./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.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 03418a136bc11572909cedd122c73f3018dec4c0350151db8d7a1fbae2324204 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 11:27:42,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 11:27:42,300 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 11:27:42,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 11:27:42,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 11:27:42,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 11:27:42,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 11:27:42,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 11:27:42,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 11:27:42,356 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 11:27:42,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 11:27:42,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 11:27:42,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 11:27:42,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 11:27:42,359 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 11:27:42,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 11:27:42,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 11:27:42,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 11:27:42,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 11:27:42,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 11:27:42,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 11:27:42,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 11:27:42,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 11:27:42,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 11:27:42,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 11:27:42,365 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 11:27:42,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 11:27:42,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 11:27:42,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 11:27:42,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:27:42,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 11:27:42,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 11:27:42,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 11:27:42,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 11:27:42,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 11:27:42,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 11:27:42,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 11:27:42,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 11:27:42,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 11:27:42,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03418a136bc11572909cedd122c73f3018dec4c0350151db8d7a1fbae2324204 [2024-11-16 11:27:42,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 11:27:42,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 11:27:42,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 11:27:42,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 11:27:42,622 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 11:27:42,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c [2024-11-16 11:27:44,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 11:27:44,384 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 11:27:44,385 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c [2024-11-16 11:27:44,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd915efcf/12995b4a1f0e41fb8dee5c8666873c36/FLAG38be68bf2 [2024-11-16 11:27:44,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd915efcf/12995b4a1f0e41fb8dee5c8666873c36 [2024-11-16 11:27:44,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 11:27:44,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 11:27:44,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 11:27:44,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 11:27:44,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 11:27:44,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:27:44" (1/1) ... [2024-11-16 11:27:44,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8b3cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:44, skipping insertion in model container [2024-11-16 11:27:44,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:27:44" (1/1) ... [2024-11-16 11:27:44,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 11:27:44,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c[1175,1188] [2024-11-16 11:27:45,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:27:45,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 11:27:45,184 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c[1175,1188] [2024-11-16 11:27:45,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:27:45,446 INFO L204 MainTranslator]: Completed translation [2024-11-16 11:27:45,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45 WrapperNode [2024-11-16 11:27:45,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 11:27:45,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 11:27:45,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 11:27:45,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 11:27:45,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:45,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:46,222 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6631 [2024-11-16 11:27:46,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 11:27:46,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 11:27:46,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 11:27:46,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 11:27:46,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:46,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:46,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:46,814 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 11:27:46,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:46,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:47,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:47,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:47,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:47,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:47,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 11:27:47,404 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 11:27:47,404 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 11:27:47,404 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 11:27:47,405 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (1/1) ... [2024-11-16 11:27:47,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:27:47,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 11:27:47,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 11:27:47,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 11:27:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 11:27:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 11:27:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 11:27:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 11:27:47,932 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 11:27:47,934 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 11:27:54,766 INFO L? ?]: Removed 3726 outVars from TransFormulas that were not future-live. [2024-11-16 11:27:54,766 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 11:27:55,027 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 11:27:55,028 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 11:27:55,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:27:55 BoogieIcfgContainer [2024-11-16 11:27:55,030 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 11:27:55,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 11:27:55,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 11:27:55,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 11:27:55,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:27:44" (1/3) ... [2024-11-16 11:27:55,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380e83bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:55, skipping insertion in model container [2024-11-16 11:27:55,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:27:45" (2/3) ... [2024-11-16 11:27:55,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380e83bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:27:55, skipping insertion in model container [2024-11-16 11:27:55,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:27:55" (3/3) ... [2024-11-16 11:27:55,041 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.4.prop1-func-interl.c [2024-11-16 11:27:55,059 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 11:27:55,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 11:27:55,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 11:27:55,171 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;@2bc0dd85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 11:27:55,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 11:27:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 2265 states, 2263 states have (on average 1.4988952717631463) internal successors, (3392), 2264 states have internal predecessors, (3392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:27:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-16 11:27:55,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:27:55,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:27:55,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:27:55,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:27:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash -647780566, now seen corresponding path program 1 times [2024-11-16 11:27:55,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:27:55,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938132076] [2024-11-16 11:27:55,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:27:55,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:27:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:27:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:27:56,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:27:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938132076] [2024-11-16 11:27:56,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938132076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:27:56,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:27:56,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:27:56,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44026575] [2024-11-16 11:27:56,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:27:56,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:27:56,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:27:56,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:27:56,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:27:56,311 INFO L87 Difference]: Start difference. First operand has 2265 states, 2263 states have (on average 1.4988952717631463) internal successors, (3392), 2264 states have internal predecessors, (3392), 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 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:27:57,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:27:57,601 INFO L93 Difference]: Finished difference Result 4377 states and 6559 transitions. [2024-11-16 11:27:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:27:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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 138 [2024-11-16 11:27:57,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:27:57,630 INFO L225 Difference]: With dead ends: 4377 [2024-11-16 11:27:57,631 INFO L226 Difference]: Without dead ends: 2262 [2024-11-16 11:27:57,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:27:57,642 INFO L432 NwaCegarLoop]: 2821 mSDtfsCounter, 0 mSDsluCounter, 5637 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 11:27:57,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8458 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 11:27:57,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2024-11-16 11:27:57,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2262. [2024-11-16 11:27:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2261 states have (on average 1.498452012383901) internal successors, (3388), 2261 states have internal predecessors, (3388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:27:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3388 transitions. [2024-11-16 11:27:57,778 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3388 transitions. Word has length 138 [2024-11-16 11:27:57,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:27:57,779 INFO L471 AbstractCegarLoop]: Abstraction has 2262 states and 3388 transitions. [2024-11-16 11:27:57,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:27:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3388 transitions. [2024-11-16 11:27:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 11:27:57,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:27:57,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:27:57,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 11:27:57,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:27:57,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:27:57,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1538695790, now seen corresponding path program 1 times [2024-11-16 11:27:57,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:27:57,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266068216] [2024-11-16 11:27:57,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:27:57,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:27:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:27:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:27:58,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:27:58,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266068216] [2024-11-16 11:27:58,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266068216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:27:58,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:27:58,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:27:58,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223626437] [2024-11-16 11:27:58,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:27:58,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:27:58,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:27:58,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:27:58,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:27:58,110 INFO L87 Difference]: Start difference. First operand 2262 states and 3388 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:27:59,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:27:59,194 INFO L93 Difference]: Finished difference Result 4376 states and 6555 transitions. [2024-11-16 11:27:59,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:27:59,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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 139 [2024-11-16 11:27:59,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:27:59,204 INFO L225 Difference]: With dead ends: 4376 [2024-11-16 11:27:59,205 INFO L226 Difference]: Without dead ends: 2264 [2024-11-16 11:27:59,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:27:59,211 INFO L432 NwaCegarLoop]: 2821 mSDtfsCounter, 0 mSDsluCounter, 5634 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8455 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 11:27:59,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8455 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 11:27:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2024-11-16 11:27:59,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2024-11-16 11:27:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2263 states have (on average 1.4980114891736633) internal successors, (3390), 2263 states have internal predecessors, (3390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:27:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3390 transitions. [2024-11-16 11:27:59,256 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3390 transitions. Word has length 139 [2024-11-16 11:27:59,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:27:59,257 INFO L471 AbstractCegarLoop]: Abstraction has 2264 states and 3390 transitions. [2024-11-16 11:27:59,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:27:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3390 transitions. [2024-11-16 11:27:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-16 11:27:59,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:27:59,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:27:59,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 