 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2024-10-14 11:12:00,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:12:00,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:12:00,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:12:00,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:12:00,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:00,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,002 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,033 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 11:12:01,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:12:01,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:12:01,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:12:01,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:12:01,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (1/1) ... [2024-10-14 11:12:01,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:12:01,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:12:01,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 11:12:01,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 11:12:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:12:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:12:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:12:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 11:12:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:12:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:12:01,296 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:12:01,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:12:01,894 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-14 11:12:01,895 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:12:01,938 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:12:01,938 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:12:01,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:12:01 BoogieIcfgContainer [2024-10-14 11:12:01,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:12:01,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:12:01,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:12:01,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:12:01,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:12:00" (1/3) ... [2024-10-14 11:12:01,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7730215d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:12:01, skipping insertion in model container [2024-10-14 11:12:01,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:00" (2/3) ... [2024-10-14 11:12:01,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7730215d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:12:01, skipping insertion in model container [2024-10-14 11:12:01,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:12:01" (3/3) ... [2024-10-14 11:12:01,948 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-10-14 11:12:01,962 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:12:01,962 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:12:02,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:12:02,053 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;@39a1b5bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:12:02,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:12:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-14 11:12:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 11:12:02,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:02,080 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:02,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:02,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash 105279786, now seen corresponding path program 1 times [2024-10-14 11:12:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:02,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143327041] [2024-10-14 11:12:02,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:02,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:12:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:12:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:12:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:12:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:12:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:12:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 11:12:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 11:12:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 11:12:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 11:12:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 11:12:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:12:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 11:12:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:12:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:12:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 11:12:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:12:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 11:12:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 11:12:02,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:02,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143327041] [2024-10-14 11:12:02,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143327041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:02,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:02,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 11:12:02,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915843812] [2024-10-14 11:12:02,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:02,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 11:12:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:02,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 11:12:02,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:12:02,767 INFO L87 Difference]: Start difference. First operand has 96 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 11:12:02,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:02,825 INFO L93 Difference]: Finished difference Result 191 states and 335 transitions. [2024-10-14 11:12:02,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 11:12:02,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 193 [2024-10-14 11:12:02,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:02,836 INFO L225 Difference]: With dead ends: 191 [2024-10-14 11:12:02,836 INFO L226 Difference]: Without dead ends: 94 [2024-10-14 11:12:02,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:12:02,848 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:02,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:12:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-14 11:12:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-14 11:12:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 62 states have internal predecessors, (88), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-14 11:12:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 148 transitions. [2024-10-14 11:12:02,922 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 148 transitions. Word has length 193 [2024-10-14 11:12:02,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:02,923 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 148 transitions. [2024-10-14 11:12:02,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 11:12:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 148 transitions. [2024-10-14 11:12:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 11:12:02,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:02,931 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:02,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 11:12:02,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:02,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:02,933 INFO L85 PathProgramCache]: Analyzing trace with hash -852292690, now seen corresponding path program 1 times [2024-10-14 11:12:02,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:02,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123041462] [2024-10-14 11:12:02,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:12:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:12:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:12:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:12:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:12:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:12:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 11:12:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 11:12:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 11:12:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 11:12:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 11:12:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:12:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 11:12:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:12:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:12:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 11:12:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:12:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 11:12:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 11:12:03,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:03,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123041462] [2024-10-14 11:12:03,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123041462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:03,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:03,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 11:12:03,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504739372] [2024-10-14 11:12:03,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 11:12:03,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:03,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 11:12:03,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 11:12:03,707 INFO L87 Difference]: Start difference. First operand 94 states and 148 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:03,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:03,803 INFO L93 Difference]: Finished difference Result 280 states and 442 transitions. [2024-10-14 11:12:03,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 11:12:03,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 193 [2024-10-14 11:12:03,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:03,809 INFO L225 Difference]: With dead ends: 280 [2024-10-14 11:12:03,811 INFO L226 Difference]: Without dead ends: 187 [2024-10-14 11:12:03,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 11:12:03,814 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 144 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:03,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 382 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:12:03,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-14 11:12:03,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 95. [2024-10-14 11:12:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 63 states have internal predecessors, (89), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-14 11:12:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 149 transitions. [2024-10-14 11:12:03,833 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 149 transitions. Word has length 193 [2024-10-14 11:12:03,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:03,835 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 149 transitions. [2024-10-14 11:12:03,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2024-10-14 