./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.anderson.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.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 db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 03:15:17,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 03:15:17,438 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 03:15:17,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 03:15:17,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 03:15:17,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 03:15:17,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 03:15:17,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 03:15:17,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 03:15:17,473 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 03:15:17,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 03:15:17,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 03:15:17,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 03:15:17,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 03:15:17,477 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 03:15:17,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 03:15:17,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 03:15:17,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 03:15:17,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 03:15:17,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 03:15:17,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 03:15:17,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 03:15:17,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 03:15:17,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 03:15:17,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 03:15:17,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 03:15:17,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 03:15:17,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 03:15:17,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 03:15:17,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:15:17,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 03:15:17,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 03:15:17,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 03:15:17,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 03:15:17,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 03:15:17,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 03:15:17,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 03:15:17,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 03:15:17,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 03:15:17,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 [2024-10-24 03:15:17,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 03:15:17,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 03:15:17,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 03:15:17,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 03:15:17,751 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 03:15:17,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-10-24 03:15:19,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 03:15:19,560 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 03:15:19,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-10-24 03:15:19,583 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34e532c3/245ebb037f504f8691ede2e7e4b2fc53/FLAG9ab99a352 [2024-10-24 03:15:19,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34e532c3/245ebb037f504f8691ede2e7e4b2fc53 [2024-10-24 03:15:19,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 03:15:19,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 03:15:19,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 03:15:19,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 03:15:19,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 03:15:19,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:15:19" (1/1) ... [2024-10-24 03:15:19,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109bb31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:19, skipping insertion in model container [2024-10-24 03:15:19,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:15:19" (1/1) ... [2024-10-24 03:15:19,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 03:15:19,901 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2024-10-24 03:15:20,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:15:20,424 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 03:15:20,436 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2024-10-24 03:15:20,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:15:20,667 INFO L204 MainTranslator]: Completed translation [2024-10-24 03:15:20,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20 WrapperNode [2024-10-24 03:15:20,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 03:15:20,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 03:15:20,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 03:15:20,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 03:15:20,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:20,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:22,194 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8651 [2024-10-24 03:15:22,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 03:15:22,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 03:15:22,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 03:15:22,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 03:15:22,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:22,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:22,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:22,768 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 03:15:22,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:22,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:23,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:23,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:23,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:23,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:23,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 03:15:23,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 03:15:23,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 03:15:23,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 03:15:23,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (1/1) ... [2024-10-24 03:15:23,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:15:23,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 03:15:23,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 03:15:23,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 03:15:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 03:15:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 03:15:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 03:15:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 03:15:24,010 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 03:15:24,012 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 03:15:33,091 INFO L? ?]: Removed 4793 outVars from TransFormulas that were not future-live. [2024-10-24 03:15:33,091 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 03:15:33,239 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 03:15:33,239 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 03:15:33,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:15:33 BoogieIcfgContainer [2024-10-24 03:15:33,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 03:15:33,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 03:15:33,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 03:15:33,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 03:15:33,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:15:19" (1/3) ... [2024-10-24 03:15:33,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2c6cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:15:33, skipping insertion in model container [2024-10-24 03:15:33,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:20" (2/3) ... [2024-10-24 03:15:33,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2c6cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:15:33, skipping insertion in model container [2024-10-24 03:15:33,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:15:33" (3/3) ... [2024-10-24 03:15:33,251 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-10-24 03:15:33,268 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 03:15:33,269 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 03:15:33,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 03:15:33,404 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;@331a9571, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 03:15:33,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 03:15:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 2987 states, 2985 states have (on average 1.5055276381909548) internal successors, (4494), 2986 states have internal predecessors, (4494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 03:15:33,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:15:33,437 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] [2024-10-24 03:15:33,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:15:33,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:15:33,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1052405187, now seen corresponding path program 1 times [2024-10-24 03:15:33,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:15:33,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528628107] [2024-10-24 03:15:33,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:15:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:15:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:15:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 03:15:34,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:15:34,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528628107] [2024-10-24 03:15:34,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528628107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:15:34,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:15:34,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:15:34,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453667578] [2024-10-24 03:15:34,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:15:34,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 03:15:34,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:15:34,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 03:15:34,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:15:34,650 INFO L87 Difference]: Start difference. First operand has 2987 states, 2985 states have (on average 1.5055276381909548) internal successors, (4494), 2986 states have internal predecessors, (4494), 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 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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) [2024-10-24 03:15:38,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:15:38,286 INFO L93 Difference]: Finished difference Result 8649 states and 13018 transitions. [2024-10-24 03:15:38,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 03:15:38,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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 [2024-10-24 03:15:38,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:15:38,337 INFO L225 Difference]: With dead ends: 8649 [2024-10-24 03:15:38,337 INFO L226 Difference]: Without dead ends: 5811 [2024-10-24 03:15:38,352 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 [2024-10-24 03:15:38,355 INFO L432 NwaCegarLoop]: 3490 mSDtfsCounter, 4366 mSDsluCounter, 10335 mSDsCounter, 0 mSdLazyCounter, 3920 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4366 SdHoareTripleChecker+Valid, 13825 SdHoareTripleChecker+Invalid, 3921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-24 03:15:38,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4366 Valid, 13825 Invalid, 3921 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3920 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-24 03:15:38,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5811 states. [2024-10-24 03:15:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5811 to 3053. [2024-10-24 03:15:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3052 states have (on average 1.504259501965924) internal successors, (4591), 3052 states have internal predecessors, (4591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4591 transitions. [2024-10-24 03:15:38,538 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4591 transitions. Word has length 118 [2024-10-24 03:15:38,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:15:38,540 INFO L471 AbstractCegarLoop]: Abstraction has 3053 states and 4591 transitions. [2024-10-24 03:15:38,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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) [2024-10-24 03:15:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4591 transitions. [2024-10-24 03:15:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 03:15:38,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:15:38,548 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, 1] [2024-10-24 03:15:38,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 03:15:38,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:15:38,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:15:38,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2095724474, now seen corresponding path program 1 times [2024-10-24 03:15:38,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:15:38,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431444843] [2024-10-24 03:15:38,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:15:38,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:15:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:15:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 03:15:39,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:15:39,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431444843] [2024-10-24 03:15:39,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431444843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:15:39,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:15:39,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:15:39,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317829360] [2024-10-24 03:15:39,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:15:39,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:15:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:15:39,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:15:39,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:15:39,124 INFO L87 Difference]: Start difference. First operand 3053 states and 4591 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:39,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:15:39,231 INFO L93 Difference]: Finished difference Result 3057 states and 4595 transitions. [2024-10-24 03:15:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:15:39,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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 120 [2024-10-24 03:15:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:15:39,246 INFO L225 Difference]: With dead ends: 3057 [2024-10-24 03:15:39,247 INFO L226 Difference]: Without dead ends: 3055 [2024-10-24 03:15:39,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:15:39,251 INFO L432 NwaCegarLoop]: 4489 mSDtfsCounter, 0 mSDsluCounter, 8973 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13462 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 03:15:39,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13462 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:15:39,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2024-10-24 03:15:39,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 3055. [2024-10-24 03:15:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 3054 states have (on average 1.5039292730844793) internal successors, (4593), 3054 states have internal predecessors, (4593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 4593 transitions. [2024-10-24 03:15:39,324 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 4593 transitions. Word has length 120 [2024-10-24 03:15:39,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:15:39,326 INFO L471 AbstractCegarLoop]: Abstraction has 3055 states and 4593 transitions. [2024-10-24 03:15:39,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 4593 transitions. [2024-10-24 03:15:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-24 03:15:39,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:15:39,332 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, 1, 1] [2024-10-24 03:15:39,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 03:15:39,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:15:39,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:15:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash 544645148, now seen corresponding path program 1 times [2024-10-24 03:15:39,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:15:39,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948557837] [2024-10-24 03:15:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:15:39,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:15:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:15:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 03:15:39,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:15:39,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948557837] [2024-10-24 03:15:39,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948557837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:15:39,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:15:39,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:15:39,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376964936] [2024-10-24 03:15:39,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:15:39,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:15:39,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:15:39,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:15:39,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:15:39,688 INFO L87 Difference]: Start difference. First operand 3055 states and 4593 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:15:39,812 INFO L93 Difference]: Finished difference Result 5896 states and 8867 transitions. [2024-10-24 03:15:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:15:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 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 121 [2024-10-24 03:15:39,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:15:39,825 INFO L225 Difference]: With dead ends: 5896 [2024-10-24 03:15:39,826 INFO L226 Difference]: Without dead ends: 3057 [2024-10-24 03:15:39,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:15:39,834 INFO L432 NwaCegarLoop]: 4489 mSDtfsCounter, 0 mSDsluCounter, 8970 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13459 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 03:15:39,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13459 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:15:39,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2024-10-24 03:15:39,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 3057. [2024-10-24 03:15:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 3056 states have (on average 1.5035994764397906) internal successors, (4595), 3056 states have internal predecessors, (4595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4595 transitions. [2024-10-24 03:15:39,915 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4595 transitions. Word has length 121 [2024-10-24 03:15:39,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:15:39,917 INFO L471 AbstractCegarLoop]: Abstraction has 3057 states and 4595 transitions. [2024-10-24 03:15:39,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4595 transitions. [2024-10-24 03:15:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-24 03:15:39,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:15:39,920 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, 1, 1, 1] [2024-10-24 03:15:39,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 03:15:39,921 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:15:39,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:15:39,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1393834797, now seen corresponding path program 1 times [2024-10-24 03:15:39,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:15:39,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958162859] [2024-10-24 03:15:39,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:15:39,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:15:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:15:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 03:15:40,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:15:40,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958162859] [2024-10-24 03:15:40,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958162859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:15:40,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:15:40,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 03:15:40,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368536805] [2024-10-24 03:15:40,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:15:40,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:15:40,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:15:40,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:15:40,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:15:40,305 INFO L87 Difference]: Start difference. First operand 3057 states and 4595 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:40,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:15:40,436 INFO L93 Difference]: Finished difference Result 5900 states and 8871 transitions. [2024-10-24 03:15:40,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:15:40,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 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 122 [2024-10-24 03:15:40,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:15:40,449 INFO L225 Difference]: With dead ends: 5900 [2024-10-24 03:15:40,450 INFO L226 Difference]: Without dead ends: 3059 [2024-10-24 03:15:40,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:15:40,459 INFO L432 NwaCegarLoop]: 4489 mSDtfsCounter, 0 mSDsluCounter, 8964 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13453 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 03:15:40,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13453 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 03:15:40,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2024-10-24 03:15:40,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 3059. [2024-10-24 03:15:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3059 states, 3058 states have (on average 1.5032701111837803) internal successors, (4597), 3058 states have internal predecessors, (4597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 3059 states and 4597 transitions. [2024-10-24 03:15:40,548 INFO L78 Accepts]: Start accepts. Automaton has 3059 states and 4597 transitions. Word has length 122 [2024-10-24 03:15:40,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:15:40,549 INFO L471 AbstractCegarLoop]: Abstraction has 3059 states and 4597 transitions. [2024-10-24 03:15:40,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 4597 transitions. [2024-10-24 03:15:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 03:15:40,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:15:40,553 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, 1, 1, 1, 1] [2024-10-24 03:15:40,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 03:15:40,554 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:15:40,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:15:40,554 INFO L85 PathProgramCache]: Analyzing trace with hash 649681795, now seen corresponding path program 1 times [2024-10-24 03:15:40,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:15:40,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794452719] [2024-10-24 03:15:40,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:15:40,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:15:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:15:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 03:15:41,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 03:15:41,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794452719] [2024-10-24 03:15:41,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794452719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:15:41,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:15:41,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 03:15:41,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601649370] [2024-10-24 03:15:41,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:15:41,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 03:15:41,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 03:15:41,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 03:15:41,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 03:15:41,230 INFO L87 Difference]: Start difference. First operand 3059 states and 4597 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:43,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:15:43,941 INFO L93 Difference]: Finished difference Result 5913 states and 8887 transitions. [2024-10-24 03:15:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 03:15:43,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 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 123 [2024-10-24 03:15:43,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:15:43,957 INFO L225 Difference]: With dead ends: 5913 [2024-10-24 03:15:43,957 INFO L226 Difference]: Without dead ends: 3070 [2024-10-24 03:15:43,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-24 03:15:43,963 INFO L432 NwaCegarLoop]: 3457 mSDtfsCounter, 4398 mSDsluCounter, 10360 mSDsCounter, 0 mSdLazyCounter, 4150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4398 SdHoareTripleChecker+Valid, 13817 SdHoareTripleChecker+Invalid, 4151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 03:15:43,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4398 Valid, 13817 Invalid, 4151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4150 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 03:15:43,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2024-10-24 03:15:44,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 3069. [2024-10-24 03:15:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3069 states, 3068 states have (on average 1.5022816166883963) internal successors, (4609), 3068 states have internal predecessors, (4609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 4609 transitions. [2024-10-24 03:15:44,040 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 4609 transitions. Word has length 123 [2024-10-24 03:15:44,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:15:44,040 INFO L471 AbstractCegarLoop]: Abstraction has 3069 states and 4609 transitions. [2024-10-24 03:15:44,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 4609 transitions. [2024-10-24 03:15:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 03:15:44,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:15:44,043 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, 1, 1, 1, 1, 1] [2024-10-24 03:15:44,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 03:15:44,044 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:15:44,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:15:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1015353808, now seen corresponding path program 1 times [2024-10-24 03:15:44,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 03:15:44,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221015187] [2024-10-24 03:15:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:15:44,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 03:15:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 03:15:44,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 03:15:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 03:15:44,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 03:15:44,313 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 03:15:44,314 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 03:15:44,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 03:15:44,322 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-24 03:15:44,428 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 03:15:44,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:15:44 BoogieIcfgContainer [2024-10-24 03:15:44,431 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 03:15:44,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 03:15:44,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 03:15:44,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 03:15:44,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:15:33" (3/4) ... [2024-10-24 03:15:44,435 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 03:15:44,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 03:15:44,437 INFO L158 Benchmark]: Toolchain (without parser) took 24834.36ms. Allocated memory was 165.7MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 107.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-10-24 03:15:44,437 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 03:15:44,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1062.58ms. Allocated memory was 165.7MB in the beginning and 230.7MB in the end (delta: 65.0MB). Free memory was 107.1MB in the beginning and 120.9MB in the end (delta: -13.8MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-10-24 03:15:44,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 1526.54ms. Allocated memory was 230.7MB in the beginning and 461.4MB in the end (delta: 230.7MB). Free memory was 120.9MB in the beginning and 282.1MB in the end (delta: -161.1MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. [2024-10-24 03:15:44,440 INFO L158 Benchmark]: Boogie Preprocessor took 1247.16ms. Allocated memory is still 461.4MB. Free memory was 282.1MB in the beginning and 221.2MB in the end (delta: 60.8MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-10-24 03:15:44,440 INFO L158 Benchmark]: RCFGBuilder took 9795.26ms. Allocated memory was 461.4MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 220.2MB in the beginning and 1.2GB in the end (delta: -956.3MB). Peak memory consumption was 563.1MB. Max. memory is 16.1GB. [2024-10-24 03:15:44,441 INFO L158 Benchmark]: TraceAbstraction took 11189.76ms. Allocated memory was 1.8GB in the beginning and 2.8GB in the end (delta: 962.6MB). Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: -39.8MB). Peak memory consumption was 922.7MB. Max. memory is 16.1GB. [2024-10-24 03:15:44,441 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 2.8GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 03:15:44,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1062.58ms. Allocated memory was 165.7MB in the beginning and 230.7MB in the end (delta: 65.0MB). Free memory was 107.1MB in the beginning and 120.9MB in the end (delta: -13.8MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1526.54ms. Allocated memory was 230.7MB in the beginning and 461.4MB in the end (delta: 230.7MB). Free memory was 120.9MB in the beginning and 282.1MB in the end (delta: -161.1MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1247.16ms. Allocated memory is still 461.4MB. Free memory was 282.1MB in the beginning and 221.2MB in the end (delta: 60.8MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * RCFGBuilder took 9795.26ms. Allocated memory was 461.4MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 220.2MB in the beginning and 1.2GB in the end (delta: -956.3MB). Peak memory consumption was 563.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11189.76ms. Allocated memory was 1.8GB in the beginning and 2.8GB in the end (delta: 962.6MB). Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: -39.8MB). Peak memory consumption was 922.7MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 2.8GB. Free memory is still 1.2GB. 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 284. 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_28 = 0; [L40] const SORT_4 var_81 = 1; [L41] const SORT_4 var_82 = 0; [L42] const SORT_2 var_95 = 1; [L43] const SORT_3 var_97 = 0; [L44] const SORT_4 var_100 = 5; [L45] const SORT_2 var_110 = 0; [L46] const SORT_4 var_203 = 2; [L47] const SORT_4 var_235 = 3; [L48] const SORT_4 var_267 = 4; [L49] const SORT_2 var_446 = 4; [L50] const SORT_2 var_456 = 2; [L51] const SORT_2 var_458 = 3; [L53] SORT_1 input_96; [L54] SORT_1 input_104; [L55] SORT_1 input_111; [L56] SORT_1 input_117; [L57] SORT_1 input_123; [L58] SORT_1 input_129; [L59] SORT_1 input_135; [L60] SORT_1 input_141; [L61] SORT_1 input_147; [L62] SORT_1 input_153; [L63] SORT_1 input_299; [L64] SORT_1 input_303; [L65] SORT_1 input_306; [L66] SORT_1 input_307; [L67] SORT_1 input_308; [L68] SORT_1 input_309; [L69] SORT_1 input_310; [L70] SORT_1 input_311; [L71] SORT_1 input_312; [L72] SORT_1 input_313; [L73] SORT_1 input_325; [L74] SORT_1 input_331; [L75] SORT_1 input_337; [L76] SORT_1 input_343; [L77] SORT_1 input_349; [L78] SORT_1 input_364; [L79] SORT_1 input_382; [L80] SORT_1 input_400; [L81] SORT_1 input_418; [L82] SORT_1 input_436; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L84] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L85] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L86] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L87] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L88] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L89] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L90] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L91] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L92] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L93] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L94] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L95] SORT_1 state_29 = __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, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L96] SORT_1 state_31 = __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, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L97] SORT_1 state_33 = __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, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L98] SORT_1 state_35 = __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, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L99] SORT_1 state_37 = __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, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L100] SORT_1 state_39 = __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, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L101] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L102] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L103] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L104] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L105] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L106] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L107] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L108] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L109] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L110] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L111] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L112] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L113] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L114] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L115] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L116] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L117] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L118] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L119] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L120] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_2 init_7_arg_1 = var_5; [L123] state_6 = init_7_arg_1 [L124] SORT_2 init_9_arg_1 = var_5; [L125] state_8 = init_9_arg_1 [L126] SORT_2 init_11_arg_1 = var_5; [L127] state_10 = init_11_arg_1 [L128] SORT_2 init_13_arg_1 = var_5; [L129] state_12 = init_13_arg_1 [L130] SORT_2 init_15_arg_1 = var_5; [L131] state_14 = init_15_arg_1 [L132] SORT_2 init_17_arg_1 = var_5; [L133] state_16 = init_17_arg_1 [L134] SORT_2 init_19_arg_1 = var_5; [L135] state_18 = init_19_arg_1 [L136] SORT_2 init_21_arg_1 = var_5; [L137] state_20 = init_21_arg_1 [L138] SORT_2 init_23_arg_1 = var_5; [L139] state_22 = init_23_arg_1 [L140] SORT_2 init_25_arg_1 = var_5; [L141] state_24 = init_25_arg_1 [L142] SORT_2 init_27_arg_1 = var_5; [L143] state_26 = init_27_arg_1 [L144] SORT_1 init_30_arg_1 = var_28; [L145] state_29 = init_30_arg_1 [L146] SORT_1 init_32_arg_1 = var_28; [L147] state_31 = init_32_arg_1 [L148] SORT_1 init_34_arg_1 = var_28; [L149] state_33 = init_34_arg_1 [L150] SORT_1 init_36_arg_1 = var_28; [L151] state_35 = init_36_arg_1 [L152] SORT_1 init_38_arg_1 = var_28; [L153] state_37 = init_38_arg_1 [L154] SORT_1 init_40_arg_1 = var_28; [L155] state_39 = init_40_arg_1 [L156] SORT_1 init_42_arg_1 = var_28; [L157] state_41 = init_42_arg_1 [L158] SORT_1 init_44_arg_1 = var_28; [L159] state_43 = init_44_arg_1 [L160] SORT_1 init_46_arg_1 = var_28; [L161] state_45 = init_46_arg_1 [L162] SORT_1 init_48_arg_1 = var_28; [L163] state_47 = init_48_arg_1 [L164] SORT_1 init_50_arg_1 = var_28; [L165] state_49 = init_50_arg_1 [L166] SORT_1 init_52_arg_1 = var_28; [L167] state_51 = init_52_arg_1 [L168] SORT_1 init_54_arg_1 = var_28; [L169] state_53 = init_54_arg_1 [L170] SORT_1 init_56_arg_1 = var_28; [L171] state_55 = init_56_arg_1 [L172] SORT_1 init_58_arg_1 = var_28; [L173] state_57 = init_58_arg_1 [L174] SORT_1 init_60_arg_1 = var_28; [L175] state_59 = init_60_arg_1 [L176] SORT_1 init_62_arg_1 = var_28; [L177] state_61 = init_62_arg_1 [L178] SORT_1 init_64_arg_1 = var_28; [L179] state_63 = init_64_arg_1 [L180] SORT_1 init_66_arg_1 = var_28; [L181] state_65 = init_66_arg_1 [L182] SORT_1 init_68_arg_1 = var_28; [L183] state_67 = init_68_arg_1 [L184] SORT_1 init_70_arg_1 = var_28; [L185] state_69 = init_70_arg_1 [L186] SORT_1 init_72_arg_1 = var_28; [L187] state_71 = init_72_arg_1 [L188] SORT_1 init_74_arg_1 = var_28; [L189] state_73 = init_74_arg_1 [L190] SORT_1 init_76_arg_1 = var_28; [L191] state_75 = init_76_arg_1 [L192] SORT_1 init_78_arg_1 = var_28; [L193] state_77 = init_78_arg_1 [L194] SORT_1 init_80_arg_1 = var_28; [L195] state_79 = init_80_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L198] input_96 = __VERIFIER_nondet_uchar() [L199] input_104 = __VERIFIER_nondet_uchar() [L200] input_111 = __VERIFIER_nondet_uchar() [L201] input_117 = __VERIFIER_nondet_uchar() [L202] input_123 = __VERIFIER_nondet_uchar() [L203] input_129 = __VERIFIER_nondet_uchar() [L204] input_135 = __VERIFIER_nondet_uchar() [L205] input_141 = __VERIFIER_nondet_uchar() [L206] input_147 = __VERIFIER_nondet_uchar() [L207] input_153 = __VERIFIER_nondet_uchar() [L208] input_299 = __VERIFIER_nondet_uchar() [L209] EXPR input_299 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L209] input_299 = input_299 & mask_SORT_1 [L210] input_303 = __VERIFIER_nondet_uchar() [L211] EXPR input_303 & mask_SORT_1 VAL [input_299=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L211] input_303 = input_303 & mask_SORT_1 [L212] input_306 = __VERIFIER_nondet_uchar() [L213] EXPR input_306 & mask_SORT_1 VAL [input_299=0, input_303=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L213] input_306 = input_306 & mask_SORT_1 [L214] input_307 = __VERIFIER_nondet_uchar() [L215] EXPR input_307 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L215] input_307 = input_307 & mask_SORT_1 [L216] input_308 = __VERIFIER_nondet_uchar() [L217] EXPR input_308 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L217] input_308 = input_308 & mask_SORT_1 [L218] input_309 = __VERIFIER_nondet_uchar() [L219] EXPR input_309 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L219] input_309 = input_309 & mask_SORT_1 [L220] input_310 = __VERIFIER_nondet_uchar() [L221] EXPR input_310 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L221] input_310 = input_310 & mask_SORT_1 [L222] input_311 = __VERIFIER_nondet_uchar() [L223] EXPR input_311 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L223] input_311 = input_311 & mask_SORT_1 [L224] input_312 = __VERIFIER_nondet_uchar() [L225] EXPR input_312 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L225] input_312 = input_312 & mask_SORT_1 [L226] input_313 = __VERIFIER_nondet_uchar() [L227] EXPR input_313 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L227] input_313 = input_313 & mask_SORT_1 [L228] input_325 = __VERIFIER_nondet_uchar() [L229] EXPR input_325 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L229] input_325 = input_325 & mask_SORT_1 [L230] input_331 = __VERIFIER_nondet_uchar() [L231] EXPR input_331 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L231] input_331 = input_331 & mask_SORT_1 [L232] input_337 = __VERIFIER_nondet_uchar() [L233] EXPR input_337 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L233] input_337 = input_337 & mask_SORT_1 [L234] input_343 = __VERIFIER_nondet_uchar() [L235] EXPR input_343 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L235] input_343 = input_343 & mask_SORT_1 [L236] input_349 = __VERIFIER_nondet_uchar() [L237] EXPR input_349 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L237] input_349 = input_349 & mask_SORT_1 [L238] input_364 = __VERIFIER_nondet_uchar() [L239] input_382 = __VERIFIER_nondet_uchar() [L240] input_400 = __VERIFIER_nondet_uchar() [L241] input_418 = __VERIFIER_nondet_uchar() [L242] input_436 = __VERIFIER_nondet_uchar() [L245] SORT_1 var_83_arg_0 = state_37; [L246] SORT_4 var_83_arg_1 = var_81; [L247] SORT_4 var_83_arg_2 = var_82; [L248] SORT_4 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L249] SORT_1 var_84_arg_0 = state_47; [L250] SORT_4 var_84_arg_1 = var_81; [L251] SORT_4 var_84_arg_2 = var_82; [L252] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L253] SORT_4 var_85_arg_0 = var_83; [L254] SORT_4 var_85_arg_1 = var_84; [L255] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L256] SORT_1 var_86_arg_0 = state_57; [L257] SORT_4 var_86_arg_1 = var_81; [L258] SORT_4 var_86_arg_2 = var_82; [L259] SORT_4 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L260] SORT_4 var_87_arg_0 = var_85; [L261] SORT_4 var_87_arg_1 = var_86; [L262] SORT_4 var_87 = var_87_arg_0 + var_87_arg_1; [L263] SORT_1 var_88_arg_0 = state_67; [L264] SORT_4 var_88_arg_1 = var_81; [L265] SORT_4 var_88_arg_2 = var_82; [L266] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L267] SORT_4 var_89_arg_0 = var_87; [L268] SORT_4 var_89_arg_1 = var_88; [L269] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L270] SORT_1 var_90_arg_0 = state_77; [L271] SORT_4 var_90_arg_1 = var_81; [L272] SORT_4 var_90_arg_2 = var_82; [L273] SORT_4 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L274] SORT_4 var_91_arg_0 = var_89; [L275] SORT_4 var_91_arg_1 = var_90; [L276] SORT_4 var_91 = var_91_arg_0 + var_91_arg_1; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_91=0, var_95=1, var_97=0] [L277] EXPR var_91 & mask_SORT_4 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L277] var_91 = var_91 & mask_SORT_4 [L278] SORT_4 var_92_arg_0 = var_91; [L279] SORT_4 var_92_arg_1 = var_81; [L280] SORT_1 var_92 = var_92_arg_0 <= var_92_arg_1; [L281] SORT_1 var_93_arg_0 = ~state_79; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_92=1, var_93_arg_0=-1, var_95=1, var_97=0] [L282] EXPR var_93_arg_0 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_92=1, var_95=1, var_97=0] [L282] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L283] SORT_1 var_93_arg_1 = ~var_92; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_93_arg_0=1, var_93_arg_1=-2, var_95=1, var_97=0] [L284] EXPR var_93_arg_1 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_93_arg_0=1, var_95=1, var_97=0] [L284] var_93_arg_1 = var_93_arg_1 & mask_SORT_1 [L285] EXPR var_93_arg_0 & var_93_arg_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L285] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L286] EXPR var_93 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, 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_29=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_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L286] var_93 = var_93 & mask_SORT_1 [L287] SORT_1 bad_94_arg_0 = var_93; [L288] CALL __VERIFIER_assert(!(bad_94_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2987 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8764 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8764 mSDsluCounter, 68016 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47602 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8121 IncrementalHoareTripleChecker+Invalid, 8123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 20414 mSDtfsCounter, 8121 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3069occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 2759 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 728 NumberOfCodeBlocks, 728 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1947 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 03:15:44,512 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.anderson.5.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 db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 03:15:46,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 03:15:47,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-24 03:15:47,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 03:15:47,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 03:15:47,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 03:15:47,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 03:15:47,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 03:15:47,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 03:15:47,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 03:15:47,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 03:15:47,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 03:15:47,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 03:15:47,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 03:15:47,083 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 03:15:47,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 03:15:47,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 03:15:47,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 03:15:47,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 03:15:47,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 03:15:47,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 03:15:47,085 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 03:15:47,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 03:15:47,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 03:15:47,086 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 03:15:47,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 03:15:47,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 03:15:47,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 03:15:47,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 03:15:47,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 03:15:47,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 03:15:47,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:15:47,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 03:15:47,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 03:15:47,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 03:15:47,090 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 03:15:47,090 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 03:15:47,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 03:15:47,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 03:15:47,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 03:15:47,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 03:15:47,092 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 03:15:47,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 [2024-10-24 03:15:47,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 03:15:47,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 03:15:47,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 03:15:47,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 03:15:47,473 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 03:15:47,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-10-24 03:15:49,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 03:15:49,467 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 03:15:49,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-10-24 03:15:49,497 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8090f4b4/ce95a25709dd4f0aab0c2df10eb468eb/FLAG1600c3cde [2024-10-24 03:15:49,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8090f4b4/ce95a25709dd4f0aab0c2df10eb468eb [2024-10-24 03:15:49,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 03:15:49,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 03:15:49,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 03:15:49,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 03:15:49,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 03:15:49,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:15:49" (1/1) ... [2024-10-24 03:15:49,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e99b3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:49, skipping insertion in model container [2024-10-24 03:15:49,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:15:49" (1/1) ... [2024-10-24 03:15:49,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 03:15:49,856 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2024-10-24 03:15:50,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:15:50,240 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 03:15:50,252 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2024-10-24 03:15:50,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 03:15:50,458 INFO L204 MainTranslator]: Completed translation [2024-10-24 03:15:50,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50 WrapperNode [2024-10-24 03:15:50,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 03:15:50,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 03:15:50,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 03:15:50,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 03:15:50,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,692 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2631 [2024-10-24 03:15:50,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 03:15:50,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 03:15:50,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 03:15:50,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 03:15:50,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,805 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 03:15:50,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 03:15:50,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 03:15:50,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 03:15:50,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 03:15:50,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (1/1) ... [2024-10-24 03:15:50,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 03:15:50,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 03:15:50,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 03:15:51,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 03:15:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 03:15:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 03:15:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 03:15:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 03:15:51,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 03:15:51,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 03:15:57,940 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-10-24 03:15:57,940 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 03:15:58,053 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 03:15:58,054 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 03:15:58,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:15:58 BoogieIcfgContainer [2024-10-24 03:15:58,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 03:15:58,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 03:15:58,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 03:15:58,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 03:15:58,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:15:49" (1/3) ... [2024-10-24 03:15:58,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a91605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:15:58, skipping insertion in model container [2024-10-24 03:15:58,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:15:50" (2/3) ... [2024-10-24 03:15:58,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a91605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:15:58, skipping insertion in model container [2024-10-24 03:15:58,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:15:58" (3/3) ... [2024-10-24 03:15:58,064 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-10-24 03:15:58,082 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 03:15:58,082 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 03:15:58,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 03:15:58,156 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;@e3ccb97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 03:15:58,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 03:15:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:15:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 03:15:58,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:15:58,167 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 03:15:58,168 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:15:58,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:15:58,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-24 03:15:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 03:15:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418293878] [2024-10-24 03:15:58,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:15:58,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 03:15:58,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 03:15:58,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 03:15:58,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 03:15:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:15:58,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-24 03:15:58,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 03:15:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 03:15:59,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 03:15:59,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 03:15:59,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418293878] [2024-10-24 03:15:59,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418293878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 03:15:59,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 03:15:59,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 03:15:59,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515366808] [2024-10-24 03:15:59,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 03:15:59,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 03:15:59,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 03:15:59,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 03:15:59,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 03:15:59,624 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:16:04,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 03:16:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 03:16:05,037 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-24 03:16:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 03:16:05,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 03:16:05,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 03:16:05,047 INFO L225 Difference]: With dead ends: 15 [2024-10-24 03:16:05,048 INFO L226 Difference]: Without dead ends: 9 [2024-10-24 03:16:05,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 03:16:05,054 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-24 03:16:05,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-10-24 03:16:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-24 03:16:05,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-24 03:16:05,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:16:05,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-24 03:16:05,084 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-24 03:16:05,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 03:16:05,084 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-24 03:16:05,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 03:16:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-24 03:16:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 03:16:05,085 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 03:16:05,085 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-24 03:16:05,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-24 03:16:05,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 03:16:05,286 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 03:16:05,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 03:16:05,287 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-24 03:16:05,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 03:16:05,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610300898] [2024-10-24 03:16:05,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 03:16:05,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 03:16:05,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 03:16:05,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 03:16:05,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 03:16:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 03:16:07,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-10-24 03:16:07,100 INFO L278 TraceCheckSpWp]: Computing forward predicates...