./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 01:16:00,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 01:16:00,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 01:16:00,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 01:16:00,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 01:16:00,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 01:16:00,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 01:16:00,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 01:16:00,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 01:16:00,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 01:16:00,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 01:16:00,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 01:16:00,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 01:16:00,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 01:16:00,795 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 01:16:00,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 01:16:00,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 01:16:00,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 01:16:00,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 01:16:00,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 01:16:00,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 01:16:00,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 01:16:00,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 01:16:00,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 01:16:00,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 01:16:00,800 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 01:16:00,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 01:16:00,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 01:16:00,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 01:16:00,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:16:00,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 01:16:00,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 01:16:00,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 01:16:00,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 01:16:00,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 01:16:00,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 01:16:00,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 01:16:00,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 01:16:00,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 01:16:00,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc2e904f13a7fa14a7dbeef3e8e25f99c977216576e94bddd8177d4452d960d5 [2024-11-10 01:16:00,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 01:16:01,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 01:16:01,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 01:16:01,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 01:16:01,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 01:16:01,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-11-10 01:16:02,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 01:16:02,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 01:16:02,608 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-11-10 01:16:02,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4cb80f/4231e47474c94ab7b51446fe61d301f5/FLAG123892175 [2024-11-10 01:16:02,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4cb80f/4231e47474c94ab7b51446fe61d301f5 [2024-11-10 01:16:02,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 01:16:02,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 01:16:02,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 01:16:02,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 01:16:02,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 01:16:02,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:16:02" (1/1) ... [2024-11-10 01:16:02,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508d45dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:02, skipping insertion in model container [2024-11-10 01:16:02,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:16:02" (1/1) ... [2024-11-10 01:16:02,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 01:16:03,188 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-11-10 01:16:03,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:16:03,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 01:16:03,434 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c[1269,1282] [2024-11-10 01:16:03,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 01:16:03,557 INFO L204 MainTranslator]: Completed translation [2024-11-10 01:16:03,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03 WrapperNode [2024-11-10 01:16:03,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 01:16:03,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 01:16:03,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 01:16:03,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 01:16:03,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:03,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:03,904 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2622 [2024-11-10 01:16:03,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 01:16:03,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 01:16:03,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 01:16:03,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 01:16:03,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:03,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:03,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,041 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 01:16:04,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,106 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 01:16:04,232 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 01:16:04,232 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 01:16:04,232 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 01:16:04,234 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (1/1) ... [2024-11-10 01:16:04,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 01:16:04,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 01:16:04,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 01:16:04,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 01:16:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 01:16:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 01:16:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 01:16:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 01:16:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 01:16:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 01:16:04,544 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 01:16:04,548 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 01:16:06,763 INFO L? ?]: Removed 1452 outVars from TransFormulas that were not future-live. [2024-11-10 01:16:06,763 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 01:16:06,876 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 01:16:06,879 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 01:16:06,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:16:06 BoogieIcfgContainer [2024-11-10 01:16:06,880 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 01:16:06,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 01:16:06,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 01:16:06,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 01:16:06,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:16:02" (1/3) ... [2024-11-10 01:16:06,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aec33c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:16:06, skipping insertion in model container [2024-11-10 01:16:06,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:03" (2/3) ... [2024-11-10 01:16:06,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aec33c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:16:06, skipping insertion in model container [2024-11-10 01:16:06,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 01:16:06" (3/3) ... [2024-11-10 01:16:06,889 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w8_d8_e0.c [2024-11-10 01:16:06,903 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 01:16:06,903 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 01:16:06,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 01:16:06,987 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;@a11c48c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 01:16:06,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 01:16:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 779 states, 769 states have (on average 1.4915474642392719) internal successors, (1147), 770 states have internal predecessors, (1147), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 01:16:07,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:07,025 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:07,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:07,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:07,032 INFO L85 PathProgramCache]: Analyzing trace with hash -912324812, now seen corresponding path program 1 times [2024-11-10 01:16:07,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:07,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449661971] [2024-11-10 01:16:07,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:07,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:07,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:07,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449661971] [2024-11-10 01:16:07,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449661971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:07,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:07,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 01:16:07,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923737657] [2024-11-10 01:16:07,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:07,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 01:16:07,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:07,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 01:16:07,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 01:16:07,595 INFO L87 Difference]: Start difference. First operand has 779 states, 769 states have (on average 1.4915474642392719) internal successors, (1147), 770 states have internal predecessors, (1147), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:07,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:07,887 INFO L93 Difference]: Finished difference Result 1435 states and 2149 transitions. [2024-11-10 01:16:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 01:16:07,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 264 [2024-11-10 01:16:07,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:07,901 INFO L225 Difference]: With dead ends: 1435 [2024-11-10 01:16:07,901 INFO L226 Difference]: Without dead ends: 774 [2024-11-10 01:16:07,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 01:16:07,909 INFO L432 NwaCegarLoop]: 967 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:07,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 967 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 01:16:07,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2024-11-10 01:16:07,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 774. [2024-11-10 01:16:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 765 states have (on average 1.4901960784313726) internal successors, (1140), 765 states have internal predecessors, (1140), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1154 transitions. [2024-11-10 01:16:07,968 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1154 transitions. Word has length 264 [2024-11-10 01:16:07,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:07,969 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1154 transitions. [2024-11-10 01:16:07,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1154 transitions. [2024-11-10 01:16:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 01:16:07,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:07,973 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:07,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 01:16:07,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:07,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:07,974 INFO L85 PathProgramCache]: Analyzing trace with hash -552019205, now seen corresponding path program 1 times [2024-11-10 01:16:07,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:07,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057583273] [2024-11-10 01:16:07,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:07,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:09,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:09,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057583273] [2024-11-10 01:16:09,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057583273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:09,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:09,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:09,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288318410] [2024-11-10 01:16:09,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:09,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:09,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:09,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:09,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:09,064 INFO L87 Difference]: Start difference. First operand 774 states and 1154 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:09,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:09,389 INFO L93 Difference]: Finished difference Result 779 states and 1159 transitions. [2024-11-10 01:16:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:09,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 264 [2024-11-10 01:16:09,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:09,393 INFO L225 Difference]: With dead ends: 779 [2024-11-10 01:16:09,393 INFO L226 Difference]: Without dead ends: 776 [2024-11-10 01:16:09,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:09,397 INFO L432 NwaCegarLoop]: 965 mSDtfsCounter, 0 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:09,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2890 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:09,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-10 01:16:09,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2024-11-10 01:16:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 767 states have (on average 1.4889178617992178) internal successors, (1142), 767 states have internal predecessors, (1142), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1156 transitions. [2024-11-10 01:16:09,420 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1156 transitions. Word has length 264 [2024-11-10 01:16:09,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:09,422 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1156 transitions. [2024-11-10 01:16:09,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1156 transitions. [2024-11-10 01:16:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-10 01:16:09,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:09,425 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:09,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 01:16:09,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:09,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:09,426 INFO L85 PathProgramCache]: Analyzing trace with hash 212327759, now seen corresponding path program 1 times [2024-11-10 01:16:09,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:09,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093824752] [2024-11-10 01:16:09,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:09,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:09,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:09,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093824752] [2024-11-10 01:16:09,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093824752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:09,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:09,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:16:09,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410702797] [2024-11-10 01:16:09,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:09,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:16:09,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:09,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:16:09,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:09,967 INFO L87 Difference]: Start difference. First operand 776 states and 1156 transitions. Second operand has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:10,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:10,844 INFO L93 Difference]: Finished difference Result 1969 states and 2937 transitions. [2024-11-10 01:16:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:16:10,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 265 [2024-11-10 01:16:10,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:10,847 INFO L225 Difference]: With dead ends: 1969 [2024-11-10 01:16:10,848 INFO L226 Difference]: Without dead ends: 776 [2024-11-10 01:16:10,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 01:16:10,850 INFO L432 NwaCegarLoop]: 1043 mSDtfsCounter, 2209 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:10,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2209 Valid, 2821 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 01:16:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-10 01:16:10,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2024-11-10 01:16:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 767 states have (on average 1.4876140808344198) internal successors, (1141), 767 states have internal predecessors, (1141), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1155 transitions. [2024-11-10 01:16:10,865 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1155 transitions. Word has length 265 [2024-11-10 01:16:10,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:10,865 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1155 transitions. [2024-11-10 01:16:10,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.6) internal successors, (233), 5 states have internal predecessors, (233), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1155 transitions. [2024-11-10 01:16:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-10 01:16:10,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:10,868 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:10,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 01:16:10,868 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:10,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:10,869 INFO L85 PathProgramCache]: Analyzing trace with hash -243489880, now seen corresponding path program 1 times [2024-11-10 01:16:10,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:10,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946475674] [2024-11-10 01:16:10,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:10,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:11,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:11,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946475674] [2024-11-10 01:16:11,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946475674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:11,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:11,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:16:11,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412180067] [2024-11-10 01:16:11,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:11,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:16:11,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:11,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:16:11,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:11,504 INFO L87 Difference]: Start difference. First operand 776 states and 1155 transitions. Second operand has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:12,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:12,180 INFO L93 Difference]: Finished difference Result 1434 states and 2134 transitions. [2024-11-10 01:16:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:12,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 266 [2024-11-10 01:16:12,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:12,184 INFO L225 Difference]: With dead ends: 1434 [2024-11-10 01:16:12,184 INFO L226 Difference]: Without dead ends: 776 [2024-11-10 01:16:12,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:12,186 INFO L432 NwaCegarLoop]: 713 mSDtfsCounter, 2052 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:12,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 1428 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 01:16:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-10 01:16:12,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2024-11-10 01:16:12,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 767 states have (on average 1.4863102998696218) internal successors, (1140), 767 states have internal predecessors, (1140), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1154 transitions. [2024-11-10 01:16:12,202 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1154 transitions. Word has length 266 [2024-11-10 01:16:12,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:12,203 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1154 transitions. [2024-11-10 01:16:12,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1154 transitions. [2024-11-10 01:16:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-10 01:16:12,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:12,206 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:12,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 01:16:12,207 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:12,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:12,207 INFO L85 PathProgramCache]: Analyzing trace with hash -2023108560, now seen corresponding path program 1 times [2024-11-10 01:16:12,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:12,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095818226] [2024-11-10 01:16:12,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:12,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:12,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:12,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095818226] [2024-11-10 01:16:12,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095818226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:12,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:12,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:12,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925950313] [2024-11-10 01:16:12,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:12,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:12,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:12,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:12,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:12,716 INFO L87 Difference]: Start difference. First operand 776 states and 1154 transitions. Second operand has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:13,043 INFO L93 Difference]: Finished difference Result 1436 states and 2135 transitions. [2024-11-10 01:16:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:13,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 267 [2024-11-10 01:16:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:13,047 INFO L225 Difference]: With dead ends: 1436 [2024-11-10 01:16:13,047 INFO L226 Difference]: Without dead ends: 778 [2024-11-10 01:16:13,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:13,050 INFO L432 NwaCegarLoop]: 963 mSDtfsCounter, 0 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:13,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2881 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-10 01:16:13,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2024-11-10 01:16:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 769 states have (on average 1.4850455136540963) internal successors, (1142), 769 states have internal predecessors, (1142), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1156 transitions. [2024-11-10 01:16:13,086 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1156 transitions. Word has length 267 [2024-11-10 01:16:13,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:13,087 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1156 transitions. [2024-11-10 01:16:13,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.75) internal successors, (235), 4 states have internal predecessors, (235), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:13,087 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1156 transitions. [2024-11-10 01:16:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-10 01:16:13,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:13,089 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:13,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 01:16:13,090 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:13,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:13,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1455388191, now seen corresponding path program 1 times [2024-11-10 01:16:13,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:13,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243339383] [2024-11-10 01:16:13,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:13,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:13,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:13,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243339383] [2024-11-10 01:16:13,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243339383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:13,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:13,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:13,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476880695] [2024-11-10 01:16:13,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:13,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:13,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:13,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:13,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:13,693 INFO L87 Difference]: Start difference. First operand 778 states and 1156 transitions. Second operand has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:14,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:14,047 INFO L93 Difference]: Finished difference Result 1438 states and 2136 transitions. [2024-11-10 01:16:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:14,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 268 [2024-11-10 01:16:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:14,050 INFO L225 Difference]: With dead ends: 1438 [2024-11-10 01:16:14,050 INFO L226 Difference]: Without dead ends: 778 [2024-11-10 01:16:14,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:14,052 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 991 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:14,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 1844 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-10 01:16:14,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2024-11-10 01:16:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 769 states have (on average 1.482444733420026) internal successors, (1140), 769 states have internal predecessors, (1140), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1154 transitions. [2024-11-10 01:16:14,066 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1154 transitions. Word has length 268 [2024-11-10 01:16:14,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:14,067 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1154 transitions. [2024-11-10 01:16:14,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 states have internal predecessors, (236), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1154 transitions. [2024-11-10 01:16:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-10 01:16:14,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:14,069 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:14,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 01:16:14,070 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:14,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1254846534, now seen corresponding path program 1 times [2024-11-10 01:16:14,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:14,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156866886] [2024-11-10 01:16:14,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:14,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:14,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:14,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156866886] [2024-11-10 01:16:14,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156866886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:14,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:14,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:16:14,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164486542] [2024-11-10 01:16:14,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:14,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:16:14,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:14,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:16:14,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:14,533 INFO L87 Difference]: Start difference. First operand 778 states and 1154 transitions. Second operand has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:14,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:14,890 INFO L93 Difference]: Finished difference Result 1438 states and 2132 transitions. [2024-11-10 01:16:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:14,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 270 [2024-11-10 01:16:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:14,894 INFO L225 Difference]: With dead ends: 1438 [2024-11-10 01:16:14,894 INFO L226 Difference]: Without dead ends: 778 [2024-11-10 01:16:14,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:14,899 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 2113 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:14,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 1844 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-10 01:16:14,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2024-11-10 01:16:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 769 states have (on average 1.481144343302991) internal successors, (1139), 769 states have internal predecessors, (1139), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1153 transitions. [2024-11-10 01:16:14,914 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1153 transitions. Word has length 270 [2024-11-10 01:16:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:14,914 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1153 transitions. [2024-11-10 01:16:14,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.6) internal successors, (238), 5 states have internal predecessors, (238), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1153 transitions. [2024-11-10 01:16:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-10 01:16:14,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:14,917 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:14,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 01:16:14,917 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:14,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:14,917 INFO L85 PathProgramCache]: Analyzing trace with hash -387790251, now seen corresponding path program 1 times [2024-11-10 01:16:14,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:14,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639585233] [2024-11-10 01:16:14,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:14,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:15,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:15,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639585233] [2024-11-10 01:16:15,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639585233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:15,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:15,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:16:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343131047] [2024-11-10 01:16:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:15,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:16:15,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:16:15,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:15,416 INFO L87 Difference]: Start difference. First operand 778 states and 1153 transitions. Second operand has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:15,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:15,746 INFO L93 Difference]: Finished difference Result 1438 states and 2130 transitions. [2024-11-10 01:16:15,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:15,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 271 [2024-11-10 01:16:15,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:15,750 INFO L225 Difference]: With dead ends: 1438 [2024-11-10 01:16:15,750 INFO L226 Difference]: Without dead ends: 778 [2024-11-10 01:16:15,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:15,751 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 1090 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:15,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 1855 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:15,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-10 01:16:15,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2024-11-10 01:16:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 769 states have (on average 1.4798439531859557) internal successors, (1138), 769 states have internal predecessors, (1138), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1152 transitions. [2024-11-10 01:16:15,765 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1152 transitions. Word has length 271 [2024-11-10 01:16:15,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:15,765 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1152 transitions. [2024-11-10 01:16:15,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.8) internal successors, (239), 5 states have internal predecessors, (239), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1152 transitions. [2024-11-10 01:16:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 01:16:15,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:15,768 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:15,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 01:16:15,768 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:15,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2045347766, now seen corresponding path program 1 times [2024-11-10 01:16:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:15,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038861839] [2024-11-10 01:16:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:16,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:16,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038861839] [2024-11-10 01:16:16,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038861839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:16,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:16,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:16:16,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605496112] [2024-11-10 01:16:16,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:16,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:16:16,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:16,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:16:16,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:16,251 INFO L87 Difference]: Start difference. First operand 778 states and 1152 transitions. Second operand has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:16,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:16,597 INFO L93 Difference]: Finished difference Result 1438 states and 2128 transitions. [2024-11-10 01:16:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:16,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 272 [2024-11-10 01:16:16,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:16,601 INFO L225 Difference]: With dead ends: 1438 [2024-11-10 01:16:16,602 INFO L226 Difference]: Without dead ends: 778 [2024-11-10 01:16:16,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:16,603 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 2027 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:16,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 1844 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-10 01:16:16,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2024-11-10 01:16:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 769 states have (on average 1.4785435630689208) internal successors, (1137), 769 states have internal predecessors, (1137), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1151 transitions. [2024-11-10 01:16:16,618 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1151 transitions. Word has length 272 [2024-11-10 01:16:16,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:16,619 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1151 transitions. [2024-11-10 01:16:16,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1151 transitions. [2024-11-10 01:16:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-10 01:16:16,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:16,623 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:16,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 01:16:16,623 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:16,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1912174534, now seen corresponding path program 1 times [2024-11-10 01:16:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:16,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072415953] [2024-11-10 01:16:16,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:17,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:17,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072415953] [2024-11-10 01:16:17,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072415953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:17,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:17,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:17,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443306245] [2024-11-10 01:16:17,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:17,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:17,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:17,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:17,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:17,546 INFO L87 Difference]: Start difference. First operand 778 states and 1151 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:17,860 INFO L93 Difference]: Finished difference Result 1438 states and 2126 transitions. [2024-11-10 01:16:17,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:17,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 273 [2024-11-10 01:16:17,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:17,863 INFO L225 Difference]: With dead ends: 1438 [2024-11-10 01:16:17,863 INFO L226 Difference]: Without dead ends: 778 [2024-11-10 01:16:17,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:17,865 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 944 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 944 SdHoareTripleChecker+Valid, 1844 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:17,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [944 Valid, 1844 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:17,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-10 01:16:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 778. [2024-11-10 01:16:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 778 states, 769 states have (on average 1.4772431729518856) internal successors, (1136), 769 states have internal predecessors, (1136), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 1150 transitions. [2024-11-10 01:16:17,880 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 1150 transitions. Word has length 273 [2024-11-10 01:16:17,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:17,880 INFO L471 AbstractCegarLoop]: Abstraction has 778 states and 1150 transitions. [2024-11-10 01:16:17,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:17,880 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1150 transitions. [2024-11-10 01:16:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-10 01:16:17,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:17,882 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:17,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 01:16:17,882 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:17,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:17,883 INFO L85 PathProgramCache]: Analyzing trace with hash -110464513, now seen corresponding path program 1 times [2024-11-10 01:16:17,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:17,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457102236] [2024-11-10 01:16:17,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:17,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 01:16:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 01:16:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 01:16:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 01:16:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 01:16:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:19,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:19,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457102236] [2024-11-10 01:16:19,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457102236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:19,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:19,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 01:16:19,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511349541] [2024-11-10 01:16:19,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:19,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 01:16:19,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:19,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 01:16:19,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 01:16:19,173 INFO L87 Difference]: Start difference. First operand 778 states and 1150 transitions. Second operand has 10 states, 10 states have (on average 24.2) internal successors, (242), 10 states have internal predecessors, (242), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:20,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:20,265 INFO L93 Difference]: Finished difference Result 1542 states and 2279 transitions. [2024-11-10 01:16:20,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 01:16:20,265 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 24.2) internal successors, (242), 10 states have internal predecessors, (242), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 274 [2024-11-10 01:16:20,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:20,268 INFO L225 Difference]: With dead ends: 1542 [2024-11-10 01:16:20,269 INFO L226 Difference]: Without dead ends: 798 [2024-11-10 01:16:20,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 01:16:20,270 INFO L432 NwaCegarLoop]: 962 mSDtfsCounter, 70 mSDsluCounter, 7433 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 8395 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:20,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 8395 Invalid, 2154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 01:16:20,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-10 01:16:20,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 794. [2024-11-10 01:16:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 785 states have (on average 1.4777070063694266) internal successors, (1160), 785 states have internal predecessors, (1160), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1174 transitions. [2024-11-10 01:16:20,284 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1174 transitions. Word has length 274 [2024-11-10 01:16:20,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:20,285 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1174 transitions. [2024-11-10 01:16:20,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.2) internal successors, (242), 10 states have internal predecessors, (242), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:20,285 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1174 transitions. [2024-11-10 01:16:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-10 01:16:20,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:20,287 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:20,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 01:16:20,288 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:20,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1517764467, now seen corresponding path program 1 times [2024-11-10 01:16:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:20,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356249741] [2024-11-10 01:16:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 01:16:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 01:16:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 01:16:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 01:16:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 01:16:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:21,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:21,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356249741] [2024-11-10 01:16:21,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356249741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:21,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:21,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 01:16:21,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332107263] [2024-11-10 01:16:21,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:21,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 01:16:21,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:21,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 01:16:21,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:16:21,681 INFO L87 Difference]: Start difference. First operand 794 states and 1174 transitions. Second operand has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:22,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:22,230 INFO L93 Difference]: Finished difference Result 1478 states and 2184 transitions. [2024-11-10 01:16:22,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 01:16:22,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 275 [2024-11-10 01:16:22,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:22,233 INFO L225 Difference]: With dead ends: 1478 [2024-11-10 01:16:22,233 INFO L226 Difference]: Without dead ends: 802 [2024-11-10 01:16:22,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 01:16:22,234 INFO L432 NwaCegarLoop]: 938 mSDtfsCounter, 1043 mSDsluCounter, 3709 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 4647 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:22,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 4647 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 01:16:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-11-10 01:16:22,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 799. [2024-11-10 01:16:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 790 states have (on average 1.4759493670886077) internal successors, (1166), 790 states have internal predecessors, (1166), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1180 transitions. [2024-11-10 01:16:22,248 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1180 transitions. Word has length 275 [2024-11-10 01:16:22,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:22,248 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1180 transitions. [2024-11-10 01:16:22,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.714285714285715) internal successors, (243), 7 states have internal predecessors, (243), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1180 transitions. [2024-11-10 01:16:22,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 01:16:22,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:22,249 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:22,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 01:16:22,250 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:22,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash 974624867, now seen corresponding path program 1 times [2024-11-10 01:16:22,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:22,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721690915] [2024-11-10 01:16:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 01:16:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 01:16:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 01:16:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 01:16:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 01:16:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:22,638 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:22,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:22,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721690915] [2024-11-10 01:16:22,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721690915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:22,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:22,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:22,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022577999] [2024-11-10 01:16:22,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:22,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:22,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:22,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:22,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:22,640 INFO L87 Difference]: Start difference. First operand 799 states and 1180 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:22,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:22,959 INFO L93 Difference]: Finished difference Result 1482 states and 2187 transitions. [2024-11-10 01:16:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:22,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 276 [2024-11-10 01:16:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:22,963 INFO L225 Difference]: With dead ends: 1482 [2024-11-10 01:16:22,963 INFO L226 Difference]: Without dead ends: 801 [2024-11-10 01:16:22,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:22,965 INFO L432 NwaCegarLoop]: 957 mSDtfsCounter, 0 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2850 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:22,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2850 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:22,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-11-10 01:16:22,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2024-11-10 01:16:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 792 states have (on average 1.4747474747474747) internal successors, (1168), 792 states have internal predecessors, (1168), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1182 transitions. [2024-11-10 01:16:22,983 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1182 transitions. Word has length 276 [2024-11-10 01:16:22,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:22,984 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1182 transitions. [2024-11-10 01:16:22,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:22,984 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1182 transitions. [2024-11-10 01:16:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 01:16:22,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:22,986 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:22,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 01:16:22,986 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:22,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:22,986 INFO L85 PathProgramCache]: Analyzing trace with hash 954045101, now seen corresponding path program 1 times [2024-11-10 01:16:22,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:22,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689145589] [2024-11-10 01:16:22,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:22,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 01:16:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 01:16:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 01:16:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 01:16:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 01:16:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:23,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:23,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689145589] [2024-11-10 01:16:23,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689145589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:23,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:23,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 01:16:23,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008481858] [2024-11-10 01:16:23,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:23,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 01:16:23,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:23,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 01:16:23,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:23,431 INFO L87 Difference]: Start difference. First operand 801 states and 1182 transitions. Second operand has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:24,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:24,289 INFO L93 Difference]: Finished difference Result 1488 states and 2194 transitions. [2024-11-10 01:16:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:16:24,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 276 [2024-11-10 01:16:24,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:24,293 INFO L225 Difference]: With dead ends: 1488 [2024-11-10 01:16:24,293 INFO L226 Difference]: Without dead ends: 805 [2024-11-10 01:16:24,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:24,294 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 1119 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:24,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 2856 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 01:16:24,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-10 01:16:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 803. [2024-11-10 01:16:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 794 states have (on average 1.473551637279597) internal successors, (1170), 794 states have internal predecessors, (1170), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1184 transitions. [2024-11-10 01:16:24,307 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1184 transitions. Word has length 276 [2024-11-10 01:16:24,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:24,307 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1184 transitions. [2024-11-10 01:16:24,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1184 transitions. [2024-11-10 01:16:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-10 01:16:24,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:24,309 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:24,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 01:16:24,309 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:24,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1078771640, now seen corresponding path program 1 times [2024-11-10 01:16:24,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:24,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5413752] [2024-11-10 01:16:24,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:24,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 01:16:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:25,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 01:16:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:25,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 01:16:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 01:16:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:25,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 01:16:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:25,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5413752] [2024-11-10 01:16:25,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5413752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:25,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:25,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:25,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202002458] [2024-11-10 01:16:25,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:25,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:25,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:25,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:25,016 INFO L87 Difference]: Start difference. First operand 803 states and 1184 transitions. Second operand has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:25,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:25,552 INFO L93 Difference]: Finished difference Result 1488 states and 2192 transitions. [2024-11-10 01:16:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:25,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 277 [2024-11-10 01:16:25,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:25,555 INFO L225 Difference]: With dead ends: 1488 [2024-11-10 01:16:25,555 INFO L226 Difference]: Without dead ends: 803 [2024-11-10 01:16:25,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:25,556 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 1076 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:25,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1430 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 01:16:25,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-10 01:16:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2024-11-10 01:16:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 794 states have (on average 1.4722921914357683) internal successors, (1169), 794 states have internal predecessors, (1169), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 01:16:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1183 transitions. [2024-11-10 01:16:25,567 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1183 transitions. Word has length 277 [2024-11-10 01:16:25,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:25,567 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1183 transitions. [2024-11-10 01:16:25,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1183 transitions. [2024-11-10 01:16:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 01:16:25,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:25,569 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:25,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 01:16:25,569 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:25,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:25,570 INFO L85 PathProgramCache]: Analyzing trace with hash 53506728, now seen corresponding path program 1 times [2024-11-10 01:16:25,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:25,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911824803] [2024-11-10 01:16:25,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 01:16:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 01:16:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 01:16:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 01:16:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 01:16:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:26,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:26,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911824803] [2024-11-10 01:16:26,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911824803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:26,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:26,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 01:16:26,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728393602] [2024-11-10 01:16:26,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:26,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 01:16:26,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:26,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 01:16:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:26,348 INFO L87 Difference]: Start difference. First operand 803 states and 1183 transitions. Second operand has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:27,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:27,078 INFO L93 Difference]: Finished difference Result 2251 states and 3311 transitions. [2024-11-10 01:16:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:16:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 278 [2024-11-10 01:16:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:27,082 INFO L225 Difference]: With dead ends: 2251 [2024-11-10 01:16:27,082 INFO L226 Difference]: Without dead ends: 1457 [2024-11-10 01:16:27,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 01:16:27,084 INFO L432 NwaCegarLoop]: 981 mSDtfsCounter, 1109 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 4614 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:27,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 4614 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 01:16:27,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-10 01:16:27,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 862. [2024-11-10 01:16:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 851 states have (on average 1.4712103407755581) internal successors, (1252), 851 states have internal predecessors, (1252), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 01:16:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1270 transitions. [2024-11-10 01:16:27,101 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1270 transitions. Word has length 278 [2024-11-10 01:16:27,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:27,101 INFO L471 AbstractCegarLoop]: Abstraction has 862 states and 1270 transitions. [2024-11-10 01:16:27,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1270 transitions. [2024-11-10 01:16:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 01:16:27,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:27,103 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:27,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 01:16:27,104 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:27,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:27,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1731406817, now seen corresponding path program 1 times [2024-11-10 01:16:27,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:27,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852215904] [2024-11-10 01:16:27,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:27,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 01:16:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 01:16:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 01:16:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 01:16:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 01:16:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:27,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:27,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852215904] [2024-11-10 01:16:27,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852215904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:27,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:27,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:27,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609959292] [2024-11-10 01:16:27,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:27,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:27,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:27,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:27,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:27,687 INFO L87 Difference]: Start difference. First operand 862 states and 1270 transitions. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:27,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:27,919 INFO L93 Difference]: Finished difference Result 1545 states and 2275 transitions. [2024-11-10 01:16:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:27,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 278 [2024-11-10 01:16:27,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:27,923 INFO L225 Difference]: With dead ends: 1545 [2024-11-10 01:16:27,923 INFO L226 Difference]: Without dead ends: 860 [2024-11-10 01:16:27,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:27,924 INFO L432 NwaCegarLoop]: 940 mSDtfsCounter, 1028 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:27,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1889 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 01:16:27,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2024-11-10 01:16:27,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 860. [2024-11-10 01:16:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 849 states have (on average 1.4711425206124853) internal successors, (1249), 849 states have internal predecessors, (1249), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 01:16:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1267 transitions. [2024-11-10 01:16:27,941 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1267 transitions. Word has length 278 [2024-11-10 01:16:27,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:27,941 INFO L471 AbstractCegarLoop]: Abstraction has 860 states and 1267 transitions. [2024-11-10 01:16:27,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1267 transitions. [2024-11-10 01:16:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-10 01:16:27,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:27,943 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:27,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 01:16:27,943 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:27,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:27,943 INFO L85 PathProgramCache]: Analyzing trace with hash 526618212, now seen corresponding path program 1 times [2024-11-10 01:16:27,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:27,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246597483] [2024-11-10 01:16:27,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:27,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 01:16:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 01:16:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 01:16:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 01:16:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 01:16:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:28,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:28,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246597483] [2024-11-10 01:16:28,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246597483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:28,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:28,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 01:16:28,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647294216] [2024-11-10 01:16:28,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:28,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 01:16:28,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:28,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 01:16:28,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:28,854 INFO L87 Difference]: Start difference. First operand 860 states and 1267 transitions. Second operand has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:29,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:29,947 INFO L93 Difference]: Finished difference Result 2136 states and 3143 transitions. [2024-11-10 01:16:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:16:29,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 278 [2024-11-10 01:16:29,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:29,952 INFO L225 Difference]: With dead ends: 2136 [2024-11-10 01:16:29,952 INFO L226 Difference]: Without dead ends: 1453 [2024-11-10 01:16:29,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:16:29,954 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 1980 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:29,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 2840 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 01:16:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-10 01:16:29,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 861. [2024-11-10 01:16:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 850 states have (on average 1.4705882352941178) internal successors, (1250), 850 states have internal predecessors, (1250), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 01:16:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1268 transitions. [2024-11-10 01:16:29,972 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1268 transitions. Word has length 278 [2024-11-10 01:16:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:29,972 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1268 transitions. [2024-11-10 01:16:29,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1268 transitions. [2024-11-10 01:16:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-10 01:16:29,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:29,975 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:29,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 01:16:29,975 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:29,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:29,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1564399047, now seen corresponding path program 1 times [2024-11-10 01:16:29,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:29,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582154235] [2024-11-10 01:16:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:29,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 01:16:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 01:16:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 01:16:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 01:16:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 01:16:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:31,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:31,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582154235] [2024-11-10 01:16:31,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582154235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:31,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:31,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 01:16:31,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796639262] [2024-11-10 01:16:31,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:31,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 01:16:31,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:31,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 01:16:31,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 01:16:31,150 INFO L87 Difference]: Start difference. First operand 861 states and 1268 transitions. Second operand has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:32,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:32,762 INFO L93 Difference]: Finished difference Result 2459 states and 3617 transitions. [2024-11-10 01:16:32,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 01:16:32,764 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 279 [2024-11-10 01:16:32,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:32,769 INFO L225 Difference]: With dead ends: 2459 [2024-11-10 01:16:32,769 INFO L226 Difference]: Without dead ends: 1776 [2024-11-10 01:16:32,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-10 01:16:32,770 INFO L432 NwaCegarLoop]: 795 mSDtfsCounter, 2948 mSDsluCounter, 5567 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2963 SdHoareTripleChecker+Valid, 6362 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:32,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2963 Valid, 6362 Invalid, 3414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 01:16:32,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2024-11-10 01:16:32,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1190. [2024-11-10 01:16:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 1166 states have (on average 1.4639794168096054) internal successors, (1707), 1166 states have internal predecessors, (1707), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 01:16:32,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1751 transitions. [2024-11-10 01:16:32,791 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1751 transitions. Word has length 279 [2024-11-10 01:16:32,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:32,791 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1751 transitions. [2024-11-10 01:16:32,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:32,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1751 transitions. [2024-11-10 01:16:32,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-10 01:16:32,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:32,793 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:32,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 01:16:32,794 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:32,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:32,794 INFO L85 PathProgramCache]: Analyzing trace with hash 5704730, now seen corresponding path program 1 times [2024-11-10 01:16:32,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:32,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281254435] [2024-11-10 01:16:32,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:32,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 01:16:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 01:16:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 01:16:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 01:16:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 01:16:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-10 01:16:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:33,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:33,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281254435] [2024-11-10 01:16:33,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281254435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:33,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:33,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 01:16:33,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527964075] [2024-11-10 01:16:33,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:33,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 01:16:33,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:33,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 01:16:33,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:16:33,597 INFO L87 Difference]: Start difference. First operand 1190 states and 1751 transitions. Second operand has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:34,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:34,299 INFO L93 Difference]: Finished difference Result 2352 states and 3447 transitions. [2024-11-10 01:16:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 01:16:34,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 280 [2024-11-10 01:16:34,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:34,304 INFO L225 Difference]: With dead ends: 2352 [2024-11-10 01:16:34,304 INFO L226 Difference]: Without dead ends: 1208 [2024-11-10 01:16:34,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-10 01:16:34,306 INFO L432 NwaCegarLoop]: 1035 mSDtfsCounter, 1189 mSDsluCounter, 3821 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 4856 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:34,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 4856 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 01:16:34,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2024-11-10 01:16:34,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1198. [2024-11-10 01:16:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1174 states have (on average 1.4565587734241907) internal successors, (1710), 1174 states have internal predecessors, (1710), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 01:16:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1754 transitions. [2024-11-10 01:16:34,324 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1754 transitions. Word has length 280 [2024-11-10 01:16:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:34,324 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 1754 transitions. [2024-11-10 01:16:34,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1754 transitions. [2024-11-10 01:16:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-10 01:16:34,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:34,326 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:34,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 01:16:34,327 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:34,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:34,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2120310214, now seen corresponding path program 1 times [2024-11-10 01:16:34,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:34,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921942787] [2024-11-10 01:16:34,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:34,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-10 01:16:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 01:16:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 01:16:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 01:16:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 01:16:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 01:16:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:35,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:35,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921942787] [2024-11-10 01:16:35,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921942787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:35,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:35,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 01:16:35,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733722039] [2024-11-10 01:16:35,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:35,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 01:16:35,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:35,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 01:16:35,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:35,163 INFO L87 Difference]: Start difference. First operand 1198 states and 1754 transitions. Second operand has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:35,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:35,992 INFO L93 Difference]: Finished difference Result 2009 states and 2941 transitions. [2024-11-10 01:16:35,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:16:35,993 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 281 [2024-11-10 01:16:35,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:35,997 INFO L225 Difference]: With dead ends: 2009 [2024-11-10 01:16:35,997 INFO L226 Difference]: Without dead ends: 1206 [2024-11-10 01:16:35,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 01:16:35,999 INFO L432 NwaCegarLoop]: 701 mSDtfsCounter, 1058 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:36,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 2789 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 01:16:36,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2024-11-10 01:16:36,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1202. [2024-11-10 01:16:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 1178 states have (on average 1.4550084889643464) internal successors, (1714), 1178 states have internal predecessors, (1714), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 01:16:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1758 transitions. [2024-11-10 01:16:36,027 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1758 transitions. Word has length 281 [2024-11-10 01:16:36,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:36,028 INFO L471 AbstractCegarLoop]: Abstraction has 1202 states and 1758 transitions. [2024-11-10 01:16:36,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:36,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1758 transitions. [2024-11-10 01:16:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-10 01:16:36,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:36,031 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:36,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 01:16:36,032 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:36,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:36,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1572177618, now seen corresponding path program 1 times [2024-11-10 01:16:36,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:36,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892853638] [2024-11-10 01:16:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:36,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:16:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:16:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:16:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 01:16:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-10 01:16:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 01:16:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:37,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:37,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892853638] [2024-11-10 01:16:37,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892853638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:37,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:37,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 01:16:37,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908013373] [2024-11-10 01:16:37,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:37,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 01:16:37,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:37,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 01:16:37,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 01:16:37,296 INFO L87 Difference]: Start difference. First operand 1202 states and 1758 transitions. Second operand has 11 states, 11 states have (on average 22.727272727272727) internal successors, (250), 11 states have internal predecessors, (250), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:38,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:38,657 INFO L93 Difference]: Finished difference Result 3210 states and 4688 transitions. [2024-11-10 01:16:38,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 01:16:38,658 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.727272727272727) internal successors, (250), 11 states have internal predecessors, (250), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 282 [2024-11-10 01:16:38,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:38,665 INFO L225 Difference]: With dead ends: 3210 [2024-11-10 01:16:38,665 INFO L226 Difference]: Without dead ends: 2511 [2024-11-10 01:16:38,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-10 01:16:38,667 INFO L432 NwaCegarLoop]: 788 mSDtfsCounter, 3845 mSDsluCounter, 5478 mSDsCounter, 0 mSdLazyCounter, 3354 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3861 SdHoareTripleChecker+Valid, 6266 SdHoareTripleChecker+Invalid, 3380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:38,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3861 Valid, 6266 Invalid, 3380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3354 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 01:16:38,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2024-11-10 01:16:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 1818. [2024-11-10 01:16:38,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1818 states, 1772 states have (on average 1.445823927765237) internal successors, (2562), 1772 states have internal predecessors, (2562), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 01:16:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1818 states and 2650 transitions. [2024-11-10 01:16:38,700 INFO L78 Accepts]: Start accepts. Automaton has 1818 states and 2650 transitions. Word has length 282 [2024-11-10 01:16:38,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:38,701 INFO L471 AbstractCegarLoop]: Abstraction has 1818 states and 2650 transitions. [2024-11-10 01:16:38,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.727272727272727) internal successors, (250), 11 states have internal predecessors, (250), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2650 transitions. [2024-11-10 01:16:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-10 01:16:38,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:38,707 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:38,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 01:16:38,707 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:38,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:38,708 INFO L85 PathProgramCache]: Analyzing trace with hash 479628329, now seen corresponding path program 1 times [2024-11-10 01:16:38,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:38,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473064782] [2024-11-10 01:16:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 01:16:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 01:16:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 01:16:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 01:16:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:16:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 01:16:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 01:16:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:39,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:39,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473064782] [2024-11-10 01:16:39,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473064782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:39,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:39,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 01:16:39,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824854353] [2024-11-10 01:16:39,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:39,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 01:16:39,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:39,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 01:16:39,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:16:39,394 INFO L87 Difference]: Start difference. First operand 1818 states and 2650 transitions. Second operand has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:40,782 INFO L93 Difference]: Finished difference Result 4624 states and 6729 transitions. [2024-11-10 01:16:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 01:16:40,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 282 [2024-11-10 01:16:40,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:40,790 INFO L225 Difference]: With dead ends: 4624 [2024-11-10 01:16:40,790 INFO L226 Difference]: Without dead ends: 2789 [2024-11-10 01:16:40,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 01:16:40,793 INFO L432 NwaCegarLoop]: 1838 mSDtfsCounter, 1086 mSDsluCounter, 7866 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 9704 SdHoareTripleChecker+Invalid, 2590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:40,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1091 Valid, 9704 Invalid, 2590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 01:16:40,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2024-11-10 01:16:40,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 1472. [2024-11-10 01:16:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1439 states have (on average 1.4454482279360668) internal successors, (2080), 1439 states have internal predecessors, (2080), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 01:16:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 2142 transitions. [2024-11-10 01:16:40,827 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 2142 transitions. Word has length 282 [2024-11-10 01:16:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:40,827 INFO L471 AbstractCegarLoop]: Abstraction has 1472 states and 2142 transitions. [2024-11-10 01:16:40,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2142 transitions. [2024-11-10 01:16:40,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-11-10 01:16:40,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:40,832 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:40,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 01:16:40,832 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:40,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:40,833 INFO L85 PathProgramCache]: Analyzing trace with hash -414718166, now seen corresponding path program 1 times [2024-11-10 01:16:40,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:40,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255481436] [2024-11-10 01:16:40,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:40,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:16:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:16:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:16:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 01:16:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 01:16:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 01:16:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:41,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:41,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255481436] [2024-11-10 01:16:41,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255481436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:41,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:41,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:16:41,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661814754] [2024-11-10 01:16:41,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:41,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:16:41,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:41,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:16:41,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:41,639 INFO L87 Difference]: Start difference. First operand 1472 states and 2142 transitions. Second operand has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:41,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:41,974 INFO L93 Difference]: Finished difference Result 2310 states and 3366 transitions. [2024-11-10 01:16:41,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 01:16:41,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 283 [2024-11-10 01:16:41,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:41,980 INFO L225 Difference]: With dead ends: 2310 [2024-11-10 01:16:41,980 INFO L226 Difference]: Without dead ends: 1640 [2024-11-10 01:16:41,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:41,981 INFO L432 NwaCegarLoop]: 950 mSDtfsCounter, 148 mSDsluCounter, 2842 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 3792 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:41,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 3792 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:16:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2024-11-10 01:16:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1638. [2024-11-10 01:16:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1638 states, 1605 states have (on average 1.4448598130841122) internal successors, (2319), 1605 states have internal predecessors, (2319), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 01:16:42,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2381 transitions. [2024-11-10 01:16:42,003 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2381 transitions. Word has length 283 [2024-11-10 01:16:42,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:42,003 INFO L471 AbstractCegarLoop]: Abstraction has 1638 states and 2381 transitions. [2024-11-10 01:16:42,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2381 transitions. [2024-11-10 01:16:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-10 01:16:42,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:42,006 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:42,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 01:16:42,007 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:42,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:42,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1561665312, now seen corresponding path program 1 times [2024-11-10 01:16:42,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:42,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374729518] [2024-11-10 01:16:42,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:42,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:16:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:16:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:16:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 01:16:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 01:16:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 01:16:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:43,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:43,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374729518] [2024-11-10 01:16:43,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374729518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:43,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:43,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 01:16:43,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942488147] [2024-11-10 01:16:43,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:43,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 01:16:43,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:43,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 01:16:43,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 01:16:43,116 INFO L87 Difference]: Start difference. First operand 1638 states and 2381 transitions. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:43,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:43,821 INFO L93 Difference]: Finished difference Result 3878 states and 5654 transitions. [2024-11-10 01:16:43,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 01:16:43,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 284 [2024-11-10 01:16:43,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:43,827 INFO L225 Difference]: With dead ends: 3878 [2024-11-10 01:16:43,827 INFO L226 Difference]: Without dead ends: 3037 [2024-11-10 01:16:43,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 01:16:43,829 INFO L432 NwaCegarLoop]: 1549 mSDtfsCounter, 3627 mSDsluCounter, 6112 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 7661 SdHoareTripleChecker+Invalid, 1695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:43,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 7661 Invalid, 1695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 01:16:43,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2024-11-10 01:16:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 1705. [2024-11-10 01:16:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1667 states have (on average 1.4427114577084583) internal successors, (2405), 1667 states have internal predecessors, (2405), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 01:16:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2477 transitions. [2024-11-10 01:16:43,856 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2477 transitions. Word has length 284 [2024-11-10 01:16:43,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:43,856 INFO L471 AbstractCegarLoop]: Abstraction has 1705 states and 2477 transitions. [2024-11-10 01:16:43,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2477 transitions. [2024-11-10 01:16:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-10 01:16:43,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:43,859 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:43,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 01:16:43,860 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:43,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:43,860 INFO L85 PathProgramCache]: Analyzing trace with hash 352959651, now seen corresponding path program 1 times [2024-11-10 01:16:43,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:43,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066794420] [2024-11-10 01:16:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:43,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:16:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:16:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:16:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 01:16:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 01:16:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 01:16:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:44,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:44,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066794420] [2024-11-10 01:16:44,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066794420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:44,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:44,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:16:44,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706569087] [2024-11-10 01:16:44,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:44,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:16:44,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:44,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:16:44,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:44,881 INFO L87 Difference]: Start difference. First operand 1705 states and 2477 transitions. Second operand has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:45,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:45,443 INFO L93 Difference]: Finished difference Result 2549 states and 3709 transitions. [2024-11-10 01:16:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 01:16:45,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 284 [2024-11-10 01:16:45,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:45,447 INFO L225 Difference]: With dead ends: 2549 [2024-11-10 01:16:45,447 INFO L226 Difference]: Without dead ends: 1713 [2024-11-10 01:16:45,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:16:45,449 INFO L432 NwaCegarLoop]: 718 mSDtfsCounter, 1015 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 2133 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:45,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 2133 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 01:16:45,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-11-10 01:16:45,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1709. [2024-11-10 01:16:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1709 states, 1671 states have (on average 1.4416517055655296) internal successors, (2409), 1671 states have internal predecessors, (2409), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 01:16:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2481 transitions. [2024-11-10 01:16:45,473 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2481 transitions. Word has length 284 [2024-11-10 01:16:45,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:45,473 INFO L471 AbstractCegarLoop]: Abstraction has 1709 states and 2481 transitions. [2024-11-10 01:16:45,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2481 transitions. [2024-11-10 01:16:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-11-10 01:16:45,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:45,476 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:45,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 01:16:45,477 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:45,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:45,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1230811545, now seen corresponding path program 1 times [2024-11-10 01:16:45,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:45,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30191584] [2024-11-10 01:16:45,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:45,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:16:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:16:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:16:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 01:16:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 01:16:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 01:16:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:46,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:46,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30191584] [2024-11-10 01:16:46,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30191584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:46,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:46,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 01:16:46,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157696080] [2024-11-10 01:16:46,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:46,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 01:16:46,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:46,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 01:16:46,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:16:46,310 INFO L87 Difference]: Start difference. First operand 1709 states and 2481 transitions. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:47,092 INFO L93 Difference]: Finished difference Result 2669 states and 3883 transitions. [2024-11-10 01:16:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:16:47,093 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 285 [2024-11-10 01:16:47,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:47,096 INFO L225 Difference]: With dead ends: 2669 [2024-11-10 01:16:47,096 INFO L226 Difference]: Without dead ends: 1733 [2024-11-10 01:16:47,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 01:16:47,097 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 2118 mSDsluCounter, 2085 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:47,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2122 Valid, 2785 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 01:16:47,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2024-11-10 01:16:47,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1721. [2024-11-10 01:16:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1721 states, 1683 states have (on average 1.4349376114081998) internal successors, (2415), 1683 states have internal predecessors, (2415), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 01:16:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2487 transitions. [2024-11-10 01:16:47,142 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2487 transitions. Word has length 285 [2024-11-10 01:16:47,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:47,143 INFO L471 AbstractCegarLoop]: Abstraction has 1721 states and 2487 transitions. [2024-11-10 01:16:47,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 01:16:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2487 transitions. [2024-11-10 01:16:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-10 01:16:47,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:47,146 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:47,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 01:16:47,146 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:47,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:47,147 INFO L85 PathProgramCache]: Analyzing trace with hash 971575698, now seen corresponding path program 1 times [2024-11-10 01:16:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:47,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122723019] [2024-11-10 01:16:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:47,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:16:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:16:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:16:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:16:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:16:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 01:16:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:47,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:47,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122723019] [2024-11-10 01:16:47,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122723019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:47,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:47,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:16:47,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890808716] [2024-11-10 01:16:47,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:47,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:16:47,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:47,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:16:47,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:47,741 INFO L87 Difference]: Start difference. First operand 1721 states and 2487 transitions. Second operand has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:48,194 INFO L93 Difference]: Finished difference Result 2563 states and 3712 transitions. [2024-11-10 01:16:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:16:48,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 286 [2024-11-10 01:16:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:48,198 INFO L225 Difference]: With dead ends: 2563 [2024-11-10 01:16:48,198 INFO L226 Difference]: Without dead ends: 1721 [2024-11-10 01:16:48,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:16:48,199 INFO L432 NwaCegarLoop]: 718 mSDtfsCounter, 1008 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:48,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 1424 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 01:16:48,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2024-11-10 01:16:48,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1717. [2024-11-10 01:16:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1679 states have (on average 1.434782608695652) internal successors, (2409), 1679 states have internal predecessors, (2409), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 01:16:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2481 transitions. [2024-11-10 01:16:48,234 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2481 transitions. Word has length 286 [2024-11-10 01:16:48,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:48,235 INFO L471 AbstractCegarLoop]: Abstraction has 1717 states and 2481 transitions. [2024-11-10 01:16:48,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 01:16:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2481 transitions. [2024-11-10 01:16:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-10 01:16:48,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:48,238 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:48,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 01:16:48,238 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:48,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:48,239 INFO L85 PathProgramCache]: Analyzing trace with hash 97297069, now seen corresponding path program 1 times [2024-11-10 01:16:48,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:48,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508989249] [2024-11-10 01:16:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:16:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:16:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:16:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:16:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:16:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:16:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 01:16:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:49,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:49,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508989249] [2024-11-10 01:16:49,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508989249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:49,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:49,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 01:16:49,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4768333] [2024-11-10 01:16:49,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:49,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 01:16:49,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:49,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 01:16:49,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-10 01:16:49,312 INFO L87 Difference]: Start difference. First operand 1717 states and 2481 transitions. Second operand has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 11 states have internal predecessors, (254), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 01:16:53,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:53,124 INFO L93 Difference]: Finished difference Result 4782 states and 6949 transitions. [2024-11-10 01:16:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 01:16:53,125 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 11 states have internal predecessors, (254), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 286 [2024-11-10 01:16:53,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:53,131 INFO L225 Difference]: With dead ends: 4782 [2024-11-10 01:16:53,132 INFO L226 Difference]: Without dead ends: 3944 [2024-11-10 01:16:53,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-11-10 01:16:53,135 INFO L432 NwaCegarLoop]: 1869 mSDtfsCounter, 4854 mSDsluCounter, 10636 mSDsCounter, 0 mSdLazyCounter, 8778 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4860 SdHoareTripleChecker+Valid, 12505 SdHoareTripleChecker+Invalid, 8790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:53,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4860 Valid, 12505 Invalid, 8790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 8778 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-10 01:16:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2024-11-10 01:16:53,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 2062. [2024-11-10 01:16:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 2013 states have (on average 1.4307004470938898) internal successors, (2880), 2013 states have internal predecessors, (2880), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-10 01:16:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2974 transitions. [2024-11-10 01:16:53,208 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2974 transitions. Word has length 286 [2024-11-10 01:16:53,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:53,209 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2974 transitions. [2024-11-10 01:16:53,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 11 states have internal predecessors, (254), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 01:16:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2974 transitions. [2024-11-10 01:16:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-10 01:16:53,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:53,215 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:53,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 01:16:53,215 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:53,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash -795081489, now seen corresponding path program 1 times [2024-11-10 01:16:53,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:53,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166477794] [2024-11-10 01:16:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:53,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 01:16:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 01:16:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 01:16:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 01:16:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 01:16:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 01:16:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 01:16:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:54,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:54,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166477794] [2024-11-10 01:16:54,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166477794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:54,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:54,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 01:16:54,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942515174] [2024-11-10 01:16:54,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:54,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 01:16:54,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:54,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 01:16:54,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 01:16:54,317 INFO L87 Difference]: Start difference. First operand 2062 states and 2974 transitions. Second operand has 10 states, 10 states have (on average 25.4) internal successors, (254), 10 states have internal predecessors, (254), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 01:16:55,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:55,805 INFO L93 Difference]: Finished difference Result 3898 states and 5642 transitions. [2024-11-10 01:16:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 01:16:55,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.4) internal successors, (254), 10 states have internal predecessors, (254), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 286 [2024-11-10 01:16:55,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:55,814 INFO L225 Difference]: With dead ends: 3898 [2024-11-10 01:16:55,814 INFO L226 Difference]: Without dead ends: 2836 [2024-11-10 01:16:55,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-10 01:16:55,817 INFO L432 NwaCegarLoop]: 738 mSDtfsCounter, 2655 mSDsluCounter, 4975 mSDsCounter, 0 mSdLazyCounter, 3779 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2661 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 3784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:55,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2661 Valid, 5713 Invalid, 3784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3779 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 01:16:55,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2836 states. [2024-11-10 01:16:55,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2836 to 2133. [2024-11-10 01:16:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2079 states have (on average 1.428090428090428) internal successors, (2969), 2079 states have internal predecessors, (2969), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 01:16:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3073 transitions. [2024-11-10 01:16:55,859 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3073 transitions. Word has length 286 [2024-11-10 01:16:55,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:55,859 INFO L471 AbstractCegarLoop]: Abstraction has 2133 states and 3073 transitions. [2024-11-10 01:16:55,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.4) internal successors, (254), 10 states have internal predecessors, (254), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-10 01:16:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3073 transitions. [2024-11-10 01:16:55,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-10 01:16:55,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:55,864 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:55,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 01:16:55,865 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:55,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:55,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1571249780, now seen corresponding path program 1 times [2024-11-10 01:16:55,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:55,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085366678] [2024-11-10 01:16:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:55,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 01:16:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 01:16:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 01:16:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 01:16:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 01:16:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 01:16:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 01:16:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 01:16:56,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:56,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085366678] [2024-11-10 01:16:56,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085366678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:56,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:56,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 01:16:56,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671222805] [2024-11-10 01:16:56,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:56,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 01:16:56,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:56,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 01:16:56,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:16:56,834 INFO L87 Difference]: Start difference. First operand 2133 states and 3073 transitions. Second operand has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 7 states have internal predecessors, (254), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:57,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:16:57,408 INFO L93 Difference]: Finished difference Result 4011 states and 5785 transitions. [2024-11-10 01:16:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:16:57,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 7 states have internal predecessors, (254), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 286 [2024-11-10 01:16:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:16:57,414 INFO L225 Difference]: With dead ends: 4011 [2024-11-10 01:16:57,414 INFO L226 Difference]: Without dead ends: 2904 [2024-11-10 01:16:57,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 01:16:57,417 INFO L432 NwaCegarLoop]: 933 mSDtfsCounter, 2079 mSDsluCounter, 3722 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2086 SdHoareTripleChecker+Valid, 4655 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 01:16:57,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2086 Valid, 4655 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 01:16:57,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2024-11-10 01:16:57,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2904. [2024-11-10 01:16:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2904 states, 2836 states have (on average 1.4273624823695346) internal successors, (4048), 2836 states have internal predecessors, (4048), 66 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 01:16:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2904 states and 4180 transitions. [2024-11-10 01:16:57,462 INFO L78 Accepts]: Start accepts. Automaton has 2904 states and 4180 transitions. Word has length 286 [2024-11-10 01:16:57,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:16:57,463 INFO L471 AbstractCegarLoop]: Abstraction has 2904 states and 4180 transitions. [2024-11-10 01:16:57,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 7 states have internal predecessors, (254), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 01:16:57,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 4180 transitions. [2024-11-10 01:16:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-11-10 01:16:57,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:16:57,469 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:16:57,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 01:16:57,469 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:16:57,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:16:57,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1110556224, now seen corresponding path program 1 times [2024-11-10 01:16:57,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:16:57,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916715606] [2024-11-10 01:16:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:16:57,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:16:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 01:16:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 01:16:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 01:16:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 01:16:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 01:16:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 01:16:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 01:16:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2024-11-10 01:16:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2024-11-10 01:16:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2024-11-10 01:16:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2024-11-10 01:16:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2024-11-10 01:16:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-10 01:16:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-10 01:16:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:16:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:16:58,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:16:58,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916715606] [2024-11-10 01:16:58,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916715606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:16:58,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:16:58,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 01:16:58,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107450565] [2024-11-10 01:16:58,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:16:58,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 01:16:58,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:16:58,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 01:16:58,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:16:58,892 INFO L87 Difference]: Start difference. First operand 2904 states and 4180 transitions. Second operand has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 01:17:00,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:00,123 INFO L93 Difference]: Finished difference Result 5069 states and 7322 transitions. [2024-11-10 01:17:00,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 01:17:00,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 664 [2024-11-10 01:17:00,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:00,131 INFO L225 Difference]: With dead ends: 5069 [2024-11-10 01:17:00,132 INFO L226 Difference]: Without dead ends: 3962 [2024-11-10 01:17:00,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 01:17:00,135 INFO L432 NwaCegarLoop]: 963 mSDtfsCounter, 1980 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 3534 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:00,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 3534 Invalid, 2414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2413 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 01:17:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2024-11-10 01:17:00,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3692. [2024-11-10 01:17:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.4298729983434566) internal successors, (5179), 3622 states have internal predecessors, (5179), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5315 transitions. [2024-11-10 01:17:00,192 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5315 transitions. Word has length 664 [2024-11-10 01:17:00,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:00,192 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5315 transitions. [2024-11-10 01:17:00,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 01:17:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5315 transitions. [2024-11-10 01:17:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2024-11-10 01:17:00,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:00,199 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:00,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 01:17:00,199 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:00,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:00,200 INFO L85 PathProgramCache]: Analyzing trace with hash 507202675, now seen corresponding path program 1 times [2024-11-10 01:17:00,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:00,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309064553] [2024-11-10 01:17:00,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:00,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2024-11-10 01:17:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-11-10 01:17:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2024-11-10 01:17:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2024-11-10 01:17:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-10 01:17:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-10 01:17:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-10 01:17:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:01,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:01,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309064553] [2024-11-10 01:17:01,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309064553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:01,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:01,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:17:01,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972225355] [2024-11-10 01:17:01,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:01,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:17:01,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:01,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:17:01,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:01,228 INFO L87 Difference]: Start difference. First operand 3692 states and 5315 transitions. Second operand has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:01,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:01,535 INFO L93 Difference]: Finished difference Result 5216 states and 7520 transitions. [2024-11-10 01:17:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:01,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 665 [2024-11-10 01:17:01,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:01,542 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:01,542 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:01,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:17:01,546 INFO L432 NwaCegarLoop]: 915 mSDtfsCounter, 1844 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:01,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 1832 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:17:01,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:01,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.4295969077857538) internal successors, (5178), 3622 states have internal predecessors, (5178), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5314 transitions. [2024-11-10 01:17:01,598 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5314 transitions. Word has length 665 [2024-11-10 01:17:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:01,598 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5314 transitions. [2024-11-10 01:17:01,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5314 transitions. [2024-11-10 01:17:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-10 01:17:01,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:01,607 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:01,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 01:17:01,607 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:01,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2062803220, now seen corresponding path program 1 times [2024-11-10 01:17:01,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:01,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269204897] [2024-11-10 01:17:01,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:01,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2024-11-10 01:17:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2024-11-10 01:17:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-11-10 01:17:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-10 01:17:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-10 01:17:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-10 01:17:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2024-11-10 01:17:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:02,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:02,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269204897] [2024-11-10 01:17:02,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269204897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:02,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:02,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:17:02,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459155321] [2024-11-10 01:17:02,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:02,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:17:02,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:02,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:17:02,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:02,792 INFO L87 Difference]: Start difference. First operand 3692 states and 5314 transitions. Second operand has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:03,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:03,106 INFO L93 Difference]: Finished difference Result 5216 states and 7518 transitions. [2024-11-10 01:17:03,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:03,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 666 [2024-11-10 01:17:03,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:03,114 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:03,114 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:03,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:17:03,119 INFO L432 NwaCegarLoop]: 915 mSDtfsCounter, 1828 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:03,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 1832 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 01:17:03,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.4293208172280507) internal successors, (5177), 3622 states have internal predecessors, (5177), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:03,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5313 transitions. [2024-11-10 01:17:03,183 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5313 transitions. Word has length 666 [2024-11-10 01:17:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:03,184 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5313 transitions. [2024-11-10 01:17:03,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5313 transitions. [2024-11-10 01:17:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2024-11-10 01:17:03,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:03,192 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:03,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 01:17:03,193 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:03,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1231484062, now seen corresponding path program 1 times [2024-11-10 01:17:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:03,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147802367] [2024-11-10 01:17:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2024-11-10 01:17:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2024-11-10 01:17:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-10 01:17:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2024-11-10 01:17:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2024-11-10 01:17:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-10 01:17:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2024-11-10 01:17:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:04,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:04,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147802367] [2024-11-10 01:17:04,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147802367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:04,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:04,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:17:04,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518634216] [2024-11-10 01:17:04,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:04,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:17:04,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:04,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:17:04,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:04,285 INFO L87 Difference]: Start difference. First operand 3692 states and 5313 transitions. Second operand has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-10 01:17:04,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:04,735 INFO L93 Difference]: Finished difference Result 5216 states and 7516 transitions. [2024-11-10 01:17:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:04,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 667 [2024-11-10 01:17:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:04,740 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:04,740 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:04,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:17:04,743 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 1734 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:04,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 1406 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 01:17:04,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:04,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.4290447266703479) internal successors, (5176), 3622 states have internal predecessors, (5176), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5312 transitions. [2024-11-10 01:17:04,803 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5312 transitions. Word has length 667 [2024-11-10 01:17:04,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:04,803 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5312 transitions. [2024-11-10 01:17:04,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-10 01:17:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5312 transitions. [2024-11-10 01:17:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2024-11-10 01:17:04,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:04,812 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:04,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 01:17:04,812 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:04,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1746164963, now seen corresponding path program 1 times [2024-11-10 01:17:04,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:04,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072883999] [2024-11-10 01:17:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-11-10 01:17:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2024-11-10 01:17:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2024-11-10 01:17:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2024-11-10 01:17:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-10 01:17:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-10 01:17:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-10 01:17:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:05,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:05,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072883999] [2024-11-10 01:17:05,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072883999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:05,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:05,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:17:05,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618881785] [2024-11-10 01:17:05,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:05,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:17:05,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:05,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:17:05,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:05,853 INFO L87 Difference]: Start difference. First operand 3692 states and 5312 transitions. Second operand has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:06,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:06,130 INFO L93 Difference]: Finished difference Result 5216 states and 7514 transitions. [2024-11-10 01:17:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:06,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 668 [2024-11-10 01:17:06,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:06,135 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:06,135 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:06,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:17:06,137 INFO L432 NwaCegarLoop]: 914 mSDtfsCounter, 942 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:06,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 1841 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 01:17:06,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.428768636112645) internal successors, (5175), 3622 states have internal predecessors, (5175), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5311 transitions. [2024-11-10 01:17:06,180 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5311 transitions. Word has length 668 [2024-11-10 01:17:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:06,181 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5311 transitions. [2024-11-10 01:17:06,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5311 transitions. [2024-11-10 01:17:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2024-11-10 01:17:06,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:06,187 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:06,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 01:17:06,187 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:06,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:06,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1723317094, now seen corresponding path program 1 times [2024-11-10 01:17:06,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:06,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289791298] [2024-11-10 01:17:06,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:06,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2024-11-10 01:17:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2024-11-10 01:17:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2024-11-10 01:17:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2024-11-10 01:17:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-10 01:17:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-10 01:17:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-10 01:17:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:07,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:07,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289791298] [2024-11-10 01:17:07,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289791298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:07,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:07,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:17:07,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779385627] [2024-11-10 01:17:07,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:07,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:17:07,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:07,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:17:07,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:07,284 INFO L87 Difference]: Start difference. First operand 3692 states and 5311 transitions. Second operand has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:07,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:07,554 INFO L93 Difference]: Finished difference Result 5216 states and 7512 transitions. [2024-11-10 01:17:07,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:07,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 669 [2024-11-10 01:17:07,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:07,560 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:07,560 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:07,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:17:07,563 INFO L432 NwaCegarLoop]: 914 mSDtfsCounter, 1712 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:07,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1719 Valid, 1830 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 01:17:07,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.428492545554942) internal successors, (5174), 3622 states have internal predecessors, (5174), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5310 transitions. [2024-11-10 01:17:07,609 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5310 transitions. Word has length 669 [2024-11-10 01:17:07,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:07,610 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5310 transitions. [2024-11-10 01:17:07,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5310 transitions. [2024-11-10 01:17:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2024-11-10 01:17:07,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:07,619 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:07,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 01:17:07,619 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:07,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:07,620 INFO L85 PathProgramCache]: Analyzing trace with hash -145190510, now seen corresponding path program 1 times [2024-11-10 01:17:07,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:07,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343026687] [2024-11-10 01:17:07,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:07,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2024-11-10 01:17:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2024-11-10 01:17:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2024-11-10 01:17:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2024-11-10 01:17:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-10 01:17:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-10 01:17:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-10 01:17:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:08,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:08,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343026687] [2024-11-10 01:17:08,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343026687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:08,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:08,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 01:17:08,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857114860] [2024-11-10 01:17:08,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:08,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 01:17:08,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:08,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 01:17:08,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:08,647 INFO L87 Difference]: Start difference. First operand 3692 states and 5310 transitions. Second operand has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-10 01:17:09,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:09,107 INFO L93 Difference]: Finished difference Result 5216 states and 7510 transitions. [2024-11-10 01:17:09,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:09,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 670 [2024-11-10 01:17:09,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:09,112 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:09,112 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:09,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 01:17:09,114 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 1618 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:09,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 1402 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 01:17:09,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.4282164549972391) internal successors, (5173), 3622 states have internal predecessors, (5173), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5309 transitions. [2024-11-10 01:17:09,163 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5309 transitions. Word has length 670 [2024-11-10 01:17:09,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:09,164 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5309 transitions. [2024-11-10 01:17:09,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-10 01:17:09,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5309 transitions. [2024-11-10 01:17:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2024-11-10 01:17:09,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:09,172 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:09,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 01:17:09,172 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:09,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:09,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1201933429, now seen corresponding path program 1 times [2024-11-10 01:17:09,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:09,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199360857] [2024-11-10 01:17:09,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:09,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-10 01:17:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2024-11-10 01:17:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2024-11-10 01:17:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-11-10 01:17:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-10 01:17:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-10 01:17:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2024-11-10 01:17:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:11,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:11,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199360857] [2024-11-10 01:17:11,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199360857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:11,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:11,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:17:11,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124589419] [2024-11-10 01:17:11,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:11,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:17:11,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:11,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:17:11,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:17:11,157 INFO L87 Difference]: Start difference. First operand 3692 states and 5309 transitions. Second operand has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:11,409 INFO L93 Difference]: Finished difference Result 5216 states and 7508 transitions. [2024-11-10 01:17:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:11,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 671 [2024-11-10 01:17:11,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:11,414 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:11,414 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:11,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:11,416 INFO L432 NwaCegarLoop]: 913 mSDtfsCounter, 832 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:11,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1828 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 01:17:11,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.427940364439536) internal successors, (5172), 3622 states have internal predecessors, (5172), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5308 transitions. [2024-11-10 01:17:11,461 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5308 transitions. Word has length 671 [2024-11-10 01:17:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:11,462 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5308 transitions. [2024-11-10 01:17:11,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5308 transitions. [2024-11-10 01:17:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2024-11-10 01:17:11,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:11,469 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:11,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-10 01:17:11,469 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:11,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:11,470 INFO L85 PathProgramCache]: Analyzing trace with hash -683414792, now seen corresponding path program 1 times [2024-11-10 01:17:11,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:11,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552966957] [2024-11-10 01:17:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:11,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 01:17:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 01:17:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 01:17:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 01:17:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 01:17:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-10 01:17:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 01:17:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 01:17:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2024-11-10 01:17:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2024-11-10 01:17:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2024-11-10 01:17:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-11-10 01:17:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2024-11-10 01:17:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-10 01:17:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2024-11-10 01:17:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 01:17:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 01:17:13,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 01:17:13,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552966957] [2024-11-10 01:17:13,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552966957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 01:17:13,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 01:17:13,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 01:17:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930724914] [2024-11-10 01:17:13,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 01:17:13,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 01:17:13,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 01:17:13,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 01:17:13,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 01:17:13,625 INFO L87 Difference]: Start difference. First operand 3692 states and 5308 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:13,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 01:17:13,864 INFO L93 Difference]: Finished difference Result 5216 states and 7506 transitions. [2024-11-10 01:17:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 01:17:13,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 672 [2024-11-10 01:17:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 01:17:13,868 INFO L225 Difference]: With dead ends: 5216 [2024-11-10 01:17:13,868 INFO L226 Difference]: Without dead ends: 3692 [2024-11-10 01:17:13,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 01:17:13,870 INFO L432 NwaCegarLoop]: 913 mSDtfsCounter, 775 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 01:17:13,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 1828 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 01:17:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2024-11-10 01:17:13,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2024-11-10 01:17:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3622 states have (on average 1.4276642738818333) internal successors, (5171), 3622 states have internal predecessors, (5171), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 01:17:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5307 transitions. [2024-11-10 01:17:13,911 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5307 transitions. Word has length 672 [2024-11-10 01:17:13,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 01:17:13,912 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5307 transitions. [2024-11-10 01:17:13,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-10 01:17:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5307 transitions. [2024-11-10 01:17:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-10 01:17:13,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 01:17:13,920 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 01:17:13,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-10 01:17:13,920 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 01:17:13,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 01:17:13,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1892001621, now seen corresponding path program 1 times [2024-11-10 01:17:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 01:17:13,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115634844] [2024-11-10 01:17:13,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 01:17:13,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms