./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.lamport.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 06:16:15,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 06:16:16,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 06:16:16,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 06:16:16,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 06:16:16,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 06:16:16,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 06:16:16,061 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 06:16:16,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 06:16:16,063 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 06:16:16,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 06:16:16,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 06:16:16,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 06:16:16,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 06:16:16,066 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 06:16:16,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 06:16:16,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 06:16:16,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 06:16:16,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 06:16:16,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 06:16:16,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 06:16:16,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 06:16:16,072 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 06:16:16,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 06:16:16,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 06:16:16,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 06:16:16,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 06:16:16,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 06:16:16,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 06:16:16,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:16:16,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 06:16:16,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 06:16:16,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 06:16:16,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 06:16:16,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 06:16:16,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 06:16:16,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 06:16:16,078 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 06:16:16,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 06:16:16,079 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b [2024-10-11 06:16:16,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 06:16:16,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 06:16:16,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 06:16:16,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 06:16:16,381 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 06:16:16,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2024-10-11 06:16:18,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 06:16:18,562 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 06:16:18,563 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2024-10-11 06:16:18,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3fbba8866/c43368bd32c74f748eaf0508e240f4e8/FLAG03b837c0a [2024-10-11 06:16:18,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3fbba8866/c43368bd32c74f748eaf0508e240f4e8 [2024-10-11 06:16:18,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 06:16:18,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 06:16:18,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 06:16:18,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 06:16:18,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 06:16:18,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:16:18" (1/1) ... [2024-10-11 06:16:18,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287f558f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:18, skipping insertion in model container [2024-10-11 06:16:18,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:16:18" (1/1) ... [2024-10-11 06:16:18,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 06:16:18,972 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c[1174,1187] [2024-10-11 06:16:19,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:16:19,926 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 06:16:19,937 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c[1174,1187] [2024-10-11 06:16:20,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:16:20,113 INFO L204 MainTranslator]: Completed translation [2024-10-11 06:16:20,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20 WrapperNode [2024-10-11 06:16:20,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 06:16:20,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 06:16:20,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 06:16:20,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 06:16:20,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:20,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:22,259 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7845 [2024-10-11 06:16:22,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 06:16:22,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 06:16:22,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 06:16:22,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 06:16:22,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:22,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:22,614 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:22,795 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 06:16:22,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:22,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:23,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:23,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:23,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:23,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:23,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 06:16:23,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 06:16:23,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 06:16:23,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 06:16:23,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (1/1) ... [2024-10-11 06:16:23,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:16:23,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 06:16:23,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 06:16:23,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 06:16:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 06:16:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 06:16:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 06:16:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 06:16:24,068 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 06:16:24,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 06:16:35,081 INFO L? ?]: Removed 4439 outVars from TransFormulas that were not future-live. [2024-10-11 06:16:35,081 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 06:16:35,230 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 06:16:35,231 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 06:16:35,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:16:35 BoogieIcfgContainer [2024-10-11 06:16:35,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 06:16:35,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 06:16:35,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 06:16:35,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 06:16:35,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:16:18" (1/3) ... [2024-10-11 06:16:35,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be8b15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:16:35, skipping insertion in model container [2024-10-11 06:16:35,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:20" (2/3) ... [2024-10-11 06:16:35,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be8b15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:16:35, skipping insertion in model container [2024-10-11 06:16:35,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:16:35" (3/3) ... [2024-10-11 06:16:35,239 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.3.prop1-func-interl.c [2024-10-11 06:16:35,256 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 06:16:35,256 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 06:16:35,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 06:16:35,368 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;@720af944, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 06:16:35,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 06:16:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 2759 states, 2757 states have (on average 1.5009067827348568) internal successors, (4138), 2758 states have internal predecessors, (4138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-11 06:16:35,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:35,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:35,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:35,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:35,417 INFO L85 PathProgramCache]: Analyzing trace with hash -637970863, now seen corresponding path program 1 times [2024-10-11 06:16:35,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:16:35,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697789910] [2024-10-11 06:16:35,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:35,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:16:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:16:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:16:36,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:16:36,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697789910] [2024-10-11 06:16:36,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697789910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:16:36,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:16:36,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:16:36,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170344777] [2024-10-11 06:16:36,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:16:36,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:16:36,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:16:36,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:16:36,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:16:36,622 INFO L87 Difference]: Start difference. First operand has 2759 states, 2757 states have (on average 1.5009067827348568) internal successors, (4138), 2758 states have internal predecessors, (4138), 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 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:36,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:16:36,864 INFO L93 Difference]: Finished difference Result 5362 states and 8044 transitions. [2024-10-11 06:16:36,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:16:36,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2024-10-11 06:16:36,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:16:36,903 INFO L225 Difference]: With dead ends: 5362 [2024-10-11 06:16:36,904 INFO L226 Difference]: Without dead ends: 2760 [2024-10-11 06:16:36,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:16:36,924 INFO L432 NwaCegarLoop]: 4133 mSDtfsCounter, 0 mSDsluCounter, 8261 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12394 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:16:36,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12394 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:16:36,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2024-10-11 06:16:37,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2760. [2024-10-11 06:16:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2759 states have (on average 1.4998187749184486) internal successors, (4138), 2759 states have internal predecessors, (4138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 4138 transitions. [2024-10-11 06:16:37,116 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 4138 transitions. Word has length 140 [2024-10-11 06:16:37,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:16:37,119 INFO L471 AbstractCegarLoop]: Abstraction has 2760 states and 4138 transitions. [2024-10-11 06:16:37,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 4138 transitions. [2024-10-11 06:16:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 06:16:37,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:37,127 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:37,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 06:16:37,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:37,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:37,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1699435764, now seen corresponding path program 1 times [2024-10-11 06:16:37,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:16:37,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875448898] [2024-10-11 06:16:37,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:37,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:16:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:16:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:16:37,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:16:37,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875448898] [2024-10-11 06:16:37,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875448898] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:16:37,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:16:37,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:16:37,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009157496] [2024-10-11 06:16:37,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:16:37,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:16:37,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:16:37,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:16:37,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:16:37,621 INFO L87 Difference]: Start difference. First operand 2760 states and 4138 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:37,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:16:37,760 INFO L93 Difference]: Finished difference Result 5365 states and 8044 transitions. [2024-10-11 06:16:37,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:16:37,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2024-10-11 06:16:37,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:16:37,774 INFO L225 Difference]: With dead ends: 5365 [2024-10-11 06:16:37,775 INFO L226 Difference]: Without dead ends: 2762 [2024-10-11 06:16:37,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:16:37,783 INFO L432 NwaCegarLoop]: 4133 mSDtfsCounter, 0 mSDsluCounter, 8258 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12391 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:16:37,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12391 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:16:37,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2024-10-11 06:16:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2024-10-11 06:16:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2761 states have (on average 1.4994567185802246) internal successors, (4140), 2761 states have internal predecessors, (4140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4140 transitions. [2024-10-11 06:16:37,848 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 4140 transitions. Word has length 141 [2024-10-11 06:16:37,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:16:37,850 INFO L471 AbstractCegarLoop]: Abstraction has 2762 states and 4140 transitions. [2024-10-11 06:16:37,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 4140 transitions. [2024-10-11 06:16:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 06:16:37,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:37,856 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:37,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 06:16:37,856 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:37,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:37,857 INFO L85 PathProgramCache]: Analyzing trace with hash 44936074, now seen corresponding path program 1 times [2024-10-11 06:16:37,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:16:37,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159526053] [2024-10-11 06:16:37,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:37,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:16:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:16:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:16:38,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:16:38,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159526053] [2024-10-11 06:16:38,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159526053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:16:38,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:16:38,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:16:38,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659836200] [2024-10-11 06:16:38,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:16:38,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:16:38,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:16:38,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:16:38,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:16:38,243 INFO L87 Difference]: Start difference. First operand 2762 states and 4140 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:16:38,374 INFO L93 Difference]: Finished difference Result 5373 states and 8054 transitions. [2024-10-11 06:16:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:16:38,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2024-10-11 06:16:38,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:16:38,386 INFO L225 Difference]: With dead ends: 5373 [2024-10-11 06:16:38,386 INFO L226 Difference]: Without dead ends: 2768 [2024-10-11 06:16:38,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:16:38,396 INFO L432 NwaCegarLoop]: 4133 mSDtfsCounter, 4 mSDsluCounter, 8252 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 12385 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:16:38,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 12385 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:16:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2024-10-11 06:16:38,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2768. [2024-10-11 06:16:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2767 states have (on average 1.4990964943982652) internal successors, (4148), 2767 states have internal predecessors, (4148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 4148 transitions. [2024-10-11 06:16:38,467 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 4148 transitions. Word has length 142 [2024-10-11 06:16:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:16:38,468 INFO L471 AbstractCegarLoop]: Abstraction has 2768 states and 4148 transitions. [2024-10-11 06:16:38,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 4148 transitions. [2024-10-11 06:16:38,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 06:16:38,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:38,473 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:38,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 06:16:38,474 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:38,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1847891198, now seen corresponding path program 1 times [2024-10-11 06:16:38,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:16:38,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019823125] [2024-10-11 06:16:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:38,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:16:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:16:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:16:38,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:16:38,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019823125] [2024-10-11 06:16:38,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019823125] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:16:38,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:16:38,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:16:38,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784241127] [2024-10-11 06:16:38,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:16:38,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:16:38,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:16:38,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:16:38,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:16:38,915 INFO L87 Difference]: Start difference. First operand 2768 states and 4148 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:39,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:16:39,045 INFO L93 Difference]: Finished difference Result 5383 states and 8066 transitions. [2024-10-11 06:16:39,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:16:39,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2024-10-11 06:16:39,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:16:39,055 INFO L225 Difference]: With dead ends: 5383 [2024-10-11 06:16:39,055 INFO L226 Difference]: Without dead ends: 2772 [2024-10-11 06:16:39,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:16:39,061 INFO L432 NwaCegarLoop]: 4133 mSDtfsCounter, 0 mSDsluCounter, 8252 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12385 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:16:39,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12385 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 06:16:39,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2024-10-11 06:16:39,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2768. [2024-10-11 06:16:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2767 states have (on average 1.4990964943982652) internal successors, (4148), 2767 states have internal predecessors, (4148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 4148 transitions. [2024-10-11 06:16:39,125 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 4148 transitions. Word has length 143 [2024-10-11 06:16:39,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:16:39,126 INFO L471 AbstractCegarLoop]: Abstraction has 2768 states and 4148 transitions. [2024-10-11 06:16:39,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 4148 transitions. [2024-10-11 06:16:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-11 06:16:39,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:39,128 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:39,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 06:16:39,129 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:39,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:39,129 INFO L85 PathProgramCache]: Analyzing trace with hash -541164605, now seen corresponding path program 1 times [2024-10-11 06:16:39,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:16:39,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413525100] [2024-10-11 06:16:39,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:39,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:16:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:16:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:16:39,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:16:39,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413525100] [2024-10-11 06:16:39,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413525100] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:16:39,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:16:39,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 06:16:39,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202623194] [2024-10-11 06:16:39,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:16:39,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 06:16:39,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:16:39,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 06:16:39,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:16:39,932 INFO L87 Difference]: Start difference. First operand 2768 states and 4148 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:42,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:16:42,305 INFO L93 Difference]: Finished difference Result 5391 states and 8079 transitions. [2024-10-11 06:16:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 06:16:42,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2024-10-11 06:16:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:16:42,315 INFO L225 Difference]: With dead ends: 5391 [2024-10-11 06:16:42,315 INFO L226 Difference]: Without dead ends: 2780 [2024-10-11 06:16:42,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 06:16:42,322 INFO L432 NwaCegarLoop]: 3254 mSDtfsCounter, 4021 mSDsluCounter, 9751 mSDsCounter, 0 mSdLazyCounter, 3538 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4021 SdHoareTripleChecker+Valid, 13005 SdHoareTripleChecker+Invalid, 3539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:16:42,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4021 Valid, 13005 Invalid, 3539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3538 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 06:16:42,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2024-10-11 06:16:42,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2778. [2024-10-11 06:16:42,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2777 states have (on average 1.4980194454447244) internal successors, (4160), 2777 states have internal predecessors, (4160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 4160 transitions. [2024-10-11 06:16:42,385 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 4160 transitions. Word has length 144 [2024-10-11 06:16:42,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:16:42,386 INFO L471 AbstractCegarLoop]: Abstraction has 2778 states and 4160 transitions. [2024-10-11 06:16:42,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 4160 transitions. [2024-10-11 06:16:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 06:16:42,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:42,388 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:42,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 06:16:42,389 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:42,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:42,389 INFO L85 PathProgramCache]: Analyzing trace with hash 723113599, now seen corresponding path program 1 times [2024-10-11 06:16:42,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:16:42,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151533538] [2024-10-11 06:16:42,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:42,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:16:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:16:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:16:42,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 06:16:42,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151533538] [2024-10-11 06:16:42,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151533538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:16:42,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:16:42,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 06:16:42,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835683237] [2024-10-11 06:16:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:16:42,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 06:16:42,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 06:16:42,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 06:16:42,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:16:42,833 INFO L87 Difference]: Start difference. First operand 2778 states and 4160 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:46,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:16:46,007 INFO L93 Difference]: Finished difference Result 8001 states and 11983 transitions. [2024-10-11 06:16:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 06:16:46,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 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 145 [2024-10-11 06:16:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:16:46,056 INFO L225 Difference]: With dead ends: 8001 [2024-10-11 06:16:46,057 INFO L226 Difference]: Without dead ends: 5380 [2024-10-11 06:16:46,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 06:16:46,076 INFO L432 NwaCegarLoop]: 3269 mSDtfsCounter, 3987 mSDsluCounter, 9685 mSDsCounter, 0 mSdLazyCounter, 3355 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3987 SdHoareTripleChecker+Valid, 12954 SdHoareTripleChecker+Invalid, 3356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 06:16:46,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3987 Valid, 12954 Invalid, 3356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3355 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 06:16:46,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5380 states. [2024-10-11 06:16:46,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5380 to 2884. [2024-10-11 06:16:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2884 states, 2883 states have (on average 1.4970516822754076) internal successors, (4316), 2883 states have internal predecessors, (4316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 4316 transitions. [2024-10-11 06:16:46,275 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 4316 transitions. Word has length 145 [2024-10-11 06:16:46,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:16:46,279 INFO L471 AbstractCegarLoop]: Abstraction has 2884 states and 4316 transitions. [2024-10-11 06:16:46,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 4316 transitions. [2024-10-11 06:16:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-11 06:16:46,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:46,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:46,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 06:16:46,286 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:46,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:46,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1385193244, now seen corresponding path program 1 times [2024-10-11 06:16:46,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 06:16:46,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482038490] [2024-10-11 06:16:46,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:46,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 06:16:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 06:16:46,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 06:16:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 06:16:46,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 06:16:46,655 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 06:16:46,656 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 06:16:46,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 06:16:46,661 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-11 06:16:46,801 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 06:16:46,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:16:46 BoogieIcfgContainer [2024-10-11 06:16:46,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 06:16:46,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 06:16:46,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 06:16:46,807 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 06:16:46,807 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:16:35" (3/4) ... [2024-10-11 06:16:46,809 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 06:16:46,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 06:16:46,811 INFO L158 Benchmark]: Toolchain (without parser) took 28185.39ms. Allocated memory was 188.7MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 112.8MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 495.0MB. Max. memory is 16.1GB. [2024-10-11 06:16:46,812 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 06:16:46,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1488.08ms. Allocated memory is still 188.7MB. Free memory was 112.8MB in the beginning and 75.2MB in the end (delta: 37.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-10-11 06:16:46,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 2147.99ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 75.2MB in the beginning and 204.5MB in the end (delta: -129.2MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB. [2024-10-11 06:16:46,813 INFO L158 Benchmark]: Boogie Preprocessor took 1168.23ms. Allocated memory was 377.5MB in the beginning and 870.3MB in the end (delta: 492.8MB). Free memory was 204.5MB in the beginning and 640.7MB in the end (delta: -436.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-10-11 06:16:46,815 INFO L158 Benchmark]: RCFGBuilder took 11797.94ms. Allocated memory was 870.3MB in the beginning and 4.9GB in the end (delta: 4.0GB). Free memory was 640.7MB in the beginning and 4.4GB in the end (delta: -3.8GB). Peak memory consumption was 304.1MB. Max. memory is 16.1GB. [2024-10-11 06:16:46,815 INFO L158 Benchmark]: TraceAbstraction took 11572.23ms. Allocated memory was 4.9GB in the beginning and 6.2GB in the end (delta: 1.3GB). Free memory was 4.4GB in the beginning and 5.7GB in the end (delta: -1.2GB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2024-10-11 06:16:46,815 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 6.2GB. Free memory is still 5.7GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 06:16:46,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1488.08ms. Allocated memory is still 188.7MB. Free memory was 112.8MB in the beginning and 75.2MB in the end (delta: 37.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2147.99ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 75.2MB in the beginning and 204.5MB in the end (delta: -129.2MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1168.23ms. Allocated memory was 377.5MB in the beginning and 870.3MB in the end (delta: 492.8MB). Free memory was 204.5MB in the beginning and 640.7MB in the end (delta: -436.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11797.94ms. Allocated memory was 870.3MB in the beginning and 4.9GB in the end (delta: 4.0GB). Free memory was 640.7MB in the beginning and 4.4GB in the end (delta: -3.8GB). Peak memory consumption was 304.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11572.23ms. Allocated memory was 4.9GB in the beginning and 6.2GB in the end (delta: 1.3GB). Free memory was 4.4GB in the beginning and 5.7GB in the end (delta: -1.2GB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 6.2GB. Free memory is still 5.7GB. 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 306. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_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_22 = 0; [L40] const SORT_4 var_85 = 1; [L41] const SORT_4 var_86 = 0; [L42] const SORT_2 var_96 = 0; [L43] const SORT_2 var_100 = 1; [L44] const SORT_2 var_124 = 255; [L45] const SORT_2 var_126 = 2; [L46] const SORT_3 var_151 = 0; [L47] const SORT_4 var_320 = 3; [L48] const SORT_2 var_331 = 3; [L50] SORT_1 input_95; [L51] SORT_1 input_97; [L52] SORT_1 input_98; [L53] SORT_1 input_99; [L54] SORT_1 input_106; [L55] SORT_1 input_107; [L56] SORT_1 input_108; [L57] SORT_1 input_109; [L58] SORT_1 input_115; [L59] SORT_1 input_116; [L60] SORT_1 input_117; [L61] SORT_1 input_118; [L62] SORT_1 input_125; [L63] SORT_1 input_127; [L64] SORT_1 input_128; [L65] SORT_1 input_135; [L66] SORT_1 input_136; [L67] SORT_1 input_137; [L68] SORT_1 input_138; [L69] SORT_1 input_139; [L70] SORT_1 input_140; [L71] SORT_1 input_150; [L72] SORT_1 input_158; [L73] SORT_1 input_165; [L74] SORT_1 input_173; [L75] SORT_1 input_175; [L76] SORT_1 input_179; [L77] SORT_1 input_181; [L78] SORT_1 input_190; [L79] SORT_1 input_204; [L80] SORT_1 input_215; [L81] SORT_1 input_217; [L82] SORT_1 input_221; [L83] SORT_1 input_223; [L84] SORT_1 input_232; [L85] SORT_1 input_246; [L86] SORT_1 input_257; [L87] SORT_1 input_259; [L88] SORT_1 input_263; [L89] SORT_1 input_265; [L90] SORT_1 input_274; [L91] SORT_1 input_288; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L93] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L94] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L95] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L96] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L97] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L98] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L99] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L100] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L101] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L102] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L103] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L104] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L105] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L106] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L107] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L108] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L109] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L110] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L111] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L112] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L113] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L114] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L115] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L116] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L117] SORT_1 state_55 = __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, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L118] SORT_1 state_57 = __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, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L119] SORT_1 state_59 = __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, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L120] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L121] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L122] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L123] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L124] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L125] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L126] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L127] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L128] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L129] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L130] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L131] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] SORT_2 init_7_arg_1 = var_5; [L134] state_6 = init_7_arg_1 [L135] SORT_2 init_9_arg_1 = var_5; [L136] state_8 = init_9_arg_1 [L137] SORT_2 init_11_arg_1 = var_5; [L138] state_10 = init_11_arg_1 [L139] SORT_2 init_13_arg_1 = var_5; [L140] state_12 = init_13_arg_1 [L141] SORT_2 init_15_arg_1 = var_5; [L142] state_14 = init_15_arg_1 [L143] SORT_2 init_17_arg_1 = var_5; [L144] state_16 = init_17_arg_1 [L145] SORT_2 init_19_arg_1 = var_5; [L146] state_18 = init_19_arg_1 [L147] SORT_2 init_21_arg_1 = var_5; [L148] state_20 = init_21_arg_1 [L149] SORT_1 init_24_arg_1 = var_22; [L150] state_23 = init_24_arg_1 [L151] SORT_1 init_26_arg_1 = var_22; [L152] state_25 = init_26_arg_1 [L153] SORT_1 init_28_arg_1 = var_22; [L154] state_27 = init_28_arg_1 [L155] SORT_1 init_30_arg_1 = var_22; [L156] state_29 = init_30_arg_1 [L157] SORT_1 init_32_arg_1 = var_22; [L158] state_31 = init_32_arg_1 [L159] SORT_1 init_34_arg_1 = var_22; [L160] state_33 = init_34_arg_1 [L161] SORT_1 init_36_arg_1 = var_22; [L162] state_35 = init_36_arg_1 [L163] SORT_1 init_38_arg_1 = var_22; [L164] state_37 = init_38_arg_1 [L165] SORT_1 init_40_arg_1 = var_22; [L166] state_39 = init_40_arg_1 [L167] SORT_1 init_42_arg_1 = var_22; [L168] state_41 = init_42_arg_1 [L169] SORT_1 init_44_arg_1 = var_22; [L170] state_43 = init_44_arg_1 [L171] SORT_1 init_46_arg_1 = var_22; [L172] state_45 = init_46_arg_1 [L173] SORT_1 init_48_arg_1 = var_22; [L174] state_47 = init_48_arg_1 [L175] SORT_1 init_50_arg_1 = var_22; [L176] state_49 = init_50_arg_1 [L177] SORT_1 init_52_arg_1 = var_22; [L178] state_51 = init_52_arg_1 [L179] SORT_1 init_54_arg_1 = var_22; [L180] state_53 = init_54_arg_1 [L181] SORT_1 init_56_arg_1 = var_22; [L182] state_55 = init_56_arg_1 [L183] SORT_1 init_58_arg_1 = var_22; [L184] state_57 = init_58_arg_1 [L185] SORT_1 init_60_arg_1 = var_22; [L186] state_59 = init_60_arg_1 [L187] SORT_1 init_62_arg_1 = var_22; [L188] state_61 = init_62_arg_1 [L189] SORT_1 init_64_arg_1 = var_22; [L190] state_63 = init_64_arg_1 [L191] SORT_1 init_66_arg_1 = var_22; [L192] state_65 = init_66_arg_1 [L193] SORT_1 init_68_arg_1 = var_22; [L194] state_67 = init_68_arg_1 [L195] SORT_1 init_70_arg_1 = var_22; [L196] state_69 = init_70_arg_1 [L197] SORT_1 init_72_arg_1 = var_22; [L198] state_71 = init_72_arg_1 [L199] SORT_1 init_74_arg_1 = var_22; [L200] state_73 = init_74_arg_1 [L201] SORT_1 init_76_arg_1 = var_22; [L202] state_75 = init_76_arg_1 [L203] SORT_1 init_78_arg_1 = var_22; [L204] state_77 = init_78_arg_1 [L205] SORT_1 init_80_arg_1 = var_22; [L206] state_79 = init_80_arg_1 [L207] SORT_1 init_82_arg_1 = var_22; [L208] state_81 = init_82_arg_1 [L209] SORT_1 init_84_arg_1 = var_22; [L210] state_83 = init_84_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L213] input_95 = __VERIFIER_nondet_uchar() [L214] EXPR input_95 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L214] input_95 = input_95 & mask_SORT_1 [L215] input_97 = __VERIFIER_nondet_uchar() [L216] EXPR input_97 & mask_SORT_1 VAL [input_95=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L216] input_97 = input_97 & mask_SORT_1 [L217] input_98 = __VERIFIER_nondet_uchar() [L218] EXPR input_98 & mask_SORT_1 VAL [input_95=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L218] input_98 = input_98 & mask_SORT_1 [L219] input_99 = __VERIFIER_nondet_uchar() [L220] EXPR input_99 & mask_SORT_1 VAL [input_95=0, input_97=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L220] input_99 = input_99 & mask_SORT_1 [L221] input_106 = __VERIFIER_nondet_uchar() [L222] EXPR input_106 & mask_SORT_1 VAL [input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L222] input_106 = input_106 & mask_SORT_1 [L223] input_107 = __VERIFIER_nondet_uchar() [L224] EXPR input_107 & mask_SORT_1 VAL [input_106=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L224] input_107 = input_107 & mask_SORT_1 [L225] input_108 = __VERIFIER_nondet_uchar() [L226] EXPR input_108 & mask_SORT_1 VAL [input_106=0, input_107=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L226] input_108 = input_108 & mask_SORT_1 [L227] input_109 = __VERIFIER_nondet_uchar() [L228] EXPR input_109 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L228] input_109 = input_109 & mask_SORT_1 [L229] input_115 = __VERIFIER_nondet_uchar() [L230] EXPR input_115 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L230] input_115 = input_115 & mask_SORT_1 [L231] input_116 = __VERIFIER_nondet_uchar() [L232] EXPR input_116 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L232] input_116 = input_116 & mask_SORT_1 [L233] input_117 = __VERIFIER_nondet_uchar() [L234] EXPR input_117 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L234] input_117 = input_117 & mask_SORT_1 [L235] input_118 = __VERIFIER_nondet_uchar() [L236] EXPR input_118 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L236] input_118 = input_118 & mask_SORT_1 [L237] input_125 = __VERIFIER_nondet_uchar() [L238] EXPR input_125 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L238] input_125 = input_125 & mask_SORT_1 [L239] input_127 = __VERIFIER_nondet_uchar() [L240] EXPR input_127 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L240] input_127 = input_127 & mask_SORT_1 [L241] input_128 = __VERIFIER_nondet_uchar() [L242] EXPR input_128 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L242] input_128 = input_128 & mask_SORT_1 [L243] input_135 = __VERIFIER_nondet_uchar() [L244] EXPR input_135 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L244] input_135 = input_135 & mask_SORT_1 [L245] input_136 = __VERIFIER_nondet_uchar() [L246] EXPR input_136 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L246] input_136 = input_136 & mask_SORT_1 [L247] input_137 = __VERIFIER_nondet_uchar() [L248] EXPR input_137 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L248] input_137 = input_137 & mask_SORT_1 [L249] input_138 = __VERIFIER_nondet_uchar() [L250] EXPR input_138 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L250] input_138 = input_138 & mask_SORT_1 [L251] input_139 = __VERIFIER_nondet_uchar() [L252] EXPR input_139 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L252] input_139 = input_139 & mask_SORT_1 [L253] input_140 = __VERIFIER_nondet_uchar() [L254] EXPR input_140 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L254] input_140 = input_140 & mask_SORT_1 [L255] input_150 = __VERIFIER_nondet_uchar() [L256] EXPR input_150 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L256] input_150 = input_150 & mask_SORT_1 [L257] input_158 = __VERIFIER_nondet_uchar() [L258] EXPR input_158 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L258] input_158 = input_158 & mask_SORT_1 [L259] input_165 = __VERIFIER_nondet_uchar() [L260] EXPR input_165 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L260] input_165 = input_165 & mask_SORT_1 [L261] input_173 = __VERIFIER_nondet_uchar() [L262] input_175 = __VERIFIER_nondet_uchar() [L263] input_179 = __VERIFIER_nondet_uchar() [L264] input_181 = __VERIFIER_nondet_uchar() [L265] input_190 = __VERIFIER_nondet_uchar() [L266] input_204 = __VERIFIER_nondet_uchar() [L267] input_215 = __VERIFIER_nondet_uchar() [L268] input_217 = __VERIFIER_nondet_uchar() [L269] input_221 = __VERIFIER_nondet_uchar() [L270] input_223 = __VERIFIER_nondet_uchar() [L271] input_232 = __VERIFIER_nondet_uchar() [L272] input_246 = __VERIFIER_nondet_uchar() [L273] input_257 = __VERIFIER_nondet_uchar() [L274] input_259 = __VERIFIER_nondet_uchar() [L275] input_263 = __VERIFIER_nondet_uchar() [L276] input_265 = __VERIFIER_nondet_uchar() [L277] input_274 = __VERIFIER_nondet_uchar() [L278] input_288 = __VERIFIER_nondet_uchar() [L281] SORT_1 var_87_arg_0 = state_25; [L282] SORT_4 var_87_arg_1 = var_85; [L283] SORT_4 var_87_arg_2 = var_86; [L284] SORT_4 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L285] SORT_1 var_88_arg_0 = state_45; [L286] SORT_4 var_88_arg_1 = var_85; [L287] SORT_4 var_88_arg_2 = var_86; [L288] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L289] SORT_4 var_89_arg_0 = var_87; [L290] SORT_4 var_89_arg_1 = var_88; [L291] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L292] SORT_1 var_90_arg_0 = state_65; [L293] SORT_4 var_90_arg_1 = var_85; [L294] SORT_4 var_90_arg_2 = var_86; [L295] SORT_4 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L296] SORT_4 var_91_arg_0 = var_89; [L297] SORT_4 var_91_arg_1 = var_90; [L298] SORT_4 var_91 = var_91_arg_0 + var_91_arg_1; VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_91=0, var_96=0] [L299] EXPR var_91 & mask_SORT_4 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L299] var_91 = var_91 & mask_SORT_4 [L300] SORT_4 var_92_arg_0 = var_91; [L301] SORT_4 var_92_arg_1 = var_85; [L302] SORT_1 var_92 = var_92_arg_0 <= var_92_arg_1; [L303] SORT_1 var_93_arg_0 = ~state_83; VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_92=1, var_93_arg_0=-1, var_96=0] [L304] EXPR var_93_arg_0 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_92=1, var_96=0] [L304] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L305] SORT_1 var_93_arg_1 = ~var_92; VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_93_arg_0=1, var_93_arg_1=-2, var_96=0] [L306] EXPR var_93_arg_1 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_93_arg_0=1, var_96=0] [L306] var_93_arg_1 = var_93_arg_1 & mask_SORT_1 [L307] EXPR var_93_arg_0 & var_93_arg_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L307] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L308] EXPR var_93 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=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_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L308] var_93 = var_93 & mask_SORT_1 [L309] SORT_1 bad_94_arg_0 = var_93; [L310] CALL __VERIFIER_assert(!(bad_94_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2759 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8012 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8012 mSDsluCounter, 75514 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52459 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6967 IncrementalHoareTripleChecker+Invalid, 6970 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23055 mSDtfsCounter, 6967 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2884occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 2502 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 849 ConstructedInterpolants, 0 QuantifiedInterpolants, 2499 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 [2024-10-11 06:16:46,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 06:16:49,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 06:16:50,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-11 06:16:50,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 06:16:50,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 06:16:50,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 06:16:50,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 06:16:50,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 06:16:50,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 06:16:50,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 06:16:50,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 06:16:50,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 06:16:50,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 06:16:50,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 06:16:50,075 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 06:16:50,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 06:16:50,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 06:16:50,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 06:16:50,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 06:16:50,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 06:16:50,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 06:16:50,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 06:16:50,080 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 06:16:50,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 06:16:50,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 06:16:50,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 06:16:50,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 06:16:50,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 06:16:50,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 06:16:50,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 06:16:50,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 06:16:50,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:16:50,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 06:16:50,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 06:16:50,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 06:16:50,083 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 06:16:50,083 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 06:16:50,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 06:16:50,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 06:16:50,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 06:16:50,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 06:16:50,088 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 06:16:50,088 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b [2024-10-11 06:16:50,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 06:16:50,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 06:16:50,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 06:16:50,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 06:16:50,503 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 06:16:50,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2024-10-11 06:16:52,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 06:16:53,628 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 06:16:53,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2024-10-11 06:16:53,648 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53272e830/8055bf7d70154547a7209bfe24df88bd/FLAGebaff38aa [2024-10-11 06:16:54,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/53272e830/8055bf7d70154547a7209bfe24df88bd [2024-10-11 06:16:54,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 06:16:54,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 06:16:54,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 06:16:54,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 06:16:54,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 06:16:54,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:16:54" (1/1) ... [2024-10-11 06:16:54,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3795e76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:54, skipping insertion in model container [2024-10-11 06:16:54,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:16:54" (1/1) ... [2024-10-11 06:16:54,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 06:16:54,388 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c[1174,1187] [2024-10-11 06:16:54,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:16:54,813 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 06:16:54,825 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c[1174,1187] [2024-10-11 06:16:55,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 06:16:55,021 INFO L204 MainTranslator]: Completed translation [2024-10-11 06:16:55,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55 WrapperNode [2024-10-11 06:16:55,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 06:16:55,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 06:16:55,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 06:16:55,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 06:16:55,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,160 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2341 [2024-10-11 06:16:55,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 06:16:55,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 06:16:55,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 06:16:55,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 06:16:55,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,308 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 06:16:55,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 06:16:55,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 06:16:55,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 06:16:55,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 06:16:55,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (1/1) ... [2024-10-11 06:16:55,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 06:16:55,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 06:16:55,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 06:16:55,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 06:16:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 06:16:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 06:16:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 06:16:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 06:16:56,083 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 06:16:56,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 06:16:58,411 INFO L? ?]: Removed 118 outVars from TransFormulas that were not future-live. [2024-10-11 06:16:58,412 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 06:16:58,510 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 06:16:58,510 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 06:16:58,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:16:58 BoogieIcfgContainer [2024-10-11 06:16:58,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 06:16:58,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 06:16:58,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 06:16:58,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 06:16:58,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:16:54" (1/3) ... [2024-10-11 06:16:58,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b6d180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:16:58, skipping insertion in model container [2024-10-11 06:16:58,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:16:55" (2/3) ... [2024-10-11 06:16:58,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b6d180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:16:58, skipping insertion in model container [2024-10-11 06:16:58,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:16:58" (3/3) ... [2024-10-11 06:16:58,521 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.3.prop1-func-interl.c [2024-10-11 06:16:58,538 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 06:16:58,539 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 06:16:58,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 06:16:58,605 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;@4778172f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 06:16:58,605 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 06:16:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 06:16:58,614 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:58,615 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 06:16:58,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:58,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:58,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-11 06:16:58,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 06:16:58,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802886913] [2024-10-11 06:16:58,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 06:16:58,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 06:16:58,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 06:16:58,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 06:16:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:16:59,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 06:16:59,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 06:16:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 06:16:59,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 06:16:59,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 06:16:59,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802886913] [2024-10-11 06:16:59,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802886913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 06:16:59,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 06:16:59,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 06:16:59,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622515733] [2024-10-11 06:16:59,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 06:16:59,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 06:16:59,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 06:16:59,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 06:16:59,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 06:16:59,453 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:59,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 06:16:59,700 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-11 06:16:59,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 06:16:59,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-11 06:16:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 06:16:59,710 INFO L225 Difference]: With dead ends: 15 [2024-10-11 06:16:59,711 INFO L226 Difference]: Without dead ends: 9 [2024-10-11 06:16:59,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 06:16:59,717 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 06:16:59,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 06:16:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-11 06:16:59,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-11 06:16:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:59,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-11 06:16:59,749 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-11 06:16:59,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 06:16:59,749 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-11 06:16:59,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 06:16:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-11 06:16:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 06:16:59,750 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 06:16:59,750 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 06:16:59,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-11 06:16:59,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 06:16:59,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 06:16:59,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 06:16:59,954 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-11 06:16:59,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 06:16:59,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675309580] [2024-10-11 06:16:59,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 06:16:59,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 06:16:59,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 06:16:59,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 06:16:59,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 06:17:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 06:17:00,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-11 06:17:00,728 INFO L278 TraceCheckSpWp]: Computing forward predicates...