11:12:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 11:12:03,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:03,839 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:03,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 11:12:03,840 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:03,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:03,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2132156368, now seen corresponding path program 1 times [2024-10-14 11:12:03,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:03,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48742312] [2024-10-14 11:12:03,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:03,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:12:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:12:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:12:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:12:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:12:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:12:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 11:12:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 11:12:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 11:12:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 11:12:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 11:12:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:12:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 11:12:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:12:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:12:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 11:12:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:12:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 11:12:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 11:12:04,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:04,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48742312] [2024-10-14 11:12:04,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48742312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:04,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:04,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 11:12:04,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721601683] [2024-10-14 11:12:04,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:04,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 11:12:04,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:04,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 11:12:04,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:04,465 INFO L87 Difference]: Start difference. First operand 95 states and 149 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:04,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:04,800 INFO L93 Difference]: Finished difference Result 307 states and 479 transitions. [2024-10-14 11:12:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 11:12:04,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 193 [2024-10-14 11:12:04,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:04,806 INFO L225 Difference]: With dead ends: 307 [2024-10-14 11:12:04,806 INFO L226 Difference]: Without dead ends: 213 [2024-10-14 11:12:04,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:12:04,808 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 152 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:04,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 565 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:12:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-14 11:12:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 187. [2024-10-14 11:12:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-14 11:12:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 295 transitions. [2024-10-14 11:12:04,848 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 295 transitions. Word has length 193 [2024-10-14 11:12:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:04,849 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 295 transitions. [2024-10-14 11:12:04,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 295 transitions. [2024-10-14 11:12:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 11:12:04,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:04,856 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:04,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 11:12:04,857 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:04,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:04,857 INFO L85 PathProgramCache]: Analyzing trace with hash 357372594, now seen corresponding path program 1 times [2024-10-14 11:12:04,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:04,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201859292] [2024-10-14 11:12:04,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:04,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:12:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:12:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:12:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:12:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:12:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:12:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 11:12:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 11:12:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 11:12:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 11:12:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 11:12:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:12:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 11:12:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:12:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:12:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 11:12:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:12:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 11:12:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 11:12:05,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:05,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201859292] [2024-10-14 11:12:05,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201859292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:05,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:05,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 11:12:05,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938114561] [2024-10-14 11:12:05,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:05,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 11:12:05,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:05,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 11:12:05,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:05,732 INFO L87 Difference]: Start difference. First operand 187 states and 295 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:05,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:05,982 INFO L93 Difference]: Finished difference Result 564 states and 876 transitions. [2024-10-14 11:12:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 11:12:05,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 193 [2024-10-14 11:12:05,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:05,986 INFO L225 Difference]: With dead ends: 564 [2024-10-14 11:12:05,987 INFO L226 Difference]: Without dead ends: 378 [2024-10-14 11:12:05,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:05,989 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 126 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:05,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 495 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:12:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-14 11:12:06,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 311. [2024-10-14 11:12:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 234 states have (on average 1.4658119658119657) internal successors, (343), 236 states have internal predecessors, (343), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-10-14 11:12:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 487 transitions. [2024-10-14 11:12:06,025 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 487 transitions. Word has length 193 [2024-10-14 11:12:06,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:06,026 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 487 transitions. [2024-10-14 11:12:06,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:06,027 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 487 transitions. [2024-10-14 11:12:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 11:12:06,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:06,029 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:06,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 11:12:06,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:06,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:06,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1897732888, now seen corresponding path program 1 times [2024-10-14 11:12:06,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:06,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610072605] [2024-10-14 11:12:06,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:06,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:12:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:12:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:12:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:12:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:12:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:12:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 11:12:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 11:12:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 11:12:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 11:12:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 11:12:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:12:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 11:12:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:12:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:12:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 11:12:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:12:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 11:12:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 11:12:06,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:06,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610072605] [2024-10-14 11:12:06,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610072605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:06,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:06,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 11:12:06,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168709882] [2024-10-14 11:12:06,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:06,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 11:12:06,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:06,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 11:12:06,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 11:12:06,616 INFO L87 Difference]: Start difference. First operand 311 states and 487 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 11:12:06,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:06,929 INFO L93 Difference]: Finished difference Result 787 states and 1233 transitions. [2024-10-14 11:12:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:12:06,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 