./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 00:21:42,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 00:21:42,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 00:21:42,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 00:21:42,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 00:21:42,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 00:21:42,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 00:21:42,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 00:21:42,804 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 00:21:42,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 00:21:42,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 00:21:42,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 00:21:42,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 00:21:42,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 00:21:42,809 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 00:21:42,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 00:21:42,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 00:21:42,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 00:21:42,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 00:21:42,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 00:21:42,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 00:21:42,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 00:21:42,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 00:21:42,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 00:21:42,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 00:21:42,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 00:21:42,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 00:21:42,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 00:21:42,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 00:21:42,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:21:42,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 00:21:42,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 00:21:42,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 00:21:42,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 00:21:42,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 00:21:42,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 00:21:42,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 00:21:42,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 00:21:42,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 00:21:42,820 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 [2024-11-20 00:21:43,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 00:21:43,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 00:21:43,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 00:21:43,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 00:21:43,098 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 00:21:43,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-11-20 00:21:44,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 00:21:44,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 00:21:44,901 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-11-20 00:21:44,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ab13af4/a230415f92d34b81a362adaf8def324c/FLAG24d2194d7 [2024-11-20 00:21:44,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65ab13af4/a230415f92d34b81a362adaf8def324c [2024-11-20 00:21:44,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 00:21:44,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 00:21:44,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 00:21:44,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 00:21:44,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 00:21:44,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:21:44" (1/1) ... [2024-11-20 00:21:44,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3886842b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:44, skipping insertion in model container [2024-11-20 00:21:44,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:21:44" (1/1) ... [2024-11-20 00:21:45,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 00:21:45,243 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.anderson.5.prop1-func-interl.c[1175,1188] [2024-11-20 00:21:45,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:21:45,753 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 00:21:45,762 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.anderson.5.prop1-func-interl.c[1175,1188] [2024-11-20 00:21:45,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:21:45,970 INFO L204 MainTranslator]: Completed translation [2024-11-20 00:21:45,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45 WrapperNode [2024-11-20 00:21:45,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 00:21:45,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 00:21:45,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 00:21:45,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 00:21:45,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:46,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:47,187 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8651 [2024-11-20 00:21:47,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 00:21:47,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 00:21:47,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 00:21:47,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 00:21:47,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:47,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:47,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:47,779 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 00:21:47,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:47,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:48,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:48,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:48,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:48,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:48,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 00:21:48,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 00:21:48,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 00:21:48,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 00:21:48,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (1/1) ... [2024-11-20 00:21:48,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:21:48,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 00:21:48,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 00:21:48,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 00:21:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 00:21:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 00:21:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 00:21:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 00:21:49,059 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 00:21:49,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 00:21:58,857 INFO L? ?]: Removed 4793 outVars from TransFormulas that were not future-live. [2024-11-20 00:21:58,858 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 00:21:58,923 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 00:21:58,924 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 00:21:58,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:21:58 BoogieIcfgContainer [2024-11-20 00:21:58,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 00:21:58,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 