./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.krebs.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.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 6d786879f21443213b301092b19eae5efebfd81144e40b7e6f6914d5cc6ac7cf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 01:21:43,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 01:21:43,405 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 01:21:43,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 01:21:43,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 01:21:43,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 01:21:43,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 01:21:43,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 01:21:43,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 01:21:43,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 01:21:43,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 01:21:43,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 01:21:43,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 01:21:43,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 01:21:43,457 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 01:21:43,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 01:21:43,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 01:21:43,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 01:21:43,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 01:21:43,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 01:21:43,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 01:21:43,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 01:21:43,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 01:21:43,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 01:21:43,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 01:21:43,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 01:21:43,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 01:21:43,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 01:21:43,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 01:21:43,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:21:43,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 01:21:43,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 01:21:43,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 01:21:43,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 01:21:43,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 01:21:43,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 01:21:43,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 01:21:43,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 01:21:43,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 01:21:43,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d786879f21443213b301092b19eae5efebfd81144e40b7e6f6914d5cc6ac7cf [2024-11-20 01:21:43,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 01:21:43,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 01:21:43,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 01:21:43,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 01:21:43,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 01:21:43,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c [2024-11-20 01:21:45,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 01:21:45,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 01:21:45,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c [2024-11-20 01:21:45,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6969d742/cfd089fc1ca541f1b47822a350ed959a/FLAG316b8d94f [2024-11-20 01:21:45,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6969d742/cfd089fc1ca541f1b47822a350ed959a [2024-11-20 01:21:45,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 01:21:45,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 01:21:45,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 01:21:45,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 01:21:45,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 01:21:45,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:21:45" (1/1) ... [2024-11-20 01:21:45,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be11a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:45, skipping insertion in model container [2024-11-20 01:21:45,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:21:45" (1/1) ... [2024-11-20 01:21:45,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 01:21:45,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c[1172,1185] [2024-11-20 01:21:46,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:21:46,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 01:21:46,321 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c[1172,1185] [2024-11-20 01:21:46,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:21:46,587 INFO L204 MainTranslator]: Completed translation [2024-11-20 01:21:46,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46 WrapperNode [2024-11-20 01:21:46,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 01:21:46,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 01:21:46,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 01:21:46,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 01:21:46,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:46,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,217 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4658 [2024-11-20 01:21:47,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 01:21:47,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 01:21:47,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 01:21:47,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 01:21:47,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,573 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 01:21:47,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:47,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:48,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 01:21:48,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 01:21:48,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 01:21:48,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 01:21:48,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (1/1) ... [2024-11-20 01:21:48,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:21:48,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 01:21:48,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 01:21:48,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 01:21:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 01:21:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 01:21:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 01:21:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 01:21:48,426 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 01:21:48,428 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 01:21:53,390 INFO L? ?]: Removed 2670 outVars from TransFormulas that were not future-live. [2024-11-20 01:21:53,391 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 01:21:53,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 01:21:53,435 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 01:21:53,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:21:53 BoogieIcfgContainer [2024-11-20 01:21:53,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 01:21:53,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 01:21:53,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 01:21:53,442 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 01:21:53,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:21:45" (1/3) ... [2024-11-20 01:21:53,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbd6fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:21:53, skipping insertion in model container [2024-11-20 01:21:53,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:21:46" (2/3) ... [2024-11-20 01:21:53,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbd6fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:21:53, skipping insertion in model container [2024-11-20 01:21:53,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:21:53" (3/3) ... [2024-11-20 01:21:53,447 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.2.prop1-func-interl.c [2024-11-20 01:21:53,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 01:21:53,464 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 01:21:53,576 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 01:21:53,584 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;@23ecf8d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 01:21:53,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 01:21:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 1570 states, 1568 states have (on average 1.5044642857142858) internal successors, (2359), 1569 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 01:21:53,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:21:53,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:21:53,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:21:53,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:21:53,620 INFO L85 PathProgramCache]: Analyzing trace with hash -593962925, now seen corresponding path program 1 times [2024-11-20 01:21:53,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:21:53,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804650003] [2024-11-20 01:21:53,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:21:53,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:21:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:21:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:21:54,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:21:54,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804650003] [2024-11-20 01:21:54,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804650003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:21:54,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:21:54,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:21:54,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110115753] [2024-11-20 01:21:54,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:21:54,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:21:54,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:21:54,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:21:54,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:54,605 INFO L87 Difference]: Start difference. First operand has 1570 states, 1568 states have (on average 1.5044642857142858) internal successors, (2359), 1569 states have internal predecessors, (2359), 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 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:54,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:21:54,760 INFO L93 Difference]: Finished difference Result 3001 states and 4513 transitions. [2024-11-20 01:21:54,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:21:54,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 113 [2024-11-20 01:21:54,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:21:54,786 INFO L225 Difference]: With dead ends: 3001 [2024-11-20 01:21:54,786 INFO L226 Difference]: Without dead ends: 1569 [2024-11-20 01:21:54,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:54,798 INFO L432 NwaCegarLoop]: 2353 mSDtfsCounter, 0 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7053 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 01:21:54,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7053 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 01:21:54,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2024-11-20 01:21:54,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1569. [2024-11-20 01:21:54,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1568 states have (on average 1.503188775510204) internal successors, (2357), 1568 states have internal predecessors, (2357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2357 transitions. [2024-11-20 01:21:54,902 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2357 transitions. Word has length 113 [2024-11-20 01:21:54,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:21:54,903 INFO L471 AbstractCegarLoop]: Abstraction has 1569 states and 2357 transitions. [2024-11-20 01:21:54,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2357 transitions. [2024-11-20 01:21:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-20 01:21:54,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:21:54,906 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:21:54,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 01:21:54,907 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:21:54,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:21:54,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1231285636, now seen corresponding path program 1 times [2024-11-20 01:21:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:21:54,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547187290] [2024-11-20 01:21:54,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:21:54,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:21:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:21:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:21:55,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:21:55,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547187290] [2024-11-20 01:21:55,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547187290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:21:55,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:21:55,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:21:55,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435969444] [2024-11-20 01:21:55,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:21:55,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:21:55,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:21:55,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:21:55,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:55,233 INFO L87 Difference]: Start difference. First operand 1569 states and 2357 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:55,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:21:55,343 INFO L93 Difference]: Finished difference Result 3002 states and 4511 transitions. [2024-11-20 01:21:55,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:21:55,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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 114 [2024-11-20 01:21:55,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:21:55,351 INFO L225 Difference]: With dead ends: 3002 [2024-11-20 01:21:55,352 INFO L226 Difference]: Without dead ends: 1571 [2024-11-20 01:21:55,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:55,355 INFO L432 NwaCegarLoop]: 2353 mSDtfsCounter, 0 mSDsluCounter, 4696 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7049 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 01:21:55,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7049 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 01:21:55,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-11-20 01:21:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1571. [2024-11-20 01:21:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1570 states have (on average 1.502547770700637) internal successors, (2359), 1570 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2359 transitions. [2024-11-20 01:21:55,389 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2359 transitions. Word has length 114 [2024-11-20 01:21:55,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:21:55,391 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 2359 transitions. [2024-11-20 01:21:55,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:55,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2359 transitions. [2024-11-20 01:21:55,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-20 01:21:55,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:21:55,399 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:21:55,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 01:21:55,400 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:21:55,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:21:55,400 INFO L85 PathProgramCache]: Analyzing trace with hash -613114292, now seen corresponding path program 1 times [2024-11-20 01:21:55,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:21:55,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81000015] [2024-11-20 01:21:55,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:21:55,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:21:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:21:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:21:55,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:21:55,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81000015] [2024-11-20 01:21:55,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81000015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:21:55,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:21:55,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:21:55,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478033904] [2024-11-20 01:21:55,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:21:55,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:21:55,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:21:55,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:21:55,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:55,702 INFO L87 Difference]: Start difference. First operand 1571 states and 2359 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:55,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:21:55,773 INFO L93 Difference]: Finished difference Result 3006 states and 4515 transitions. [2024-11-20 01:21:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:21:55,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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 115 [2024-11-20 01:21:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:21:55,782 INFO L225 Difference]: With dead ends: 3006 [2024-11-20 01:21:55,783 INFO L226 Difference]: Without dead ends: 1573 [2024-11-20 01:21:55,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:55,786 INFO L432 NwaCegarLoop]: 2353 mSDtfsCounter, 0 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 01:21:55,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7043 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 01:21:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-11-20 01:21:55,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1573. [2024-11-20 01:21:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1572 states have (on average 1.501908396946565) internal successors, (2361), 1572 states have internal predecessors, (2361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2361 transitions. [2024-11-20 01:21:55,819 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2361 transitions. Word has length 115 [2024-11-20 01:21:55,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:21:55,820 INFO L471 AbstractCegarLoop]: Abstraction has 1573 states and 2361 transitions. [2024-11-20 01:21:55,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2361 transitions. [2024-11-20 01:21:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-20 01:21:55,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:21:55,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:21:55,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 01:21:55,826 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:21:55,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:21:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash -917786365, now seen corresponding path program 1 times [2024-11-20 01:21:55,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:21:55,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084518846] [2024-11-20 01:21:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:21:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:21:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:21:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:21:56,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:21:56,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084518846] [2024-11-20 01:21:56,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084518846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:21:56,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:21:56,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:21:56,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652524914] [2024-11-20 01:21:56,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:21:56,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:21:56,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:21:56,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:21:56,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:56,106 INFO L87 Difference]: Start difference. First operand 1573 states and 2361 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:56,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:21:56,178 INFO L93 Difference]: Finished difference Result 3016 states and 4527 transitions. [2024-11-20 01:21:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:21:56,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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 116 [2024-11-20 01:21:56,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:21:56,184 INFO L225 Difference]: With dead ends: 3016 [2024-11-20 01:21:56,185 INFO L226 Difference]: Without dead ends: 1581 [2024-11-20 01:21:56,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:21:56,191 INFO L432 NwaCegarLoop]: 2353 mSDtfsCounter, 3 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7043 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 01:21:56,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7043 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 01:21:56,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-20 01:21:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1577. [2024-11-20 01:21:56,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1576 states have (on average 1.5019035532994924) internal successors, (2367), 1576 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2367 transitions. [2024-11-20 01:21:56,227 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2367 transitions. Word has length 116 [2024-11-20 01:21:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:21:56,227 INFO L471 AbstractCegarLoop]: Abstraction has 1577 states and 2367 transitions. [2024-11-20 01:21:56,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2367 transitions. [2024-11-20 01:21:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-20 01:21:56,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:21:56,230 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:21:56,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 01:21:56,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:21:56,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:21:56,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1567379643, now seen corresponding path program 1 times [2024-11-20 01:21:56,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:21:56,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715398081] [2024-11-20 01:21:56,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:21:56,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:21:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:21:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:21:56,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:21:56,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715398081] [2024-11-20 01:21:56,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715398081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:21:56,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:21:56,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 01:21:56,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900517326] [2024-11-20 01:21:56,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:21:56,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 01:21:56,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:21:56,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 01:21:56,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 01:21:56,604 INFO L87 Difference]: Start difference. First operand 1577 states and 2367 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:21:58,309 INFO L93 Difference]: Finished difference Result 4439 states and 6665 transitions. [2024-11-20 01:21:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 01:21:58,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 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 117 [2024-11-20 01:21:58,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:21:58,321 INFO L225 Difference]: With dead ends: 4439 [2024-11-20 01:21:58,322 INFO L226 Difference]: Without dead ends: 3000 [2024-11-20 01:21:58,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 01:21:58,327 INFO L432 NwaCegarLoop]: 1869 mSDtfsCounter, 2233 mSDsluCounter, 5467 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 7336 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 01:21:58,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2233 Valid, 7336 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 01:21:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2024-11-20 01:21:58,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 1644. [2024-11-20 01:21:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1644 states, 1643 states have (on average 1.5009129640900791) internal successors, (2466), 1643 states have internal predecessors, (2466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 2466 transitions. [2024-11-20 01:21:58,382 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 2466 transitions. Word has length 117 [2024-11-20 01:21:58,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:21:58,382 INFO L471 AbstractCegarLoop]: Abstraction has 1644 states and 2466 transitions. [2024-11-20 01:21:58,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:21:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2466 transitions. [2024-11-20 01:21:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-20 01:21:58,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:21:58,386 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:21:58,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 01:21:58,386 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:21:58,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:21:58,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1110143802, now seen corresponding path program 1 times [2024-11-20 01:21:58,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:21:58,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103259221] [2024-11-20 01:21:58,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:21:58,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:21:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:21:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:21:58,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:21:58,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103259221] [2024-11-20 01:21:58,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103259221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:21:58,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:21:58,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 01:21:58,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052493120] [2024-11-20 01:21:58,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:21:58,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 01:21:58,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:21:58,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 01:21:58,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 01:21:58,955 INFO L87 Difference]: Start difference. First operand 1644 states and 2466 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:00,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:22:00,321 INFO L93 Difference]: Finished difference Result 3098 states and 4648 transitions. [2024-11-20 01:22:00,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 01:22:00,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 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 118 [2024-11-20 01:22:00,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:22:00,329 INFO L225 Difference]: With dead ends: 3098 [2024-11-20 01:22:00,330 INFO L226 Difference]: Without dead ends: 1659 [2024-11-20 01:22:00,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-20 01:22:00,333 INFO L432 NwaCegarLoop]: 1858 mSDtfsCounter, 2266 mSDsluCounter, 5560 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2266 SdHoareTripleChecker+Valid, 7418 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 01:22:00,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2266 Valid, 7418 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 01:22:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2024-11-20 01:22:00,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1657. [2024-11-20 01:22:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 1656 states have (on average 1.4981884057971016) internal successors, (2481), 1656 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2481 transitions. [2024-11-20 01:22:00,373 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2481 transitions. Word has length 118 [2024-11-20 01:22:00,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:22:00,374 INFO L471 AbstractCegarLoop]: Abstraction has 1657 states and 2481 transitions. [2024-11-20 01:22:00,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:00,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2481 transitions. [2024-11-20 01:22:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-20 01:22:00,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:22:00,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:22:00,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 01:22:00,376 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:22:00,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:22:00,377 INFO L85 PathProgramCache]: Analyzing trace with hash 264627494, now seen corresponding path program 1 times [2024-11-20 01:22:00,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:22:00,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53750839] [2024-11-20 01:22:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:22:00,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:22:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 01:22:00,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 01:22:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 01:22:00,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 01:22:00,606 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 01:22:00,607 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 01:22:00,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 01:22:00,613 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-20 01:22:00,718 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 01:22:00,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:22:00 BoogieIcfgContainer [2024-11-20 01:22:00,722 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 01:22:00,725 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 01:22:00,725 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 01:22:00,726 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 01:22:00,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:21:53" (3/4) ... [2024-11-20 01:22:00,729 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 01:22:00,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 01:22:00,731 INFO L158 Benchmark]: Toolchain (without parser) took 15046.78ms. Allocated memory was 165.7MB in the beginning and 939.5MB in the end (delta: 773.8MB). Free memory was 130.2MB in the beginning and 680.9MB in the end (delta: -550.7MB). Peak memory consumption was 224.2MB. Max. memory is 16.1GB. [2024-11-20 01:22:00,731 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 01:22:00,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.65ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 110.7MB in the end (delta: 19.5MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-11-20 01:22:00,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 629.34ms. Allocated memory was 165.7MB in the beginning and 232.8MB in the end (delta: 67.1MB). Free memory was 110.7MB in the beginning and 94.4MB in the end (delta: 16.4MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2024-11-20 01:22:00,732 INFO L158 Benchmark]: Boogie Preprocessor took 792.18ms. Allocated memory is still 232.8MB. Free memory was 94.4MB in the beginning and 87.8MB in the end (delta: 6.6MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-11-20 01:22:00,733 INFO L158 Benchmark]: RCFGBuilder took 5423.51ms. Allocated memory was 232.8MB in the beginning and 683.7MB in the end (delta: 450.9MB). Free memory was 87.8MB in the beginning and 507.9MB in the end (delta: -420.1MB). Peak memory consumption was 272.2MB. Max. memory is 16.1GB. [2024-11-20 01:22:00,733 INFO L158 Benchmark]: TraceAbstraction took 7286.92ms. Allocated memory was 683.7MB in the beginning and 939.5MB in the end (delta: 255.9MB). Free memory was 507.9MB in the beginning and 680.9MB in the end (delta: -173.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-11-20 01:22:00,733 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 939.5MB. Free memory is still 680.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 01:22:00,735 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.65ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 110.7MB in the end (delta: 19.5MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 629.34ms. Allocated memory was 165.7MB in the beginning and 232.8MB in the end (delta: 67.1MB). Free memory was 110.7MB in the beginning and 94.4MB in the end (delta: 16.4MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 792.18ms. Allocated memory is still 232.8MB. Free memory was 94.4MB in the beginning and 87.8MB in the end (delta: 6.6MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5423.51ms. Allocated memory was 232.8MB in the beginning and 683.7MB in the end (delta: 450.9MB). Free memory was 87.8MB in the beginning and 507.9MB in the end (delta: -420.1MB). Peak memory consumption was 272.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7286.92ms. Allocated memory was 683.7MB in the beginning and 939.5MB in the end (delta: 255.9MB). Free memory was 507.9MB in the beginning and 680.9MB in the end (delta: -173.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 939.5MB. Free memory is still 680.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 215. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_3 var_75 = 0; [L41] const SORT_4 var_77 = 20; [L42] const SORT_2 var_81 = 3; [L43] const SORT_4 var_85 = 1; [L44] const SORT_2 var_91 = 4; [L45] const SORT_4 var_93 = 2; [L46] const SORT_2 var_117 = 12; [L47] const SORT_2 var_140 = 2; [L48] const SORT_2 var_181 = 15; [L49] const SORT_2 var_198 = 10; [L51] SORT_1 input_82; [L52] SORT_1 input_92; [L53] SORT_1 input_98; [L54] SORT_1 input_122; [L55] SORT_1 input_125; [L56] SORT_1 input_126; [L57] SORT_1 input_127; [L58] SORT_1 input_128; [L59] SORT_1 input_147; [L60] SORT_1 input_148; [L61] SORT_1 input_170; [L62] SORT_1 input_174; [L63] SORT_1 input_217; [L64] SORT_1 input_220; [L65] SORT_1 input_241; [L66] SORT_1 input_262; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L68] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L69] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L70] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L71] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L72] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L73] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L74] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L75] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L76] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L77] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L78] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L79] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L80] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L81] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L82] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L83] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L84] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L85] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L86] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L87] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L88] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L89] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L90] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L91] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L92] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L93] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L94] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L95] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L96] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L97] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L98] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L99] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L100] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_198=10, var_30=0, var_5=0, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L101] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_2 init_7_arg_1 = var_5; [L104] state_6 = init_7_arg_1 [L105] SORT_2 init_9_arg_1 = var_5; [L106] state_8 = init_9_arg_1 [L107] SORT_2 init_11_arg_1 = var_5; [L108] state_10 = init_11_arg_1 [L109] SORT_2 init_13_arg_1 = var_5; [L110] state_12 = init_13_arg_1 [L111] SORT_2 init_15_arg_1 = var_5; [L112] state_14 = init_15_arg_1 [L113] SORT_2 init_17_arg_1 = var_5; [L114] state_16 = init_17_arg_1 [L115] SORT_2 init_19_arg_1 = var_5; [L116] state_18 = init_19_arg_1 [L117] SORT_2 init_21_arg_1 = var_5; [L118] state_20 = init_21_arg_1 [L119] SORT_2 init_23_arg_1 = var_5; [L120] state_22 = init_23_arg_1 [L121] SORT_2 init_25_arg_1 = var_5; [L122] state_24 = init_25_arg_1 [L123] SORT_2 init_27_arg_1 = var_5; [L124] state_26 = init_27_arg_1 [L125] SORT_2 init_29_arg_1 = var_5; [L126] state_28 = init_29_arg_1 [L127] SORT_1 init_32_arg_1 = var_30; [L128] state_31 = init_32_arg_1 [L129] SORT_1 init_34_arg_1 = var_30; [L130] state_33 = init_34_arg_1 [L131] SORT_1 init_36_arg_1 = var_30; [L132] state_35 = init_36_arg_1 [L133] SORT_1 init_38_arg_1 = var_30; [L134] state_37 = init_38_arg_1 [L135] SORT_1 init_40_arg_1 = var_30; [L136] state_39 = init_40_arg_1 [L137] SORT_1 init_42_arg_1 = var_30; [L138] state_41 = init_42_arg_1 [L139] SORT_1 init_44_arg_1 = var_30; [L140] state_43 = init_44_arg_1 [L141] SORT_1 init_46_arg_1 = var_30; [L142] state_45 = init_46_arg_1 [L143] SORT_1 init_48_arg_1 = var_30; [L144] state_47 = init_48_arg_1 [L145] SORT_1 init_50_arg_1 = var_30; [L146] state_49 = init_50_arg_1 [L147] SORT_1 init_52_arg_1 = var_30; [L148] state_51 = init_52_arg_1 [L149] SORT_1 init_54_arg_1 = var_30; [L150] state_53 = init_54_arg_1 [L151] SORT_1 init_56_arg_1 = var_30; [L152] state_55 = init_56_arg_1 [L153] SORT_1 init_58_arg_1 = var_30; [L154] state_57 = init_58_arg_1 [L155] SORT_1 init_60_arg_1 = var_30; [L156] state_59 = init_60_arg_1 [L157] SORT_1 init_62_arg_1 = var_30; [L158] state_61 = init_62_arg_1 [L159] SORT_1 init_64_arg_1 = var_30; [L160] state_63 = init_64_arg_1 [L161] SORT_1 init_66_arg_1 = var_30; [L162] state_65 = init_66_arg_1 [L163] SORT_1 init_68_arg_1 = var_30; [L164] state_67 = init_68_arg_1 [L165] SORT_1 init_70_arg_1 = var_30; [L166] state_69 = init_70_arg_1 [L167] SORT_1 init_72_arg_1 = var_30; [L168] state_71 = init_72_arg_1 [L169] SORT_1 init_74_arg_1 = var_30; [L170] state_73 = init_74_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L173] input_82 = __VERIFIER_nondet_uchar() [L174] EXPR input_82 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L174] input_82 = input_82 & mask_SORT_1 [L175] input_92 = __VERIFIER_nondet_uchar() [L176] EXPR input_92 & mask_SORT_1 VAL [input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L176] input_92 = input_92 & mask_SORT_1 [L177] input_98 = __VERIFIER_nondet_uchar() [L178] EXPR input_98 & mask_SORT_1 VAL [input_82=0, input_92=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L178] input_98 = input_98 & mask_SORT_1 [L179] input_122 = __VERIFIER_nondet_uchar() [L180] EXPR input_122 & mask_SORT_1 VAL [input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L180] input_122 = input_122 & mask_SORT_1 [L181] input_125 = __VERIFIER_nondet_uchar() [L182] EXPR input_125 & mask_SORT_1 VAL [input_122=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L182] input_125 = input_125 & mask_SORT_1 [L183] input_126 = __VERIFIER_nondet_uchar() [L184] EXPR input_126 & mask_SORT_1 VAL [input_122=0, input_125=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L184] input_126 = input_126 & mask_SORT_1 [L185] input_127 = __VERIFIER_nondet_uchar() [L186] EXPR input_127 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L186] input_127 = input_127 & mask_SORT_1 [L187] input_128 = __VERIFIER_nondet_uchar() [L188] EXPR input_128 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L188] input_128 = input_128 & mask_SORT_1 [L189] input_147 = __VERIFIER_nondet_uchar() [L190] EXPR input_147 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L190] input_147 = input_147 & mask_SORT_1 [L191] input_148 = __VERIFIER_nondet_uchar() [L192] EXPR input_148 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L192] input_148 = input_148 & mask_SORT_1 [L193] input_170 = __VERIFIER_nondet_uchar() [L194] EXPR input_170 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L194] input_170 = input_170 & mask_SORT_1 [L195] input_174 = __VERIFIER_nondet_uchar() [L196] EXPR input_174 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L196] input_174 = input_174 & mask_SORT_1 [L197] input_217 = __VERIFIER_nondet_uchar() [L198] EXPR input_217 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L198] input_217 = input_217 & mask_SORT_1 [L199] input_220 = __VERIFIER_nondet_uchar() [L200] EXPR input_220 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L200] input_220 = input_220 & mask_SORT_1 [L201] input_241 = __VERIFIER_nondet_uchar() [L202] input_262 = __VERIFIER_nondet_uchar() [L205] SORT_3 var_76_arg_0 = var_75; [L206] SORT_2 var_76_arg_1 = state_28; VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_76_arg_0=0, var_76_arg_1=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L207] EXPR ((SORT_4)var_76_arg_0 << 8) | var_76_arg_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L207] SORT_4 var_76 = ((SORT_4)var_76_arg_0 << 8) | var_76_arg_1; [L208] EXPR var_76 & mask_SORT_4 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L208] var_76 = var_76 & mask_SORT_4 [L209] SORT_4 var_78_arg_0 = var_76; [L210] SORT_4 var_78_arg_1 = var_77; [L211] SORT_1 var_78 = var_78_arg_0 <= var_78_arg_1; [L212] SORT_1 var_79_arg_0 = ~state_73; VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_76=0, var_77=20, var_78=1, var_79_arg_0=-1, var_81=3, var_85=1, var_91=4, var_93=2] [L213] EXPR var_79_arg_0 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_76=0, var_77=20, var_78=1, var_81=3, var_85=1, var_91=4, var_93=2] [L213] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L214] SORT_1 var_79_arg_1 = ~var_78; VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_76=0, var_77=20, var_79_arg_0=1, var_79_arg_1=-2, var_81=3, var_85=1, var_91=4, var_93=2] [L215] EXPR var_79_arg_1 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_76=0, var_77=20, var_79_arg_0=1, var_81=3, var_85=1, var_91=4, var_93=2] [L215] var_79_arg_1 = var_79_arg_1 & mask_SORT_1 [L216] EXPR var_79_arg_0 & var_79_arg_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_76=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L216] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L217] EXPR var_79 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_217=0, input_220=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_198=10, var_75=0, var_76=0, var_77=20, var_81=3, var_85=1, var_91=4, var_93=2] [L217] var_79 = var_79 & mask_SORT_1 [L218] SORT_1 bad_80_arg_0 = var_79; [L219] CALL __VERIFIER_assert(!(bad_80_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1570 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4502 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4502 mSDsluCounter, 42942 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29803 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3948 IncrementalHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13139 mSDtfsCounter, 3948 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1657occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1362 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 812 NumberOfCodeBlocks, 812 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 1981 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 01:22:00,765 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.krebs.2.prop1-func-interl.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 6d786879f21443213b301092b19eae5efebfd81144e40b7e6f6914d5cc6ac7cf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 01:22:03,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 01:22:03,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-20 01:22:03,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 01:22:03,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 01:22:03,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 01:22:03,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 01:22:03,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 01:22:03,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 01:22:03,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 01:22:03,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 01:22:03,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 01:22:03,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 01:22:03,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 01:22:03,324 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 01:22:03,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 01:22:03,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 01:22:03,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 01:22:03,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 01:22:03,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 01:22:03,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 01:22:03,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 01:22:03,327 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 01:22:03,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 01:22:03,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 01:22:03,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 01:22:03,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 01:22:03,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 01:22:03,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 01:22:03,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 01:22:03,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 01:22:03,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:22:03,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 01:22:03,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 01:22:03,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 01:22:03,331 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 01:22:03,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 01:22:03,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 01:22:03,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 01:22:03,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 01:22:03,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 01:22:03,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d786879f21443213b301092b19eae5efebfd81144e40b7e6f6914d5cc6ac7cf [2024-11-20 01:22:03,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 01:22:03,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 01:22:03,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 01:22:03,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 01:22:03,725 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 01:22:03,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c [2024-11-20 01:22:05,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 01:22:05,568 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 01:22:05,569 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c [2024-11-20 01:22:05,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98456f583/5ee3411b81a046509360af41d3e1b237/FLAGf4a815f8a [2024-11-20 01:22:05,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98456f583/5ee3411b81a046509360af41d3e1b237 [2024-11-20 01:22:05,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 01:22:05,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 01:22:05,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 01:22:05,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 01:22:05,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 01:22:05,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:22:05" (1/1) ... [2024-11-20 01:22:05,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cac4ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:05, skipping insertion in model container [2024-11-20 01:22:05,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:22:05" (1/1) ... [2024-11-20 01:22:05,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 01:22:05,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c[1172,1185] [2024-11-20 01:22:06,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:22:06,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 01:22:06,258 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.2.prop1-func-interl.c[1172,1185] [2024-11-20 01:22:06,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:22:06,392 INFO L204 MainTranslator]: Completed translation [2024-11-20 01:22:06,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06 WrapperNode [2024-11-20 01:22:06,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 01:22:06,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 01:22:06,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 01:22:06,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 01:22:06,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,539 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1538 [2024-11-20 01:22:06,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 01:22:06,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 01:22:06,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 01:22:06,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 01:22:06,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,647 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 01:22:06,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 01:22:06,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 01:22:06,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 01:22:06,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 01:22:06,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (1/1) ... [2024-11-20 01:22:06,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:22:06,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 01:22:06,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 01:22:06,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 01:22:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 01:22:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 01:22:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 01:22:06,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 01:22:07,148 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 01:22:07,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 01:22:08,664 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-20 01:22:08,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 01:22:08,677 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 01:22:08,677 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 01:22:08,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:22:08 BoogieIcfgContainer [2024-11-20 01:22:08,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 01:22:08,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 01:22:08,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 01:22:08,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 01:22:08,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:22:05" (1/3) ... [2024-11-20 01:22:08,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706e71e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:22:08, skipping insertion in model container [2024-11-20 01:22:08,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:22:06" (2/3) ... [2024-11-20 01:22:08,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706e71e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:22:08, skipping insertion in model container [2024-11-20 01:22:08,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:22:08" (3/3) ... [2024-11-20 01:22:08,690 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.2.prop1-func-interl.c [2024-11-20 01:22:08,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 01:22:08,708 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 01:22:08,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 01:22:08,784 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;@6daecb2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 01:22:08,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 01:22:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 01:22:08,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:22:08,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 01:22:08,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:22:08,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:22:08,805 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-20 01:22:08,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 01:22:08,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380798088] [2024-11-20 01:22:08,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:22:08,821 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:22:08,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 01:22:08,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 01:22:08,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 01:22:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:22:09,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 01:22:09,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 01:22:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:22:09,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 01:22:09,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 01:22:09,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380798088] [2024-11-20 01:22:09,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380798088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:22:09,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:22:09,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:22:09,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577039344] [2024-11-20 01:22:09,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:22:09,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:22:09,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 01:22:09,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:22:09,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:22:09,500 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:09,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:22:09,631 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-20 01:22:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:22:09,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 01:22:09,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:22:09,641 INFO L225 Difference]: With dead ends: 18 [2024-11-20 01:22:09,641 INFO L226 Difference]: Without dead ends: 10 [2024-11-20 01:22:09,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 01:22:09,647 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 01:22:09,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 01:22:09,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-20 01:22:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-20 01:22:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-20 01:22:09,678 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-20 01:22:09,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:22:09,678 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-20 01:22:09,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-20 01:22:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 01:22:09,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:22:09,680 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-20 01:22:09,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 01:22:09,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:22:09,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:22:09,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:22:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-20 01:22:09,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 01:22:09,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764423456] [2024-11-20 01:22:09,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:22:09,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:22:09,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 01:22:09,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 01:22:09,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 01:22:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:22:10,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 01:22:10,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 01:22:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:22:10,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 01:22:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:22:25,773 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 01:22:25,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764423456] [2024-11-20 01:22:25,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764423456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 01:22:25,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 01:22:25,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-20 01:22:25,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265269463] [2024-11-20 01:22:25,774 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 01:22:25,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 01:22:25,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 01:22:25,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 01:22:25,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=59, Unknown=3, NotChecked=0, Total=90 [2024-11-20 01:22:25,778 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:29,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:22:29,616 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-20 01:22:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 01:22:29,617 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 01:22:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:22:29,618 INFO L225 Difference]: With dead ends: 18 [2024-11-20 01:22:29,618 INFO L226 Difference]: Without dead ends: 16 [2024-11-20 01:22:29,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=73, Invalid=134, Unknown=3, NotChecked=0, Total=210 [2024-11-20 01:22:29,619 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 01:22:29,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 01:22:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-20 01:22:29,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-20 01:22:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-20 01:22:29,625 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-20 01:22:29,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:22:29,626 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-20 01:22:29,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:22:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-20 01:22:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 01:22:29,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:22:29,627 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-20 01:22:29,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-20 01:22:29,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:22:29,828 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:22:29,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:22:29,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times [2024-11-20 01:22:29,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 01:22:29,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058011593] [2024-11-20 01:22:29,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 01:22:29,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:22:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 01:22:29,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 01:22:29,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-20 01:22:30,825 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 01:22:30,825 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 01:22:30,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-20 01:22:30,867 INFO L278 TraceCheckSpWp]: Computing forward predicates...