./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.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 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:06:20,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:06:20,506 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 02:06:20,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:06:20,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:06:20,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:06:20,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:06:20,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:06:20,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:06:20,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:06:20,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:06:20,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:06:20,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:06:20,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:06:20,556 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:06:20,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:06:20,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:06:20,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:06:20,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:06:20,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:06:20,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:06:20,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:06:20,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:06:20,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:06:20,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:06:20,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:06:20,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:06:20,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:06:20,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:06:20,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:06:20,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:06:20,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:06:20,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:06:20,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:06:20,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:06:20,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:06:20,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:06:20,569 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:06:20,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:06:20,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f [2024-11-20 02:06:20,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:06:20,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:06:20,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:06:20,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:06:20,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:06:20,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-20 02:06:22,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:06:22,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:06:22,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-20 02:06:22,917 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8bb1a05b/55f0a804ef984ca3bde62e284684f717/FLAG26ae3acc8 [2024-11-20 02:06:22,933 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8bb1a05b/55f0a804ef984ca3bde62e284684f717 [2024-11-20 02:06:22,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:06:22,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:06:22,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:06:22,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:06:22,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:06:22,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:06:22" (1/1) ... [2024-11-20 02:06:22,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffe7c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:22, skipping insertion in model container [2024-11-20 02:06:22,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:06:22" (1/1) ... [2024-11-20 02:06:23,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:06:23,259 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.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-20 02:06:23,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:06:23,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:06:23,737 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.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-20 02:06:23,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:06:23,900 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:06:23,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23 WrapperNode [2024-11-20 02:06:23,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:06:23,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:06:23,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:06:23,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:06:23,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:23,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,507 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4881 [2024-11-20 02:06:24,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:06:24,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:06:24,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:06:24,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:06:24,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,822 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]. [2024-11-20 02:06:24,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:24,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:25,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:25,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:06:25,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:06:25,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:06:25,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:06:25,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (1/1) ... [2024-11-20 02:06:25,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:06:25,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:06:25,141 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) [2024-11-20 02:06:25,143 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 [2024-11-20 02:06:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:06:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:06:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:06:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:06:25,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:06:25,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:06:30,468 INFO L? ?]: Removed 3163 outVars from TransFormulas that were not future-live. [2024-11-20 02:06:30,469 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:06:30,522 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:06:30,522 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:06:30,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:06:30 BoogieIcfgContainer [2024-11-20 02:06:30,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:06:30,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:06:30,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:06:30,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:06:30,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:06:22" (1/3) ... [2024-11-20 02:06:30,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fdf8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:06:30, skipping insertion in model container [2024-11-20 02:06:30,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:23" (2/3) ... [2024-11-20 02:06:30,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fdf8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:06:30, skipping insertion in model container [2024-11-20 02:06:30,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:06:30" (3/3) ... [2024-11-20 02:06:30,534 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-20 02:06:30,552 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:06:30,552 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:06:30,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:06:30,667 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;@357c8660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:06:30,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:06:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 1130 states, 1128 states have (on average 1.499113475177305) internal successors, (1691), 1129 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:30,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-20 02:06:30,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:30,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:30,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:30,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:30,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1233996024, now seen corresponding path program 1 times [2024-11-20 02:06:30,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:30,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517171698] [2024-11-20 02:06:30,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:30,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:31,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:31,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517171698] [2024-11-20 02:06:31,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517171698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:31,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:31,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:06:31,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121081090] [2024-11-20 02:06:31,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:31,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:06:31,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:31,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:06:31,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:06:31,810 INFO L87 Difference]: Start difference. First operand has 1130 states, 1128 states have (on average 1.499113475177305) internal successors, (1691), 1129 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:31,961 INFO L93 Difference]: Finished difference Result 2141 states and 3207 transitions. [2024-11-20 02:06:31,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:06:31,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-20 02:06:31,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:31,982 INFO L225 Difference]: With dead ends: 2141 [2024-11-20 02:06:31,982 INFO L226 Difference]: Without dead ends: 1129 [2024-11-20 02:06:31,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:06:31,996 INFO L432 NwaCegarLoop]: 1685 mSDtfsCounter, 0 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5049 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:31,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5049 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:06:32,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2024-11-20 02:06:32,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2024-11-20 02:06:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1128 states have (on average 1.497340425531915) internal successors, (1689), 1128 states have internal predecessors, (1689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1689 transitions. [2024-11-20 02:06:32,097 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1689 transitions. Word has length 91 [2024-11-20 02:06:32,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:32,098 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1689 transitions. [2024-11-20 02:06:32,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1689 transitions. [2024-11-20 02:06:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-20 02:06:32,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:32,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:32,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:06:32,102 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:32,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:32,103 INFO L85 PathProgramCache]: Analyzing trace with hash 402524632, now seen corresponding path program 1 times [2024-11-20 02:06:32,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:32,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5943346] [2024-11-20 02:06:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:32,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:32,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:32,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5943346] [2024-11-20 02:06:32,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5943346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:32,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:32,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:06:32,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123317978] [2024-11-20 02:06:32,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:32,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:06:32,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:32,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:06:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:06:32,570 INFO L87 Difference]: Start difference. First operand 1129 states and 1689 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:32,641 INFO L93 Difference]: Finished difference Result 2142 states and 3205 transitions. [2024-11-20 02:06:32,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:06:32,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-20 02:06:32,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:32,647 INFO L225 Difference]: With dead ends: 2142 [2024-11-20 02:06:32,647 INFO L226 Difference]: Without dead ends: 1131 [2024-11-20 02:06:32,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:06:32,653 INFO L432 NwaCegarLoop]: 1685 mSDtfsCounter, 0 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:32,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5045 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:06:32,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-20 02:06:32,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1131. [2024-11-20 02:06:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 1130 states have (on average 1.4964601769911505) internal successors, (1691), 1130 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1691 transitions. [2024-11-20 02:06:32,687 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1691 transitions. Word has length 92 [2024-11-20 02:06:32,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:32,687 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1691 transitions. [2024-11-20 02:06:32,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1691 transitions. [2024-11-20 02:06:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-20 02:06:32,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:32,693 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:32,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:06:32,693 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:32,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:32,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1504603679, now seen corresponding path program 1 times [2024-11-20 02:06:32,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:32,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852852985] [2024-11-20 02:06:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:33,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:33,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852852985] [2024-11-20 02:06:33,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852852985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:33,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:33,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 02:06:33,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155910217] [2024-11-20 02:06:33,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:33,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 02:06:33,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:33,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 02:06:33,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:06:33,469 INFO L87 Difference]: Start difference. First operand 1131 states and 1691 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:33,592 INFO L93 Difference]: Finished difference Result 2148 states and 3212 transitions. [2024-11-20 02:06:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 02:06:33,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-20 02:06:33,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:33,599 INFO L225 Difference]: With dead ends: 2148 [2024-11-20 02:06:33,600 INFO L226 Difference]: Without dead ends: 1135 [2024-11-20 02:06:33,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:33,604 INFO L432 NwaCegarLoop]: 1677 mSDtfsCounter, 1610 mSDsluCounter, 5022 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 6699 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:33,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 6699 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:33,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-11-20 02:06:33,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1134. [2024-11-20 02:06:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 1133 states have (on average 1.4951456310679612) internal successors, (1694), 1133 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1694 transitions. [2024-11-20 02:06:33,637 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1694 transitions. Word has length 93 [2024-11-20 02:06:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:33,638 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1694 transitions. [2024-11-20 02:06:33,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1694 transitions. [2024-11-20 02:06:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-20 02:06:33,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:33,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:33,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:06:33,642 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:33,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:33,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2128495429, now seen corresponding path program 1 times [2024-11-20 02:06:33,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:33,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578835833] [2024-11-20 02:06:33,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:33,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:34,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578835833] [2024-11-20 02:06:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578835833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:06:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568141601] [2024-11-20 02:06:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:34,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:06:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:06:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:06:34,729 INFO L87 Difference]: Start difference. First operand 1134 states and 1694 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:34,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:34,923 INFO L93 Difference]: Finished difference Result 2195 states and 3279 transitions. [2024-11-20 02:06:34,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:06:34,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-20 02:06:34,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:34,929 INFO L225 Difference]: With dead ends: 2195 [2024-11-20 02:06:34,929 INFO L226 Difference]: Without dead ends: 1179 [2024-11-20 02:06:34,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:06:34,932 INFO L432 NwaCegarLoop]: 1667 mSDtfsCounter, 1756 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:34,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 5000 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:34,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-11-20 02:06:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1140. [2024-11-20 02:06:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1139 states have (on average 1.4942932396839332) internal successors, (1702), 1139 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1702 transitions. [2024-11-20 02:06:34,966 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1702 transitions. Word has length 94 [2024-11-20 02:06:34,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:34,967 INFO L471 AbstractCegarLoop]: Abstraction has 1140 states and 1702 transitions. [2024-11-20 02:06:34,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1702 transitions. [2024-11-20 02:06:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-20 02:06:34,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:34,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:34,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 02:06:34,971 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:34,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:34,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1037528425, now seen corresponding path program 1 times [2024-11-20 02:06:34,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:34,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008236375] [2024-11-20 02:06:34,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:34,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:35,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:35,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008236375] [2024-11-20 02:06:35,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008236375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:35,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:35,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 02:06:35,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514627150] [2024-11-20 02:06:35,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:35,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 02:06:35,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:35,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 02:06:35,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 02:06:35,763 INFO L87 Difference]: Start difference. First operand 1140 states and 1702 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:35,928 INFO L93 Difference]: Finished difference Result 2176 states and 3250 transitions. [2024-11-20 02:06:35,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 02:06:35,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-20 02:06:35,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:35,935 INFO L225 Difference]: With dead ends: 2176 [2024-11-20 02:06:35,936 INFO L226 Difference]: Without dead ends: 1160 [2024-11-20 02:06:35,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 02:06:35,938 INFO L432 NwaCegarLoop]: 1679 mSDtfsCounter, 19 mSDsluCounter, 6724 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:35,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 8403 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-20 02:06:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1157. [2024-11-20 02:06:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.4930795847750864) internal successors, (1726), 1156 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1726 transitions. [2024-11-20 02:06:35,966 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1726 transitions. Word has length 95 [2024-11-20 02:06:35,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:35,967 INFO L471 AbstractCegarLoop]: Abstraction has 1157 states and 1726 transitions. [2024-11-20 02:06:35,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1726 transitions. [2024-11-20 02:06:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 02:06:35,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:35,968 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:35,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 02:06:35,969 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:35,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:35,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1847090050, now seen corresponding path program 1 times [2024-11-20 02:06:35,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:35,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857685277] [2024-11-20 02:06:35,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:35,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:36,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857685277] [2024-11-20 02:06:36,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857685277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:36,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:36,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 02:06:36,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200542230] [2024-11-20 02:06:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:36,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 02:06:36,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:36,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 02:06:36,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:06:36,950 INFO L87 Difference]: Start difference. First operand 1157 states and 1726 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:37,425 INFO L93 Difference]: Finished difference Result 2256 states and 3365 transitions. [2024-11-20 02:06:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:06:37,425 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-20 02:06:37,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:37,431 INFO L225 Difference]: With dead ends: 2256 [2024-11-20 02:06:37,431 INFO L226 Difference]: Without dead ends: 1223 [2024-11-20 02:06:37,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-20 02:06:37,434 INFO L432 NwaCegarLoop]: 1658 mSDtfsCounter, 1831 mSDsluCounter, 9993 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 11651 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:37,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 11651 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 02:06:37,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-11-20 02:06:37,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1182. [2024-11-20 02:06:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1181 states have (on average 1.491955969517358) internal successors, (1762), 1181 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1762 transitions. [2024-11-20 02:06:37,462 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1762 transitions. Word has length 96 [2024-11-20 02:06:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:37,462 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1762 transitions. [2024-11-20 02:06:37,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1762 transitions. [2024-11-20 02:06:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 02:06:37,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:37,464 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:37,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 02:06:37,465 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:37,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:37,465 INFO L85 PathProgramCache]: Analyzing trace with hash -524889858, now seen corresponding path program 1 times [2024-11-20 02:06:37,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:37,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018800403] [2024-11-20 02:06:37,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:37,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:38,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:38,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018800403] [2024-11-20 02:06:38,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018800403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:38,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:38,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:06:38,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606173626] [2024-11-20 02:06:38,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:38,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:06:38,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:38,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:06:38,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:06:38,026 INFO L87 Difference]: Start difference. First operand 1182 states and 1762 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:38,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:38,176 INFO L93 Difference]: Finished difference Result 2233 states and 3330 transitions. [2024-11-20 02:06:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:06:38,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-20 02:06:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:38,181 INFO L225 Difference]: With dead ends: 2233 [2024-11-20 02:06:38,182 INFO L226 Difference]: Without dead ends: 1200 [2024-11-20 02:06:38,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:38,184 INFO L432 NwaCegarLoop]: 1669 mSDtfsCounter, 1753 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:38,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 5003 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:38,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-11-20 02:06:38,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1182. [2024-11-20 02:06:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1181 states have (on average 1.4911092294665538) internal successors, (1761), 1181 states have internal predecessors, (1761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:38,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1761 transitions. [2024-11-20 02:06:38,213 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1761 transitions. Word has length 96 [2024-11-20 02:06:38,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:38,213 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1761 transitions. [2024-11-20 02:06:38,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1761 transitions. [2024-11-20 02:06:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 02:06:38,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:38,215 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:38,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 02:06:38,215 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:38,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:38,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1987657310, now seen corresponding path program 1 times [2024-11-20 02:06:38,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:38,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981511541] [2024-11-20 02:06:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:38,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:39,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:39,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981511541] [2024-11-20 02:06:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981511541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:39,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 02:06:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493543880] [2024-11-20 02:06:39,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:39,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 02:06:39,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:39,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 02:06:39,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-20 02:06:39,364 INFO L87 Difference]: Start difference. First operand 1182 states and 1761 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:39,936 INFO L93 Difference]: Finished difference Result 2239 states and 3338 transitions. [2024-11-20 02:06:39,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 02:06:39,937 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-20 02:06:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:39,942 INFO L225 Difference]: With dead ends: 2239 [2024-11-20 02:06:39,942 INFO L226 Difference]: Without dead ends: 1206 [2024-11-20 02:06:39,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2024-11-20 02:06:39,946 INFO L432 NwaCegarLoop]: 1656 mSDtfsCounter, 1757 mSDsluCounter, 14894 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 16550 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:39,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 16550 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 02:06:39,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2024-11-20 02:06:39,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1185. [2024-11-20 02:06:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1184 states have (on average 1.4907094594594594) internal successors, (1765), 1184 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1765 transitions. [2024-11-20 02:06:40,015 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1765 transitions. Word has length 97 [2024-11-20 02:06:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:40,015 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1765 transitions. [2024-11-20 02:06:40,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1765 transitions. [2024-11-20 02:06:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-20 02:06:40,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:40,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:40,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 02:06:40,018 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:40,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:40,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1017783003, now seen corresponding path program 1 times [2024-11-20 02:06:40,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:40,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982067838] [2024-11-20 02:06:40,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:40,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:40,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:40,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:40,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982067838] [2024-11-20 02:06:40,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982067838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:40,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:40,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:06:40,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716041452] [2024-11-20 02:06:40,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:40,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:06:40,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:40,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:06:40,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:40,832 INFO L87 Difference]: Start difference. First operand 1185 states and 1765 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:41,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:41,108 INFO L93 Difference]: Finished difference Result 2240 states and 3339 transitions. [2024-11-20 02:06:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:06:41,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-20 02:06:41,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:41,114 INFO L225 Difference]: With dead ends: 2240 [2024-11-20 02:06:41,114 INFO L226 Difference]: Without dead ends: 1207 [2024-11-20 02:06:41,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:06:41,118 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 1745 mSDsluCounter, 6651 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 8315 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:41,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 8315 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:06:41,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-11-20 02:06:41,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1195. [2024-11-20 02:06:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1194 states have (on average 1.4899497487437185) internal successors, (1779), 1194 states have internal predecessors, (1779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1779 transitions. [2024-11-20 02:06:41,151 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1779 transitions. Word has length 98 [2024-11-20 02:06:41,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:41,151 INFO L471 AbstractCegarLoop]: Abstraction has 1195 states and 1779 transitions. [2024-11-20 02:06:41,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1779 transitions. [2024-11-20 02:06:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-20 02:06:41,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:41,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:41,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 02:06:41,153 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:41,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:41,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1927674431, now seen corresponding path program 1 times [2024-11-20 02:06:41,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:41,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725707816] [2024-11-20 02:06:41,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:41,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:41,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725707816] [2024-11-20 02:06:41,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725707816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:41,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:41,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:06:41,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964038825] [2024-11-20 02:06:41,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:41,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:06:41,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:41,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:06:41,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:06:41,629 INFO L87 Difference]: Start difference. First operand 1195 states and 1779 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:41,789 INFO L93 Difference]: Finished difference Result 2243 states and 3342 transitions. [2024-11-20 02:06:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:06:41,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-20 02:06:41,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:41,794 INFO L225 Difference]: With dead ends: 2243 [2024-11-20 02:06:41,795 INFO L226 Difference]: Without dead ends: 1204 [2024-11-20 02:06:41,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:41,797 INFO L432 NwaCegarLoop]: 1667 mSDtfsCounter, 1735 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 4999 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:41,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 4999 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:41,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-20 02:06:41,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1194. [2024-11-20 02:06:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1193 states have (on average 1.4886839899413244) internal successors, (1776), 1193 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1776 transitions. [2024-11-20 02:06:41,827 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1776 transitions. Word has length 98 [2024-11-20 02:06:41,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:41,827 INFO L471 AbstractCegarLoop]: Abstraction has 1194 states and 1776 transitions. [2024-11-20 02:06:41,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:41,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1776 transitions. [2024-11-20 02:06:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-20 02:06:41,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:41,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:41,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 02:06:41,829 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:41,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash -874954566, now seen corresponding path program 1 times [2024-11-20 02:06:41,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:41,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194914423] [2024-11-20 02:06:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:41,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:42,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:42,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194914423] [2024-11-20 02:06:42,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194914423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:42,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:42,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:06:42,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118285711] [2024-11-20 02:06:42,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:42,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:06:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:42,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:06:42,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:42,333 INFO L87 Difference]: Start difference. First operand 1194 states and 1776 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:42,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:42,579 INFO L93 Difference]: Finished difference Result 2245 states and 3341 transitions. [2024-11-20 02:06:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 02:06:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-20 02:06:42,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:42,585 INFO L225 Difference]: With dead ends: 2245 [2024-11-20 02:06:42,585 INFO L226 Difference]: Without dead ends: 1193 [2024-11-20 02:06:42,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:06:42,588 INFO L432 NwaCegarLoop]: 1668 mSDtfsCounter, 1740 mSDsluCounter, 6659 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 8327 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:42,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 8327 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:06:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-20 02:06:42,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1183. [2024-11-20 02:06:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.488155668358714) internal successors, (1759), 1182 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1759 transitions. [2024-11-20 02:06:42,616 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1759 transitions. Word has length 98 [2024-11-20 02:06:42,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:42,616 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1759 transitions. [2024-11-20 02:06:42,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1759 transitions. [2024-11-20 02:06:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 02:06:42,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:42,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:42,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 02:06:42,618 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:42,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash 67809601, now seen corresponding path program 1 times [2024-11-20 02:06:42,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:42,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136944390] [2024-11-20 02:06:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:43,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:43,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136944390] [2024-11-20 02:06:43,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136944390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:43,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:43,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:06:43,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940292002] [2024-11-20 02:06:43,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:43,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:06:43,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:43,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:06:43,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:06:43,048 INFO L87 Difference]: Start difference. First operand 1183 states and 1759 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:43,206 INFO L93 Difference]: Finished difference Result 2223 states and 3311 transitions. [2024-11-20 02:06:43,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:06:43,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-20 02:06:43,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:43,211 INFO L225 Difference]: With dead ends: 2223 [2024-11-20 02:06:43,211 INFO L226 Difference]: Without dead ends: 1190 [2024-11-20 02:06:43,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:43,214 INFO L432 NwaCegarLoop]: 1668 mSDtfsCounter, 1708 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:43,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 5000 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:43,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-20 02:06:43,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1183. [2024-11-20 02:06:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.4873096446700507) internal successors, (1758), 1182 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1758 transitions. [2024-11-20 02:06:43,237 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1758 transitions. Word has length 99 [2024-11-20 02:06:43,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:43,237 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1758 transitions. [2024-11-20 02:06:43,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1758 transitions. [2024-11-20 02:06:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 02:06:43,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:43,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:43,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 02:06:43,239 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:43,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:43,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1163727269, now seen corresponding path program 1 times [2024-11-20 02:06:43,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:43,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382215609] [2024-11-20 02:06:43,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:43,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:43,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:43,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382215609] [2024-11-20 02:06:43,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382215609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:43,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:43,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:06:43,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479184926] [2024-11-20 02:06:43,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:43,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:06:43,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:43,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:06:43,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:43,867 INFO L87 Difference]: Start difference. First operand 1183 states and 1758 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:44,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:44,087 INFO L93 Difference]: Finished difference Result 2227 states and 3316 transitions. [2024-11-20 02:06:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:06:44,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-20 02:06:44,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:44,092 INFO L225 Difference]: With dead ends: 2227 [2024-11-20 02:06:44,093 INFO L226 Difference]: Without dead ends: 1194 [2024-11-20 02:06:44,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:06:44,095 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1715 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 5063 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:44,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1715 Valid, 5063 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:44,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2024-11-20 02:06:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1186. [2024-11-20 02:06:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1185 states have (on average 1.4869198312236287) internal successors, (1762), 1185 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1762 transitions. [2024-11-20 02:06:44,121 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1762 transitions. Word has length 99 [2024-11-20 02:06:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:44,121 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1762 transitions. [2024-11-20 02:06:44,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1762 transitions. [2024-11-20 02:06:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 02:06:44,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:44,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:44,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 02:06:44,123 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:44,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:44,124 INFO L85 PathProgramCache]: Analyzing trace with hash 340120908, now seen corresponding path program 1 times [2024-11-20 02:06:44,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:44,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203829305] [2024-11-20 02:06:44,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:44,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:44,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203829305] [2024-11-20 02:06:44,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203829305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:44,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:44,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:06:44,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940711506] [2024-11-20 02:06:44,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:44,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:06:44,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:44,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:06:44,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:44,791 INFO L87 Difference]: Start difference. First operand 1186 states and 1762 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:45,053 INFO L93 Difference]: Finished difference Result 2229 states and 3318 transitions. [2024-11-20 02:06:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:06:45,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-20 02:06:45,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:45,058 INFO L225 Difference]: With dead ends: 2229 [2024-11-20 02:06:45,059 INFO L226 Difference]: Without dead ends: 1196 [2024-11-20 02:06:45,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:06:45,060 INFO L432 NwaCegarLoop]: 1664 mSDtfsCounter, 1707 mSDsluCounter, 5024 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 6688 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:45,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 6688 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:06:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-11-20 02:06:45,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1192. [2024-11-20 02:06:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 1191 states have (on average 1.486146095717884) internal successors, (1770), 1191 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1770 transitions. [2024-11-20 02:06:45,086 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1770 transitions. Word has length 100 [2024-11-20 02:06:45,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:45,086 INFO L471 AbstractCegarLoop]: Abstraction has 1192 states and 1770 transitions. [2024-11-20 02:06:45,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:45,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1770 transitions. [2024-11-20 02:06:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 02:06:45,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:45,088 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:45,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 02:06:45,088 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:45,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:45,089 INFO L85 PathProgramCache]: Analyzing trace with hash -315537392, now seen corresponding path program 1 times [2024-11-20 02:06:45,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:45,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065883559] [2024-11-20 02:06:45,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:45,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:46,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:46,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065883559] [2024-11-20 02:06:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065883559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:46,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:46,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-20 02:06:46,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983169506] [2024-11-20 02:06:46,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:46,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 02:06:46,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:46,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 02:06:46,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-20 02:06:46,126 INFO L87 Difference]: Start difference. First operand 1192 states and 1770 transitions. Second operand has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:46,754 INFO L93 Difference]: Finished difference Result 2258 states and 3361 transitions. [2024-11-20 02:06:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 02:06:46,755 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-20 02:06:46,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:46,759 INFO L225 Difference]: With dead ends: 2258 [2024-11-20 02:06:46,760 INFO L226 Difference]: Without dead ends: 1225 [2024-11-20 02:06:46,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-11-20 02:06:46,762 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 1651 mSDsluCounter, 26591 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 28257 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:46,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 28257 Invalid, 741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 02:06:46,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2024-11-20 02:06:46,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1215. [2024-11-20 02:06:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1214 states have (on average 1.4884678747940692) internal successors, (1807), 1214 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1807 transitions. [2024-11-20 02:06:46,789 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1807 transitions. Word has length 100 [2024-11-20 02:06:46,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:46,789 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1807 transitions. [2024-11-20 02:06:46,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1807 transitions. [2024-11-20 02:06:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 02:06:46,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:46,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:46,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 02:06:46,791 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:46,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:46,792 INFO L85 PathProgramCache]: Analyzing trace with hash 298757096, now seen corresponding path program 1 times [2024-11-20 02:06:46,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:46,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102120605] [2024-11-20 02:06:46,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:46,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:47,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:47,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102120605] [2024-11-20 02:06:47,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102120605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:47,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:47,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:06:47,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942921190] [2024-11-20 02:06:47,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:47,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:06:47,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:06:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:06:47,340 INFO L87 Difference]: Start difference. First operand 1215 states and 1807 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:47,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:47,506 INFO L93 Difference]: Finished difference Result 2270 states and 3384 transitions. [2024-11-20 02:06:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:06:47,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-20 02:06:47,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:47,511 INFO L225 Difference]: With dead ends: 2270 [2024-11-20 02:06:47,512 INFO L226 Difference]: Without dead ends: 1211 [2024-11-20 02:06:47,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:47,514 INFO L432 NwaCegarLoop]: 1668 mSDtfsCounter, 1699 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:47,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 5000 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:06:47,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-11-20 02:06:47,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1209. [2024-11-20 02:06:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1208 states have (on average 1.4884105960264902) internal successors, (1798), 1208 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:47,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1798 transitions. [2024-11-20 02:06:47,542 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1798 transitions. Word has length 100 [2024-11-20 02:06:47,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:47,542 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1798 transitions. [2024-11-20 02:06:47,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1798 transitions. [2024-11-20 02:06:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-20 02:06:47,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:47,544 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:47,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 02:06:47,544 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:47,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:47,545 INFO L85 PathProgramCache]: Analyzing trace with hash 372821100, now seen corresponding path program 1 times [2024-11-20 02:06:47,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:47,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121204128] [2024-11-20 02:06:47,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:47,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:48,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:48,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:48,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121204128] [2024-11-20 02:06:48,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121204128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:48,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:48,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:06:48,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432490414] [2024-11-20 02:06:48,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:48,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:06:48,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:48,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:06:48,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:48,518 INFO L87 Difference]: Start difference. First operand 1209 states and 1798 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:48,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:48,890 INFO L93 Difference]: Finished difference Result 3158 states and 4703 transitions. [2024-11-20 02:06:48,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:06:48,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-20 02:06:48,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:48,898 INFO L225 Difference]: With dead ends: 3158 [2024-11-20 02:06:48,898 INFO L226 Difference]: Without dead ends: 2078 [2024-11-20 02:06:48,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:06:48,900 INFO L432 NwaCegarLoop]: 1659 mSDtfsCounter, 4281 mSDsluCounter, 6629 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4281 SdHoareTripleChecker+Valid, 8288 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:48,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4281 Valid, 8288 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:06:48,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2024-11-20 02:06:48,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1212. [2024-11-20 02:06:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1211 states have (on average 1.486374896779521) internal successors, (1800), 1211 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1800 transitions. [2024-11-20 02:06:48,935 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1800 transitions. Word has length 101 [2024-11-20 02:06:48,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:48,936 INFO L471 AbstractCegarLoop]: Abstraction has 1212 states and 1800 transitions. [2024-11-20 02:06:48,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1800 transitions. [2024-11-20 02:06:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 02:06:48,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:48,937 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:48,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 02:06:48,938 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:48,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash 167212702, now seen corresponding path program 1 times [2024-11-20 02:06:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:48,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782167180] [2024-11-20 02:06:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:06:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:06:49,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:06:49,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782167180] [2024-11-20 02:06:49,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782167180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:06:49,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:06:49,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:06:49,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076611843] [2024-11-20 02:06:49,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:06:49,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:06:49,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:06:49,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:06:49,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:06:49,538 INFO L87 Difference]: Start difference. First operand 1212 states and 1800 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:06:49,835 INFO L93 Difference]: Finished difference Result 3154 states and 4694 transitions. [2024-11-20 02:06:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:06:49,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-20 02:06:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:06:49,843 INFO L225 Difference]: With dead ends: 3154 [2024-11-20 02:06:49,844 INFO L226 Difference]: Without dead ends: 2082 [2024-11-20 02:06:49,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:06:49,847 INFO L432 NwaCegarLoop]: 1660 mSDtfsCounter, 4286 mSDsluCounter, 5922 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 7582 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:06:49,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4286 Valid, 7582 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:06:49,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2024-11-20 02:06:49,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 1214. [2024-11-20 02:06:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1213 states have (on average 1.4855729596042868) internal successors, (1802), 1213 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1802 transitions. [2024-11-20 02:06:49,881 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1802 transitions. Word has length 102 [2024-11-20 02:06:49,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:06:49,881 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1802 transitions. [2024-11-20 02:06:49,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:06:49,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1802 transitions. [2024-11-20 02:06:49,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 02:06:49,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:06:49,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:49,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 02:06:49,886 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:06:49,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:06:49,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1702732013, now seen corresponding path program 1 times [2024-11-20 02:06:49,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:06:49,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633737648] [2024-11-20 02:06:49,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:06:49,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:06:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:06:49,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 02:06:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:06:50,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 02:06:50,144 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 02:06:50,145 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 02:06:50,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 02:06:50,151 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:06:50,253 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 02:06:50,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:06:50 BoogieIcfgContainer [2024-11-20 02:06:50,258 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 02:06:50,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 02:06:50,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 02:06:50,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 02:06:50,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:06:30" (3/4) ... [2024-11-20 02:06:50,262 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 02:06:50,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 02:06:50,264 INFO L158 Benchmark]: Toolchain (without parser) took 27326.00ms. Allocated memory was 161.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 87.3MB in the beginning and 722.5MB in the end (delta: -635.2MB). Peak memory consumption was 534.9MB. Max. memory is 16.1GB. [2024-11-20 02:06:50,264 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 161.5MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:06:50,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 961.21ms. Allocated memory is still 161.5MB. Free memory was 87.3MB in the beginning and 58.2MB in the end (delta: 29.2MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-20 02:06:50,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 606.05ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 58.2MB in the beginning and 119.6MB in the end (delta: -61.4MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-11-20 02:06:50,265 INFO L158 Benchmark]: Boogie Preprocessor took 593.27ms. Allocated memory is still 226.5MB. Free memory was 119.6MB in the beginning and 73.9MB in the end (delta: 45.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-20 02:06:50,266 INFO L158 Benchmark]: RCFGBuilder took 5417.64ms. Allocated memory was 226.5MB in the beginning and 545.3MB in the end (delta: 318.8MB). Free memory was 73.9MB in the beginning and 372.1MB in the end (delta: -298.1MB). Peak memory consumption was 200.6MB. Max. memory is 16.1GB. [2024-11-20 02:06:50,266 INFO L158 Benchmark]: TraceAbstraction took 19733.69ms. Allocated memory was 545.3MB in the beginning and 1.3GB in the end (delta: 784.3MB). Free memory was 371.0MB in the beginning and 722.5MB in the end (delta: -351.5MB). Peak memory consumption was 432.8MB. Max. memory is 16.1GB. [2024-11-20 02:06:50,266 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 1.3GB. Free memory is still 722.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:06:50,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 161.5MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 961.21ms. Allocated memory is still 161.5MB. Free memory was 87.3MB in the beginning and 58.2MB in the end (delta: 29.2MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 606.05ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 58.2MB in the beginning and 119.6MB in the end (delta: -61.4MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 593.27ms. Allocated memory is still 226.5MB. Free memory was 119.6MB in the beginning and 73.9MB in the end (delta: 45.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5417.64ms. Allocated memory was 226.5MB in the beginning and 545.3MB in the end (delta: 318.8MB). Free memory was 73.9MB in the beginning and 372.1MB in the end (delta: -298.1MB). Peak memory consumption was 200.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19733.69ms. Allocated memory was 545.3MB in the beginning and 1.3GB in the end (delta: 784.3MB). Free memory was 371.0MB in the beginning and 722.5MB in the end (delta: -351.5MB). Peak memory consumption was 432.8MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 1.3GB. Free memory is still 722.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 409. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L38] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L39] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L41] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L42] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L44] const SORT_21 var_22 = 1; [L45] const SORT_21 var_26 = 2; [L46] const SORT_21 var_29 = 4; [L47] const SORT_21 var_33 = 8; [L48] const SORT_21 var_37 = 0; [L49] const SORT_21 var_46 = 16; [L50] const SORT_21 var_49 = 32; [L51] const SORT_21 var_52 = 64; [L52] const SORT_3 var_57 = 1; [L53] const SORT_3 var_61 = 0; [L54] const SORT_6 var_146 = 0; [L56] SORT_1 input_2; [L57] SORT_3 input_4; [L58] SORT_3 input_5; [L59] SORT_6 input_7; [L60] SORT_3 input_8; [L61] SORT_3 input_9; [L62] SORT_3 input_10; [L63] SORT_3 input_11; [L64] SORT_12 input_13; [L65] SORT_3 input_14; [L66] SORT_3 input_15; [L67] SORT_16 input_17; [L68] SORT_3 input_18; [L69] SORT_3 input_19; [L70] SORT_3 input_20; [L71] SORT_3 input_368; [L72] SORT_3 input_390; [L73] SORT_3 input_405; [L74] SORT_3 input_420; [L75] SORT_3 input_435; [L76] SORT_3 input_450; [L77] SORT_3 input_465; [L78] SORT_3 input_480; [L79] SORT_3 input_495; [L80] SORT_3 input_510; [L81] SORT_3 input_525; [L82] SORT_3 input_540; [L83] SORT_3 input_555; [L84] SORT_3 input_570; [L85] SORT_3 input_585; [L86] SORT_3 input_600; [L87] SORT_3 input_616; [L88] SORT_3 input_618; [L89] SORT_3 input_620; [L90] SORT_3 input_622; [L91] SORT_3 input_624; [L92] SORT_3 input_626; [L93] SORT_3 input_628; [L94] SORT_3 input_630; [L95] SORT_3 input_635; [L96] SORT_21 input_676; [L97] SORT_21 input_677; [L98] SORT_21 input_678; [L99] SORT_21 input_679; [L100] SORT_21 input_682; [L101] SORT_21 input_686; [L102] SORT_21 input_690; [L103] SORT_21 input_698; [L104] SORT_21 input_702; [L105] SORT_21 input_704; [L106] SORT_21 input_708; [L107] SORT_21 input_711; [L108] SORT_21 input_715; [L109] SORT_21 input_720; [L110] SORT_21 input_724; [L111] SORT_21 input_729; [L112] SORT_21 input_731; [L113] SORT_21 input_732; [L114] SORT_21 input_734; [L115] SORT_21 input_738; [L116] SORT_21 input_743; [L117] SORT_21 input_750; [L118] SORT_21 input_751; [L119] SORT_21 input_753; [L120] SORT_21 input_757; [L121] SORT_21 input_762; [L122] SORT_21 input_764; [L123] SORT_21 input_765; [L124] SORT_21 input_767; [L125] SORT_21 input_771; [L126] SORT_21 input_776; [L127] SORT_21 input_780; [L128] SORT_21 input_785; [L129] SORT_21 input_787; [L130] SORT_21 input_793; [L131] SORT_21 input_805; [L132] SORT_3 input_810; [L133] SORT_3 input_819; [L134] SORT_3 input_838; [L135] SORT_3 input_845; [L136] SORT_3 input_856; [L137] SORT_3 input_862; [L138] SORT_3 input_868; [L139] SORT_3 input_874; [L140] SORT_3 input_880; [L141] SORT_3 input_886; [L142] SORT_3 input_892; [L143] SORT_3 input_898; [L144] SORT_3 input_904; [L145] SORT_3 input_910; [L146] SORT_3 input_916; [L147] SORT_3 input_922; [L148] SORT_3 input_928; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L150] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L151] SORT_21 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L152] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L152] SORT_3 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L153] SORT_3 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L154] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L155] SORT_3 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L156] SORT_3 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L157] SORT_3 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L158] SORT_3 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L159] SORT_3 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L160] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L161] SORT_3 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L162] SORT_3 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L163] SORT_3 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L164] SORT_3 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L165] SORT_3 state_132 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L166] SORT_3 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L167] SORT_3 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L168] SORT_3 state_152 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L169] SORT_3 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L170] SORT_3 state_166 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L171] SORT_3 state_169 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L172] SORT_3 state_181 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L173] SORT_3 state_191 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L174] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L175] SORT_3 state_199 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L176] SORT_3 state_208 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L177] SORT_3 state_221 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L178] SORT_3 state_234 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L180] SORT_21 init_24_arg_1 = var_22; [L181] state_23 = init_24_arg_1 [L182] SORT_21 init_32_arg_1 = var_22; [L183] state_31 = init_32_arg_1 [L184] SORT_3 init_63_arg_1 = var_61; [L185] state_62 = init_63_arg_1 [L186] SORT_3 init_65_arg_1 = var_61; [L187] state_64 = init_65_arg_1 [L188] SORT_3 init_67_arg_1 = var_61; [L189] state_66 = init_67_arg_1 [L190] SORT_3 init_71_arg_1 = var_61; [L191] state_70 = init_71_arg_1 [L192] SORT_3 init_75_arg_1 = var_61; [L193] state_74 = init_75_arg_1 [L194] SORT_3 init_79_arg_1 = var_61; [L195] state_78 = init_79_arg_1 [L196] SORT_3 init_95_arg_1 = var_61; [L197] state_94 = init_95_arg_1 [L198] SORT_3 init_112_arg_1 = var_61; [L199] state_111 = init_112_arg_1 [L200] SORT_3 init_115_arg_1 = var_61; [L201] state_114 = init_115_arg_1 [L202] SORT_3 init_117_arg_1 = var_61; [L203] state_116 = init_117_arg_1 [L204] SORT_3 init_121_arg_1 = var_61; [L205] state_120 = init_121_arg_1 [L206] SORT_3 init_125_arg_1 = var_61; [L207] state_124 = init_125_arg_1 [L208] SORT_3 init_130_arg_1 = var_61; [L209] state_129 = init_130_arg_1 [L210] SORT_3 init_133_arg_1 = var_61; [L211] state_132 = init_133_arg_1 [L212] SORT_3 init_143_arg_1 = var_61; [L213] state_142 = init_143_arg_1 [L214] SORT_3 init_150_arg_1 = var_61; [L215] state_149 = init_150_arg_1 [L216] SORT_3 init_153_arg_1 = var_61; [L217] state_152 = init_153_arg_1 [L218] SORT_3 init_162_arg_1 = var_61; [L219] state_161 = init_162_arg_1 [L220] SORT_3 init_167_arg_1 = var_61; [L221] state_166 = init_167_arg_1 [L222] SORT_3 init_170_arg_1 = var_61; [L223] state_169 = init_170_arg_1 [L224] SORT_3 init_182_arg_1 = var_61; [L225] state_181 = init_182_arg_1 [L226] SORT_3 init_192_arg_1 = var_61; [L227] state_191 = init_192_arg_1 [L228] SORT_3 init_197_arg_1 = var_61; [L229] state_196 = init_197_arg_1 [L230] SORT_3 init_200_arg_1 = var_61; [L231] state_199 = init_200_arg_1 [L232] SORT_3 init_209_arg_1 = var_61; [L233] state_208 = init_209_arg_1 [L234] SORT_3 init_222_arg_1 = var_61; [L235] state_221 = init_222_arg_1 [L236] SORT_3 init_235_arg_1 = var_61; [L237] state_234 = init_235_arg_1 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L240] input_2 = __VERIFIER_nondet_uchar() [L241] input_4 = __VERIFIER_nondet_uchar() [L242] input_5 = __VERIFIER_nondet_uchar() [L243] input_7 = __VERIFIER_nondet_uchar() [L244] EXPR input_7 & mask_SORT_6 VAL [mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L244] input_7 = input_7 & mask_SORT_6 [L245] input_8 = __VERIFIER_nondet_uchar() [L246] input_9 = __VERIFIER_nondet_uchar() [L247] input_10 = __VERIFIER_nondet_uchar() [L248] input_11 = __VERIFIER_nondet_uchar() [L249] input_13 = __VERIFIER_nondet_uchar() [L250] input_14 = __VERIFIER_nondet_uchar() [L251] input_15 = __VERIFIER_nondet_uchar() [L252] input_17 = __VERIFIER_nondet_uchar() [L253] input_18 = __VERIFIER_nondet_uchar() [L254] input_19 = __VERIFIER_nondet_uchar() [L255] input_20 = __VERIFIER_nondet_uchar() [L256] input_368 = __VERIFIER_nondet_uchar() [L257] input_390 = __VERIFIER_nondet_uchar() [L258] input_405 = __VERIFIER_nondet_uchar() [L259] input_420 = __VERIFIER_nondet_uchar() [L260] input_435 = __VERIFIER_nondet_uchar() [L261] input_450 = __VERIFIER_nondet_uchar() [L262] input_465 = __VERIFIER_nondet_uchar() [L263] input_480 = __VERIFIER_nondet_uchar() [L264] input_495 = __VERIFIER_nondet_uchar() [L265] input_510 = __VERIFIER_nondet_uchar() [L266] input_525 = __VERIFIER_nondet_uchar() [L267] input_540 = __VERIFIER_nondet_uchar() [L268] input_555 = __VERIFIER_nondet_uchar() [L269] input_570 = __VERIFIER_nondet_uchar() [L270] input_585 = __VERIFIER_nondet_uchar() [L271] input_600 = __VERIFIER_nondet_uchar() [L272] input_616 = __VERIFIER_nondet_uchar() [L273] input_618 = __VERIFIER_nondet_uchar() [L274] input_620 = __VERIFIER_nondet_uchar() [L275] input_622 = __VERIFIER_nondet_uchar() [L276] input_624 = __VERIFIER_nondet_uchar() [L277] input_626 = __VERIFIER_nondet_uchar() [L278] input_628 = __VERIFIER_nondet_uchar() [L279] input_630 = __VERIFIER_nondet_uchar() [L280] input_635 = __VERIFIER_nondet_uchar() [L281] input_676 = __VERIFIER_nondet_uchar() [L282] input_677 = __VERIFIER_nondet_uchar() [L283] input_678 = __VERIFIER_nondet_uchar() [L284] input_679 = __VERIFIER_nondet_uchar() [L285] input_682 = __VERIFIER_nondet_uchar() [L286] input_686 = __VERIFIER_nondet_uchar() [L287] input_690 = __VERIFIER_nondet_uchar() [L288] input_698 = __VERIFIER_nondet_uchar() [L289] input_702 = __VERIFIER_nondet_uchar() [L290] input_704 = __VERIFIER_nondet_uchar() [L291] input_708 = __VERIFIER_nondet_uchar() [L292] input_711 = __VERIFIER_nondet_uchar() [L293] input_715 = __VERIFIER_nondet_uchar() [L294] input_720 = __VERIFIER_nondet_uchar() [L295] input_724 = __VERIFIER_nondet_uchar() [L296] input_729 = __VERIFIER_nondet_uchar() [L297] input_731 = __VERIFIER_nondet_uchar() [L298] input_732 = __VERIFIER_nondet_uchar() [L299] input_734 = __VERIFIER_nondet_uchar() [L300] input_738 = __VERIFIER_nondet_uchar() [L301] input_743 = __VERIFIER_nondet_uchar() [L302] input_750 = __VERIFIER_nondet_uchar() [L303] input_751 = __VERIFIER_nondet_uchar() [L304] input_753 = __VERIFIER_nondet_uchar() [L305] input_757 = __VERIFIER_nondet_uchar() [L306] input_762 = __VERIFIER_nondet_uchar() [L307] input_764 = __VERIFIER_nondet_uchar() [L308] input_765 = __VERIFIER_nondet_uchar() [L309] input_767 = __VERIFIER_nondet_uchar() [L310] input_771 = __VERIFIER_nondet_uchar() [L311] input_776 = __VERIFIER_nondet_uchar() [L312] input_780 = __VERIFIER_nondet_uchar() [L313] input_785 = __VERIFIER_nondet_uchar() [L314] input_787 = __VERIFIER_nondet_uchar() [L315] input_793 = __VERIFIER_nondet_uchar() [L316] input_805 = __VERIFIER_nondet_uchar() [L317] input_810 = __VERIFIER_nondet_uchar() [L318] input_819 = __VERIFIER_nondet_uchar() [L319] input_838 = __VERIFIER_nondet_uchar() [L320] input_845 = __VERIFIER_nondet_uchar() [L321] input_856 = __VERIFIER_nondet_uchar() [L322] input_862 = __VERIFIER_nondet_uchar() [L323] input_868 = __VERIFIER_nondet_uchar() [L324] input_874 = __VERIFIER_nondet_uchar() [L325] input_880 = __VERIFIER_nondet_uchar() [L326] input_886 = __VERIFIER_nondet_uchar() [L327] input_892 = __VERIFIER_nondet_uchar() [L328] input_898 = __VERIFIER_nondet_uchar() [L329] input_904 = __VERIFIER_nondet_uchar() [L330] input_910 = __VERIFIER_nondet_uchar() [L331] input_916 = __VERIFIER_nondet_uchar() [L332] input_922 = __VERIFIER_nondet_uchar() [L333] input_928 = __VERIFIER_nondet_uchar() [L336] SORT_21 var_25_arg_0 = state_23; [L337] SORT_21 var_25_arg_1 = var_22; [L338] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L339] SORT_21 var_27_arg_0 = state_23; [L340] SORT_21 var_27_arg_1 = var_26; [L341] SORT_3 var_27 = var_27_arg_0 == var_27_arg_1; [L342] SORT_3 var_28_arg_0 = var_25; [L343] SORT_3 var_28_arg_1 = var_27; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28_arg_0=1, var_28_arg_1=0, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L344] EXPR var_28_arg_0 | var_28_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L344] SORT_3 var_28 = var_28_arg_0 | var_28_arg_1; [L345] SORT_21 var_30_arg_0 = state_23; [L346] SORT_21 var_30_arg_1 = var_29; [L347] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L348] SORT_21 var_34_arg_0 = state_31; [L349] SORT_21 var_34_arg_1 = var_33; [L350] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L351] SORT_21 var_35_arg_0 = state_31; [L352] SORT_21 var_35_arg_1 = var_22; [L353] SORT_3 var_35 = var_35_arg_0 == var_35_arg_1; [L354] SORT_3 var_36_arg_0 = var_34; [L355] SORT_3 var_36_arg_1 = var_35; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L356] EXPR var_36_arg_0 | var_36_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L356] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L357] SORT_21 var_38_arg_0 = state_31; [L358] SORT_21 var_38_arg_1 = var_37; [L359] SORT_3 var_38 = var_38_arg_0 == var_38_arg_1; [L360] SORT_3 var_39_arg_0 = var_36; [L361] SORT_3 var_39_arg_1 = var_38; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_39_arg_0=1, var_39_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L362] EXPR var_39_arg_0 | var_39_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L362] SORT_3 var_39 = var_39_arg_0 | var_39_arg_1; [L363] SORT_21 var_40_arg_0 = state_31; [L364] SORT_21 var_40_arg_1 = var_29; [L365] SORT_3 var_40 = var_40_arg_0 == var_40_arg_1; [L366] SORT_3 var_41_arg_0 = var_39; [L367] SORT_3 var_41_arg_1 = var_40; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_41_arg_0=1, var_41_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L368] EXPR var_41_arg_0 | var_41_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_30=0, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L368] SORT_3 var_41 = var_41_arg_0 | var_41_arg_1; [L369] SORT_3 var_42_arg_0 = var_30; [L370] SORT_3 var_42_arg_1 = var_41; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_33=8, var_37=0, var_42_arg_0=0, var_42_arg_1=1, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L371] EXPR var_42_arg_0 & var_42_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_28=1, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L371] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L372] SORT_3 var_43_arg_0 = var_28; [L373] SORT_3 var_43_arg_1 = var_42; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_43_arg_0=1, var_43_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L374] EXPR var_43_arg_0 | var_43_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L374] SORT_3 var_43 = var_43_arg_0 | var_43_arg_1; [L375] SORT_21 var_44_arg_0 = state_23; [L376] SORT_21 var_44_arg_1 = var_33; [L377] SORT_3 var_44 = var_44_arg_0 == var_44_arg_1; [L378] SORT_3 var_45_arg_0 = var_43; [L379] SORT_3 var_45_arg_1 = var_44; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_45_arg_0=1, var_45_arg_1=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L380] EXPR var_45_arg_0 | var_45_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L380] SORT_3 var_45 = var_45_arg_0 | var_45_arg_1; [L381] SORT_21 var_47_arg_0 = state_23; [L382] SORT_21 var_47_arg_1 = var_46; [L383] SORT_3 var_47 = var_47_arg_0 == var_47_arg_1; [L384] SORT_3 var_48_arg_0 = var_45; [L385] SORT_3 var_48_arg_1 = var_47; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_48_arg_0=1, var_48_arg_1=0, var_49=32, var_52=64, var_57=1, var_61=0] [L386] EXPR var_48_arg_0 | var_48_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L386] SORT_3 var_48 = var_48_arg_0 | var_48_arg_1; [L387] SORT_21 var_50_arg_0 = state_23; [L388] SORT_21 var_50_arg_1 = var_49; [L389] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L390] SORT_3 var_51_arg_0 = var_48; [L391] SORT_3 var_51_arg_1 = var_50; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_51_arg_0=1, var_51_arg_1=0, var_52=64, var_57=1, var_61=0] [L392] EXPR var_51_arg_0 | var_51_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L392] SORT_3 var_51 = var_51_arg_0 | var_51_arg_1; [L393] SORT_21 var_53_arg_0 = state_23; [L394] SORT_21 var_53_arg_1 = var_52; [L395] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L396] SORT_3 var_54_arg_0 = var_51; [L397] SORT_3 var_54_arg_1 = var_53; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_54_arg_0=1, var_54_arg_1=0, var_57=1, var_61=0] [L398] EXPR var_54_arg_0 | var_54_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_23=1, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L398] SORT_3 var_54 = var_54_arg_0 | var_54_arg_1; [L399] SORT_21 var_55_arg_0 = state_23; [L400] SORT_21 var_55_arg_1 = var_37; [L401] SORT_3 var_55 = var_55_arg_0 == var_55_arg_1; [L402] SORT_3 var_56_arg_0 = var_54; [L403] SORT_3 var_56_arg_1 = var_55; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_56_arg_0=1, var_56_arg_1=0, var_57=1, var_61=0] [L404] EXPR var_56_arg_0 | var_56_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L404] SORT_3 var_56 = var_56_arg_0 | var_56_arg_1; [L405] SORT_3 var_58_arg_0 = var_56; [L406] SORT_3 var_58 = ~var_58_arg_0; [L407] SORT_3 var_59_arg_0 = var_57; [L408] SORT_3 var_59_arg_1 = var_58; VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_59_arg_0=1, var_59_arg_1=-2, var_61=0] [L409] EXPR var_59_arg_0 & var_59_arg_1 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L409] SORT_3 var_59 = var_59_arg_0 & var_59_arg_1; [L410] EXPR var_59 & mask_SORT_3 VAL [input_7=0, mask_SORT_1=3, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, state_111=0, state_114=0, state_116=0, state_120=0, state_124=0, state_129=0, state_132=0, state_142=0, state_149=0, state_152=0, state_161=0, state_166=0, state_169=0, state_181=0, state_191=0, state_196=0, state_199=0, state_208=0, state_221=0, state_234=0, state_31=1, state_62=0, state_64=0, state_66=0, state_70=0, state_74=0, state_78=0, state_94=0, var_146=0, var_22=1, var_26=2, var_29=4, var_33=8, var_37=0, var_46=16, var_49=32, var_52=64, var_57=1, var_61=0] [L410] var_59 = var_59 & mask_SORT_3 [L411] SORT_3 bad_60_arg_0 = var_59; [L412] CALL __VERIFIER_assert(!(bad_60_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1130 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30993 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30993 mSDsluCounter, 150919 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120896 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2417 IncrementalHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 30023 mSDtfsCounter, 2417 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1215occurred in iteration=15, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 1920 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 1852 NumberOfCodeBlocks, 1852 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1731 ConstructedInterpolants, 0 QuantifiedInterpolants, 8953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 02:06:50,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:06:52,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:06:52,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-20 02:06:52,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:06:52,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:06:52,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:06:52,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:06:52,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:06:52,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:06:52,766 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:06:52,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:06:52,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:06:52,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:06:52,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:06:52,771 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:06:52,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:06:52,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:06:52,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:06:52,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:06:52,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:06:52,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:06:52,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 02:06:52,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 02:06:52,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:06:52,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 02:06:52,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:06:52,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:06:52,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:06:52,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:06:52,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:06:52,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:06:52,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:06:52,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:06:52,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:06:52,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:06:52,781 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 02:06:52,781 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 02:06:52,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:06:52,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:06:52,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:06:52,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:06:52,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f [2024-11-20 02:06:53,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:06:53,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:06:53,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:06:53,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:06:53,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:06:53,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-20 02:06:54,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:06:55,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:06:55,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-20 02:06:55,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173afacbe/02c75f064d3d45be89679f5900bad228/FLAG159926112 [2024-11-20 02:06:55,357 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173afacbe/02c75f064d3d45be89679f5900bad228 [2024-11-20 02:06:55,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:06:55,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:06:55,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:06:55,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:06:55,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:06:55,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:06:55" (1/1) ... [2024-11-20 02:06:55,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ecbc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:55, skipping insertion in model container [2024-11-20 02:06:55,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:06:55" (1/1) ... [2024-11-20 02:06:55,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:06:55,687 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.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-20 02:06:56,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:06:56,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:06:56,129 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.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-11-20 02:06:56,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:06:56,328 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:06:56,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56 WrapperNode [2024-11-20 02:06:56,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:06:56,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:06:56,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:06:56,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:06:56,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,557 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2641 [2024-11-20 02:06:56,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:06:56,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:06:56,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:06:56,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:06:56,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,656 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]. [2024-11-20 02:06:56,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:06:56,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:06:56,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:06:56,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:06:56,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (1/1) ... [2024-11-20 02:06:56,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:06:56,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:06:56,852 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) [2024-11-20 02:06:56,855 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 [2024-11-20 02:06:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:06:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 02:06:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:06:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:06:57,365 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:06:57,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:07:00,450 INFO L? ?]: Removed 183 outVars from TransFormulas that were not future-live. [2024-11-20 02:07:00,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:07:00,463 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:07:00,464 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:07:00,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:00 BoogieIcfgContainer [2024-11-20 02:07:00,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:07:00,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:07:00,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:07:00,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:07:00,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:06:55" (1/3) ... [2024-11-20 02:07:00,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1681968d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:07:00, skipping insertion in model container [2024-11-20 02:07:00,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:06:56" (2/3) ... [2024-11-20 02:07:00,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1681968d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:07:00, skipping insertion in model container [2024-11-20 02:07:00,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:00" (3/3) ... [2024-11-20 02:07:00,475 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-11-20 02:07:00,494 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:07:00,494 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:07:00,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:07:00,571 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;@6b592edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:07:00,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:07:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:07:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 02:07:00,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:07:00,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 02:07:00,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:07:00,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:07:00,587 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-20 02:07:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:07:00,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581911453] [2024-11-20 02:07:00,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:07:00,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:07:00,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:07:00,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:07:00,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 02:07:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:07:01,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-20 02:07:01,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:07:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:07:01,344 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:07:01,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:07:01,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581911453] [2024-11-20 02:07:01,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581911453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:07:01,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:07:01,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:07:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916090382] [2024-11-20 02:07:01,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:07:01,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:07:01,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:07:01,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:07:01,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:07:01,395 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:07:01,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:07:01,491 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-20 02:07:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:07:01,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 02:07:01,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:07:01,503 INFO L225 Difference]: With dead ends: 17 [2024-11-20 02:07:01,504 INFO L226 Difference]: Without dead ends: 9 [2024-11-20 02:07:01,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:07:01,510 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:07:01,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:07:01,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-20 02:07:01,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-20 02:07:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:07:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-20 02:07:01,541 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-20 02:07:01,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:07:01,541 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-20 02:07:01,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:07:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-20 02:07:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 02:07:01,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:07:01,542 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-20 02:07:01,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 02:07:01,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:07:01,743 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:07:01,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:07:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-20 02:07:01,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:07:01,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717920237] [2024-11-20 02:07:01,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:07:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:07:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:07:01,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:07:01,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 02:07:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:07:02,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-20 02:07:02,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:07:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:07:02,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 02:07:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:07:07,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:07:07,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717920237] [2024-11-20 02:07:07,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717920237] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 02:07:07,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 02:07:07,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-20 02:07:07,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984452379] [2024-11-20 02:07:07,335 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 02:07:07,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 02:07:07,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:07:07,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 02:07:07,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2024-11-20 02:07:07,338 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:07:07,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:07:07,552 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-20 02:07:07,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:07:07,553 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 02:07:07,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:07:07,553 INFO L225 Difference]: With dead ends: 14 [2024-11-20 02:07:07,553 INFO L226 Difference]: Without dead ends: 12 [2024-11-20 02:07:07,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=28, Invalid=61, Unknown=1, NotChecked=0, Total=90 [2024-11-20 02:07:07,555 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:07:07,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:07:07,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-20 02:07:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-20 02:07:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:07:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-20 02:07:07,558 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-20 02:07:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:07:07,559 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-20 02:07:07,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:07:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-20 02:07:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-20 02:07:07,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:07:07,560 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-20 02:07:07,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-20 02:07:07,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:07:07,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:07:07,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:07:07,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-20 02:07:07,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:07:07,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690480519] [2024-11-20 02:07:07,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 02:07:07,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:07:07,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:07:07,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:07:07,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-20 02:07:08,933 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 02:07:08,933 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 02:07:08,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-20 02:07:08,986 INFO L278 TraceCheckSpWp]: Computing forward predicates...