00:21:58,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 00:21:58,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 00:21:58,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:21:44" (1/3) ... [2024-11-20 00:21:58,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5984a21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:21:58, skipping insertion in model container [2024-11-20 00:21:58,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:21:45" (2/3) ... [2024-11-20 00:21:58,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5984a21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:21:58, skipping insertion in model container [2024-11-20 00:21:58,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:21:58" (3/3) ... [2024-11-20 00:21:58,936 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-11-20 00:21:58,954 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 00:21:58,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 00:21:59,088 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 00:21:59,097 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;@6beda050, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 00:21:59,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 00:21:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 2990 states, 2988 states have (on average 1.5050200803212852) internal successors, (4497), 2989 states have internal predecessors, (4497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:21:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-20 00:21:59,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:21:59,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:21:59,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:21:59,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:21:59,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1293375356, now seen corresponding path program 1 times [2024-11-20 00:21:59,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:21:59,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789898908] [2024-11-20 00:21:59,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:21:59,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:21:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:22:00,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:22:00,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789898908] [2024-11-20 00:22:00,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789898908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:22:00,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:22:00,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:22:00,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517487568] [2024-11-20 00:22:00,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:22:00,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:22:00,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:22:00,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:22:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:00,306 INFO L87 Difference]: Start difference. First operand has 2990 states, 2988 states have (on average 1.5050200803212852) internal successors, (4497), 2989 states have internal predecessors, (4497), 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 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:00,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:22:00,601 INFO L93 Difference]: Finished difference Result 5829 states and 8771 transitions. [2024-11-20 00:22:00,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:22:00,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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 119 [2024-11-20 00:22:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:22:00,634 INFO L225 Difference]: With dead ends: 5829 [2024-11-20 00:22:00,634 INFO L226 Difference]: Without dead ends: 2989 [2024-11-20 00:22:00,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:00,651 INFO L432 NwaCegarLoop]: 4491 mSDtfsCounter, 0 mSDsluCounter, 8976 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13467 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:22:00,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13467 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:22:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2024-11-20 00:22:00,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 2989. [2024-11-20 00:22:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2988 states have (on average 1.5043507362784472) internal successors, (4495), 2988 states have internal predecessors, (4495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 4495 transitions. [2024-11-20 00:22:00,800 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 4495 transitions. Word has length 119 [2024-11-20 00:22:00,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:22:00,802 INFO L471 AbstractCegarLoop]: Abstraction has 2989 states and 4495 transitions. [2024-11-20 00:22:00,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 4495 transitions. [2024-11-20 00:22:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 00:22:00,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:00,807 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:22:00,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 00:22:00,807 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:00,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:00,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1441626266, now seen corresponding path program 1 times [2024-11-20 00:22:00,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:22:00,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896430172] [2024-11-20 00:22:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:00,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:22:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:22:01,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:22:01,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896430172] [2024-11-20 00:22:01,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896430172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:22:01,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:22:01,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:22:01,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848241243] [2024-11-20 00:22:01,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:22:01,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:22:01,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:22:01,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:22:01,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:01,210 INFO L87 Difference]: Start difference. First operand 2989 states and 4495 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:01,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:22:01,315 INFO L93 Difference]: Finished difference Result 5830 states and 8769 transitions. [2024-11-20 00:22:01,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:22:01,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2024-11-20 00:22:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:22:01,328 INFO L225 Difference]: With dead ends: 5830 [2024-11-20 00:22:01,329 INFO L226 Difference]: Without dead ends: 2991 [2024-11-20 00:22:01,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:01,336 INFO L432 NwaCegarLoop]: 4491 mSDtfsCounter, 0 mSDsluCounter, 8972 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13463 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:22:01,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13463 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:22:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2024-11-20 00:22:01,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2991. [2024-11-20 00:22:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2991 states, 2990 states have (on average 1.5040133779264213) internal successors, (4497), 2990 states have internal predecessors, (4497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 4497 transitions. [2024-11-20 00:22:01,397 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 4497 transitions. Word has length 120 [2024-11-20 00:22:01,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:22:01,399 INFO L471 AbstractCegarLoop]: Abstraction has 2991 states and 4497 transitions. [2024-11-20 00:22:01,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 4497 transitions. [2024-11-20 00:22:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-20 00:22:01,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:01,402 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:22:01,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 00:22:01,402 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:01,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:01,403 INFO L85 PathProgramCache]: Analyzing trace with hash 642776085, now seen corresponding path program 1 times [2024-11-20 00:22:01,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:22:01,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876087400] [2024-11-20 00:22:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:22:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:22:01,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:22:01,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876087400] [2024-11-20 00:22:01,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876087400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:22:01,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:22:01,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:22:01,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920042701] [2024-11-20 00:22:01,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:22:01,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:22:01,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:22:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:22:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:01,717 INFO L87 Difference]: Start difference. First operand 2991 states and 4497 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:22:01,816 INFO L93 Difference]: Finished difference Result 5834 states and 8773 transitions. [2024-11-20 00:22:01,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:22:01,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-20 00:22:01,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:22:01,829 INFO L225 Difference]: With dead ends: 5834 [2024-11-20 00:22:01,829 INFO L226 Difference]: Without dead ends: 2993 [2024-11-20 00:22:01,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:01,835 INFO L432 NwaCegarLoop]: 4491 mSDtfsCounter, 0 mSDsluCounter, 8966 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13457 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:22:01,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13457 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:22:01,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2024-11-20 00:22:01,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2993. [2024-11-20 00:22:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2993 states, 2992 states have (on average 1.5036764705882353) internal successors, (4499), 2992 states have internal predecessors, (4499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 4499 transitions. [2024-11-20 00:22:01,899 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 4499 transitions. Word has length 121 [2024-11-20 00:22:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:22:01,900 INFO L471 AbstractCegarLoop]: Abstraction has 2993 states and 4499 transitions. [2024-11-20 00:22:01,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 4499 transitions. [2024-11-20 00:22:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 00:22:01,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:01,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:22:01,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 00:22:01,903 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:01,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:01,904 INFO L85 PathProgramCache]: Analyzing trace with hash -639890303, now seen corresponding path program 1 times [2024-11-20 00:22:01,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:22:01,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543405623] [2024-11-20 00:22:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:01,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:22:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:22:02,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:22:02,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543405623] [2024-11-20 00:22:02,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543405623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:22:02,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:22:02,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:22:02,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416442923] [2024-11-20 00:22:02,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:22:02,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:22:02,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:22:02,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:22:02,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:02,203 INFO L87 Difference]: Start difference. First operand 2993 states and 4499 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:22:02,337 INFO L93 Difference]: Finished difference Result 5844 states and 8785 transitions. [2024-11-20 00:22:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:22:02,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2024-11-20 00:22:02,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:22:02,349 INFO L225 Difference]: With dead ends: 5844 [2024-11-20 00:22:02,349 INFO L226 Difference]: Without dead ends: 3001 [2024-11-20 00:22:02,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:02,356 INFO L432 NwaCegarLoop]: 4491 mSDtfsCounter, 3 mSDsluCounter, 8966 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13457 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:22:02,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13457 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:22:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2024-11-20 00:22:02,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 2997. [2024-11-20 00:22:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 2996 states have (on average 1.503671562082777) internal successors, (4505), 2996 states have internal predecessors, (4505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4505 transitions. [2024-11-20 00:22:02,430 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4505 transitions. Word has length 122 [2024-11-20 00:22:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:22:02,431 INFO L471 AbstractCegarLoop]: Abstraction has 2997 states and 4505 transitions. [2024-11-20 00:22:02,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4505 transitions. [2024-11-20 00:22:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-20 00:22:02,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:02,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:22:02,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 00:22:02,434 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:02,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:02,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1542536274, now seen corresponding path program 1 times [2024-11-20 00:22:02,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:22:02,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546778457] [2024-11-20 00:22:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:02,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:22:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:22:02,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:22:02,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546778457] [2024-11-20 00:22:02,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546778457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:22:02,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:22:02,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:22:02,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733291782] [2024-11-20 00:22:02,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:22:02,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:22:02,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:22:02,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:22:02,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:22:02,845 INFO L87 Difference]: Start difference. First operand 2997 states and 4505 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:05,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:22:05,807 INFO L93 Difference]: Finished difference Result 8675 states and 13043 transitions. [2024-11-20 00:22:05,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 00:22:05,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2024-11-20 00:22:05,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:22:05,829 INFO L225 Difference]: With dead ends: 8675 [2024-11-20 00:22:05,829 INFO L226 Difference]: Without dead ends: 5828 [2024-11-20 00:22:05,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:22:05,839 INFO L432 NwaCegarLoop]: 3492 mSDtfsCounter, 4365 mSDsluCounter, 10338 mSDsCounter, 0 mSdLazyCounter, 3919 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4365 SdHoareTripleChecker+Valid, 13830 SdHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-20 00:22:05,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4365 Valid, 13830 Invalid, 3920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3919 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-20 00:22:05,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5828 states. [2024-11-20 00:22:05,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5828 to 3064. [2024-11-20 00:22:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 3063 states have (on average 1.5031015344433563) internal successors, (4604), 3063 states have internal predecessors, (4604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4604 transitions. [2024-11-20 00:22:05,926 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4604 transitions. Word has length 123 [2024-11-20 00:22:05,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:22:05,927 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 4604 transitions. [2024-11-20 00:22:05,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4604 transitions. [2024-11-20 00:22:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 00:22:05,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:05,928 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:22:05,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 00:22:05,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:05,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:05,929 INFO L85 PathProgramCache]: Analyzing trace with hash -339999324, now seen corresponding path program 1 times [2024-11-20 00:22:05,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:22:05,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607995928] [2024-11-20 00:22:05,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:05,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:22:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:22:06,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:22:06,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607995928] [2024-11-20 00:22:06,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607995928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:22:06,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:22:06,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 00:22:06,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185746968] [2024-11-20 00:22:06,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:22:06,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 00:22:06,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:22:06,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 00:22:06,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:22:06,266 INFO L87 Difference]: Start difference. First operand 3064 states and 4604 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:08,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:22:08,384 INFO L93 Difference]: Finished difference Result 5911 states and 8885 transitions. [2024-11-20 00:22:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 00:22:08,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 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 124 [2024-11-20 00:22:08,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:22:08,397 INFO L225 Difference]: With dead ends: 5911 [2024-11-20 00:22:08,397 INFO L226 Difference]: Without dead ends: 3064 [2024-11-20 00:22:08,402 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 [2024-11-20 00:22:08,403 INFO L432 NwaCegarLoop]: 3482 mSDtfsCounter, 4377 mSDsluCounter, 6954 mSDsCounter, 0 mSdLazyCounter, 3029 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4377 SdHoareTripleChecker+Valid, 10436 SdHoareTripleChecker+Invalid, 3030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:22:08,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4377 Valid, 10436 Invalid, 3030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3029 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-20 00:22:08,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2024-11-20 00:22:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 3064. [2024-11-20 00:22:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 3063 states have (on average 1.5017956252040483) internal successors, (4600), 3063 states have internal predecessors, (4600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:08,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4600 transitions. [2024-11-20 00:22:08,475 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4600 transitions. Word has length 124 [2024-11-20 00:22:08,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:22:08,476 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 4600 transitions. [2024-11-20 00:22:08,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:08,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4600 transitions. [2024-11-20 00:22:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-20 00:22:08,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:08,478 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] [2024-11-20 00:22:08,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 00:22:08,478 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:08,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:08,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1630697425, now seen corresponding path program 1 times [2024-11-20 00:22:08,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:22:08,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450253804] [2024-11-20 00:22:08,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:08,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:22:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 00:22:08,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 00:22:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 00:22:08,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 00:22:08,757 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 00:22:08,758 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 00:22:08,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 00:22:08,762 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:22:08,876 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 00:22:08,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:22:08 BoogieIcfgContainer [2024-11-20 00:22:08,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 00:22:08,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 00:22:08,882 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 00:22:08,882 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 00:22:08,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:21:58" (3/4) ... [2024-11-20 00:22:08,885 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 00:22:08,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 00:22:08,887 INFO L158 Benchmark]: Toolchain (without parser) took 23939.02ms. Allocated memory was 146.8MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 89.0MB in the beginning and 689.0MB in the end (delta: -600.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-20 00:22:08,887 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 00:22:08,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.50ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 88.6MB in the beginning and 111.9MB in the end (delta: -23.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-20 00:22:08,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 1216.95ms. Allocated memory was 226.5MB in the beginning and 459.3MB in the end (delta: 232.8MB). Free memory was 111.9MB in the beginning and 256.9MB in the end (delta: -145.0MB). Peak memory consumption was 173.8MB. Max. memory is 16.1GB. [2024-11-20 00:22:08,888 INFO L158 Benchmark]: Boogie Preprocessor took 1302.01ms. Allocated memory is still 459.3MB. Free memory was 256.9MB in the beginning and 224.4MB in the end (delta: 32.5MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2024-11-20 00:22:08,889 INFO L158 Benchmark]: RCFGBuilder took 10432.37ms. Allocated memory was 459.3MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 224.4MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 434.1MB. Max. memory is 16.1GB. [2024-11-20 00:22:08,889 INFO L158 Benchmark]: TraceAbstraction took 9952.97ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 690.1MB in the end (delta: 1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-20 00:22:08,891 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 2.2GB. Free memory was 690.1MB in the beginning and 689.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 00:22:08,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.50ms. Allocated memory was 146.8MB in the beginning and 226.5MB in the end (delta: 79.7MB). Free memory was 88.6MB in the beginning and 111.9MB in the end (delta: -23.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1216.95ms. Allocated memory was 226.5MB in the beginning and 459.3MB in the end (delta: 232.8MB). Free memory was 111.9MB in the beginning and 256.9MB in the end (delta: -145.0MB). Peak memory consumption was 173.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1302.01ms. Allocated memory is still 459.3MB. Free memory was 256.9MB in the beginning and 224.4MB in the end (delta: 32.5MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. * RCFGBuilder took 10432.37ms. Allocated memory was 459.3MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 224.4MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 434.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9952.97ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 690.1MB in the end (delta: 1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 2.2GB. Free memory was 690.1MB in the beginning and 689.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 284. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_28 = 0; [L40] const SORT_4 var_81 = 1; [L41] const SORT_4 var_82 = 0; [L42] const SORT_2 var_95 = 1; [L43] const SORT_3 var_97 = 0; [L44] const SORT_4 var_100 = 5; [L45] const SORT_2 var_110 = 0; [L46] const SORT_4 var_203 = 2; [L47] const SORT_4 var_235 = 3; [L48] const SORT_4 var_267 = 4; [L49] const SORT_2 var_446 = 4; [L50] const SORT_2 var_456 = 2; [L51] const SORT_2 var_458 = 3; [L53] SORT_1 input_96; [L54] SORT_1 input_104; [L55] SORT_1 input_111; [L56] SORT_1 input_117; [L57] SORT_1 input_123; [L58] SORT_1 input_129; [L59] SORT_1 input_135; [L60] SORT_1 input_141; [L61] SORT_1 input_147; [L62] SORT_1 input_153; [L63] SORT_1 input_299; [L64] SORT_1 input_303; [L65] SORT_1 input_306; [L66] SORT_1 input_307; [L67] SORT_1 input_308; [L68] SORT_1 input_309; [L69] SORT_1 input_310; [L70] SORT_1 input_311; [L71] SORT_1 input_312; [L72] SORT_1 input_313; [L73] SORT_1 input_325; [L74] SORT_1 input_331; [L75] SORT_1 input_337; [L76] SORT_1 input_343; [L77] SORT_1 input_349; [L78] SORT_1 input_364; [L79] SORT_1 input_382; [L80] SORT_1 input_400; [L81] SORT_1 input_418; [L82] SORT_1 input_436; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L84] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L85] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L86] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L87] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L88] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L89] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L90] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L91] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L92] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L93] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L94] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L95] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L96] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L97] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L98] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L99] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L100] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L101] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L102] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L103] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L104] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L105] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L106] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L107] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L108] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L109] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L110] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L111] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L112] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L113] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L114] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L115] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L116] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L117] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L118] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L119] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L120] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_2 init_7_arg_1 = var_5; [L123] state_6 = init_7_arg_1 [L124] SORT_2 init_9_arg_1 = var_5; [L125] state_8 = init_9_arg_1 [L126] SORT_2 init_11_arg_1 = var_5; [L127] state_10 = init_11_arg_1 [L128] SORT_2 init_13_arg_1 = var_5; [L129] state_12 = init_13_arg_1 [L130] SORT_2 init_15_arg_1 = var_5; [L131] state_14 = init_15_arg_1 [L132] SORT_2 init_17_arg_1 = var_5; [L133] state_16 = init_17_arg_1 [L134] SORT_2 init_19_arg_1 = var_5; [L135] state_18 = init_19_arg_1 [L136] SORT_2 init_21_arg_1 = var_5; [L137] state_20 = init_21_arg_1 [L138] SORT_2 init_23_arg_1 = var_5; [L139] state_22 = init_23_arg_1 [L140] SORT_2 init_25_arg_1 = var_5; [L141] state_24 = init_25_arg_1 [L142] SORT_2 init_27_arg_1 = var_5; [L143] state_26 = init_27_arg_1 [L144] SORT_1 init_30_arg_1 = var_28; [L145] state_29 = init_30_arg_1 [L146] SORT_1 init_32_arg_1 = var_28; [L147] state_31 = init_32_arg_1 [L148] SORT_1 init_34_arg_1 = var_28; [L149] state_33 = init_34_arg_1 [L150] SORT_1 init_36_arg_1 = var_28; [L151] state_35 = init_36_arg_1 [L152] SORT_1 init_38_arg_1 = var_28; [L153] state_37 = init_38_arg_1 [L154] SORT_1 init_40_arg_1 = var_28; [L155] state_39 = init_40_arg_1 [L156] SORT_1 init_42_arg_1 = var_28; [L157] state_41 = init_42_arg_1 [L158] SORT_1 init_44_arg_1 = var_28; [L159] state_43 = init_44_arg_1 [L160] SORT_1 init_46_arg_1 = var_28; [L161] state_45 = init_46_arg_1 [L162] SORT_1 init_48_arg_1 = var_28; [L163] state_47 = init_48_arg_1 [L164] SORT_1 init_50_arg_1 = var_28; [L165] state_49 = init_50_arg_1 [L166] SORT_1 init_52_arg_1 = var_28; [L167] state_51 = init_52_arg_1 [L168] SORT_1 init_54_arg_1 = var_28; [L169] state_53 = init_54_arg_1 [L170] SORT_1 init_56_arg_1 = var_28; [L171] state_55 = init_56_arg_1 [L172] SORT_1 init_58_arg_1 = var_28; [L173] state_57 = init_58_arg_1 [L174] SORT_1 init_60_arg_1 = var_28; [L175] state_59 = init_60_arg_1 [L176] SORT_1 init_62_arg_1 = var_28; [L177] state_61 = init_62_arg_1 [L178] SORT_1 init_64_arg_1 = var_28; [L179] state_63 = init_64_arg_1 [L180] SORT_1 init_66_arg_1 = var_28; [L181] state_65 = init_66_arg_1 [L182] SORT_1 init_68_arg_1 = var_28; [L183] state_67 = init_68_arg_1 [L184] SORT_1 init_70_arg_1 = var_28; [L185] state_69 = init_70_arg_1 [L186] SORT_1 init_72_arg_1 = var_28; [L187] state_71 = init_72_arg_1 [L188] SORT_1 init_74_arg_1 = var_28; [L189] state_73 = init_74_arg_1 [L190] SORT_1 init_76_arg_1 = var_28; [L191] state_75 = init_76_arg_1 [L192] SORT_1 init_78_arg_1 = var_28; [L193] state_77 = init_78_arg_1 [L194] SORT_1 init_80_arg_1 = var_28; [L195] state_79 = init_80_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L198] input_96 = __VERIFIER_nondet_uchar() [L199] input_104 = __VERIFIER_nondet_uchar() [L200] input_111 = __VERIFIER_nondet_uchar() [L201] input_117 = __VERIFIER_nondet_uchar() [L202] input_123 = __VERIFIER_nondet_uchar() [L203] input_129 = __VERIFIER_nondet_uchar() [L204] input_135 = __VERIFIER_nondet_uchar() [L205] input_141 = __VERIFIER_nondet_uchar() [L206] input_147 = __VERIFIER_nondet_uchar() [L207] input_153 = __VERIFIER_nondet_uchar() [L208] input_299 = __VERIFIER_nondet_uchar() [L209] EXPR input_299 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L209] input_299 = input_299 & mask_SORT_1 [L210] input_303 = __VERIFIER_nondet_uchar() [L211] EXPR input_303 & mask_SORT_1 VAL [input_299=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L211] input_303 = input_303 & mask_SORT_1 [L212] input_306 = __VERIFIER_nondet_uchar() [L213] EXPR input_306 & mask_SORT_1 VAL [input_299=0, input_303=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L213] input_306 = input_306 & mask_SORT_1 [L214] input_307 = __VERIFIER_nondet_uchar() [L215] EXPR input_307 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L215] input_307 = input_307 & mask_SORT_1 [L216] input_308 = __VERIFIER_nondet_uchar() [L217] EXPR input_308 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L217] input_308 = input_308 & mask_SORT_1 [L218] input_309 = __VERIFIER_nondet_uchar() [L219] EXPR input_309 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L219] input_309 = input_309 & mask_SORT_1 [L220] input_310 = __VERIFIER_nondet_uchar() [L221] EXPR input_310 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L221] input_310 = input_310 & mask_SORT_1 [L222] input_311 = __VERIFIER_nondet_uchar() [L223] EXPR input_311 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L223] input_311 = input_311 & mask_SORT_1 [L224] input_312 = __VERIFIER_nondet_uchar() [L225] EXPR input_312 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L225] input_312 = input_312 & mask_SORT_1 [L226] input_313 = __VERIFIER_nondet_uchar() [L227] EXPR input_313 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L227] input_313 = input_313 & mask_SORT_1 [L228] input_325 = __VERIFIER_nondet_uchar() [L229] EXPR input_325 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L229] input_325 = input_325 & mask_SORT_1 [L230] input_331 = __VERIFIER_nondet_uchar() [L231] EXPR input_331 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L231] input_331 = input_331 & mask_SORT_1 [L232] input_337 = __VERIFIER_nondet_uchar() [L233] EXPR input_337 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L233] input_337 = input_337 & mask_SORT_1 [L234] input_343 = __VERIFIER_nondet_uchar() [L235] EXPR input_343 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L235] input_343 = input_343 & mask_SORT_1 [L236] input_349 = __VERIFIER_nondet_uchar() [L237] EXPR input_349 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L237] input_349 = input_349 & mask_SORT_1 [L238] input_364 = __VERIFIER_nondet_uchar() [L239] input_382 = __VERIFIER_nondet_uchar() [L240] input_400 = __VERIFIER_nondet_uchar() [L241] input_418 = __VERIFIER_nondet_uchar() [L242] input_436 = __VERIFIER_nondet_uchar() [L245] SORT_1 var_83_arg_0 = state_37; [L246] SORT_4 var_83_arg_1 = var_81; [L247] SORT_4 var_83_arg_2 = var_82; [L248] SORT_4 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L249] SORT_1 var_84_arg_0 = state_47; [L250] SORT_4 var_84_arg_1 = var_81; [L251] SORT_4 var_84_arg_2 = var_82; [L252] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L253] SORT_4 var_85_arg_0 = var_83; [L254] SORT_4 var_85_arg_1 = var_84; [L255] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L256] SORT_1 var_86_arg_0 = state_57; [L257] SORT_4 var_86_arg_1 = var_81; [L258] SORT_4 var_86_arg_2 = var_82; [L259] SORT_4 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L260] SORT_4 var_87_arg_0 = var_85; [L261] SORT_4 var_87_arg_1 = var_86; [L262] SORT_4 var_87 = var_87_arg_0 + var_87_arg_1; [L263] SORT_1 var_88_arg_0 = state_67; [L264] SORT_4 var_88_arg_1 = var_81; [L265] SORT_4 var_88_arg_2 = var_82; [L266] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L267] SORT_4 var_89_arg_0 = var_87; [L268] SORT_4 var_89_arg_1 = var_88; [L269] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L270] SORT_1 var_90_arg_0 = state_77; [L271] SORT_4 var_90_arg_1 = var_81; [L272] SORT_4 var_90_arg_2 = var_82; [L273] SORT_4 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L274] SORT_4 var_91_arg_0 = var_89; [L275] SORT_4 var_91_arg_1 = var_90; [L276] SORT_4 var_91 = var_91_arg_0 + var_91_arg_1; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_91=0, var_95=1, var_97=0] [L277] EXPR var_91 & mask_SORT_4 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L277] var_91 = var_91 & mask_SORT_4 [L278] SORT_4 var_92_arg_0 = var_91; [L279] SORT_4 var_92_arg_1 = var_81; [L280] SORT_1 var_92 = var_92_arg_0 <= var_92_arg_1; [L281] SORT_1 var_93_arg_0 = ~state_79; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_92=1, var_93_arg_0=-1, var_95=1, var_97=0] [L282] EXPR var_93_arg_0 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_92=1, var_95=1, var_97=0] [L282] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L283] SORT_1 var_93_arg_1 = ~var_92; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_93_arg_0=1, var_93_arg_1=-2, var_95=1, var_97=0] [L284] EXPR var_93_arg_1 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_93_arg_0=1, var_95=1, var_97=0] [L284] var_93_arg_1 = var_93_arg_1 & mask_SORT_1 [L285] EXPR var_93_arg_0 & var_93_arg_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L285] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L286] EXPR var_93 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L286] var_93 = var_93 & mask_SORT_1 [L287] SORT_1 bad_94_arg_0 = var_93; [L288] CALL __VERIFIER_assert(!(bad_94_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2990 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8745 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8745 mSDsluCounter, 78110 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53172 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7016 IncrementalHoareTripleChecker+Invalid, 7018 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 24938 mSDtfsCounter, 7016 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3064occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 2768 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 854 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 1670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 00:22:08,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 00:22:11,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 00:22:11,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-20 00:22:11,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 00:22:11,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 00:22:11,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 00:22:11,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 00:22:11,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 00:22:11,643 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 00:22:11,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 00:22:11,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 00:22:11,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 00:22:11,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 00:22:11,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 00:22:11,649 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 00:22:11,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 00:22:11,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 00:22:11,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 00:22:11,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 00:22:11,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 00:22:11,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 00:22:11,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 00:22:11,653 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 00:22:11,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 00:22:11,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 00:22:11,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 00:22:11,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 00:22:11,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 00:22:11,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 00:22:11,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 00:22:11,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 00:22:11,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:22:11,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 00:22:11,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 00:22:11,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 00:22:11,655 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 00:22:11,656 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 00:22:11,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 00:22:11,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 00:22:11,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 00:22:11,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 00:22:11,668 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 [2024-11-20 00:22:11,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 00:22:12,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 00:22:12,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 00:22:12,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 00:22:12,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 00:22:12,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-11-20 00:22:13,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 00:22:13,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 00:22:13,892 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-11-20 00:22:13,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9000a4ce/bf6748c6128a445c93db806ad3282b19/FLAG47fbad635 [2024-11-20 00:22:13,932 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9000a4ce/bf6748c6128a445c93db806ad3282b19 [2024-11-20 00:22:13,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 00:22:13,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 00:22:13,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 00:22:13,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 00:22:13,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 00:22:13,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:22:13" (1/1) ... [2024-11-20 00:22:13,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bfb5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:13, skipping insertion in model container [2024-11-20 00:22:13,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:22:13" (1/1) ... [2024-11-20 00:22:14,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 00:22:14,271 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.anderson.5.prop1-func-interl.c[1175,1188] [2024-11-20 00:22:14,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:22:14,672 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 00:22:14,684 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.anderson.5.prop1-func-interl.c[1175,1188] [2024-11-20 00:22:14,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:22:14,867 INFO L204 MainTranslator]: Completed translation [2024-11-20 00:22:14,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14 WrapperNode [2024-11-20 00:22:14,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 00:22:14,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 00:22:14,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 00:22:14,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 00:22:14,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:14,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,077 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2631 [2024-11-20 00:22:15,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 00:22:15,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 00:22:15,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 00:22:15,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 00:22:15,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,208 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 00:22:15,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 00:22:15,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 00:22:15,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 00:22:15,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 00:22:15,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (1/1) ... [2024-11-20 00:22:15,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:22:15,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 00:22:15,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 00:22:15,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 00:22:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 00:22:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 00:22:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 00:22:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 00:22:15,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 00:22:15,929 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 00:22:22,369 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-20 00:22:22,370 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 00:22:22,380 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 00:22:22,380 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 00:22:22,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:22:22 BoogieIcfgContainer [2024-11-20 00:22:22,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 00:22:22,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 00:22:22,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 00:22:22,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 00:22:22,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:22:13" (1/3) ... [2024-11-20 00:22:22,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea9670c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:22:22, skipping insertion in model container [2024-11-20 00:22:22,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:22:14" (2/3) ... [2024-11-20 00:22:22,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea9670c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:22:22, skipping insertion in model container [2024-11-20 00:22:22,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:22:22" (3/3) ... [2024-11-20 00:22:22,390 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c [2024-11-20 00:22:22,408 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 00:22:22,408 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 00:22:22,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 00:22:22,478 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;@3589d7dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 00:22:22,479 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 00:22:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 00:22:22,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:22,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 00:22:22,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:22,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:22,494 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-20 00:22:22,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 00:22:22,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948146659] [2024-11-20 00:22:22,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:22,507 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 00:22:22,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 00:22:22,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 00:22:22,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 00:22:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:23,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-20 00:22:23,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 00:22:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:22:23,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 00:22:23,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 00:22:23,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948146659] [2024-11-20 00:22:23,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948146659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:22:23,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:22:23,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:22:23,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266772603] [2024-11-20 00:22:23,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:22:23,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:22:23,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 00:22:23,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:22:23,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:22:23,942 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:28,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 00:22:30,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 00:22:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:22:30,992 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-20 00:22:30,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:22:30,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 00:22:30,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:22:30,999 INFO L225 Difference]: With dead ends: 18 [2024-11-20 00:22:30,999 INFO L226 Difference]: Without dead ends: 10 [2024-11-20 00:22:31,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:22:31,005 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-20 00:22:31,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2024-11-20 00:22:31,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-20 00:22:31,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-20 00:22:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-20 00:22:31,068 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-20 00:22:31,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:22:31,068 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-20 00:22:31,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:22:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-20 00:22:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 00:22:31,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:22:31,072 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-20 00:22:31,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 00:22:31,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 00:22:31,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:22:31,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:22:31,274 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-20 00:22:31,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 00:22:31,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551827189] [2024-11-20 00:22:31,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:22:31,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 00:22:31,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 00:22:31,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 00:22:31,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 00:22:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:22:33,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-20 00:22:33,581 INFO L278 TraceCheckSpWp]: Computing forward predicates...