./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 4a390ef5 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-dev-4a390ef-m [2024-10-24 04:58:47,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:58:47,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 04:58:47,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:58:47,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:58:47,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:58:47,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:58:47,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:58:47,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:58:47,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:58:47,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:58:47,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:58:47,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:58:47,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:58:47,997 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:58:47,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:58:47,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:58:47,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 04:58:47,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:58:47,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:58:47,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:58:47,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:58:47,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:58:47,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:58:47,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:58:47,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:58:48,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:58:48,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:58:48,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:58:48,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:58:48,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:58:48,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:58:48,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:58:48,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 04:58:48,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 04:58:48,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:58:48,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:58:48,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:58:48,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:58:48,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f [2024-10-24 04:58:48,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:58:48,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:58:48,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:58:48,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:58:48,213 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:58:48,214 INFO L431 ainManager$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 [2024-10-24 04:58:49,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:58:49,864 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:58:49,865 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 [2024-10-24 04:58:49,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677c3bcba/8ef3f1189d7a42579f49bcca98e7b867/FLAG0088a140e [2024-10-24 04:58:49,896 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/677c3bcba/8ef3f1189d7a42579f49bcca98e7b867 [2024-10-24 04:58:49,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:58:49,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:58:49,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:58:49,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:58:49,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:58:49,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:58:49" (1/1) ... [2024-10-24 04:58:49,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea25a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:49, skipping insertion in model container [2024-10-24 04:58:49,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:58:49" (1/1) ... [2024-10-24 04:58:49,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:58:50,166 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-10-24 04:58:50,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:58:50,421 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:58:50,431 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-10-24 04:58:50,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:58:50,725 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:58:50,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50 WrapperNode [2024-10-24 04:58:50,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:58:50,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:58:50,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:58:50,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:58:50,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:50,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,367 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4881 [2024-10-24 04:58:51,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:58:51,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:58:51,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:58:51,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:58:51,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,594 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 04:58:51,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:58:51,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:58:51,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:58:51,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:58:51,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (1/1) ... [2024-10-24 04:58:51,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:58:51,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:58:51,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 04:58:51,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 04:58:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:58:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 04:58:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:58:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:58:52,306 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:58:52,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:58:55,557 INFO L? ?]: Removed 3163 outVars from TransFormulas that were not future-live. [2024-10-24 04:58:55,558 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:58:55,641 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:58:55,641 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:58:55,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:58:55 BoogieIcfgContainer [2024-10-24 04:58:55,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:58:55,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:58:55,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:58:55,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:58:55,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:58:49" (1/3) ... [2024-10-24 04:58:55,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abb39b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:58:55, skipping insertion in model container [2024-10-24 04:58:55,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:58:50" (2/3) ... [2024-10-24 04:58:55,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abb39b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:58:55, skipping insertion in model container [2024-10-24 04:58:55,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:58:55" (3/3) ... [2024-10-24 04:58:55,650 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-10-24 04:58:55,662 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:58:55,662 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:58:55,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:58:55,755 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;@91cd3e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:58:55,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:58:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 1127 states, 1125 states have (on average 1.5004444444444445) internal successors, (1688), 1126 states have internal predecessors, (1688), 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) [2024-10-24 04:58:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-24 04:58:55,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:58:55,774 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] [2024-10-24 04:58:55,775 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:58:55,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:58:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1261099556, now seen corresponding path program 1 times [2024-10-24 04:58:55,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:58:55,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228841430] [2024-10-24 04:58:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:58:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:58:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:58:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:58:56,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:58:56,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228841430] [2024-10-24 04:58:56,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228841430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:58:56,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:58:56,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:58:56,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687349676] [2024-10-24 04:58:56,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:58:56,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:58:56,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:58:56,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:58:56,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:58:56,599 INFO L87 Difference]: Start difference. First operand has 1127 states, 1125 states have (on average 1.5004444444444445) internal successors, (1688), 1126 states have internal predecessors, (1688), 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 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-24 04:58:56,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:58:56,710 INFO L93 Difference]: Finished difference Result 2138 states and 3204 transitions. [2024-10-24 04:58:56,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:58:56,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 90 [2024-10-24 04:58:56,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:58:56,738 INFO L225 Difference]: With dead ends: 2138 [2024-10-24 04:58:56,739 INFO L226 Difference]: Without dead ends: 1128 [2024-10-24 04:58:56,746 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 [2024-10-24 04:58:56,749 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 0 mSDsluCounter, 3361 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5044 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:58:56,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5044 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:58:56,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-10-24 04:58:56,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2024-10-24 04:58:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1127 states have (on average 1.497781721384206) internal successors, (1688), 1127 states have internal predecessors, (1688), 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) [2024-10-24 04:58:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1688 transitions. [2024-10-24 04:58:56,827 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1688 transitions. Word has length 90 [2024-10-24 04:58:56,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:58:56,827 INFO L471 AbstractCegarLoop]: Abstraction has 1128 states and 1688 transitions. [2024-10-24 04:58:56,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-10-24 04:58:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1688 transitions. [2024-10-24 04:58:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-24 04:58:56,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:58:56,830 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] [2024-10-24 04:58:56,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 04:58:56,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:58:56,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:58:56,831 INFO L85 PathProgramCache]: Analyzing trace with hash -437684860, now seen corresponding path program 1 times [2024-10-24 04:58:56,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:58:56,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142935246] [2024-10-24 04:58:56,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:58:56,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:58:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:58:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:58:57,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:58:57,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142935246] [2024-10-24 04:58:57,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142935246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:58:57,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:58:57,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:58:57,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222448187] [2024-10-24 04:58:57,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:58:57,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:58:57,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:58:57,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:58:57,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:58:57,081 INFO L87 Difference]: Start difference. First operand 1128 states and 1688 transitions. 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) [2024-10-24 04:58:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:58:57,142 INFO L93 Difference]: Finished difference Result 2141 states and 3204 transitions. [2024-10-24 04:58:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:58:57,142 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 [2024-10-24 04:58:57,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:58:57,148 INFO L225 Difference]: With dead ends: 2141 [2024-10-24 04:58:57,148 INFO L226 Difference]: Without dead ends: 1130 [2024-10-24 04:58:57,150 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 [2024-10-24 04:58:57,151 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 0 mSDsluCounter, 3358 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5041 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:58:57,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5041 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:58:57,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-10-24 04:58:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1130. [2024-10-24 04:58:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1129 states have (on average 1.4968999114260408) internal successors, (1690), 1129 states have internal predecessors, (1690), 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) [2024-10-24 04:58:57,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1690 transitions. [2024-10-24 04:58:57,174 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1690 transitions. Word has length 91 [2024-10-24 04:58:57,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:58:57,174 INFO L471 AbstractCegarLoop]: Abstraction has 1130 states and 1690 transitions. [2024-10-24 04:58:57,174 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) [2024-10-24 04:58:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1690 transitions. [2024-10-24 04:58:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 04:58:57,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:58:57,176 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] [2024-10-24 04:58:57,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 04:58:57,176 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:58:57,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:58:57,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1781294155, now seen corresponding path program 1 times [2024-10-24 04:58:57,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:58:57,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18322401] [2024-10-24 04:58:57,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:58:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:58:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:58:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:58:57,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:58:57,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18322401] [2024-10-24 04:58:57,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18322401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:58:57,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:58:57,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:58:57,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207360738] [2024-10-24 04:58:57,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:58:57,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:58:57,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:58:57,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:58:57,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:58:57,732 INFO L87 Difference]: Start difference. First operand 1130 states and 1690 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 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) [2024-10-24 04:58:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:58:57,838 INFO L93 Difference]: Finished difference Result 2147 states and 3211 transitions. [2024-10-24 04:58:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:58:57,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 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 [2024-10-24 04:58:57,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:58:57,842 INFO L225 Difference]: With dead ends: 2147 [2024-10-24 04:58:57,842 INFO L226 Difference]: Without dead ends: 1134 [2024-10-24 04:58:57,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:58:57,844 INFO L432 NwaCegarLoop]: 1675 mSDtfsCounter, 1608 mSDsluCounter, 5020 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 6695 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:58:57,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 6695 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:58:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2024-10-24 04:58:57,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1133. [2024-10-24 04:58:57,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1132 states have (on average 1.495583038869258) internal successors, (1693), 1132 states have internal predecessors, (1693), 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) [2024-10-24 04:58:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1693 transitions. [2024-10-24 04:58:57,864 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1693 transitions. Word has length 92 [2024-10-24 04:58:57,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:58:57,865 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1693 transitions. [2024-10-24 04:58:57,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 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) [2024-10-24 04:58:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1693 transitions. [2024-10-24 04:58:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-24 04:58:57,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:58:57,867 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] [2024-10-24 04:58:57,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 04:58:57,867 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:58:57,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:58:57,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2115965593, now seen corresponding path program 1 times [2024-10-24 04:58:57,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:58:57,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386076748] [2024-10-24 04:58:57,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:58:57,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:58:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:58:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:58:58,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:58:58,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386076748] [2024-10-24 04:58:58,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386076748] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:58:58,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:58:58,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:58:58,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318689124] [2024-10-24 04:58:58,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:58:58,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:58:58,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:58:58,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:58:58,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:58:58,560 INFO L87 Difference]: Start difference. First operand 1133 states and 1693 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 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) [2024-10-24 04:58:58,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:58:58,674 INFO L93 Difference]: Finished difference Result 2193 states and 3277 transitions. [2024-10-24 04:58:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:58:58,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 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 [2024-10-24 04:58:58,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:58:58,678 INFO L225 Difference]: With dead ends: 2193 [2024-10-24 04:58:58,678 INFO L226 Difference]: Without dead ends: 1177 [2024-10-24 04:58:58,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:58:58,680 INFO L432 NwaCegarLoop]: 1667 mSDtfsCounter, 1751 mSDsluCounter, 3331 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 4998 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:58:58,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 4998 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:58:58,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-10-24 04:58:58,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1140. [2024-10-24 04:58:58,696 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) [2024-10-24 04:58:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1702 transitions. [2024-10-24 04:58:58,699 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1702 transitions. Word has length 93 [2024-10-24 04:58:58,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:58:58,699 INFO L471 AbstractCegarLoop]: Abstraction has 1140 states and 1702 transitions. [2024-10-24 04:58:58,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 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) [2024-10-24 04:58:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1702 transitions. [2024-10-24 04:58:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 04:58:58,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:58:58,701 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] [2024-10-24 04:58:58,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 04:58:58,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:58:58,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:58:58,702 INFO L85 PathProgramCache]: Analyzing trace with hash -649103509, now seen corresponding path program 1 times [2024-10-24 04:58:58,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:58:58,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510201266] [2024-10-24 04:58:58,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:58:58,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:58:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:58:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:58:59,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:58:59,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510201266] [2024-10-24 04:58:59,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510201266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:58:59,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:58:59,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 04:58:59,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896464271] [2024-10-24 04:58:59,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:58:59,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 04:58:59,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:58:59,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 04:58:59,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:58:59,222 INFO L87 Difference]: Start difference. First operand 1140 states and 1702 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 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) [2024-10-24 04:58:59,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:58:59,308 INFO L93 Difference]: Finished difference Result 2176 states and 3250 transitions. [2024-10-24 04:58:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 04:58:59,309 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 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 [2024-10-24 04:58:59,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:58:59,313 INFO L225 Difference]: With dead ends: 2176 [2024-10-24 04:58:59,313 INFO L226 Difference]: Without dead ends: 1160 [2024-10-24 04:58:59,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:58:59,315 INFO L432 NwaCegarLoop]: 1677 mSDtfsCounter, 18 mSDsluCounter, 8394 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10071 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:58:59,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 10071 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:58:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-24 04:58:59,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1157. [2024-10-24 04:58:59,330 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) [2024-10-24 04:58:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1726 transitions. [2024-10-24 04:58:59,332 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1726 transitions. Word has length 94 [2024-10-24 04:58:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:58:59,332 INFO L471 AbstractCegarLoop]: Abstraction has 1157 states and 1726 transitions. [2024-10-24 04:58:59,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 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) [2024-10-24 04:58:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1726 transitions. [2024-10-24 04:58:59,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 04:58:59,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:58:59,334 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] [2024-10-24 04:58:59,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 04:58:59,334 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:58:59,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:58:59,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1604147754, now seen corresponding path program 1 times [2024-10-24 04:58:59,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:58:59,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343693980] [2024-10-24 04:58:59,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:58:59,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:58:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:00,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:00,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343693980] [2024-10-24 04:59:00,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343693980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:00,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:00,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 04:59:00,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359428467] [2024-10-24 04:59:00,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:00,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 04:59:00,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:00,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 04:59:00,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 04:59:00,048 INFO L87 Difference]: Start difference. First operand 1157 states and 1726 transitions. Second operand has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-10-24 04:59:00,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:00,401 INFO L93 Difference]: Finished difference Result 2237 states and 3337 transitions. [2024-10-24 04:59:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 04:59:00,402 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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 [2024-10-24 04:59:00,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:00,405 INFO L225 Difference]: With dead ends: 2237 [2024-10-24 04:59:00,406 INFO L226 Difference]: Without dead ends: 1204 [2024-10-24 04:59:00,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2024-10-24 04:59:00,410 INFO L432 NwaCegarLoop]: 1655 mSDtfsCounter, 1756 mSDsluCounter, 8455 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 10110 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:00,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 10110 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:59:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-10-24 04:59:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1185. [2024-10-24 04:59:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1184 states have (on average 1.491554054054054) internal successors, (1766), 1184 states have internal predecessors, (1766), 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) [2024-10-24 04:59:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1766 transitions. [2024-10-24 04:59:00,429 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1766 transitions. Word has length 95 [2024-10-24 04:59:00,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:00,429 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1766 transitions. [2024-10-24 04:59:00,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 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) [2024-10-24 04:59:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1766 transitions. [2024-10-24 04:59:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 04:59:00,433 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:00,433 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] [2024-10-24 04:59:00,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 04:59:00,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:00,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:00,434 INFO L85 PathProgramCache]: Analyzing trace with hash -21677351, now seen corresponding path program 1 times [2024-10-24 04:59:00,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:00,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926388088] [2024-10-24 04:59:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:00,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:01,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:01,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926388088] [2024-10-24 04:59:01,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926388088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:01,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:01,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 04:59:01,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741950874] [2024-10-24 04:59:01,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:01,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 04:59:01,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:01,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 04:59:01,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 04:59:01,011 INFO L87 Difference]: Start difference. First operand 1185 states and 1766 transitions. Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 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) [2024-10-24 04:59:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:01,293 INFO L93 Difference]: Finished difference Result 2240 states and 3338 transitions. [2024-10-24 04:59:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 04:59:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 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 [2024-10-24 04:59:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:01,297 INFO L225 Difference]: With dead ends: 2240 [2024-10-24 04:59:01,297 INFO L226 Difference]: Without dead ends: 1204 [2024-10-24 04:59:01,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-10-24 04:59:01,299 INFO L432 NwaCegarLoop]: 1657 mSDtfsCounter, 1767 mSDsluCounter, 6746 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:01,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 8403 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:59:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-10-24 04:59:01,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1185. [2024-10-24 04:59:01,312 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) [2024-10-24 04:59:01,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1765 transitions. [2024-10-24 04:59:01,314 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1765 transitions. Word has length 96 [2024-10-24 04:59:01,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:01,314 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1765 transitions. [2024-10-24 04:59:01,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 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) [2024-10-24 04:59:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1765 transitions. [2024-10-24 04:59:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 04:59:01,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:01,315 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] [2024-10-24 04:59:01,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 04:59:01,315 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:01,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:01,316 INFO L85 PathProgramCache]: Analyzing trace with hash -93005871, now seen corresponding path program 1 times [2024-10-24 04:59:01,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:01,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029824335] [2024-10-24 04:59:01,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:01,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:01,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:01,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029824335] [2024-10-24 04:59:01,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029824335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:01,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:01,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:59:01,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012468400] [2024-10-24 04:59:01,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:01,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:59:01,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:01,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:59:01,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:59:01,759 INFO L87 Difference]: Start difference. First operand 1185 states and 1765 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-10-24 04:59:01,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:01,916 INFO L93 Difference]: Finished difference Result 2240 states and 3339 transitions. [2024-10-24 04:59:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:59:01,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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 [2024-10-24 04:59:01,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:01,920 INFO L225 Difference]: With dead ends: 2240 [2024-10-24 04:59:01,920 INFO L226 Difference]: Without dead ends: 1207 [2024-10-24 04:59:01,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 04:59:01,922 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 1746 mSDsluCounter, 3425 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 5087 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 [2024-10-24 04:59:01,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 5087 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:01,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-10-24 04:59:01,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1195. [2024-10-24 04:59:01,938 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) [2024-10-24 04:59:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1779 transitions. [2024-10-24 04:59:01,940 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1779 transitions. Word has length 97 [2024-10-24 04:59:01,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:01,940 INFO L471 AbstractCegarLoop]: Abstraction has 1195 states and 1779 transitions. [2024-10-24 04:59:01,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-10-24 04:59:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1779 transitions. [2024-10-24 04:59:01,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 04:59:01,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:01,941 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] [2024-10-24 04:59:01,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 04:59:01,941 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:01,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:01,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1002897299, now seen corresponding path program 1 times [2024-10-24 04:59:01,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:01,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905586249] [2024-10-24 04:59:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:02,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:02,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905586249] [2024-10-24 04:59:02,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905586249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:02,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:02,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:59:02,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588886153] [2024-10-24 04:59:02,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:02,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:59:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:02,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:59:02,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:59:02,247 INFO L87 Difference]: Start difference. First operand 1195 states and 1779 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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) [2024-10-24 04:59:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:02,360 INFO L93 Difference]: Finished difference Result 2243 states and 3342 transitions. [2024-10-24 04:59:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:59:02,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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 [2024-10-24 04:59:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:02,364 INFO L225 Difference]: With dead ends: 2243 [2024-10-24 04:59:02,364 INFO L226 Difference]: Without dead ends: 1204 [2024-10-24 04:59:02,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:59:02,368 INFO L432 NwaCegarLoop]: 1665 mSDtfsCounter, 1735 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 4994 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:02,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 4994 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:02,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-10-24 04:59:02,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1194. [2024-10-24 04:59:02,382 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) [2024-10-24 04:59:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1776 transitions. [2024-10-24 04:59:02,385 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1776 transitions. Word has length 97 [2024-10-24 04:59:02,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:02,386 INFO L471 AbstractCegarLoop]: Abstraction has 1194 states and 1776 transitions. [2024-10-24 04:59:02,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 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) [2024-10-24 04:59:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1776 transitions. [2024-10-24 04:59:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 04:59:02,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:02,387 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] [2024-10-24 04:59:02,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 04:59:02,387 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:02,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash 49822566, now seen corresponding path program 1 times [2024-10-24 04:59:02,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:02,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094461698] [2024-10-24 04:59:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:02,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:02,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094461698] [2024-10-24 04:59:02,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094461698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:02,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:02,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:59:02,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597111247] [2024-10-24 04:59:02,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:02,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:59:02,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:02,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:59:02,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:59:02,770 INFO L87 Difference]: Start difference. First operand 1194 states and 1776 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-10-24 04:59:02,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:02,931 INFO L93 Difference]: Finished difference Result 2242 states and 3336 transitions. [2024-10-24 04:59:02,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:59:02,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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 [2024-10-24 04:59:02,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:02,934 INFO L225 Difference]: With dead ends: 2242 [2024-10-24 04:59:02,934 INFO L226 Difference]: Without dead ends: 1189 [2024-10-24 04:59:02,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 04:59:02,936 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 1734 mSDsluCounter, 6654 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 8320 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:02,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 8320 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:02,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-10-24 04:59:02,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1182. [2024-10-24 04:59:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1181 states have (on average 1.487722269263336) internal successors, (1757), 1181 states have internal predecessors, (1757), 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) [2024-10-24 04:59:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1757 transitions. [2024-10-24 04:59:02,951 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1757 transitions. Word has length 97 [2024-10-24 04:59:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:02,951 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1757 transitions. [2024-10-24 04:59:02,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-10-24 04:59:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1757 transitions. [2024-10-24 04:59:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 04:59:02,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:02,952 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] [2024-10-24 04:59:02,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 04:59:02,952 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:02,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:02,952 INFO L85 PathProgramCache]: Analyzing trace with hash -232952711, now seen corresponding path program 1 times [2024-10-24 04:59:02,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:02,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679206531] [2024-10-24 04:59:02,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:02,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:03,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:03,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679206531] [2024-10-24 04:59:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679206531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:03,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:03,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 04:59:03,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481590112] [2024-10-24 04:59:03,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:03,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 04:59:03,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:03,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 04:59:03,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 04:59:03,785 INFO L87 Difference]: Start difference. First operand 1182 states and 1757 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 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) [2024-10-24 04:59:04,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:04,120 INFO L93 Difference]: Finished difference Result 2229 states and 3320 transitions. [2024-10-24 04:59:04,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 04:59:04,120 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 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 [2024-10-24 04:59:04,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:04,123 INFO L225 Difference]: With dead ends: 2229 [2024-10-24 04:59:04,123 INFO L226 Difference]: Without dead ends: 1196 [2024-10-24 04:59:04,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2024-10-24 04:59:04,125 INFO L432 NwaCegarLoop]: 1656 mSDtfsCounter, 1718 mSDsluCounter, 8436 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 10092 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:04,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 10092 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:59:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-10-24 04:59:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1189. [2024-10-24 04:59:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1188 states have (on average 1.4873737373737375) internal successors, (1767), 1188 states have internal predecessors, (1767), 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) [2024-10-24 04:59:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1767 transitions. [2024-10-24 04:59:04,140 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1767 transitions. Word has length 98 [2024-10-24 04:59:04,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:04,140 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1767 transitions. [2024-10-24 04:59:04,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 12 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) [2024-10-24 04:59:04,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1767 transitions. [2024-10-24 04:59:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 04:59:04,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:04,141 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] [2024-10-24 04:59:04,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 04:59:04,141 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:04,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:04,141 INFO L85 PathProgramCache]: Analyzing trace with hash -888611011, now seen corresponding path program 1 times [2024-10-24 04:59:04,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:04,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266431971] [2024-10-24 04:59:04,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:04,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:04,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:04,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266431971] [2024-10-24 04:59:04,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266431971] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:04,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:04,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:59:04,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645710918] [2024-10-24 04:59:04,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:04,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:59:04,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:04,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:59:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:59:04,741 INFO L87 Difference]: Start difference. First operand 1189 states and 1767 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 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) [2024-10-24 04:59:04,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:04,928 INFO L93 Difference]: Finished difference Result 2232 states and 3321 transitions. [2024-10-24 04:59:04,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:59:04,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 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 [2024-10-24 04:59:04,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:04,932 INFO L225 Difference]: With dead ends: 2232 [2024-10-24 04:59:04,932 INFO L226 Difference]: Without dead ends: 1196 [2024-10-24 04:59:04,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 04:59:04,935 INFO L432 NwaCegarLoop]: 1661 mSDtfsCounter, 1714 mSDsluCounter, 5020 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:04,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 6681 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:04,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-10-24 04:59:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1189. [2024-10-24 04:59:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1188 states have (on average 1.4865319865319866) internal successors, (1766), 1188 states have internal predecessors, (1766), 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) [2024-10-24 04:59:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1766 transitions. [2024-10-24 04:59:04,953 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1766 transitions. Word has length 98 [2024-10-24 04:59:04,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:04,954 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1766 transitions. [2024-10-24 04:59:04,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 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) [2024-10-24 04:59:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1766 transitions. [2024-10-24 04:59:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 04:59:04,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:04,955 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] [2024-10-24 04:59:04,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 04:59:04,955 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:04,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash -662943812, now seen corresponding path program 1 times [2024-10-24 04:59:04,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:04,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421448668] [2024-10-24 04:59:04,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:05,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:05,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421448668] [2024-10-24 04:59:05,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421448668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:05,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:05,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-24 04:59:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111272448] [2024-10-24 04:59:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:05,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-24 04:59:05,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:05,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-24 04:59:05,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-10-24 04:59:05,863 INFO L87 Difference]: Start difference. First operand 1189 states and 1766 transitions. Second operand has 19 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 18 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) [2024-10-24 04:59:06,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:06,438 INFO L93 Difference]: Finished difference Result 2252 states and 3353 transitions. [2024-10-24 04:59:06,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 04:59:06,439 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 18 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 [2024-10-24 04:59:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:06,442 INFO L225 Difference]: With dead ends: 2252 [2024-10-24 04:59:06,442 INFO L226 Difference]: Without dead ends: 1219 [2024-10-24 04:59:06,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-10-24 04:59:06,444 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 1647 mSDsluCounter, 26612 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 28278 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:06,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 28278 Invalid, 744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 04:59:06,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-10-24 04:59:06,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1209. [2024-10-24 04:59:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1208 states have (on average 1.4892384105960266) internal successors, (1799), 1208 states have internal predecessors, (1799), 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) [2024-10-24 04:59:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1799 transitions. [2024-10-24 04:59:06,465 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1799 transitions. Word has length 99 [2024-10-24 04:59:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:06,465 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1799 transitions. [2024-10-24 04:59:06,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 18 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) [2024-10-24 04:59:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1799 transitions. [2024-10-24 04:59:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 04:59:06,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:06,466 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] [2024-10-24 04:59:06,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 04:59:06,466 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:06,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:06,467 INFO L85 PathProgramCache]: Analyzing trace with hash -48649324, now seen corresponding path program 1 times [2024-10-24 04:59:06,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:06,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748533560] [2024-10-24 04:59:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:06,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:06,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:06,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748533560] [2024-10-24 04:59:06,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748533560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:06,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:06,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:59:06,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645780593] [2024-10-24 04:59:06,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:06,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:59:06,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:06,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:59:06,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:59:06,898 INFO L87 Difference]: Start difference. First operand 1209 states and 1799 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 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) [2024-10-24 04:59:07,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:07,008 INFO L93 Difference]: Finished difference Result 2264 states and 3376 transitions. [2024-10-24 04:59:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:59:07,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 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 [2024-10-24 04:59:07,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:07,011 INFO L225 Difference]: With dead ends: 2264 [2024-10-24 04:59:07,012 INFO L226 Difference]: Without dead ends: 1211 [2024-10-24 04:59:07,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:59:07,014 INFO L432 NwaCegarLoop]: 1666 mSDtfsCounter, 1699 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 4995 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 [2024-10-24 04:59:07,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 4995 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:07,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-10-24 04:59:07,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1209. [2024-10-24 04:59:07,027 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) [2024-10-24 04:59:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1798 transitions. [2024-10-24 04:59:07,028 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1798 transitions. Word has length 99 [2024-10-24 04:59:07,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:07,029 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1798 transitions. [2024-10-24 04:59:07,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 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) [2024-10-24 04:59:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1798 transitions. [2024-10-24 04:59:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 04:59:07,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:07,030 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] [2024-10-24 04:59:07,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 04:59:07,030 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:07,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:07,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1806843328, now seen corresponding path program 1 times [2024-10-24 04:59:07,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:07,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885255103] [2024-10-24 04:59:07,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:07,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:07,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:07,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885255103] [2024-10-24 04:59:07,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885255103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:07,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:07,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:59:07,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502416531] [2024-10-24 04:59:07,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:07,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:59:07,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:07,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:59:07,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:59:07,609 INFO L87 Difference]: Start difference. First operand 1209 states and 1798 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 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) [2024-10-24 04:59:07,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:07,835 INFO L93 Difference]: Finished difference Result 3158 states and 4702 transitions. [2024-10-24 04:59:07,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:59:07,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 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 [2024-10-24 04:59:07,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:07,841 INFO L225 Difference]: With dead ends: 3158 [2024-10-24 04:59:07,841 INFO L226 Difference]: Without dead ends: 2077 [2024-10-24 04:59:07,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-24 04:59:07,842 INFO L432 NwaCegarLoop]: 1657 mSDtfsCounter, 2956 mSDsluCounter, 6625 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 8282 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:07,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2956 Valid, 8282 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:59:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2024-10-24 04:59:07,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1212. [2024-10-24 04:59:07,857 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) [2024-10-24 04:59:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1800 transitions. [2024-10-24 04:59:07,859 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1800 transitions. Word has length 100 [2024-10-24 04:59:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:07,859 INFO L471 AbstractCegarLoop]: Abstraction has 1212 states and 1800 transitions. [2024-10-24 04:59:07,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 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) [2024-10-24 04:59:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1800 transitions. [2024-10-24 04:59:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 04:59:07,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:07,860 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] [2024-10-24 04:59:07,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 04:59:07,860 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:07,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:07,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1317092170, now seen corresponding path program 1 times [2024-10-24 04:59:07,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:07,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544270925] [2024-10-24 04:59:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:07,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:08,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:59:08,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544270925] [2024-10-24 04:59:08,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544270925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:08,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:08,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:59:08,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586215711] [2024-10-24 04:59:08,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:08,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:59:08,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:59:08,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:59:08,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:59:08,243 INFO L87 Difference]: Start difference. First operand 1212 states and 1800 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 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) [2024-10-24 04:59:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:08,461 INFO L93 Difference]: Finished difference Result 3154 states and 4693 transitions. [2024-10-24 04:59:08,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:59:08,462 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 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 [2024-10-24 04:59:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:08,467 INFO L225 Difference]: With dead ends: 3154 [2024-10-24 04:59:08,467 INFO L226 Difference]: Without dead ends: 2081 [2024-10-24 04:59:08,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 04:59:08,469 INFO L432 NwaCegarLoop]: 1658 mSDtfsCounter, 4285 mSDsluCounter, 6275 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4285 SdHoareTripleChecker+Valid, 7933 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:08,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4285 Valid, 7933 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2081 states. [2024-10-24 04:59:08,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2081 to 1214. [2024-10-24 04:59:08,486 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) [2024-10-24 04:59:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1802 transitions. [2024-10-24 04:59:08,488 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1802 transitions. Word has length 101 [2024-10-24 04:59:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:08,489 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1802 transitions. [2024-10-24 04:59:08,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 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) [2024-10-24 04:59:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1802 transitions. [2024-10-24 04:59:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 04:59:08,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:08,489 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] [2024-10-24 04:59:08,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 04:59:08,490 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:08,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:08,490 INFO L85 PathProgramCache]: Analyzing trace with hash -416206873, now seen corresponding path program 1 times [2024-10-24 04:59:08,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:59:08,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326809109] [2024-10-24 04:59:08,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:08,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:59:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:59:08,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 04:59:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:59:08,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 04:59:08,659 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 04:59:08,660 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 04:59:08,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 04:59:08,664 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:59:08,761 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 04:59:08,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:59:08 BoogieIcfgContainer [2024-10-24 04:59:08,764 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 04:59:08,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 04:59:08,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 04:59:08,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 04:59:08,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:58:55" (3/4) ... [2024-10-24 04:59:08,767 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 04:59:08,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 04:59:08,769 INFO L158 Benchmark]: Toolchain (without parser) took 18868.74ms. Allocated memory was 218.1MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 183.8MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-10-24 04:59:08,769 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory was 101.3MB in the beginning and 101.2MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:59:08,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.07ms. Allocated memory is still 218.1MB. Free memory was 183.6MB in the beginning and 153.4MB in the end (delta: 30.2MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2024-10-24 04:59:08,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 641.52ms. Allocated memory was 218.1MB in the beginning and 440.4MB in the end (delta: 222.3MB). Free memory was 153.4MB in the beginning and 325.3MB in the end (delta: -171.9MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2024-10-24 04:59:08,770 INFO L158 Benchmark]: Boogie Preprocessor took 475.22ms. Allocated memory is still 440.4MB. Free memory was 325.3MB in the beginning and 289.4MB in the end (delta: 35.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-10-24 04:59:08,770 INFO L158 Benchmark]: RCFGBuilder took 3798.13ms. Allocated memory was 440.4MB in the beginning and 880.8MB in the end (delta: 440.4MB). Free memory was 289.4MB in the beginning and 648.2MB in the end (delta: -358.8MB). Peak memory consumption was 202.4MB. Max. memory is 16.1GB. [2024-10-24 04:59:08,770 INFO L158 Benchmark]: TraceAbstraction took 13120.44ms. Allocated memory was 880.8MB in the beginning and 2.5GB in the end (delta: 1.6GB). Free memory was 647.1MB in the beginning and 1.4GB in the end (delta: -765.3MB). Peak memory consumption was 833.8MB. Max. memory is 16.1GB. [2024-10-24 04:59:08,771 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 2.5GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:59:08,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory was 101.3MB in the beginning and 101.2MB in the end (delta: 140.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.07ms. Allocated memory is still 218.1MB. Free memory was 183.6MB in the beginning and 153.4MB in the end (delta: 30.2MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 641.52ms. Allocated memory was 218.1MB in the beginning and 440.4MB in the end (delta: 222.3MB). Free memory was 153.4MB in the beginning and 325.3MB in the end (delta: -171.9MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 475.22ms. Allocated memory is still 440.4MB. Free memory was 325.3MB in the beginning and 289.4MB in the end (delta: 35.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3798.13ms. Allocated memory was 440.4MB in the beginning and 880.8MB in the end (delta: 440.4MB). Free memory was 289.4MB in the beginning and 648.2MB in the end (delta: -358.8MB). Peak memory consumption was 202.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13120.44ms. Allocated memory was 880.8MB in the beginning and 2.5GB in the end (delta: 1.6GB). Free memory was 647.1MB in the beginning and 1.4GB in the end (delta: -765.3MB). Peak memory consumption was 833.8MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 2.5GB. Free memory is still 1.4GB. 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, 1127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26134 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26134 mSDsluCounter, 135024 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108370 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2372 IncrementalHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 26654 mSDtfsCounter, 2372 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1214occurred in iteration=16, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 1866 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 1639 NumberOfCodeBlocks, 1639 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1521 ConstructedInterpolants, 0 QuantifiedInterpolants, 7694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 [2024-10-24 04:59:08,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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-dev-4a390ef-m [2024-10-24 04:59:11,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:59:11,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-24 04:59:11,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:59:11,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:59:11,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:59:11,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:59:11,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:59:11,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:59:11,412 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:59:11,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:59:11,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:59:11,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:59:11,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:59:11,414 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:59:11,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:59:11,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:59:11,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:59:11,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:59:11,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:59:11,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:59:11,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 04:59:11,419 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 04:59:11,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:59:11,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 04:59:11,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:59:11,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:59:11,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:59:11,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:59:11,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:59:11,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:59:11,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:59:11,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:59:11,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:59:11,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:59:11,423 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 04:59:11,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 04:59:11,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:59:11,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:59:11,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:59:11,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:59:11,425 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 04:59:11,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eccc5bbdbaf49f286af1eaa6e037aac70bd43bbdd029365a1ddd6424cc3712f [2024-10-24 04:59:11,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:59:11,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:59:11,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:59:11,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:59:11,713 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:59:11,715 INFO L431 ainManager$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 [2024-10-24 04:59:13,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:59:13,676 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:59:13,677 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 [2024-10-24 04:59:13,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782207894/5acc14e643ac4991b8c42cd795c06e3b/FLAG3c16ac46d [2024-10-24 04:59:13,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782207894/5acc14e643ac4991b8c42cd795c06e3b [2024-10-24 04:59:13,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:59:13,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:59:13,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:59:13,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:59:13,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:59:13,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:59:13" (1/1) ... [2024-10-24 04:59:13,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68801ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:13, skipping insertion in model container [2024-10-24 04:59:13,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:59:13" (1/1) ... [2024-10-24 04:59:13,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:59:13,973 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-10-24 04:59:14,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:59:14,262 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:59:14,298 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c[1268,1281] [2024-10-24 04:59:14,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:59:14,502 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:59:14,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14 WrapperNode [2024-10-24 04:59:14,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:59:14,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:59:14,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:59:14,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:59:14,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,691 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2641 [2024-10-24 04:59:14,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:59:14,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:59:14,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:59:14,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:59:14,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,721 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,778 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 04:59:14,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:59:14,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:59:14,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:59:14,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:59:14,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (1/1) ... [2024-10-24 04:59:14,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:59:14,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:59:14,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 04:59:14,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 04:59:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:59:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 04:59:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:59:14,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:59:15,361 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:59:15,362 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:59:17,781 INFO L? ?]: Removed 183 outVars from TransFormulas that were not future-live. [2024-10-24 04:59:17,782 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:59:17,859 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:59:17,859 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:59:17,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:59:17 BoogieIcfgContainer [2024-10-24 04:59:17,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:59:17,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:59:17,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:59:17,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:59:17,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:59:13" (1/3) ... [2024-10-24 04:59:17,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6276945f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:59:17, skipping insertion in model container [2024-10-24 04:59:17,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:59:14" (2/3) ... [2024-10-24 04:59:17,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6276945f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:59:17, skipping insertion in model container [2024-10-24 04:59:17,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:59:17" (3/3) ... [2024-10-24 04:59:17,869 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p2.c [2024-10-24 04:59:17,883 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:59:17,883 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:59:17,931 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:59:17,937 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;@3bfb0f26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:59:17,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:59:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-10-24 04:59:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 04:59:17,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:17,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 04:59:17,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:17,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:17,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-24 04:59:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:59:17,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167826619] [2024-10-24 04:59:17,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:17,962 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 [2024-10-24 04:59:17,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:59:17,968 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) [2024-10-24 04:59:17,969 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 [2024-10-24 04:59:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:18,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-24 04:59:18,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 04:59:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:18,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 04:59:18,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 04:59:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167826619] [2024-10-24 04:59:18,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167826619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:59:18,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:59:18,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 04:59:18,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567753543] [2024-10-24 04:59:18,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:59:18,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:59:18,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 04:59:18,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:59:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:59:18,598 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-24 04:59:18,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:18,671 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2024-10-24 04:59:18,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:59:18,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-24 04:59:18,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:18,678 INFO L225 Difference]: With dead ends: 14 [2024-10-24 04:59:18,678 INFO L226 Difference]: Without dead ends: 8 [2024-10-24 04:59:18,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:59:18,683 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:18,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-10-24 04:59:18,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-24 04:59:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2024-10-24 04:59:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-24 04:59:18,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-24 04:59:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:18,749 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-24 04:59:18,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-24 04:59:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-24 04:59:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 04:59:18,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:18,754 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-24 04:59:18,767 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 [2024-10-24 04:59:18,955 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 [2024-10-24 04:59:18,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:18,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:18,957 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-24 04:59:18,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:59:18,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770868067] [2024-10-24 04:59:18,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:59:18,959 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 [2024-10-24 04:59:18,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:59:18,967 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) [2024-10-24 04:59:18,971 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 [2024-10-24 04:59:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:59:19,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-24 04:59:19,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 04:59:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:19,826 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 04:59:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:59:24,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 04:59:24,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770868067] [2024-10-24 04:59:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770868067] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 04:59:24,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 04:59:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-24 04:59:24,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152138366] [2024-10-24 04:59:24,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 04:59:24,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 04:59:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 04:59:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 04:59:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2024-10-24 04:59:24,014 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-24 04:59:24,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:59:24,174 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2024-10-24 04:59:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:59:24,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 7 [2024-10-24 04:59:24,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:59:24,175 INFO L225 Difference]: With dead ends: 13 [2024-10-24 04:59:24,175 INFO L226 Difference]: Without dead ends: 11 [2024-10-24 04:59:24,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=28, Invalid=61, Unknown=1, NotChecked=0, Total=90 [2024-10-24 04:59:24,177 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:59:24,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:59:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-10-24 04:59:24,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-24 04:59:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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) [2024-10-24 04:59:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-10-24 04:59:24,179 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2024-10-24 04:59:24,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:59:24,179 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-10-24 04:59:24,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-24 04:59:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-10-24 04:59:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 04:59:24,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:59:24,180 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2024-10-24 04:59:24,193 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-10-24 04:59:24,384 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 [2024-10-24 04:59:24,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:59:24,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:59:24,385 INFO L85 PathProgramCache]: Analyzing trace with hash 148265266, now seen corresponding path program 2 times [2024-10-24 04:59:24,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:59:24,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225254003] [2024-10-24 04:59:24,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 04:59:24,393 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 [2024-10-24 04:59:24,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:59:24,396 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) [2024-10-24 04:59:24,397 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 [2024-10-24 04:59:25,277 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 04:59:25,277 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 04:59:25,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-10-24 04:59:25,320 INFO L278 TraceCheckSpWp]: Computing forward predicates...