11:27:59,264 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:27:59,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:27:59,268 INFO L85 PathProgramCache]: Analyzing trace with hash 202176271, now seen corresponding path program 1 times [2024-11-16 11:27:59,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:27:59,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872132161] [2024-11-16 11:27:59,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:27:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:27:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:27:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:27:59,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:27:59,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872132161] [2024-11-16 11:27:59,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872132161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:27:59,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:27:59,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:27:59,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494827225] [2024-11-16 11:27:59,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:27:59,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:27:59,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:27:59,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:27:59,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:27:59,713 INFO L87 Difference]: Start difference. First operand 2264 states and 3390 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:00,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:28:00,868 INFO L93 Difference]: Finished difference Result 4384 states and 6565 transitions. [2024-11-16 11:28:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:28:00,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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 140 [2024-11-16 11:28:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:28:00,879 INFO L225 Difference]: With dead ends: 4384 [2024-11-16 11:28:00,879 INFO L226 Difference]: Without dead ends: 2270 [2024-11-16 11:28:00,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:28:00,884 INFO L432 NwaCegarLoop]: 2821 mSDtfsCounter, 4 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8450 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 11:28:00,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8450 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 11:28:00,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2024-11-16 11:28:00,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2270. [2024-11-16 11:28:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2270 states, 2269 states have (on average 1.497576024680476) internal successors, (3398), 2269 states have internal predecessors, (3398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 3398 transitions. [2024-11-16 11:28:00,935 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 3398 transitions. Word has length 140 [2024-11-16 11:28:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:28:00,935 INFO L471 AbstractCegarLoop]: Abstraction has 2270 states and 3398 transitions. [2024-11-16 11:28:00,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3398 transitions. [2024-11-16 11:28:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 11:28:00,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:28:00,938 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:28:00,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 11:28:00,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:28:00,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:28:00,939 INFO L85 PathProgramCache]: Analyzing trace with hash -806369084, now seen corresponding path program 1 times [2024-11-16 11:28:00,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:28:00,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490573501] [2024-11-16 11:28:00,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:28:00,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:28:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:28:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:28:01,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:28:01,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490573501] [2024-11-16 11:28:01,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490573501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:28:01,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:28:01,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 11:28:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539256007] [2024-11-16 11:28:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:28:01,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 11:28:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:28:01,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 11:28:01,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 11:28:01,320 INFO L87 Difference]: Start difference. First operand 2270 states and 3398 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:28:02,733 INFO L93 Difference]: Finished difference Result 4394 states and 6577 transitions. [2024-11-16 11:28:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:28:02,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 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 141 [2024-11-16 11:28:02,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:28:02,743 INFO L225 Difference]: With dead ends: 4394 [2024-11-16 11:28:02,744 INFO L226 Difference]: Without dead ends: 2274 [2024-11-16 11:28:02,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 11:28:02,748 INFO L432 NwaCegarLoop]: 2821 mSDtfsCounter, 0 mSDsluCounter, 8435 mSDsCounter, 0 mSdLazyCounter, 2287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11256 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:28:02,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11256 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2287 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 11:28:02,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2024-11-16 11:28:02,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2270. [2024-11-16 11:28:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2270 states, 2269 states have (on average 1.497576024680476) internal successors, (3398), 2269 states have internal predecessors, (3398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 3398 transitions. [2024-11-16 11:28:02,805 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 3398 transitions. Word has length 141 [2024-11-16 11:28:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:28:02,806 INFO L471 AbstractCegarLoop]: Abstraction has 2270 states and 3398 transitions. [2024-11-16 11:28:02,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 3398 transitions. [2024-11-16 11:28:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 11:28:02,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:28:02,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:28:02,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 11:28:02,809 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:28:02,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:28:02,810 INFO L85 PathProgramCache]: Analyzing trace with hash -817938956, now seen corresponding path program 1 times [2024-11-16 11:28:02,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:28:02,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350113756] [2024-11-16 11:28:02,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:28:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:28:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:28:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:28:03,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:28:03,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350113756] [2024-11-16 11:28:03,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350113756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:28:03,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:28:03,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 11:28:03,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753796866] [2024-11-16 11:28:03,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:28:03,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 11:28:03,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:28:03,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 11:28:03,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 11:28:03,263 INFO L87 Difference]: Start difference. First operand 2270 states and 3398 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:06,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:28:06,382 INFO L93 Difference]: Finished difference Result 6494 states and 9722 transitions. [2024-11-16 11:28:06,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:28:06,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 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 142 [2024-11-16 11:28:06,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:28:06,398 INFO L225 Difference]: With dead ends: 6494 [2024-11-16 11:28:06,399 INFO L226 Difference]: Without dead ends: 4374 [2024-11-16 11:28:06,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:28:06,404 INFO L432 NwaCegarLoop]: 2162 mSDtfsCounter, 3240 mSDsluCounter, 6346 mSDsCounter, 0 mSdLazyCounter, 4813 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 8508 SdHoareTripleChecker+Invalid, 4814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-16 11:28:06,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 8508 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4813 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-16 11:28:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4374 states. [2024-11-16 11:28:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4374 to 2373. [2024-11-16 11:28:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 2372 states have (on average 1.4970489038785835) internal successors, (3551), 2372 states have internal predecessors, (3551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:06,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3551 transitions. [2024-11-16 11:28:06,462 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3551 transitions. Word has length 142 [2024-11-16 11:28:06,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:28:06,463 INFO L471 AbstractCegarLoop]: Abstraction has 2373 states and 3551 transitions. [2024-11-16 11:28:06,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3551 transitions. [2024-11-16 11:28:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-16 11:28:06,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:28:06,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:28:06,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 11:28:06,465 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:28:06,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:28:06,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1790696100, now seen corresponding path program 1 times [2024-11-16 11:28:06,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:28:06,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369953370] [2024-11-16 11:28:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:28:06,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:28:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:28:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:28:07,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:28:07,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369953370] [2024-11-16 11:28:07,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369953370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:28:07,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:28:07,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:28:07,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564672702] [2024-11-16 11:28:07,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:28:07,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:28:07,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:28:07,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:28:07,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:28:07,086 INFO L87 Difference]: Start difference. First operand 2373 states and 3551 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:09,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:28:09,579 INFO L93 Difference]: Finished difference Result 4508 states and 6746 transitions. [2024-11-16 11:28:09,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 11:28:09,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 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 143 [2024-11-16 11:28:09,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:28:09,588 INFO L225 Difference]: With dead ends: 4508 [2024-11-16 11:28:09,588 INFO L226 Difference]: Without dead ends: 2388 [2024-11-16 11:28:09,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-16 11:28:09,592 INFO L432 NwaCegarLoop]: 2136 mSDtfsCounter, 3273 mSDsluCounter, 6397 mSDsCounter, 0 mSdLazyCounter, 5011 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3273 SdHoareTripleChecker+Valid, 8533 SdHoareTripleChecker+Invalid, 5012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-16 11:28:09,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3273 Valid, 8533 Invalid, 5012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5011 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-16 11:28:09,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2024-11-16 11:28:09,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2386. [2024-11-16 11:28:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2386 states, 2385 states have (on average 1.4951781970649896) internal successors, (3566), 2385 states have internal predecessors, (3566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 3566 transitions. [2024-11-16 11:28:09,635 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 3566 transitions. Word has length 143 [2024-11-16 11:28:09,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:28:09,636 INFO L471 AbstractCegarLoop]: Abstraction has 2386 states and 3566 transitions. [2024-11-16 11:28:09,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:09,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3566 transitions. [2024-11-16 11:28:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 11:28:09,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:28:09,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:28:09,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 11:28:09,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:28:09,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:28:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash 168143020, now seen corresponding path program 1 times [2024-11-16 11:28:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:28:09,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553926222] [2024-11-16 11:28:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:28:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:28:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:28:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:28:11,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:28:11,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553926222] [2024-11-16 11:28:11,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553926222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:28:11,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:28:11,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:28:11,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805042284] [2024-11-16 11:28:11,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:28:11,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:28:11,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:28:11,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:28:11,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:28:11,143 INFO L87 Difference]: Start difference. First operand 2386 states and 3566 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:28:13,373 INFO L93 Difference]: Finished difference Result 6047 states and 9041 transitions. [2024-11-16 11:28:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:28:13,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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 144 [2024-11-16 11:28:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:28:13,384 INFO L225 Difference]: With dead ends: 6047 [2024-11-16 11:28:13,384 INFO L226 Difference]: Without dead ends: 3912 [2024-11-16 11:28:13,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:28:13,388 INFO L432 NwaCegarLoop]: 2806 mSDtfsCounter, 2533 mSDsluCounter, 10894 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 13700 SdHoareTripleChecker+Invalid, 3008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-16 11:28:13,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 13700 Invalid, 3008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-16 11:28:13,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3912 states. [2024-11-16 11:28:13,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3912 to 2381. [2024-11-16 11:28:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 2380 states have (on average 1.4953781512605042) internal successors, (3559), 2380 states have internal predecessors, (3559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3559 transitions. [2024-11-16 11:28:13,443 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3559 transitions. Word has length 144 [2024-11-16 11:28:13,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:28:13,443 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3559 transitions. [2024-11-16 11:28:13,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3559 transitions. [2024-11-16 11:28:13,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-16 11:28:13,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:28:13,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:28:13,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 11:28:13,445 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:28:13,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:28:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash 572781531, now seen corresponding path program 1 times [2024-11-16 11:28:13,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:28:13,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565211792] [2024-11-16 11:28:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:28:13,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:28:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 11:28:13,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 11:28:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 11:28:13,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 11:28:13,702 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 11:28:13,702 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 11:28:13,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 11:28:13,708 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:28:13,823 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 11:28:13,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:28:13 BoogieIcfgContainer [2024-11-16 11:28:13,828 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 11:28:13,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 11:28:13,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 11:28:13,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 11:28:13,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:27:55" (3/4) ... [2024-11-16 11:28:13,832 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 11:28:13,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 11:28:13,833 INFO L158 Benchmark]: Toolchain (without parser) took 29407.12ms. Allocated memory was 182.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 151.0MB in the beginning and 771.5MB in the end (delta: -620.4MB). Peak memory consumption was 693.4MB. Max. memory is 16.1GB. [2024-11-16 11:28:13,833 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 11:28:13,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1019.73ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 107.6MB in the end (delta: 42.6MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2024-11-16 11:28:13,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 774.92ms. Allocated memory was 182.5MB in the beginning and 320.9MB in the end (delta: 138.4MB). Free memory was 107.5MB in the beginning and 138.4MB in the end (delta: -30.9MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2024-11-16 11:28:13,834 INFO L158 Benchmark]: Boogie Preprocessor took 1179.98ms. Allocated memory is still 320.9MB. Free memory was 138.4MB in the beginning and 133.3MB in the end (delta: 5.2MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2024-11-16 11:28:13,835 INFO L158 Benchmark]: IcfgBuilder took 7625.66ms. Allocated memory was 320.9MB in the beginning and 992.0MB in the end (delta: 671.1MB). Free memory was 133.1MB in the beginning and 387.7MB in the end (delta: -254.5MB). Peak memory consumption was 417.6MB. Max. memory is 16.1GB. [2024-11-16 11:28:13,835 INFO L158 Benchmark]: TraceAbstraction took 18796.26ms. Allocated memory was 992.0MB in the beginning and 1.5GB in the end (delta: 503.3MB). Free memory was 386.6MB in the beginning and 771.5MB in the end (delta: -384.8MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2024-11-16 11:28:13,835 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 1.5GB. Free memory is still 771.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 11:28:13,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1019.73ms. Allocated memory is still 182.5MB. Free memory was 150.2MB in the beginning and 107.6MB in the end (delta: 42.6MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 774.92ms. Allocated memory was 182.5MB in the beginning and 320.9MB in the end (delta: 138.4MB). Free memory was 107.5MB in the beginning and 138.4MB in the end (delta: -30.9MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1179.98ms. Allocated memory is still 320.9MB. Free memory was 138.4MB in the beginning and 133.3MB in the end (delta: 5.2MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. * IcfgBuilder took 7625.66ms. Allocated memory was 320.9MB in the beginning and 992.0MB in the end (delta: 671.1MB). Free memory was 133.1MB in the beginning and 387.7MB in the end (delta: -254.5MB). Peak memory consumption was 417.6MB. Max. memory is 16.1GB. * TraceAbstraction took 18796.26ms. Allocated memory was 992.0MB in the beginning and 1.5GB in the end (delta: 503.3MB). Free memory was 386.6MB in the beginning and 771.5MB in the end (delta: -384.8MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 1.5GB. Free memory is still 771.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 281. 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_38 = 0; [L40] const SORT_4 var_81 = 1; [L41] const SORT_4 var_82 = 0; [L42] const SORT_2 var_94 = 0; [L43] const SORT_3 var_115 = 0; [L44] const SORT_2 var_120 = 3; [L45] const SORT_2 var_126 = 2; [L46] const SORT_2 var_132 = 1; [L47] const SORT_4 var_156 = 2; [L48] const SORT_4 var_170 = 3; [L49] const SORT_4 var_313 = 4; [L50] const SORT_2 var_338 = 4; [L52] SORT_1 input_93; [L53] SORT_1 input_95; [L54] SORT_1 input_99; [L55] SORT_1 input_100; [L56] SORT_1 input_104; [L57] SORT_1 input_105; [L58] SORT_1 input_109; [L59] SORT_1 input_110; [L60] SORT_1 input_114; [L61] SORT_1 input_121; [L62] SORT_1 input_127; [L63] SORT_1 input_133; [L64] SORT_1 input_184; [L65] SORT_1 input_187; [L66] SORT_1 input_191; [L67] SORT_1 input_198; [L68] SORT_1 input_201; [L69] SORT_1 input_205; [L70] SORT_1 input_212; [L71] SORT_1 input_215; [L72] SORT_1 input_219; [L73] SORT_1 input_226; [L74] SORT_1 input_229; [L75] SORT_1 input_233; [L76] SORT_1 input_243; [L77] SORT_1 input_261; [L78] SORT_1 input_279; [L79] SORT_1 input_297; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L81] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L82] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L83] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L84] SORT_2 state_12 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L85] SORT_2 state_14 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L86] SORT_2 state_16 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L87] SORT_2 state_18 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L88] SORT_2 state_20 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L89] SORT_2 state_22 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L90] SORT_2 state_24 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L91] SORT_2 state_26 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L92] SORT_2 state_28 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L93] SORT_2 state_30 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L94] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L95] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L96] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L97] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L98] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L99] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L100] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L101] SORT_1 state_47 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L102] SORT_1 state_49 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L103] SORT_1 state_51 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L104] SORT_1 state_53 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L105] SORT_1 state_55 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L106] SORT_1 state_57 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L107] SORT_1 state_59 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L108] SORT_1 state_61 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L109] SORT_1 state_63 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L110] SORT_1 state_65 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L111] SORT_1 state_67 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L112] SORT_1 state_69 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L113] SORT_1 state_71 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L114] SORT_1 state_73 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L115] SORT_1 state_75 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L116] SORT_1 state_77 = __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, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_38=0, var_5=0, var_81=1, var_82=0, var_94=0] [L117] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_2 init_7_arg_1 = var_5; [L120] state_6 = init_7_arg_1 [L121] SORT_2 init_9_arg_1 = var_5; [L122] state_8 = init_9_arg_1 [L123] SORT_2 init_11_arg_1 = var_5; [L124] state_10 = init_11_arg_1 [L125] SORT_2 init_13_arg_1 = var_5; [L126] state_12 = init_13_arg_1 [L127] SORT_2 init_15_arg_1 = var_5; [L128] state_14 = init_15_arg_1 [L129] SORT_2 init_17_arg_1 = var_5; [L130] state_16 = init_17_arg_1 [L131] SORT_2 init_19_arg_1 = var_5; [L132] state_18 = init_19_arg_1 [L133] SORT_2 init_21_arg_1 = var_5; [L134] state_20 = init_21_arg_1 [L135] SORT_2 init_23_arg_1 = var_5; [L136] state_22 = init_23_arg_1 [L137] SORT_2 init_25_arg_1 = var_5; [L138] state_24 = init_25_arg_1 [L139] SORT_2 init_27_arg_1 = var_5; [L140] state_26 = init_27_arg_1 [L141] SORT_2 init_29_arg_1 = var_5; [L142] state_28 = init_29_arg_1 [L143] SORT_2 init_31_arg_1 = var_5; [L144] state_30 = init_31_arg_1 [L145] SORT_2 init_33_arg_1 = var_5; [L146] state_32 = init_33_arg_1 [L147] SORT_2 init_35_arg_1 = var_5; [L148] state_34 = init_35_arg_1 [L149] SORT_2 init_37_arg_1 = var_5; [L150] state_36 = init_37_arg_1 [L151] SORT_1 init_40_arg_1 = var_38; [L152] state_39 = init_40_arg_1 [L153] SORT_1 init_42_arg_1 = var_38; [L154] state_41 = init_42_arg_1 [L155] SORT_1 init_44_arg_1 = var_38; [L156] state_43 = init_44_arg_1 [L157] SORT_1 init_46_arg_1 = var_38; [L158] state_45 = init_46_arg_1 [L159] SORT_1 init_48_arg_1 = var_38; [L160] state_47 = init_48_arg_1 [L161] SORT_1 init_50_arg_1 = var_38; [L162] state_49 = init_50_arg_1 [L163] SORT_1 init_52_arg_1 = var_38; [L164] state_51 = init_52_arg_1 [L165] SORT_1 init_54_arg_1 = var_38; [L166] state_53 = init_54_arg_1 [L167] SORT_1 init_56_arg_1 = var_38; [L168] state_55 = init_56_arg_1 [L169] SORT_1 init_58_arg_1 = var_38; [L170] state_57 = init_58_arg_1 [L171] SORT_1 init_60_arg_1 = var_38; [L172] state_59 = init_60_arg_1 [L173] SORT_1 init_62_arg_1 = var_38; [L174] state_61 = init_62_arg_1 [L175] SORT_1 init_64_arg_1 = var_38; [L176] state_63 = init_64_arg_1 [L177] SORT_1 init_66_arg_1 = var_38; [L178] state_65 = init_66_arg_1 [L179] SORT_1 init_68_arg_1 = var_38; [L180] state_67 = init_68_arg_1 [L181] SORT_1 init_70_arg_1 = var_38; [L182] state_69 = init_70_arg_1 [L183] SORT_1 init_72_arg_1 = var_38; [L184] state_71 = init_72_arg_1 [L185] SORT_1 init_74_arg_1 = var_38; [L186] state_73 = init_74_arg_1 [L187] SORT_1 init_76_arg_1 = var_38; [L188] state_75 = init_76_arg_1 [L189] SORT_1 init_78_arg_1 = var_38; [L190] state_77 = init_78_arg_1 [L191] SORT_1 init_80_arg_1 = var_38; [L192] state_79 = init_80_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L195] input_93 = __VERIFIER_nondet_uchar() [L196] EXPR input_93 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L196] input_93 = input_93 & mask_SORT_1 [L197] input_95 = __VERIFIER_nondet_uchar() [L198] EXPR input_95 & mask_SORT_1 VAL [input_93=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L198] input_95 = input_95 & mask_SORT_1 [L199] input_99 = __VERIFIER_nondet_uchar() [L200] EXPR input_99 & mask_SORT_1 VAL [input_93=0, input_95=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L200] input_99 = input_99 & mask_SORT_1 [L201] input_100 = __VERIFIER_nondet_uchar() [L202] EXPR input_100 & mask_SORT_1 VAL [input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L202] input_100 = input_100 & mask_SORT_1 [L203] input_104 = __VERIFIER_nondet_uchar() [L204] EXPR input_104 & mask_SORT_1 VAL [input_100=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L204] input_104 = input_104 & mask_SORT_1 [L205] input_105 = __VERIFIER_nondet_uchar() [L206] EXPR input_105 & mask_SORT_1 VAL [input_100=0, input_104=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L206] input_105 = input_105 & mask_SORT_1 [L207] input_109 = __VERIFIER_nondet_uchar() [L208] EXPR input_109 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L208] input_109 = input_109 & mask_SORT_1 [L209] input_110 = __VERIFIER_nondet_uchar() [L210] EXPR input_110 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L210] input_110 = input_110 & mask_SORT_1 [L211] input_114 = __VERIFIER_nondet_uchar() [L212] EXPR input_114 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L212] input_114 = input_114 & mask_SORT_1 [L213] input_121 = __VERIFIER_nondet_uchar() [L214] EXPR input_121 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L214] input_121 = input_121 & mask_SORT_1 [L215] input_127 = __VERIFIER_nondet_uchar() [L216] EXPR input_127 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L216] input_127 = input_127 & mask_SORT_1 [L217] input_133 = __VERIFIER_nondet_uchar() [L218] EXPR input_133 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L218] input_133 = input_133 & mask_SORT_1 [L219] input_184 = __VERIFIER_nondet_uchar() [L220] EXPR input_184 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L220] input_184 = input_184 & mask_SORT_1 [L221] input_187 = __VERIFIER_nondet_uchar() [L222] EXPR input_187 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L222] input_187 = input_187 & mask_SORT_1 [L223] input_191 = __VERIFIER_nondet_uchar() [L224] EXPR input_191 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L224] input_191 = input_191 & mask_SORT_1 [L225] input_198 = __VERIFIER_nondet_uchar() [L226] EXPR input_198 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L226] input_198 = input_198 & mask_SORT_1 [L227] input_201 = __VERIFIER_nondet_uchar() [L228] EXPR input_201 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L228] input_201 = input_201 & mask_SORT_1 [L229] input_205 = __VERIFIER_nondet_uchar() [L230] EXPR input_205 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L230] input_205 = input_205 & mask_SORT_1 [L231] input_212 = __VERIFIER_nondet_uchar() [L232] EXPR input_212 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L232] input_212 = input_212 & mask_SORT_1 [L233] input_215 = __VERIFIER_nondet_uchar() [L234] EXPR input_215 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L234] input_215 = input_215 & mask_SORT_1 [L235] input_219 = __VERIFIER_nondet_uchar() [L236] EXPR input_219 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L236] input_219 = input_219 & mask_SORT_1 [L237] input_226 = __VERIFIER_nondet_uchar() [L238] EXPR input_226 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L238] input_226 = input_226 & mask_SORT_1 [L239] input_229 = __VERIFIER_nondet_uchar() [L240] EXPR input_229 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L240] input_229 = input_229 & mask_SORT_1 [L241] input_233 = __VERIFIER_nondet_uchar() [L242] EXPR input_233 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L242] input_233 = input_233 & mask_SORT_1 [L243] input_243 = __VERIFIER_nondet_uchar() [L244] input_261 = __VERIFIER_nondet_uchar() [L245] input_279 = __VERIFIER_nondet_uchar() [L246] input_297 = __VERIFIER_nondet_uchar() [L249] SORT_1 var_83_arg_0 = state_41; [L250] SORT_4 var_83_arg_1 = var_81; [L251] SORT_4 var_83_arg_2 = var_82; [L252] SORT_4 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L253] SORT_1 var_84_arg_0 = state_51; [L254] SORT_4 var_84_arg_1 = var_81; [L255] SORT_4 var_84_arg_2 = var_82; [L256] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L257] SORT_4 var_85_arg_0 = var_83; [L258] SORT_4 var_85_arg_1 = var_84; [L259] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L260] SORT_1 var_86_arg_0 = state_61; [L261] SORT_4 var_86_arg_1 = var_81; [L262] SORT_4 var_86_arg_2 = var_82; [L263] SORT_4 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L264] SORT_4 var_87_arg_0 = var_85; [L265] SORT_4 var_87_arg_1 = var_86; [L266] SORT_4 var_87 = var_87_arg_0 + var_87_arg_1; [L267] SORT_1 var_88_arg_0 = state_71; [L268] SORT_4 var_88_arg_1 = var_81; [L269] SORT_4 var_88_arg_2 = var_82; [L270] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L271] SORT_4 var_89_arg_0 = var_87; [L272] SORT_4 var_89_arg_1 = var_88; [L273] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_89=0, var_94=0] [L274] EXPR var_89 & mask_SORT_4 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L274] var_89 = var_89 & mask_SORT_4 [L275] SORT_4 var_90_arg_0 = var_89; [L276] SORT_4 var_90_arg_1 = var_81; [L277] SORT_1 var_90 = var_90_arg_0 <= var_90_arg_1; [L278] SORT_1 var_91_arg_0 = ~state_79; VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_90=1, var_91_arg_0=-1, var_94=0] [L279] EXPR var_91_arg_0 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_90=1, var_94=0] [L279] var_91_arg_0 = var_91_arg_0 & mask_SORT_1 [L280] SORT_1 var_91_arg_1 = ~var_90; VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_91_arg_0=1, var_91_arg_1=-2, var_94=0] [L281] EXPR var_91_arg_1 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_91_arg_0=1, var_94=0] [L281] var_91_arg_1 = var_91_arg_1 & mask_SORT_1 [L282] EXPR var_91_arg_0 & var_91_arg_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L282] SORT_1 var_91 = var_91_arg_0 & var_91_arg_1; [L283] EXPR var_91 & mask_SORT_1 VAL [input_100=0, input_104=0, input_105=0, input_109=0, input_110=0, input_114=0, input_121=0, input_127=0, input_133=0, input_184=0, input_187=0, input_191=0, input_198=0, input_201=0, input_205=0, input_212=0, input_215=0, input_219=0, input_226=0, input_229=0, input_233=0, input_93=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=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_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L283] var_91 = var_91 & mask_SORT_1 [L284] SORT_1 bad_92_arg_0 = var_91; [L285] CALL __VERIFIER_assert(!(bad_92_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2265 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9050 SdHoareTripleChecker+Valid, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9050 mSDsluCounter, 67360 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48972 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20226 IncrementalHoareTripleChecker+Invalid, 20230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 18388 mSDtfsCounter, 20226 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 3538 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1131 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 3781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 11:28:13,877 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/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.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 03418a136bc11572909cedd122c73f3018dec4c0350151db8d7a1fbae2324204 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 11:28:16,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 11:28:16,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-16 11:28:16,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 11:28:16,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 11:28:16,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 11:28:16,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 11:28:16,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 11:28:16,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 11:28:16,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 11:28:16,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 11:28:16,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 11:28:16,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 11:28:16,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 11:28:16,257 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 11:28:16,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 11:28:16,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 11:28:16,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 11:28:16,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 11:28:16,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 11:28:16,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 11:28:16,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 11:28:16,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 11:28:16,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 11:28:16,264 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 11:28:16,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 11:28:16,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 11:28:16,265 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 11:28:16,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 11:28:16,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 11:28:16,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 11:28:16,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:28:16,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 11:28:16,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 11:28:16,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 11:28:16,266 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 11:28:16,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 11:28:16,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 11:28:16,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 11:28:16,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 11:28:16,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 11:28:16,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03418a136bc11572909cedd122c73f3018dec4c0350151db8d7a1fbae2324204 [2024-11-16 11:28:16,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 11:28:16,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 11:28:16,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 11:28:16,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 11:28:16,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 11:28:16,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c [2024-11-16 11:28:18,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 11:28:18,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 11:28:18,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c [2024-11-16 11:28:18,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a97a76fa/40a907b7dac04131aa5efcdd85d5afe6/FLAG6ce5f4d44 [2024-11-16 11:28:18,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a97a76fa/40a907b7dac04131aa5efcdd85d5afe6 [2024-11-16 11:28:18,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 11:28:18,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 11:28:18,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 11:28:18,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 11:28:18,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 11:28:18,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:18" (1/1) ... [2024-11-16 11:28:18,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d83b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:18, skipping insertion in model container [2024-11-16 11:28:18,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:18" (1/1) ... [2024-11-16 11:28:18,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 11:28:18,953 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c[1175,1188] [2024-11-16 11:28:19,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:28:19,324 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 11:28:19,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-func-interl.c[1175,1188] [2024-11-16 11:28:19,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:28:19,497 INFO L204 MainTranslator]: Completed translation [2024-11-16 11:28:19,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19 WrapperNode [2024-11-16 11:28:19,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 11:28:19,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 11:28:19,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 11:28:19,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 11:28:19,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,655 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2127 [2024-11-16 11:28:19,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 11:28:19,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 11:28:19,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 11:28:19,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 11:28:19,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,747 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 11:28:19,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 11:28:19,849 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 11:28:19,849 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 11:28:19,850 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 11:28:19,850 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (1/1) ... [2024-11-16 11:28:19,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:28:19,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 11:28:19,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 11:28:19,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 11:28:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 11:28:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 11:28:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 11:28:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 11:28:20,321 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 11:28:20,323 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 11:28:22,615 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-16 11:28:22,616 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 11:28:22,634 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 11:28:22,637 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 11:28:22,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:28:22 BoogieIcfgContainer [2024-11-16 11:28:22,638 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 11:28:22,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 11:28:22,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 11:28:22,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 11:28:22,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:28:18" (1/3) ... [2024-11-16 11:28:22,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc90875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:28:22, skipping insertion in model container [2024-11-16 11:28:22,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:19" (2/3) ... [2024-11-16 11:28:22,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc90875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:28:22, skipping insertion in model container [2024-11-16 11:28:22,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:28:22" (3/3) ... [2024-11-16 11:28:22,649 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.4.prop1-func-interl.c [2024-11-16 11:28:22,668 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 11:28:22,669 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 11:28:22,736 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 11:28:22,743 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;@8e7e503, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 11:28:22,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 11:28:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-16 11:28:22,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:28:22,755 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-16 11:28:22,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:28:22,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:28:22,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1271070717, now seen corresponding path program 1 times [2024-11-16 11:28:22,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 11:28:22,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042332886] [2024-11-16 11:28:22,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:28:22,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:28:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 11:28:22,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 11:28:22,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 11:28:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:28:23,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-16 11:28:23,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 11:28:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:28:23,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 11:28:23,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 11:28:23,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042332886] [2024-11-16 11:28:23,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042332886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:28:23,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:28:23,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:28:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072974986] [2024-11-16 11:28:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:28:23,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:28:23,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 11:28:23,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:28:23,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:28:23,673 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:23,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:28:23,858 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2024-11-16 11:28:23,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:28:23,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2024-11-16 11:28:23,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:28:23,866 INFO L225 Difference]: With dead ends: 22 [2024-11-16 11:28:23,866 INFO L226 Difference]: Without dead ends: 11 [2024-11-16 11:28:23,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 11:28:23,871 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 11:28:23,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 11:28:23,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-16 11:28:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-16 11:28:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-16 11:28:23,901 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-16 11:28:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:28:23,902 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-16 11:28:23,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:28:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-16 11:28:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-16 11:28:23,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:28:23,903 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:28:23,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 11:28:24,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:28:24,104 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:28:24,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:28:24,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2061110753, now seen corresponding path program 1 times [2024-11-16 11:28:24,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 11:28:24,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564696162] [2024-11-16 11:28:24,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:28:24,106 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:28:24,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 11:28:24,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 11:28:24,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 11:28:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:28:24,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-16 11:28:24,855 INFO L278 TraceCheckSpWp]: Computing forward predicates...