./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.cal179.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.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 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:47:53,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:47:53,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 05:47:53,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:47:53,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:47:53,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:47:53,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:47:53,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:47:53,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:47:53,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:47:53,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:47:53,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:47:53,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:47:53,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:47:53,505 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:47:53,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:47:53,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:47:53,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 05:47:53,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:47:53,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:47:53,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:47:53,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:47:53,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:47:53,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:47:53,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:47:53,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:47:53,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:47:53,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:47:53,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:47:53,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:47:53,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:47:53,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:47:53,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:47:53,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 05:47:53,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 05:47:53,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:47:53,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:47:53,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:47:53,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:47:53,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 [2024-10-14 05:47:53,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:47:53,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:47:53,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:47:53,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:47:53,747 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:47:53,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2024-10-14 05:47:55,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:47:55,507 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:47:55,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2024-10-14 05:47:55,526 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86455cb4a/0d07ebc06d6d4f82a680ae68eb636afc/FLAGb145347e0 [2024-10-14 05:47:55,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86455cb4a/0d07ebc06d6d4f82a680ae68eb636afc [2024-10-14 05:47:55,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:47:55,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:47:55,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:47:55,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:47:55,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:47:55,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:47:55" (1/1) ... [2024-10-14 05:47:55,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f54ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:55, skipping insertion in model container [2024-10-14 05:47:55,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:47:55" (1/1) ... [2024-10-14 05:47:55,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:47:55,779 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.cal179.c[1246,1259] [2024-10-14 05:47:56,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:47:56,072 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:47:56,080 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.cal179.c[1246,1259] [2024-10-14 05:47:56,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:47:56,244 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:47:56,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56 WrapperNode [2024-10-14 05:47:56,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:47:56,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:47:56,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:47:56,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:47:56,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,623 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3808 [2024-10-14 05:47:56,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:47:56,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:47:56,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:47:56,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:47:56,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,763 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 05:47:56,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:56,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:57,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:47:57,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:47:57,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:47:57,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:47:57,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (1/1) ... [2024-10-14 05:47:57,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:47:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:47:57,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 05:47:57,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 05:47:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:47:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 05:47:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:47:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:47:57,485 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:47:57,487 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:47:59,761 INFO L? ?]: Removed 2442 outVars from TransFormulas that were not future-live. [2024-10-14 05:47:59,761 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:47:59,869 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:47:59,870 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 05:47:59,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:47:59 BoogieIcfgContainer [2024-10-14 05:47:59,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:47:59,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:47:59,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:47:59,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:47:59,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:47:55" (1/3) ... [2024-10-14 05:47:59,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e215a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:47:59, skipping insertion in model container [2024-10-14 05:47:59,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:47:56" (2/3) ... [2024-10-14 05:47:59,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e215a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:47:59, skipping insertion in model container [2024-10-14 05:47:59,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:47:59" (3/3) ... [2024-10-14 05:47:59,881 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal179.c [2024-10-14 05:47:59,894 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:47:59,895 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 05:47:59,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:47:59,956 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;@2533778e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:47:59,957 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 05:47:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 775 states, 773 states have (on average 1.500646830530401) internal successors, (1160), 774 states have internal predecessors, (1160), 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) [2024-10-14 05:47:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 05:47:59,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:47:59,971 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] [2024-10-14 05:47:59,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:47:59,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:47:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1597714573, now seen corresponding path program 1 times [2024-10-14 05:47:59,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:47:59,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914817556] [2024-10-14 05:47:59,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:47:59,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:48:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:48:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:00,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:48:00,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914817556] [2024-10-14 05:48:00,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914817556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:48:00,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:48:00,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:48:00,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423513498] [2024-10-14 05:48:00,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:48:00,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 05:48:00,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:48:00,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 05:48:00,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:48:00,945 INFO L87 Difference]: Start difference. First operand has 775 states, 773 states have (on average 1.500646830530401) internal successors, (1160), 774 states have internal predecessors, (1160), 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 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:48:01,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:48:01,345 INFO L93 Difference]: Finished difference Result 1477 states and 2212 transitions. [2024-10-14 05:48:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:48:01,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-14 05:48:01,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:48:01,366 INFO L225 Difference]: With dead ends: 1477 [2024-10-14 05:48:01,369 INFO L226 Difference]: Without dead ends: 831 [2024-10-14 05:48:01,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 05:48:01,380 INFO L432 NwaCegarLoop]: 1122 mSDtfsCounter, 1251 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 05:48:01,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 4492 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 05:48:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-10-14 05:48:01,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 816. [2024-10-14 05:48:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 815 states have (on average 1.4969325153374233) internal successors, (1220), 815 states have internal predecessors, (1220), 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) [2024-10-14 05:48:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1220 transitions. [2024-10-14 05:48:01,465 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1220 transitions. Word has length 94 [2024-10-14 05:48:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:48:01,465 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1220 transitions. [2024-10-14 05:48:01,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:48:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1220 transitions. [2024-10-14 05:48:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 05:48:01,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:01,471 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] [2024-10-14 05:48:01,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 05:48:01,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:01,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash -385476299, now seen corresponding path program 1 times [2024-10-14 05:48:01,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:48:01,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961711328] [2024-10-14 05:48:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:48:01,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:48:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:48:01,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:01,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:48:01,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961711328] [2024-10-14 05:48:01,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961711328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:48:01,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:48:01,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:48:01,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709415282] [2024-10-14 05:48:01,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:48:01,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:48:01,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:48:01,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:48:01,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:48:01,816 INFO L87 Difference]: Start difference. First operand 816 states and 1220 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 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) [2024-10-14 05:48:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:48:01,846 INFO L93 Difference]: Finished difference Result 820 states and 1224 transitions. [2024-10-14 05:48:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:48:01,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 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 [2024-10-14 05:48:01,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:48:01,849 INFO L225 Difference]: With dead ends: 820 [2024-10-14 05:48:01,849 INFO L226 Difference]: Without dead ends: 818 [2024-10-14 05:48:01,850 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 [2024-10-14 05:48:01,851 INFO L432 NwaCegarLoop]: 1155 mSDtfsCounter, 0 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3460 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 [2024-10-14 05:48:01,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3460 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:48:01,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-10-14 05:48:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2024-10-14 05:48:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 817 states have (on average 1.4957160342717257) internal successors, (1222), 817 states have internal predecessors, (1222), 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) [2024-10-14 05:48:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1222 transitions. [2024-10-14 05:48:01,866 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1222 transitions. Word has length 95 [2024-10-14 05:48:01,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:48:01,867 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1222 transitions. [2024-10-14 05:48:01,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 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) [2024-10-14 05:48:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1222 transitions. [2024-10-14 05:48:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 05:48:01,870 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:01,870 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] [2024-10-14 05:48:01,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 05:48:01,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:01,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:01,871 INFO L85 PathProgramCache]: Analyzing trace with hash 936832357, now seen corresponding path program 1 times [2024-10-14 05:48:01,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:48:01,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186134229] [2024-10-14 05:48:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:48:01,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:48:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:48:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:02,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:48:02,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186134229] [2024-10-14 05:48:02,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186134229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:48:02,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:48:02,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:48:02,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647874381] [2024-10-14 05:48:02,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:48:02,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:48:02,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:48:02,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:48:02,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:48:02,078 INFO L87 Difference]: Start difference. First operand 818 states and 1222 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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) [2024-10-14 05:48:02,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:48:02,113 INFO L93 Difference]: Finished difference Result 1467 states and 2192 transitions. [2024-10-14 05:48:02,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:48:02,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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 [2024-10-14 05:48:02,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:48:02,117 INFO L225 Difference]: With dead ends: 1467 [2024-10-14 05:48:02,117 INFO L226 Difference]: Without dead ends: 820 [2024-10-14 05:48:02,118 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 [2024-10-14 05:48:02,120 INFO L432 NwaCegarLoop]: 1155 mSDtfsCounter, 0 mSDsluCounter, 2302 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3457 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 05:48:02,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3457 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:48:02,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-10-14 05:48:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 820. [2024-10-14 05:48:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 819 states have (on average 1.4945054945054945) internal successors, (1224), 819 states have internal predecessors, (1224), 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) [2024-10-14 05:48:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1224 transitions. [2024-10-14 05:48:02,135 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1224 transitions. Word has length 96 [2024-10-14 05:48:02,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:48:02,136 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1224 transitions. [2024-10-14 05:48:02,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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) [2024-10-14 05:48:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1224 transitions. [2024-10-14 05:48:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 05:48:02,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:02,139 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] [2024-10-14 05:48:02,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 05:48:02,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:02,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2120933362, now seen corresponding path program 1 times [2024-10-14 05:48:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:48:02,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472233387] [2024-10-14 05:48:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:48:02,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:48:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:48:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:02,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:48:02,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472233387] [2024-10-14 05:48:02,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472233387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:48:02,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:48:02,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 05:48:02,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230178372] [2024-10-14 05:48:02,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:48:02,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 05:48:02,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:48:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 05:48:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 05:48:02,616 INFO L87 Difference]: Start difference. First operand 820 states and 1224 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 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) [2024-10-14 05:48:02,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:48:02,999 INFO L93 Difference]: Finished difference Result 1490 states and 2220 transitions. [2024-10-14 05:48:02,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 05:48:03,000 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 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 [2024-10-14 05:48:03,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:48:03,002 INFO L225 Difference]: With dead ends: 1490 [2024-10-14 05:48:03,002 INFO L226 Difference]: Without dead ends: 841 [2024-10-14 05:48:03,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-14 05:48:03,003 INFO L432 NwaCegarLoop]: 1121 mSDtfsCounter, 1254 mSDsluCounter, 5605 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 6726 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 05:48:03,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 6726 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 05:48:03,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-14 05:48:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 823. [2024-10-14 05:48:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 822 states have (on average 1.4939172749391727) internal successors, (1228), 822 states have internal predecessors, (1228), 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) [2024-10-14 05:48:03,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1228 transitions. [2024-10-14 05:48:03,014 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1228 transitions. Word has length 97 [2024-10-14 05:48:03,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:48:03,014 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1228 transitions. [2024-10-14 05:48:03,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 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) [2024-10-14 05:48:03,014 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1228 transitions. [2024-10-14 05:48:03,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 05:48:03,015 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:03,015 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] [2024-10-14 05:48:03,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 05:48:03,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:03,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:03,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1005077911, now seen corresponding path program 1 times [2024-10-14 05:48:03,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:48:03,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748677823] [2024-10-14 05:48:03,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:48:03,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:48:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:48:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:03,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:48:03,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748677823] [2024-10-14 05:48:03,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748677823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:48:03,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:48:03,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 05:48:03,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741995307] [2024-10-14 05:48:03,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:48:03,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 05:48:03,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:48:03,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 05:48:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 05:48:03,612 INFO L87 Difference]: Start difference. First operand 823 states and 1228 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-10-14 05:48:04,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:48:04,049 INFO L93 Difference]: Finished difference Result 1490 states and 2219 transitions. [2024-10-14 05:48:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 05:48:04,050 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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 [2024-10-14 05:48:04,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:48:04,052 INFO L225 Difference]: With dead ends: 1490 [2024-10-14 05:48:04,052 INFO L226 Difference]: Without dead ends: 841 [2024-10-14 05:48:04,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-14 05:48:04,054 INFO L432 NwaCegarLoop]: 1117 mSDtfsCounter, 1249 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 6708 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 05:48:04,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 6708 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 05:48:04,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-10-14 05:48:04,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 827. [2024-10-14 05:48:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 826 states have (on average 1.4927360774818401) internal successors, (1233), 826 states have internal predecessors, (1233), 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) [2024-10-14 05:48:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1233 transitions. [2024-10-14 05:48:04,066 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1233 transitions. Word has length 98 [2024-10-14 05:48:04,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:48:04,066 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1233 transitions. [2024-10-14 05:48:04,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 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) [2024-10-14 05:48:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1233 transitions. [2024-10-14 05:48:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 05:48:04,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:04,067 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] [2024-10-14 05:48:04,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 05:48:04,067 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:04,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:04,067 INFO L85 PathProgramCache]: Analyzing trace with hash 471901517, now seen corresponding path program 1 times [2024-10-14 05:48:04,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:48:04,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101500596] [2024-10-14 05:48:04,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:48:04,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:48:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:48:04,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 05:48:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:48:04,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 05:48:04,213 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 05:48:04,214 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 05:48:04,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 05:48:04,218 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 05:48:04,300 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 05:48:04,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:48:04 BoogieIcfgContainer [2024-10-14 05:48:04,304 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 05:48:04,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 05:48:04,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 05:48:04,305 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 05:48:04,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:47:59" (3/4) ... [2024-10-14 05:48:04,307 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 05:48:04,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 05:48:04,308 INFO L158 Benchmark]: Toolchain (without parser) took 8756.62ms. Allocated memory was 245.4MB in the beginning and 981.5MB in the end (delta: 736.1MB). Free memory was 211.6MB in the beginning and 610.7MB in the end (delta: -399.1MB). Peak memory consumption was 336.7MB. Max. memory is 16.1GB. [2024-10-14 05:48:04,309 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:48:04,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.31ms. Allocated memory is still 245.4MB. Free memory was 211.3MB in the beginning and 134.4MB in the end (delta: 76.9MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2024-10-14 05:48:04,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 378.31ms. Allocated memory is still 245.4MB. Free memory was 134.4MB in the beginning and 133.0MB in the end (delta: 1.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-10-14 05:48:04,310 INFO L158 Benchmark]: Boogie Preprocessor took 402.93ms. Allocated memory is still 245.4MB. Free memory was 133.0MB in the beginning and 148.5MB in the end (delta: -15.5MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-10-14 05:48:04,313 INFO L158 Benchmark]: RCFGBuilder took 2841.54ms. Allocated memory was 245.4MB in the beginning and 981.5MB in the end (delta: 736.1MB). Free memory was 148.5MB in the beginning and 859.4MB in the end (delta: -710.9MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. [2024-10-14 05:48:04,313 INFO L158 Benchmark]: TraceAbstraction took 4431.86ms. Allocated memory is still 981.5MB. Free memory was 858.3MB in the beginning and 610.7MB in the end (delta: 247.6MB). Peak memory consumption was 247.6MB. Max. memory is 16.1GB. [2024-10-14 05:48:04,313 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 981.5MB. Free memory is still 610.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:48:04,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.31ms. Allocated memory is still 245.4MB. Free memory was 211.3MB in the beginning and 134.4MB in the end (delta: 76.9MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 378.31ms. Allocated memory is still 245.4MB. Free memory was 134.4MB in the beginning and 133.0MB in the end (delta: 1.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 402.93ms. Allocated memory is still 245.4MB. Free memory was 133.0MB in the beginning and 148.5MB in the end (delta: -15.5MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2841.54ms. Allocated memory was 245.4MB in the beginning and 981.5MB in the end (delta: 736.1MB). Free memory was 148.5MB in the beginning and 859.4MB in the end (delta: -710.9MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4431.86ms. Allocated memory is still 981.5MB. Free memory was 858.3MB in the beginning and 610.7MB in the end (delta: 247.6MB). Peak memory consumption was 247.6MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 981.5MB. Free memory is still 610.7MB. 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 bitwiseOr at line 301, overapproximation of bitwiseAnd at line 306. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L36] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L38] const SORT_105 mask_SORT_105 = (SORT_105)-1 >> (sizeof(SORT_105) * 8 - 31); [L39] const SORT_105 msb_SORT_105 = (SORT_105)1 << (31 - 1); [L41] const SORT_1 var_63 = 0; [L42] const SORT_1 var_79 = 1; [L43] const SORT_9 var_83 = 0; [L44] const SORT_9 var_87 = 3; [L45] const SORT_9 var_95 = 2; [L46] const SORT_105 var_106 = 1618477056; [L47] const SORT_105 var_109 = 1618478076; [L48] const SORT_9 var_118 = 1; [L49] const SORT_16 var_195 = 0; [L50] const SORT_16 var_199 = 2; [L51] const SORT_16 var_201 = 4; [L52] const SORT_16 var_214 = 3; [L53] const SORT_16 var_274 = 5; [L54] const SORT_16 var_276 = 7; [L55] const SORT_16 var_289 = 6; [L56] const SORT_16 var_335 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_1 input_5; [L62] SORT_1 input_6; [L63] SORT_7 input_8; [L64] SORT_9 input_10; [L65] SORT_1 input_11; [L66] SORT_7 input_12; [L67] SORT_1 input_13; [L68] SORT_1 input_14; [L69] SORT_1 input_15; [L70] SORT_16 input_17; [L71] SORT_1 input_18; [L72] SORT_1 input_19; [L73] SORT_1 input_20; [L74] SORT_1 input_21; [L75] SORT_1 input_22; [L76] SORT_1 input_23; [L77] SORT_9 input_24; [L78] SORT_9 input_25; [L79] SORT_1 input_26; [L80] SORT_1 input_27; [L81] SORT_9 input_28; [L82] SORT_9 input_29; [L83] SORT_1 input_30; [L84] SORT_1 input_31; [L85] SORT_1 input_32; [L86] SORT_1 input_33; [L87] SORT_1 input_34; [L88] SORT_1 input_35; [L89] SORT_1 input_36; [L90] SORT_9 input_37; [L91] SORT_9 input_38; [L92] SORT_1 input_39; [L93] SORT_1 input_40; [L94] SORT_1 input_41; [L95] SORT_1 input_42; [L96] SORT_1 input_43; [L97] SORT_1 input_44; [L98] SORT_1 input_45; [L99] SORT_1 input_46; [L100] SORT_1 input_47; [L101] SORT_1 input_48; [L102] SORT_9 input_49; [L103] SORT_9 input_50; [L104] SORT_1 input_51; [L105] SORT_1 input_52; [L106] SORT_1 input_53; [L107] SORT_1 input_54; [L108] SORT_9 input_55; [L109] SORT_9 input_56; [L110] SORT_9 input_57; [L111] SORT_9 input_58; [L112] SORT_1 input_59; [L113] SORT_1 input_60; [L114] SORT_16 input_61; [L115] SORT_16 input_62; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L117] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L118] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L119] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L120] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L121] SORT_9 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L122] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L123] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L124] SORT_9 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L125] SORT_9 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L126] SORT_1 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L127] SORT_9 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L128] SORT_1 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L129] SORT_1 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L130] SORT_1 state_185 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L131] SORT_16 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L132] SORT_1 state_261 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L133] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L134] SORT_1 state_313 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L135] SORT_9 state_397 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L136] SORT_1 state_401 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L137] SORT_1 state_408 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L138] SORT_9 state_415 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L139] SORT_9 state_426 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L140] SORT_1 state_429 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L141] SORT_9 state_434 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L142] SORT_1 state_441 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L143] SORT_1 state_472 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L144] SORT_1 state_475 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L145] SORT_16 state_485 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L146] SORT_1 state_547 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L147] SORT_1 state_550 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L148] SORT_1 state_596 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] SORT_1 init_65_arg_1 = var_63; [L151] state_64 = init_65_arg_1 [L152] SORT_1 init_68_arg_1 = var_63; [L153] state_67 = init_68_arg_1 [L154] SORT_1 init_70_arg_1 = var_63; [L155] state_69 = init_70_arg_1 [L156] SORT_1 init_73_arg_1 = var_63; [L157] state_72 = init_73_arg_1 [L158] SORT_9 init_85_arg_1 = var_83; [L159] state_84 = init_85_arg_1 [L160] SORT_1 init_90_arg_1 = var_63; [L161] state_89 = init_90_arg_1 [L162] SORT_1 init_98_arg_1 = var_63; [L163] state_97 = init_98_arg_1 [L164] SORT_9 init_116_arg_1 = var_83; [L165] state_115 = init_116_arg_1 [L166] SORT_9 init_128_arg_1 = var_83; [L167] state_127 = init_128_arg_1 [L168] SORT_1 init_131_arg_1 = var_63; [L169] state_130 = init_131_arg_1 [L170] SORT_9 init_136_arg_1 = var_83; [L171] state_135 = init_136_arg_1 [L172] SORT_1 init_143_arg_1 = var_63; [L173] state_142 = init_143_arg_1 [L174] SORT_1 init_183_arg_1 = var_63; [L175] state_182 = init_183_arg_1 [L176] SORT_1 init_186_arg_1 = var_63; [L177] state_185 = init_186_arg_1 [L178] SORT_16 init_197_arg_1 = var_195; [L179] state_196 = init_197_arg_1 [L180] SORT_1 init_262_arg_1 = var_63; [L181] state_261 = init_262_arg_1 [L182] SORT_1 init_265_arg_1 = var_63; [L183] state_264 = init_265_arg_1 [L184] SORT_1 init_314_arg_1 = var_63; [L185] state_313 = init_314_arg_1 [L186] SORT_9 init_398_arg_1 = var_83; [L187] state_397 = init_398_arg_1 [L188] SORT_1 init_402_arg_1 = var_63; [L189] state_401 = init_402_arg_1 [L190] SORT_1 init_409_arg_1 = var_63; [L191] state_408 = init_409_arg_1 [L192] SORT_9 init_416_arg_1 = var_83; [L193] state_415 = init_416_arg_1 [L194] SORT_9 init_427_arg_1 = var_83; [L195] state_426 = init_427_arg_1 [L196] SORT_1 init_430_arg_1 = var_63; [L197] state_429 = init_430_arg_1 [L198] SORT_9 init_435_arg_1 = var_83; [L199] state_434 = init_435_arg_1 [L200] SORT_1 init_442_arg_1 = var_63; [L201] state_441 = init_442_arg_1 [L202] SORT_1 init_473_arg_1 = var_63; [L203] state_472 = init_473_arg_1 [L204] SORT_1 init_476_arg_1 = var_63; [L205] state_475 = init_476_arg_1 [L206] SORT_16 init_486_arg_1 = var_195; [L207] state_485 = init_486_arg_1 [L208] SORT_1 init_548_arg_1 = var_63; [L209] state_547 = init_548_arg_1 [L210] SORT_1 init_551_arg_1 = var_63; [L211] state_550 = init_551_arg_1 [L212] SORT_1 init_597_arg_1 = var_63; [L213] state_596 = init_597_arg_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L216] input_2 = __VERIFIER_nondet_uchar() [L217] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L217] input_2 = input_2 & mask_SORT_1 [L218] input_3 = __VERIFIER_nondet_uchar() [L219] EXPR input_3 & mask_SORT_1 VAL [input_2=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L219] input_3 = input_3 & mask_SORT_1 [L220] input_4 = __VERIFIER_nondet_uchar() [L221] EXPR input_4 & mask_SORT_1 VAL [input_2=0, input_3=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L221] input_4 = input_4 & mask_SORT_1 [L222] input_5 = __VERIFIER_nondet_uchar() [L223] input_6 = __VERIFIER_nondet_uchar() [L224] input_8 = __VERIFIER_nondet_uint() [L225] EXPR input_8 & mask_SORT_7 VAL [input_2=0, input_3=0, input_4=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L225] input_8 = input_8 & mask_SORT_7 [L226] input_10 = __VERIFIER_nondet_uchar() [L227] input_11 = __VERIFIER_nondet_uchar() [L228] input_12 = __VERIFIER_nondet_uint() [L229] EXPR input_12 & mask_SORT_7 VAL [input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L229] input_12 = input_12 & mask_SORT_7 [L230] input_13 = __VERIFIER_nondet_uchar() [L231] EXPR input_13 & mask_SORT_1 VAL [input_12=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L231] input_13 = input_13 & mask_SORT_1 [L232] input_14 = __VERIFIER_nondet_uchar() [L233] EXPR input_14 & mask_SORT_1 VAL [input_12=0, input_13=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L233] input_14 = input_14 & mask_SORT_1 [L234] input_15 = __VERIFIER_nondet_uchar() [L235] EXPR input_15 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L235] input_15 = input_15 & mask_SORT_1 [L236] input_17 = __VERIFIER_nondet_uchar() [L237] input_18 = __VERIFIER_nondet_uchar() [L238] input_19 = __VERIFIER_nondet_uchar() [L239] input_20 = __VERIFIER_nondet_uchar() [L240] input_21 = __VERIFIER_nondet_uchar() [L241] input_22 = __VERIFIER_nondet_uchar() [L242] input_23 = __VERIFIER_nondet_uchar() [L243] input_24 = __VERIFIER_nondet_uchar() [L244] input_25 = __VERIFIER_nondet_uchar() [L245] input_26 = __VERIFIER_nondet_uchar() [L246] input_27 = __VERIFIER_nondet_uchar() [L247] input_28 = __VERIFIER_nondet_uchar() [L248] input_29 = __VERIFIER_nondet_uchar() [L249] input_30 = __VERIFIER_nondet_uchar() [L250] input_31 = __VERIFIER_nondet_uchar() [L251] input_32 = __VERIFIER_nondet_uchar() [L252] input_33 = __VERIFIER_nondet_uchar() [L253] input_34 = __VERIFIER_nondet_uchar() [L254] input_35 = __VERIFIER_nondet_uchar() [L255] input_36 = __VERIFIER_nondet_uchar() [L256] input_37 = __VERIFIER_nondet_uchar() [L257] input_38 = __VERIFIER_nondet_uchar() [L258] input_39 = __VERIFIER_nondet_uchar() [L259] input_40 = __VERIFIER_nondet_uchar() [L260] input_41 = __VERIFIER_nondet_uchar() [L261] input_42 = __VERIFIER_nondet_uchar() [L262] input_43 = __VERIFIER_nondet_uchar() [L263] input_44 = __VERIFIER_nondet_uchar() [L264] input_45 = __VERIFIER_nondet_uchar() [L265] input_46 = __VERIFIER_nondet_uchar() [L266] input_47 = __VERIFIER_nondet_uchar() [L267] input_48 = __VERIFIER_nondet_uchar() [L268] input_49 = __VERIFIER_nondet_uchar() [L269] input_50 = __VERIFIER_nondet_uchar() [L270] input_51 = __VERIFIER_nondet_uchar() [L271] input_52 = __VERIFIER_nondet_uchar() [L272] input_53 = __VERIFIER_nondet_uchar() [L273] input_54 = __VERIFIER_nondet_uchar() [L274] input_55 = __VERIFIER_nondet_uchar() [L275] input_56 = __VERIFIER_nondet_uchar() [L276] input_57 = __VERIFIER_nondet_uchar() [L277] input_58 = __VERIFIER_nondet_uchar() [L278] input_59 = __VERIFIER_nondet_uchar() [L279] input_60 = __VERIFIER_nondet_uchar() [L280] input_61 = __VERIFIER_nondet_uchar() [L281] input_62 = __VERIFIER_nondet_uchar() [L284] SORT_1 var_66_arg_0 = state_64; [L285] SORT_1 var_66 = ~var_66_arg_0; [L286] SORT_1 var_71_arg_0 = state_69; [L287] SORT_1 var_71_arg_1 = state_67; [L288] SORT_1 var_71_arg_2 = input_26; [L289] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_26=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L290] EXPR var_71 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_26=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_79=1, var_83=0, var_87=3, var_95=2] [L290] var_71 = var_71 & mask_SORT_1 [L291] SORT_1 var_74_arg_0 = state_69; [L292] SORT_1 var_74_arg_1 = state_72; [L293] SORT_1 var_74_arg_2 = input_26; [L294] SORT_1 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_74=0, var_79=1, var_83=0, var_87=3, var_95=2] [L295] EXPR var_74 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L295] var_74 = var_74 & mask_SORT_1 [L296] SORT_1 var_75_arg_0 = var_71; [L297] SORT_1 var_75_arg_1 = var_74; [L298] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L299] SORT_1 var_76_arg_0 = var_66; [L300] SORT_1 var_76_arg_1 = var_75; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_76_arg_0=-1, var_76_arg_1=1, var_79=1, var_83=0, var_87=3, var_95=2] [L301] EXPR var_76_arg_0 | var_76_arg_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L301] SORT_1 var_76 = var_76_arg_0 | var_76_arg_1; [L302] SORT_1 var_80_arg_0 = var_76; [L303] SORT_1 var_80 = ~var_80_arg_0; [L304] SORT_1 var_81_arg_0 = var_79; [L305] SORT_1 var_81_arg_1 = var_80; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_81_arg_0=1, var_81_arg_1=-1, var_83=0, var_87=3, var_95=2] [L306] EXPR var_81_arg_0 & var_81_arg_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L306] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L307] EXPR var_81 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L307] var_81 = var_81 & mask_SORT_1 [L308] SORT_1 bad_82_arg_0 = var_81; [L309] CALL __VERIFIER_assert(!(bad_82_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 775 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3754 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3754 mSDsluCounter, 24843 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19173 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 629 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5670 mSDtfsCounter, 629 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=827occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 579 NumberOfCodeBlocks, 579 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 475 ConstructedInterpolants, 0 QuantifiedInterpolants, 1596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2024-10-14 05:48:04,349 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.cal179.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 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:48:06,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:48:06,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-14 05:48:06,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:48:06,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:48:06,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:48:06,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:48:06,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:48:06,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:48:06,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:48:06,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:48:06,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:48:06,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:48:06,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:48:06,417 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:48:06,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:48:06,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:48:06,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:48:06,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:48:06,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:48:06,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:48:06,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 05:48:06,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 05:48:06,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:48:06,423 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 05:48:06,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:48:06,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:48:06,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:48:06,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:48:06,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:48:06,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:48:06,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:48:06,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:48:06,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:48:06,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:48:06,425 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 05:48:06,426 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 05:48:06,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:48:06,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:48:06,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:48:06,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:48:06,428 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 05:48:06,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 [2024-10-14 05:48:06,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:48:06,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:48:06,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:48:06,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:48:06,748 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:48:06,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2024-10-14 05:48:08,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:48:08,509 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:48:08,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2024-10-14 05:48:08,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8eef0bc6/57dea6fcb94a4e1292af288921f266a9/FLAG6b3cfda9e [2024-10-14 05:48:08,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8eef0bc6/57dea6fcb94a4e1292af288921f266a9 [2024-10-14 05:48:08,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:48:08,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:48:08,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:48:08,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:48:08,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:48:08,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:48:08" (1/1) ... [2024-10-14 05:48:08,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f237ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:08, skipping insertion in model container [2024-10-14 05:48:08,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:48:08" (1/1) ... [2024-10-14 05:48:08,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:48:09,094 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.cal179.c[1246,1259] [2024-10-14 05:48:09,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:48:09,353 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:48:09,405 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.cal179.c[1246,1259] [2024-10-14 05:48:09,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:48:09,539 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:48:09,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09 WrapperNode [2024-10-14 05:48:09,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:48:09,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:48:09,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:48:09,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:48:09,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,675 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2272 [2024-10-14 05:48:09,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:48:09,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:48:09,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:48:09,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:48:09,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,793 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 05:48:09,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:48:09,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:48:09,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:48:09,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:48:09,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (1/1) ... [2024-10-14 05:48:09,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:48:09,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:48:09,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 05:48:09,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 05:48:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:48:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 05:48:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:48:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:48:10,295 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:48:10,297 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:48:11,444 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-10-14 05:48:11,444 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:48:11,506 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:48:11,506 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 05:48:11,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:48:11 BoogieIcfgContainer [2024-10-14 05:48:11,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:48:11,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:48:11,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:48:11,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:48:11,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:48:08" (1/3) ... [2024-10-14 05:48:11,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3febeae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:48:11, skipping insertion in model container [2024-10-14 05:48:11,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:48:09" (2/3) ... [2024-10-14 05:48:11,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3febeae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:48:11, skipping insertion in model container [2024-10-14 05:48:11,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:48:11" (3/3) ... [2024-10-14 05:48:11,515 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal179.c [2024-10-14 05:48:11,527 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:48:11,527 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 05:48:11,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:48:11,580 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;@4055b8c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:48:11,580 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 05:48:11,584 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) [2024-10-14 05:48:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 05:48:11,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:11,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 05:48:11,590 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:11,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:11,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-14 05:48:11,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:48:11,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508424560] [2024-10-14 05:48:11,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:48:11,608 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 [2024-10-14 05:48:11,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:48:11,611 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) [2024-10-14 05:48:11,612 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 [2024-10-14 05:48:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:48:12,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 05:48:12,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 05:48:12,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:12,176 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 05:48:12,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 05:48:12,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508424560] [2024-10-14 05:48:12,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [508424560] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:48:12,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:48:12,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 05:48:12,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554954471] [2024-10-14 05:48:12,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:48:12,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:48:12,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 05:48:12,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:48:12,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:48:12,198 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) [2024-10-14 05:48:12,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:48:12,291 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-14 05:48:12,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:48:12,293 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 [2024-10-14 05:48:12,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:48:12,298 INFO L225 Difference]: With dead ends: 15 [2024-10-14 05:48:12,298 INFO L226 Difference]: Without dead ends: 9 [2024-10-14 05:48:12,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:48:12,302 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 [2024-10-14 05:48:12,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:48:12,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-14 05:48:12,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-14 05:48:12,347 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) [2024-10-14 05:48:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-14 05:48:12,348 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-14 05:48:12,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:48:12,349 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-14 05:48:12,349 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) [2024-10-14 05:48:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-14 05:48:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 05:48:12,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:12,349 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-14 05:48:12,364 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 [2024-10-14 05:48:12,550 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 [2024-10-14 05:48:12,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:12,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:12,551 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-14 05:48:12,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:48:12,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259955404] [2024-10-14 05:48:12,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:48:12,553 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 [2024-10-14 05:48:12,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:48:12,556 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) [2024-10-14 05:48:12,557 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 [2024-10-14 05:48:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:48:13,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 05:48:13,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 05:48:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:13,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 05:48:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:48:13,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 05:48:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259955404] [2024-10-14 05:48:13,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259955404] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 05:48:13,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 05:48:13,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-14 05:48:13,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269856207] [2024-10-14 05:48:13,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 05:48:13,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 05:48:13,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 05:48:13,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 05:48:13,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 05:48:13,838 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) [2024-10-14 05:48:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:48:14,017 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-10-14 05:48:14,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:48:14,017 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 [2024-10-14 05:48:14,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:48:14,018 INFO L225 Difference]: With dead ends: 14 [2024-10-14 05:48:14,018 INFO L226 Difference]: Without dead ends: 12 [2024-10-14 05:48:14,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-10-14 05:48:14,019 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:48:14,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:48:14,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-14 05:48:14,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-10-14 05:48:14,021 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) [2024-10-14 05:48:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-10-14 05:48:14,021 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2024-10-14 05:48:14,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:48:14,022 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-10-14 05:48:14,022 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) [2024-10-14 05:48:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-10-14 05:48:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 05:48:14,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:48:14,022 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2024-10-14 05:48:14,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 05:48:14,226 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 [2024-10-14 05:48:14,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:48:14,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:48:14,227 INFO L85 PathProgramCache]: Analyzing trace with hash 148265266, now seen corresponding path program 2 times [2024-10-14 05:48:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:48:14,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79048470] [2024-10-14 05:48:14,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 05:48:14,229 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 [2024-10-14 05:48:14,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:48:14,233 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) [2024-10-14 05:48:14,238 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 [2024-10-14 05:48:15,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 05:48:15,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 05:48:15,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-14 05:48:15,453 INFO L278 TraceCheckSpWp]: Computing forward predicates...