194 [2024-10-14 11:12:06,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:06,936 INFO L225 Difference]: With dead ends: 787 [2024-10-14 11:12:06,936 INFO L226 Difference]: Without dead ends: 477 [2024-10-14 11:12:06,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:12:06,939 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 115 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:06,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 569 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:12:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-10-14 11:12:06,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 475. [2024-10-14 11:12:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 360 states have (on average 1.4583333333333333) internal successors, (525), 363 states have internal predecessors, (525), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-14 11:12:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 741 transitions. [2024-10-14 11:12:07,013 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 741 transitions. Word has length 194 [2024-10-14 11:12:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:07,016 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 741 transitions. [2024-10-14 11:12:07,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 11:12:07,017 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 741 transitions. [2024-10-14 11:12:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 11:12:07,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:07,019 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:07,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 11:12:07,019 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:07,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:07,020 INFO L85 PathProgramCache]: Analyzing trace with hash 208789146, now seen corresponding path program 1 times [2024-10-14 11:12:07,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:07,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867323116] [2024-10-14 11:12:07,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:07,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:12:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:12:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:12:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:12:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:12:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:12:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 11:12:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 11:12:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 11:12:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 11:12:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 11:12:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:12:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 11:12:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:12:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:12:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 11:12:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:12:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 11:12:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 11:12:07,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:07,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867323116] [2024-10-14 11:12:07,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867323116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:07,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:07,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 11:12:07,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092431962] [2024-10-14 11:12:07,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:07,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:12:07,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:07,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:12:07,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:12:07,625 INFO L87 Difference]: Start difference. First operand 475 states and 741 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:10,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:10,255 INFO L93 Difference]: Finished difference Result 3008 states and 4647 transitions. [2024-10-14 11:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 11:12:10,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 194 [2024-10-14 11:12:10,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:10,272 INFO L225 Difference]: With dead ends: 3008 [2024-10-14 11:12:10,272 INFO L226 Difference]: Without dead ends: 2534 [2024-10-14 11:12:10,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-10-14 11:12:10,277 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 883 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:10,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 1395 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 11:12:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2024-10-14 11:12:10,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2072. [2024-10-14 11:12:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2072 states, 1548 states have (on average 1.4328165374677002) internal successors, (2218), 1568 states have internal predecessors, (2218), 492 states have call successors, (492), 31 states have call predecessors, (492), 31 states have return successors, (492), 472 states have call predecessors, (492), 492 states have call successors, (492) [2024-10-14 11:12:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 2072 states and 3202 transitions. [2024-10-14 11:12:10,602 INFO L78 Accepts]: Start accepts. Automaton has 2072 states and 3202 transitions. Word has length 194 [2024-10-14 11:12:10,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:10,606 INFO L471 AbstractCegarLoop]: Abstraction has 2072 states and 3202 transitions. [2024-10-14 11:12:10,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 11:12:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 3202 transitions. [2024-10-14 11:12:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 11:12:10,610 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:10,610 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:10,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 11:12:10,610 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:10,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:10,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1983796508, now seen corresponding path program 1 times [2024-10-14 11:12:10,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:10,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120344020] [2024-10-14 11:12:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:10,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 11:12:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 11:12:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 11:12:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 11:12:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 11:12:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 11:12:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 11:12:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 11:12:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 11:12:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 11:12:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 11:12:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 11:12:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 11:12:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 11:12:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 11:12:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 11:12:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 11:12:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 11:12:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:16,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 11:12:16,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:16,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120344020] [2024-10-14 11:12:16,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120344020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:16,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:16,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 11:12:16,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97517357] [2024-10-14 11:12:16,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:16,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 11:12:16,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:16,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 11:12:16,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-14 11:12:16,392 INFO L87 Difference]: Start difference. First operand 2072 states and 3202 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-10-14 11:12:18,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:18,301 INFO L93 Difference]: Finished difference Result 5103 states and 7843 transitions. [2024-10-14 11:12:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 11:12:18,302 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 194 [2024-10-14 11:12:18,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:18,320 INFO L225 Difference]: With dead ends: 5103 [2024-10-14 11:12:18,320 INFO L226 Difference]: Without dead ends: 3032 [2024-10-14 11:12:18,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-10-14 11:12:18,328 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 451 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:18,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 927 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 11:12:18,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2024-10-14 11:12:18,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2312. [2024-10-14 11:12:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 1788 states have (on average 1.4429530201342282) internal successors, (2580), 1808 states have internal predecessors, (2580), 492 states have call successors, (492), 31 states have call predecessors, (492), 31 states have return successors, (492), 472 states have call predecessors, (492), 492 states have call successors, (492) [2024-10-14 11:12:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3564 transitions. [2024-10-14 11:12:18,545 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3564 transitions. Word has length 194 [2024-10-14 11:12:18,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:18,546 INFO L471 AbstractCegarLoop]: Abstraction has 2312 states and 3564 transitions. [2024-10-14 11:12:18,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-10-14 11:12:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3564 transitions. [2024-10-14 11:12:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 11:12:18,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:18,550 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:18,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 11:12:18,550 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:18,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:18,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2053005350, now seen corresponding path program 1 times [2024-10-14 11:12:18,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:18,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374233136] [2024-10-14 11:12:18,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:18,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat