./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 17:35:24,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 17:35:24,992 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-03 17:35:24,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 17:35:24,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 17:35:25,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 17:35:25,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 17:35:25,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 17:35:25,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 17:35:25,023 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 17:35:25,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 17:35:25,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 17:35:25,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 17:35:25,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 17:35:25,025 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 17:35:25,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 17:35:25,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 17:35:25,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 17:35:25,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 17:35:25,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 17:35:25,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 17:35:25,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 17:35:25,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 17:35:25,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 17:35:25,026 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 17:35:25,026 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 17:35:25,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 17:35:25,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 17:35:25,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 17:35:25,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:35:25,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 17:35:25,027 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd [2025-03-03 17:35:25,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 17:35:25,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 17:35:25,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 17:35:25,244 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 17:35:25,244 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 17:35:25,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2025-03-03 17:35:26,398 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a7ee734/f195c3dbbdd243a6a99ab9a520a7e79b/FLAG51c78e012 [2025-03-03 17:35:26,875 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 17:35:26,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2025-03-03 17:35:26,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a7ee734/f195c3dbbdd243a6a99ab9a520a7e79b/FLAG51c78e012 [2025-03-03 17:35:26,922 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a7ee734/f195c3dbbdd243a6a99ab9a520a7e79b [2025-03-03 17:35:26,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 17:35:26,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 17:35:26,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 17:35:26,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 17:35:26,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 17:35:26,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:35:26" (1/1) ... [2025-03-03 17:35:26,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdf7f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:26, skipping insertion in model container [2025-03-03 17:35:26,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:35:26" (1/1) ... [2025-03-03 17:35:27,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 17:35:27,190 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c[1245,1258] [2025-03-03 17:35:27,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:35:27,811 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 17:35:27,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c[1245,1258] [2025-03-03 17:35:28,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:35:28,272 INFO L204 MainTranslator]: Completed translation [2025-03-03 17:35:28,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28 WrapperNode [2025-03-03 17:35:28,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 17:35:28,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 17:35:28,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 17:35:28,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 17:35:28,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:28,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:29,241 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13633 [2025-03-03 17:35:29,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 17:35:29,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 17:35:29,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 17:35:29,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 17:35:29,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:29,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:29,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:29,778 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-03-03 17:35:29,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:29,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:29,929 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:29,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:30,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:30,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:30,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 17:35:30,172 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 17:35:30,172 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 17:35:30,172 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 17:35:30,174 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (1/1) ... [2025-03-03 17:35:30,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:35:30,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:35:30,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 17:35:30,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 17:35:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 17:35:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 17:35:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 17:35:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 17:35:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 17:35:31,036 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 17:35:31,037 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 17:35:42,870 INFO L? ?]: Removed 9229 outVars from TransFormulas that were not future-live. [2025-03-03 17:35:42,870 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 17:35:43,092 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 17:35:43,096 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 17:35:43,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:35:43 BoogieIcfgContainer [2025-03-03 17:35:43,097 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 17:35:43,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 17:35:43,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 17:35:43,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 17:35:43,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:35:26" (1/3) ... [2025-03-03 17:35:43,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf31572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:35:43, skipping insertion in model container [2025-03-03 17:35:43,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:35:28" (2/3) ... [2025-03-03 17:35:43,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf31572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:35:43, skipping insertion in model container [2025-03-03 17:35:43,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:35:43" (3/3) ... [2025-03-03 17:35:43,105 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_RCU.c [2025-03-03 17:35:43,118 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 17:35:43,121 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_RCU.c that has 1 procedures, 2806 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 17:35:43,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 17:35:43,222 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;@50b7774b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 17:35:43,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 17:35:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 2806 states, 2804 states have (on average 1.4996433666191156) internal successors, (4205), 2805 states have internal predecessors, (4205), 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) [2025-03-03 17:35:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-03 17:35:43,239 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:43,239 INFO L218 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] [2025-03-03 17:35:43,240 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:43,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:43,243 INFO L85 PathProgramCache]: Analyzing trace with hash -18743960, now seen corresponding path program 1 times [2025-03-03 17:35:43,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:43,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261922353] [2025-03-03 17:35:43,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:43,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:43,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-03 17:35:43,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-03 17:35:43,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:43,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:35:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:35:43,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:35:43,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261922353] [2025-03-03 17:35:43,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261922353] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:35:43,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:35:43,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:35:43,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507058746] [2025-03-03 17:35:43,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:35:43,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:35:43,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:35:43,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:35:43,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:35:43,984 INFO L87 Difference]: Start difference. First operand has 2806 states, 2804 states have (on average 1.4996433666191156) internal successors, (4205), 2805 states have internal predecessors, (4205), 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 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2025-03-03 17:35:45,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:35:45,187 INFO L93 Difference]: Finished difference Result 5509 states and 8259 transitions. [2025-03-03 17:35:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:35:45,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2025-03-03 17:35:45,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:35:45,216 INFO L225 Difference]: With dead ends: 5509 [2025-03-03 17:35:45,216 INFO L226 Difference]: Without dead ends: 2805 [2025-03-03 17:35:45,223 INFO L434 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 [2025-03-03 17:35:45,225 INFO L435 NwaCegarLoop]: 3500 mSDtfsCounter, 0 mSDsluCounter, 6995 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10495 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-03 17:35:45,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10495 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-03 17:35:45,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2025-03-03 17:35:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2805. [2025-03-03 17:35:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2805 states, 2804 states have (on average 1.4989300998573467) internal successors, (4203), 2804 states have internal predecessors, (4203), 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) [2025-03-03 17:35:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 4203 transitions. [2025-03-03 17:35:45,332 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 4203 transitions. Word has length 67 [2025-03-03 17:35:45,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:35:45,332 INFO L471 AbstractCegarLoop]: Abstraction has 2805 states and 4203 transitions. [2025-03-03 17:35:45,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2025-03-03 17:35:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 4203 transitions. [2025-03-03 17:35:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-03 17:35:45,334 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:45,334 INFO L218 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] [2025-03-03 17:35:45,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 17:35:45,335 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:45,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:45,335 INFO L85 PathProgramCache]: Analyzing trace with hash -576378939, now seen corresponding path program 1 times [2025-03-03 17:35:45,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:45,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786595025] [2025-03-03 17:35:45,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:45,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:45,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-03 17:35:45,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-03 17:35:45,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:45,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:35:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:35:45,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:35:45,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786595025] [2025-03-03 17:35:45,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786595025] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:35:45,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:35:45,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:35:45,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171519852] [2025-03-03 17:35:45,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:35:45,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:35:45,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:35:45,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:35:45,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:35:45,591 INFO L87 Difference]: Start difference. First operand 2805 states and 4203 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2025-03-03 17:35:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:35:46,703 INFO L93 Difference]: Finished difference Result 5510 states and 8257 transitions. [2025-03-03 17:35:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:35:46,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2025-03-03 17:35:46,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:35:46,716 INFO L225 Difference]: With dead ends: 5510 [2025-03-03 17:35:46,716 INFO L226 Difference]: Without dead ends: 2807 [2025-03-03 17:35:46,719 INFO L434 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 [2025-03-03 17:35:46,720 INFO L435 NwaCegarLoop]: 3500 mSDtfsCounter, 0 mSDsluCounter, 6992 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10492 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-03 17:35:46,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10492 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-03 17:35:46,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2025-03-03 17:35:46,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2807. [2025-03-03 17:35:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2806 states have (on average 1.4985744832501782) internal successors, (4205), 2806 states have internal predecessors, (4205), 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) [2025-03-03 17:35:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 4205 transitions. [2025-03-03 17:35:46,771 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 4205 transitions. Word has length 68 [2025-03-03 17:35:46,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:35:46,772 INFO L471 AbstractCegarLoop]: Abstraction has 2807 states and 4205 transitions. [2025-03-03 17:35:46,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2025-03-03 17:35:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 4205 transitions. [2025-03-03 17:35:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-03 17:35:46,773 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:46,774 INFO L218 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] [2025-03-03 17:35:46,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 17:35:46,774 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:46,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:46,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1243635971, now seen corresponding path program 1 times [2025-03-03 17:35:46,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:46,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601945365] [2025-03-03 17:35:46,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:46,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:46,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-03 17:35:46,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-03 17:35:46,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:46,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:35:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:35:47,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:35:47,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601945365] [2025-03-03 17:35:47,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601945365] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:35:47,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:35:47,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 17:35:47,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347388915] [2025-03-03 17:35:47,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:35:47,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 17:35:47,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:35:47,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 17:35:47,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 17:35:47,506 INFO L87 Difference]: Start difference. First operand 2807 states and 4205 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2025-03-03 17:35:49,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:35:49,265 INFO L93 Difference]: Finished difference Result 5518 states and 8267 transitions. [2025-03-03 17:35:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 17:35:49,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 69 [2025-03-03 17:35:49,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:35:49,276 INFO L225 Difference]: With dead ends: 5518 [2025-03-03 17:35:49,276 INFO L226 Difference]: Without dead ends: 2813 [2025-03-03 17:35:49,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 17:35:49,281 INFO L435 NwaCegarLoop]: 3496 mSDtfsCounter, 2 mSDsluCounter, 13973 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17469 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-03 17:35:49,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17469 Invalid, 3536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-03 17:35:49,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2025-03-03 17:35:49,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2812. [2025-03-03 17:35:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 2811 states have (on average 1.4983991462113126) internal successors, (4212), 2811 states have internal predecessors, (4212), 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) [2025-03-03 17:35:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4212 transitions. [2025-03-03 17:35:49,318 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4212 transitions. Word has length 69 [2025-03-03 17:35:49,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:35:49,318 INFO L471 AbstractCegarLoop]: Abstraction has 2812 states and 4212 transitions. [2025-03-03 17:35:49,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2025-03-03 17:35:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4212 transitions. [2025-03-03 17:35:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-03 17:35:49,320 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:49,320 INFO L218 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] [2025-03-03 17:35:49,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 17:35:49,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:49,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:49,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1022910833, now seen corresponding path program 1 times [2025-03-03 17:35:49,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:49,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94786285] [2025-03-03 17:35:49,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:49,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:49,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-03 17:35:49,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-03 17:35:49,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:49,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:35:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:35:49,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:35:49,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94786285] [2025-03-03 17:35:49,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94786285] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:35:49,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:35:49,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 17:35:49,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226364012] [2025-03-03 17:35:49,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:35:49,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 17:35:49,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:35:49,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 17:35:49,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-03 17:35:49,845 INFO L87 Difference]: Start difference. First operand 2812 states and 4212 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2025-03-03 17:35:51,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:35:51,425 INFO L93 Difference]: Finished difference Result 5530 states and 8284 transitions. [2025-03-03 17:35:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 17:35:51,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 70 [2025-03-03 17:35:51,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:35:51,432 INFO L225 Difference]: With dead ends: 5530 [2025-03-03 17:35:51,432 INFO L226 Difference]: Without dead ends: 2820 [2025-03-03 17:35:51,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-03-03 17:35:51,436 INFO L435 NwaCegarLoop]: 3497 mSDtfsCounter, 4164 mSDsluCounter, 10483 mSDsCounter, 0 mSdLazyCounter, 2824 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4164 SdHoareTripleChecker+Valid, 13980 SdHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-03 17:35:51,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4164 Valid, 13980 Invalid, 2824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2824 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-03 17:35:51,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2025-03-03 17:35:51,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2819. [2025-03-03 17:35:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2818 states have (on average 1.4982256919801278) internal successors, (4222), 2818 states have internal predecessors, (4222), 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) [2025-03-03 17:35:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 4222 transitions. [2025-03-03 17:35:51,476 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 4222 transitions. Word has length 70 [2025-03-03 17:35:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:35:51,477 INFO L471 AbstractCegarLoop]: Abstraction has 2819 states and 4222 transitions. [2025-03-03 17:35:51,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2025-03-03 17:35:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 4222 transitions. [2025-03-03 17:35:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-03 17:35:51,478 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:51,478 INFO L218 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] [2025-03-03 17:35:51,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 17:35:51,478 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:51,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:51,478 INFO L85 PathProgramCache]: Analyzing trace with hash -232810763, now seen corresponding path program 1 times [2025-03-03 17:35:51,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:51,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058867638] [2025-03-03 17:35:51,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:51,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:51,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-03 17:35:51,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-03 17:35:51,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:51,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:35:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:35:51,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:35:51,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058867638] [2025-03-03 17:35:51,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058867638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:35:51,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:35:51,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-03 17:35:51,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956877898] [2025-03-03 17:35:51,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:35:51,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-03 17:35:51,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:35:51,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-03 17:35:51,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-03 17:35:51,938 INFO L87 Difference]: Start difference. First operand 2819 states and 4222 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 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) [2025-03-03 17:35:53,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:35:53,962 INFO L93 Difference]: Finished difference Result 5543 states and 8301 transitions. [2025-03-03 17:35:53,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-03 17:35:53,963 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 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 71 [2025-03-03 17:35:53,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:35:53,970 INFO L225 Difference]: With dead ends: 5543 [2025-03-03 17:35:53,970 INFO L226 Difference]: Without dead ends: 2826 [2025-03-03 17:35:53,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-03-03 17:35:53,974 INFO L435 NwaCegarLoop]: 3488 mSDtfsCounter, 4151 mSDsluCounter, 17428 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4151 SdHoareTripleChecker+Valid, 20916 SdHoareTripleChecker+Invalid, 4302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-03-03 17:35:53,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4151 Valid, 20916 Invalid, 4302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-03-03 17:35:53,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2025-03-03 17:35:54,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2823. [2025-03-03 17:35:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2822 states have (on average 1.4978738483345144) internal successors, (4227), 2822 states have internal predecessors, (4227), 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) [2025-03-03 17:35:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 4227 transitions. [2025-03-03 17:35:54,012 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 4227 transitions. Word has length 71 [2025-03-03 17:35:54,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:35:54,012 INFO L471 AbstractCegarLoop]: Abstraction has 2823 states and 4227 transitions. [2025-03-03 17:35:54,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 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) [2025-03-03 17:35:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 4227 transitions. [2025-03-03 17:35:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-03 17:35:54,013 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:54,013 INFO L218 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] [2025-03-03 17:35:54,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-03 17:35:54,014 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:54,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash 378417300, now seen corresponding path program 1 times [2025-03-03 17:35:54,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:54,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743291782] [2025-03-03 17:35:54,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:54,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:54,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-03 17:35:54,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-03 17:35:54,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:54,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:35:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:35:54,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:35:54,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743291782] [2025-03-03 17:35:54,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743291782] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:35:54,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:35:54,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 17:35:54,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978081507] [2025-03-03 17:35:54,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:35:54,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 17:35:54,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:35:54,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 17:35:54,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-03 17:35:54,446 INFO L87 Difference]: Start difference. First operand 2823 states and 4227 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2025-03-03 17:35:55,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:35:55,696 INFO L93 Difference]: Finished difference Result 5543 states and 8301 transitions. [2025-03-03 17:35:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 17:35:55,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 71 [2025-03-03 17:35:55,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:35:55,702 INFO L225 Difference]: With dead ends: 5543 [2025-03-03 17:35:55,702 INFO L226 Difference]: Without dead ends: 2822 [2025-03-03 17:35:55,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-03-03 17:35:55,705 INFO L435 NwaCegarLoop]: 3499 mSDtfsCounter, 4159 mSDsluCounter, 10487 mSDsCounter, 0 mSdLazyCounter, 2817 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4159 SdHoareTripleChecker+Valid, 13986 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:35:55,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4159 Valid, 13986 Invalid, 2817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2817 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-03 17:35:55,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2025-03-03 17:35:55,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2822. [2025-03-03 17:35:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2822 states, 2821 states have (on average 1.4976958525345623) internal successors, (4225), 2821 states have internal predecessors, (4225), 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) [2025-03-03 17:35:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 4225 transitions. [2025-03-03 17:35:55,731 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 4225 transitions. Word has length 71 [2025-03-03 17:35:55,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:35:55,731 INFO L471 AbstractCegarLoop]: Abstraction has 2822 states and 4225 transitions. [2025-03-03 17:35:55,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2025-03-03 17:35:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 4225 transitions. [2025-03-03 17:35:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-03 17:35:55,731 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:55,732 INFO L218 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] [2025-03-03 17:35:55,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 17:35:55,732 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:55,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:55,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1976998329, now seen corresponding path program 1 times [2025-03-03 17:35:55,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:55,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371185995] [2025-03-03 17:35:55,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:55,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:55,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-03 17:35:55,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-03 17:35:55,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:55,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:35:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:35:55,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:35:55,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371185995] [2025-03-03 17:35:55,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371185995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:35:55,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:35:55,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 17:35:55,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600139458] [2025-03-03 17:35:55,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:35:55,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 17:35:55,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:35:55,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 17:35:55,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:35:55,882 INFO L87 Difference]: Start difference. First operand 2822 states and 4225 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2025-03-03 17:35:57,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:35:57,178 INFO L93 Difference]: Finished difference Result 7613 states and 11397 transitions. [2025-03-03 17:35:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 17:35:57,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 71 [2025-03-03 17:35:57,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:35:57,189 INFO L225 Difference]: With dead ends: 7613 [2025-03-03 17:35:57,189 INFO L226 Difference]: Without dead ends: 4893 [2025-03-03 17:35:57,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-03 17:35:57,193 INFO L435 NwaCegarLoop]: 3485 mSDtfsCounter, 10333 mSDsluCounter, 6965 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10333 SdHoareTripleChecker+Valid, 10450 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:35:57,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10333 Valid, 10450 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2153 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-03 17:35:57,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4893 states. [2025-03-03 17:35:57,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4893 to 2824. [2025-03-03 17:35:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2823 states have (on average 1.4973432518597236) internal successors, (4227), 2823 states have internal predecessors, (4227), 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) [2025-03-03 17:35:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4227 transitions. [2025-03-03 17:35:57,243 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4227 transitions. Word has length 71 [2025-03-03 17:35:57,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:35:57,245 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 4227 transitions. [2025-03-03 17:35:57,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2025-03-03 17:35:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4227 transitions. [2025-03-03 17:35:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-03 17:35:57,246 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:35:57,246 INFO L218 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] [2025-03-03 17:35:57,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 17:35:57,246 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:35:57,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:35:57,247 INFO L85 PathProgramCache]: Analyzing trace with hash -590775210, now seen corresponding path program 1 times [2025-03-03 17:35:57,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:35:57,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635166023] [2025-03-03 17:35:57,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:35:57,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:35:57,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-03 17:35:57,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-03 17:35:57,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:57,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 17:35:57,327 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 17:35:57,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-03 17:35:57,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-03 17:35:57,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:35:57,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 17:35:57,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 17:35:57,508 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 17:35:57,508 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 17:35:57,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-03 17:35:57,513 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:35:57,577 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-03 17:35:57,661 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 17:35:57,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 05:35:57 BoogieIcfgContainer [2025-03-03 17:35:57,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 17:35:57,670 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 17:35:57,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 17:35:57,670 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 17:35:57,671 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:35:43" (3/4) ... [2025-03-03 17:35:57,673 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 17:35:57,674 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 17:35:57,678 INFO L158 Benchmark]: Toolchain (without parser) took 30748.03ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 97.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 273.8MB. Max. memory is 16.1GB. [2025-03-03 17:35:57,678 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 17:35:57,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1346.15ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 97.9MB in the beginning and 175.4MB in the end (delta: -77.5MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. [2025-03-03 17:35:57,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 967.73ms. Allocated memory was 335.5MB in the beginning and 343.9MB in the end (delta: 8.4MB). Free memory was 175.4MB in the beginning and 64.6MB in the end (delta: 110.8MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. [2025-03-03 17:35:57,679 INFO L158 Benchmark]: Boogie Preprocessor took 927.73ms. Allocated memory was 343.9MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 64.6MB in the beginning and 991.7MB in the end (delta: -927.1MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2025-03-03 17:35:57,679 INFO L158 Benchmark]: IcfgBuilder took 12924.89ms. Allocated memory was 1.4GB in the beginning and 1.3GB in the end (delta: -100.7MB). Free memory was 991.7MB in the beginning and 731.4MB in the end (delta: 260.4MB). Peak memory consumption was 832.8MB. Max. memory is 16.1GB. [2025-03-03 17:35:57,679 INFO L158 Benchmark]: TraceAbstraction took 14570.60ms. Allocated memory was 1.3GB in the beginning and 1.4GB in the end (delta: 184.5MB). Free memory was 731.4MB in the beginning and 1.1GB in the end (delta: -397.1MB). Peak memory consumption was 450.0MB. Max. memory is 16.1GB. [2025-03-03 17:35:57,679 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 100.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 17:35:57,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1346.15ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 97.9MB in the beginning and 175.4MB in the end (delta: -77.5MB). Peak memory consumption was 138.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 967.73ms. Allocated memory was 335.5MB in the beginning and 343.9MB in the end (delta: 8.4MB). Free memory was 175.4MB in the beginning and 64.6MB in the end (delta: 110.8MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 927.73ms. Allocated memory was 343.9MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 64.6MB in the beginning and 991.7MB in the end (delta: -927.1MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. * IcfgBuilder took 12924.89ms. Allocated memory was 1.4GB in the beginning and 1.3GB in the end (delta: -100.7MB). Free memory was 991.7MB in the beginning and 731.4MB in the end (delta: 260.4MB). Peak memory consumption was 832.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14570.60ms. Allocated memory was 1.3GB in the beginning and 1.4GB in the end (delta: 184.5MB). Free memory was 731.4MB in the beginning and 1.1GB in the end (delta: -397.1MB). Peak memory consumption was 450.0MB. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 100.2kB). 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 bitwiseOr at line 711, overapproximation of bitwiseAnd at line 716. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 4); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (4 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L38] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 8); [L39] const SORT_21 msb_SORT_21 = (SORT_21)1 << (8 - 1); [L41] const SORT_119 mask_SORT_119 = (SORT_119)-1 >> (sizeof(SORT_119) * 8 - 2); [L42] const SORT_119 msb_SORT_119 = (SORT_119)1 << (2 - 1); [L44] const SORT_5 var_6 = 0; [L45] const SORT_9 var_11 = 8; [L46] const SORT_3 var_13 = 0; [L47] const SORT_9 var_17 = 4; [L48] const SORT_21 var_22 = 0; [L49] const SORT_1 var_32 = 1; [L50] const SORT_1 var_36 = 0; [L51] const SORT_5 var_85 = 1; [L52] const SORT_9 var_87 = 10; [L53] const SORT_5 var_97 = 2; [L54] const SORT_5 var_100 = 3; [L55] const SORT_5 var_103 = 6; [L56] const SORT_5 var_104 = 4; [L57] const SORT_5 var_115 = 5; [L58] const SORT_3 var_122 = 1; [L59] const SORT_3 var_125 = 3; [L60] const SORT_3 var_128 = 2; [L61] const SORT_3 var_132 = 5; [L62] const SORT_3 var_135 = 7; [L63] const SORT_3 var_138 = 6; [L64] const SORT_3 var_142 = 4; [L65] const SORT_9 var_152 = 0; [L66] const SORT_5 var_165 = 7; [L67] const SORT_5 var_168 = 8; [L68] const SORT_5 var_173 = 9; [L69] const SORT_5 var_182 = 10; [L70] const SORT_9 var_238 = 1; [L71] const SORT_21 var_265 = 255; [L72] const SORT_119 var_317 = 1; [L73] const SORT_119 var_320 = 3; [L74] const SORT_119 var_323 = 2; [L76] SORT_1 input_2; [L77] SORT_3 input_4; [L78] SORT_3 input_80; [L79] SORT_5 input_82; [L80] SORT_5 input_83; [L81] SORT_5 input_84; [L82] SORT_5 input_101; [L83] SORT_5 input_102; [L84] SORT_5 input_113; [L85] SORT_5 input_114; [L86] SORT_1 input_116; [L87] SORT_1 input_117; [L88] SORT_5 input_171; [L89] SORT_5 input_172; [L90] SORT_5 input_180; [L91] SORT_5 input_181; [L92] SORT_1 input_183; [L93] SORT_1 input_184; [L94] SORT_3 input_234; [L95] SORT_21 input_254; [L96] SORT_21 input_255; [L97] SORT_21 input_256; [L98] SORT_21 input_263; [L99] SORT_21 input_264; [L100] SORT_21 input_307; [L101] SORT_1 input_313; [L102] SORT_1 input_314; [L103] SORT_1 input_315; [L104] SORT_1 input_327; [L105] SORT_1 input_337; [L106] SORT_1 input_343; [L107] SORT_1 input_348; [L108] SORT_1 input_350; [L109] SORT_1 input_360; [L110] SORT_1 input_379; [L111] SORT_1 input_385; [L112] SORT_1 input_386; [L113] SORT_1 input_387; [L114] SORT_1 input_398; [L115] SORT_1 input_403; [L116] SORT_1 input_405; [L117] SORT_1 input_415; [L118] SORT_1 input_434; [L119] SORT_1 input_440; [L120] SORT_1 input_441; [L121] SORT_1 input_442; [L122] SORT_1 input_453; [L123] SORT_1 input_458; [L124] SORT_1 input_460; [L125] SORT_1 input_470; [L126] SORT_1 input_489; [L127] SORT_1 input_495; [L128] SORT_1 input_496; [L129] SORT_1 input_497; [L130] SORT_1 input_508; [L131] SORT_1 input_513; [L132] SORT_1 input_515; [L133] SORT_1 input_525; [L134] SORT_1 input_544; [L135] SORT_1 input_548; [L136] SORT_1 input_549; [L137] SORT_1 input_550; [L138] SORT_1 input_560; [L139] SORT_1 input_585; [L140] SORT_1 input_588; [L141] SORT_1 input_598; [L142] SORT_1 input_623; [L143] SORT_1 input_627; [L144] SORT_1 input_628; [L145] SORT_1 input_629; [L146] SORT_1 input_630; [L147] SORT_1 input_638; [L148] SORT_1 input_642; [L149] SORT_1 input_666; [L150] SORT_1 input_670; [L151] SORT_1 input_673; [L152] SORT_1 input_681; [L153] SORT_1 input_685; [L154] SORT_1 input_709; [L155] SORT_1 input_713; [L156] SORT_1 input_718; [L157] SORT_1 input_727; [L158] SORT_1 input_728; [L159] SORT_1 input_729; [L160] SORT_1 input_739; [L161] SORT_1 input_764; [L162] SORT_1 input_767; [L163] SORT_1 input_777; [L164] SORT_1 input_802; [L165] SORT_1 input_804; [L166] SORT_1 input_805; [L167] SORT_1 input_806; [L168] SORT_1 input_807; [L169] SORT_1 input_808; [L170] SORT_1 input_809; [L171] SORT_1 input_810; [L172] SORT_1 input_818; [L173] SORT_1 input_828; [L174] SORT_1 input_833; [L175] SORT_1 input_860; [L176] SORT_1 input_863; [L177] SORT_1 input_864; [L178] SORT_1 input_875; [L179] SORT_1 input_902; [L180] SORT_1 input_907; [L181] SORT_1 input_919; [L182] SORT_1 input_923; [L183] SORT_1 input_945; [L184] SORT_1 input_949; [L185] SORT_1 input_950; [L186] SORT_1 input_970; [L187] SORT_1 input_974; [L188] SORT_1 input_979; [L189] SORT_1 input_988; [L190] SORT_1 input_1010; [L191] SORT_1 input_1012; [L192] SORT_1 input_1013; [L193] SORT_1 input_1014; [L194] SORT_1 input_1037; [L195] SORT_1 input_1042; [L196] SORT_1 input_1054; [L197] SORT_1 input_1058; [L198] SORT_1 input_1080; [L199] SORT_1 input_1084; [L200] SORT_1 input_1085; [L201] SORT_1 input_1105; [L202] SORT_1 input_1109; [L203] SORT_1 input_1114; [L204] SORT_1 input_1123; [L205] SORT_1 input_1145; [L206] SORT_1 input_1147; [L207] SORT_1 input_1148; [L208] SORT_1 input_1149; [L209] SORT_1 input_1172; [L210] SORT_1 input_1177; [L211] SORT_1 input_1189; [L212] SORT_1 input_1193; [L213] SORT_1 input_1215; [L214] SORT_1 input_1219; [L215] SORT_1 input_1220; [L216] SORT_1 input_1240; [L217] SORT_1 input_1244; [L218] SORT_1 input_1249; [L219] SORT_1 input_1258; [L220] SORT_1 input_1280; [L221] SORT_1 input_1282; [L222] SORT_1 input_1283; [L223] SORT_1 input_1284; [L224] SORT_1 input_1307; [L225] SORT_1 input_1312; [L226] SORT_1 input_1324; [L227] SORT_1 input_1328; [L228] SORT_1 input_1350; [L229] SORT_1 input_1354; [L230] SORT_1 input_1355; [L231] SORT_1 input_1375; [L232] SORT_1 input_1379; [L233] SORT_1 input_1384; [L234] SORT_1 input_1393; [L235] SORT_1 input_1415; [L236] SORT_1 input_1417; [L237] SORT_1 input_1418; [L238] SORT_1 input_1419; [L239] SORT_1 input_1442; [L240] SORT_1 input_1447; [L241] SORT_1 input_1459; [L242] SORT_1 input_1463; [L243] SORT_1 input_1485; [L244] SORT_1 input_1489; [L245] SORT_1 input_1490; [L246] SORT_1 input_1510; [L247] SORT_1 input_1514; [L248] SORT_1 input_1519; [L249] SORT_1 input_1528; [L250] SORT_1 input_1550; [L251] SORT_1 input_1552; [L252] SORT_1 input_1553; [L253] SORT_1 input_1554; [L254] SORT_1 input_1577; [L255] SORT_1 input_1582; [L256] SORT_1 input_1594; [L257] SORT_1 input_1598; [L258] SORT_1 input_1620; [L259] SORT_1 input_1624; [L260] SORT_1 input_1625; [L261] SORT_1 input_1645; [L262] SORT_1 input_1649; [L263] SORT_1 input_1654; [L264] SORT_1 input_1663; [L265] SORT_1 input_1685; [L266] SORT_1 input_1687; [L267] SORT_1 input_1688; [L268] SORT_1 input_1689; [L269] SORT_1 input_1712; [L270] SORT_1 input_1717; [L271] SORT_1 input_1729; [L272] SORT_1 input_1733; [L273] SORT_1 input_1755; [L274] SORT_1 input_1759; [L275] SORT_1 input_1760; [L276] SORT_1 input_1780; [L277] SORT_1 input_1784; [L278] SORT_1 input_1789; [L279] SORT_1 input_1798; [L280] SORT_1 input_1820; [L281] SORT_1 input_1822; [L282] SORT_1 input_1823; [L283] SORT_1 input_1824; [L284] SORT_1 input_1847; [L285] SORT_1 input_1852; [L286] SORT_1 input_1864; [L287] SORT_1 input_1868; [L288] SORT_1 input_1875; [L289] SORT_1 input_1876; [L290] SORT_1 input_1877; [L291] SORT_1 input_1890; [L292] SORT_1 input_1895; [L293] SORT_1 input_1916; [L294] SORT_1 input_1920; [L295] SORT_1 input_1921; [L296] SORT_1 input_1922; [L297] SORT_1 input_1933; [L298] SORT_1 input_1938; [L299] SORT_1 input_1959; [L300] SORT_1 input_1963; [L301] SORT_1 input_1964; [L302] SORT_1 input_1965; [L303] SORT_1 input_1976; [L304] SORT_1 input_1981; [L305] SORT_1 input_2002; [L306] SORT_1 input_2006; [L307] SORT_1 input_2007; [L308] SORT_1 input_2008; [L309] SORT_1 input_2019; [L310] SORT_1 input_2024; [L311] SORT_1 input_2045; [L312] SORT_3 input_2050; [L313] SORT_3 input_2085; [L314] SORT_3 input_2086; [L315] SORT_3 input_2087; [L316] SORT_3 input_2088; [L317] SORT_3 input_2089; [L318] SORT_3 input_2090; [L319] SORT_3 input_2091; [L320] SORT_3 input_2092; [L321] SORT_3 input_2093; [L322] SORT_3 input_2097; [L323] SORT_3 input_2105; [L324] SORT_3 input_2108; [L325] SORT_3 input_2122; [L326] SORT_3 input_2123; [L327] SORT_3 input_2127; [L328] SORT_3 input_2141; [L329] SORT_3 input_2142; [L330] SORT_3 input_2146; [L331] SORT_3 input_2160; [L332] SORT_3 input_2163; [L333] SORT_3 input_2177; [L334] SORT_3 input_2180; [L335] SORT_3 input_2194; [L336] SORT_3 input_2197; [L337] SORT_3 input_2211; [L338] SORT_3 input_2214; [L339] SORT_3 input_2231; [L340] SORT_3 input_2234; [L342] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L342] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L343] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L343] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L344] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L344] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L345] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L345] SORT_21 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L346] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L346] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L347] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L347] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L348] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L348] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L349] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L349] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L350] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L350] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L351] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L351] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L352] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L352] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L353] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L353] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L354] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L354] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L355] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L355] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L356] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L356] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L357] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L357] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L358] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L358] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L359] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L359] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L360] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L360] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L361] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L361] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L362] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L362] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L363] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L363] SORT_3 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L364] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L364] SORT_3 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L365] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L365] SORT_3 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L366] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L366] SORT_3 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L368] SORT_5 init_8_arg_1 = var_6; [L369] state_7 = init_8_arg_1 [L370] SORT_3 init_15_arg_1 = var_13; [L371] state_14 = init_15_arg_1 [L372] SORT_21 init_24_arg_1 = var_22; [L373] state_23 = init_24_arg_1 [L374] SORT_21 init_26_arg_1 = var_22; [L375] state_25 = init_26_arg_1 [L376] SORT_1 init_38_arg_1 = var_36; [L377] state_37 = init_38_arg_1 [L378] SORT_1 init_40_arg_1 = var_36; [L379] state_39 = init_40_arg_1 [L380] SORT_1 init_42_arg_1 = var_36; [L381] state_41 = init_42_arg_1 [L382] SORT_1 init_44_arg_1 = var_36; [L383] state_43 = init_44_arg_1 [L384] SORT_1 init_46_arg_1 = var_36; [L385] state_45 = init_46_arg_1 [L386] SORT_1 init_48_arg_1 = var_36; [L387] state_47 = init_48_arg_1 [L388] SORT_1 init_50_arg_1 = var_36; [L389] state_49 = init_50_arg_1 [L390] SORT_1 init_52_arg_1 = var_36; [L391] state_51 = init_52_arg_1 [L392] SORT_1 init_54_arg_1 = var_36; [L393] state_53 = init_54_arg_1 [L394] SORT_1 init_56_arg_1 = var_36; [L395] state_55 = init_56_arg_1 [L396] SORT_1 init_58_arg_1 = var_36; [L397] state_57 = init_58_arg_1 [L398] SORT_1 init_60_arg_1 = var_36; [L399] state_59 = init_60_arg_1 [L400] SORT_1 init_62_arg_1 = var_36; [L401] state_61 = init_62_arg_1 [L402] SORT_1 init_64_arg_1 = var_36; [L403] state_63 = init_64_arg_1 [L404] SORT_1 init_66_arg_1 = var_36; [L405] state_65 = init_66_arg_1 [L406] SORT_1 init_68_arg_1 = var_36; [L407] state_67 = init_68_arg_1 [L408] SORT_1 init_70_arg_1 = var_36; [L409] state_69 = init_70_arg_1 [L410] SORT_3 init_72_arg_1 = var_13; [L411] state_71 = init_72_arg_1 [L412] SORT_3 init_74_arg_1 = var_13; [L413] state_73 = init_74_arg_1 [L414] SORT_3 init_76_arg_1 = var_13; [L415] state_75 = init_76_arg_1 [L416] SORT_3 init_78_arg_1 = var_13; [L417] state_77 = init_78_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L420] input_2 = __VERIFIER_nondet_uchar() [L421] input_4 = __VERIFIER_nondet_uchar() [L422] input_80 = __VERIFIER_nondet_uchar() [L423] input_82 = __VERIFIER_nondet_uchar() [L424] input_83 = __VERIFIER_nondet_uchar() [L425] input_84 = __VERIFIER_nondet_uchar() [L426] input_101 = __VERIFIER_nondet_uchar() [L427] input_102 = __VERIFIER_nondet_uchar() [L428] input_113 = __VERIFIER_nondet_uchar() [L429] input_114 = __VERIFIER_nondet_uchar() [L430] input_116 = __VERIFIER_nondet_uchar() [L431] input_117 = __VERIFIER_nondet_uchar() [L432] input_171 = __VERIFIER_nondet_uchar() [L433] input_172 = __VERIFIER_nondet_uchar() [L434] input_180 = __VERIFIER_nondet_uchar() [L435] input_181 = __VERIFIER_nondet_uchar() [L436] input_183 = __VERIFIER_nondet_uchar() [L437] input_184 = __VERIFIER_nondet_uchar() [L438] input_234 = __VERIFIER_nondet_uchar() [L439] input_254 = __VERIFIER_nondet_uchar() [L440] input_255 = __VERIFIER_nondet_uchar() [L441] input_256 = __VERIFIER_nondet_uchar() [L442] input_263 = __VERIFIER_nondet_uchar() [L443] input_264 = __VERIFIER_nondet_uchar() [L444] input_307 = __VERIFIER_nondet_uchar() [L445] input_313 = __VERIFIER_nondet_uchar() [L446] input_314 = __VERIFIER_nondet_uchar() [L447] input_315 = __VERIFIER_nondet_uchar() [L448] input_327 = __VERIFIER_nondet_uchar() [L449] input_337 = __VERIFIER_nondet_uchar() [L450] input_343 = __VERIFIER_nondet_uchar() [L451] input_348 = __VERIFIER_nondet_uchar() [L452] input_350 = __VERIFIER_nondet_uchar() [L453] input_360 = __VERIFIER_nondet_uchar() [L454] input_379 = __VERIFIER_nondet_uchar() [L455] input_385 = __VERIFIER_nondet_uchar() [L456] input_386 = __VERIFIER_nondet_uchar() [L457] input_387 = __VERIFIER_nondet_uchar() [L458] input_398 = __VERIFIER_nondet_uchar() [L459] input_403 = __VERIFIER_nondet_uchar() [L460] input_405 = __VERIFIER_nondet_uchar() [L461] input_415 = __VERIFIER_nondet_uchar() [L462] input_434 = __VERIFIER_nondet_uchar() [L463] input_440 = __VERIFIER_nondet_uchar() [L464] input_441 = __VERIFIER_nondet_uchar() [L465] input_442 = __VERIFIER_nondet_uchar() [L466] input_453 = __VERIFIER_nondet_uchar() [L467] input_458 = __VERIFIER_nondet_uchar() [L468] input_460 = __VERIFIER_nondet_uchar() [L469] input_470 = __VERIFIER_nondet_uchar() [L470] input_489 = __VERIFIER_nondet_uchar() [L471] input_495 = __VERIFIER_nondet_uchar() [L472] input_496 = __VERIFIER_nondet_uchar() [L473] input_497 = __VERIFIER_nondet_uchar() [L474] input_508 = __VERIFIER_nondet_uchar() [L475] input_513 = __VERIFIER_nondet_uchar() [L476] input_515 = __VERIFIER_nondet_uchar() [L477] input_525 = __VERIFIER_nondet_uchar() [L478] input_544 = __VERIFIER_nondet_uchar() [L479] input_548 = __VERIFIER_nondet_uchar() [L480] input_549 = __VERIFIER_nondet_uchar() [L481] input_550 = __VERIFIER_nondet_uchar() [L482] input_560 = __VERIFIER_nondet_uchar() [L483] input_585 = __VERIFIER_nondet_uchar() [L484] input_588 = __VERIFIER_nondet_uchar() [L485] input_598 = __VERIFIER_nondet_uchar() [L486] input_623 = __VERIFIER_nondet_uchar() [L487] input_627 = __VERIFIER_nondet_uchar() [L488] input_628 = __VERIFIER_nondet_uchar() [L489] input_629 = __VERIFIER_nondet_uchar() [L490] input_630 = __VERIFIER_nondet_uchar() [L491] input_638 = __VERIFIER_nondet_uchar() [L492] input_642 = __VERIFIER_nondet_uchar() [L493] input_666 = __VERIFIER_nondet_uchar() [L494] input_670 = __VERIFIER_nondet_uchar() [L495] input_673 = __VERIFIER_nondet_uchar() [L496] input_681 = __VERIFIER_nondet_uchar() [L497] input_685 = __VERIFIER_nondet_uchar() [L498] input_709 = __VERIFIER_nondet_uchar() [L499] input_713 = __VERIFIER_nondet_uchar() [L500] input_718 = __VERIFIER_nondet_uchar() [L501] input_727 = __VERIFIER_nondet_uchar() [L502] input_728 = __VERIFIER_nondet_uchar() [L503] input_729 = __VERIFIER_nondet_uchar() [L504] input_739 = __VERIFIER_nondet_uchar() [L505] input_764 = __VERIFIER_nondet_uchar() [L506] input_767 = __VERIFIER_nondet_uchar() [L507] input_777 = __VERIFIER_nondet_uchar() [L508] input_802 = __VERIFIER_nondet_uchar() [L509] input_804 = __VERIFIER_nondet_uchar() [L510] input_805 = __VERIFIER_nondet_uchar() [L511] input_806 = __VERIFIER_nondet_uchar() [L512] input_807 = __VERIFIER_nondet_uchar() [L513] input_808 = __VERIFIER_nondet_uchar() [L514] input_809 = __VERIFIER_nondet_uchar() [L515] input_810 = __VERIFIER_nondet_uchar() [L516] input_818 = __VERIFIER_nondet_uchar() [L517] input_828 = __VERIFIER_nondet_uchar() [L518] input_833 = __VERIFIER_nondet_uchar() [L519] input_860 = __VERIFIER_nondet_uchar() [L520] input_863 = __VERIFIER_nondet_uchar() [L521] input_864 = __VERIFIER_nondet_uchar() [L522] input_875 = __VERIFIER_nondet_uchar() [L523] input_902 = __VERIFIER_nondet_uchar() [L524] input_907 = __VERIFIER_nondet_uchar() [L525] input_919 = __VERIFIER_nondet_uchar() [L526] input_923 = __VERIFIER_nondet_uchar() [L527] input_945 = __VERIFIER_nondet_uchar() [L528] input_949 = __VERIFIER_nondet_uchar() [L529] input_950 = __VERIFIER_nondet_uchar() [L530] input_970 = __VERIFIER_nondet_uchar() [L531] input_974 = __VERIFIER_nondet_uchar() [L532] input_979 = __VERIFIER_nondet_uchar() [L533] input_988 = __VERIFIER_nondet_uchar() [L534] input_1010 = __VERIFIER_nondet_uchar() [L535] input_1012 = __VERIFIER_nondet_uchar() [L536] input_1013 = __VERIFIER_nondet_uchar() [L537] input_1014 = __VERIFIER_nondet_uchar() [L538] input_1037 = __VERIFIER_nondet_uchar() [L539] input_1042 = __VERIFIER_nondet_uchar() [L540] input_1054 = __VERIFIER_nondet_uchar() [L541] input_1058 = __VERIFIER_nondet_uchar() [L542] input_1080 = __VERIFIER_nondet_uchar() [L543] input_1084 = __VERIFIER_nondet_uchar() [L544] input_1085 = __VERIFIER_nondet_uchar() [L545] input_1105 = __VERIFIER_nondet_uchar() [L546] input_1109 = __VERIFIER_nondet_uchar() [L547] input_1114 = __VERIFIER_nondet_uchar() [L548] input_1123 = __VERIFIER_nondet_uchar() [L549] input_1145 = __VERIFIER_nondet_uchar() [L550] input_1147 = __VERIFIER_nondet_uchar() [L551] input_1148 = __VERIFIER_nondet_uchar() [L552] input_1149 = __VERIFIER_nondet_uchar() [L553] input_1172 = __VERIFIER_nondet_uchar() [L554] input_1177 = __VERIFIER_nondet_uchar() [L555] input_1189 = __VERIFIER_nondet_uchar() [L556] input_1193 = __VERIFIER_nondet_uchar() [L557] input_1215 = __VERIFIER_nondet_uchar() [L558] input_1219 = __VERIFIER_nondet_uchar() [L559] input_1220 = __VERIFIER_nondet_uchar() [L560] input_1240 = __VERIFIER_nondet_uchar() [L561] input_1244 = __VERIFIER_nondet_uchar() [L562] input_1249 = __VERIFIER_nondet_uchar() [L563] input_1258 = __VERIFIER_nondet_uchar() [L564] input_1280 = __VERIFIER_nondet_uchar() [L565] input_1282 = __VERIFIER_nondet_uchar() [L566] input_1283 = __VERIFIER_nondet_uchar() [L567] input_1284 = __VERIFIER_nondet_uchar() [L568] input_1307 = __VERIFIER_nondet_uchar() [L569] input_1312 = __VERIFIER_nondet_uchar() [L570] input_1324 = __VERIFIER_nondet_uchar() [L571] input_1328 = __VERIFIER_nondet_uchar() [L572] input_1350 = __VERIFIER_nondet_uchar() [L573] input_1354 = __VERIFIER_nondet_uchar() [L574] input_1355 = __VERIFIER_nondet_uchar() [L575] input_1375 = __VERIFIER_nondet_uchar() [L576] input_1379 = __VERIFIER_nondet_uchar() [L577] input_1384 = __VERIFIER_nondet_uchar() [L578] input_1393 = __VERIFIER_nondet_uchar() [L579] input_1415 = __VERIFIER_nondet_uchar() [L580] input_1417 = __VERIFIER_nondet_uchar() [L581] input_1418 = __VERIFIER_nondet_uchar() [L582] input_1419 = __VERIFIER_nondet_uchar() [L583] input_1442 = __VERIFIER_nondet_uchar() [L584] input_1447 = __VERIFIER_nondet_uchar() [L585] input_1459 = __VERIFIER_nondet_uchar() [L586] input_1463 = __VERIFIER_nondet_uchar() [L587] input_1485 = __VERIFIER_nondet_uchar() [L588] input_1489 = __VERIFIER_nondet_uchar() [L589] input_1490 = __VERIFIER_nondet_uchar() [L590] input_1510 = __VERIFIER_nondet_uchar() [L591] input_1514 = __VERIFIER_nondet_uchar() [L592] input_1519 = __VERIFIER_nondet_uchar() [L593] input_1528 = __VERIFIER_nondet_uchar() [L594] input_1550 = __VERIFIER_nondet_uchar() [L595] input_1552 = __VERIFIER_nondet_uchar() [L596] input_1553 = __VERIFIER_nondet_uchar() [L597] input_1554 = __VERIFIER_nondet_uchar() [L598] input_1577 = __VERIFIER_nondet_uchar() [L599] input_1582 = __VERIFIER_nondet_uchar() [L600] input_1594 = __VERIFIER_nondet_uchar() [L601] input_1598 = __VERIFIER_nondet_uchar() [L602] input_1620 = __VERIFIER_nondet_uchar() [L603] input_1624 = __VERIFIER_nondet_uchar() [L604] input_1625 = __VERIFIER_nondet_uchar() [L605] input_1645 = __VERIFIER_nondet_uchar() [L606] input_1649 = __VERIFIER_nondet_uchar() [L607] input_1654 = __VERIFIER_nondet_uchar() [L608] input_1663 = __VERIFIER_nondet_uchar() [L609] input_1685 = __VERIFIER_nondet_uchar() [L610] input_1687 = __VERIFIER_nondet_uchar() [L611] input_1688 = __VERIFIER_nondet_uchar() [L612] input_1689 = __VERIFIER_nondet_uchar() [L613] input_1712 = __VERIFIER_nondet_uchar() [L614] input_1717 = __VERIFIER_nondet_uchar() [L615] input_1729 = __VERIFIER_nondet_uchar() [L616] input_1733 = __VERIFIER_nondet_uchar() [L617] input_1755 = __VERIFIER_nondet_uchar() [L618] input_1759 = __VERIFIER_nondet_uchar() [L619] input_1760 = __VERIFIER_nondet_uchar() [L620] input_1780 = __VERIFIER_nondet_uchar() [L621] input_1784 = __VERIFIER_nondet_uchar() [L622] input_1789 = __VERIFIER_nondet_uchar() [L623] input_1798 = __VERIFIER_nondet_uchar() [L624] input_1820 = __VERIFIER_nondet_uchar() [L625] input_1822 = __VERIFIER_nondet_uchar() [L626] input_1823 = __VERIFIER_nondet_uchar() [L627] input_1824 = __VERIFIER_nondet_uchar() [L628] input_1847 = __VERIFIER_nondet_uchar() [L629] input_1852 = __VERIFIER_nondet_uchar() [L630] input_1864 = __VERIFIER_nondet_uchar() [L631] input_1868 = __VERIFIER_nondet_uchar() [L632] input_1875 = __VERIFIER_nondet_uchar() [L633] input_1876 = __VERIFIER_nondet_uchar() [L634] input_1877 = __VERIFIER_nondet_uchar() [L635] input_1890 = __VERIFIER_nondet_uchar() [L636] input_1895 = __VERIFIER_nondet_uchar() [L637] input_1916 = __VERIFIER_nondet_uchar() [L638] input_1920 = __VERIFIER_nondet_uchar() [L639] input_1921 = __VERIFIER_nondet_uchar() [L640] input_1922 = __VERIFIER_nondet_uchar() [L641] input_1933 = __VERIFIER_nondet_uchar() [L642] input_1938 = __VERIFIER_nondet_uchar() [L643] input_1959 = __VERIFIER_nondet_uchar() [L644] input_1963 = __VERIFIER_nondet_uchar() [L645] input_1964 = __VERIFIER_nondet_uchar() [L646] input_1965 = __VERIFIER_nondet_uchar() [L647] input_1976 = __VERIFIER_nondet_uchar() [L648] input_1981 = __VERIFIER_nondet_uchar() [L649] input_2002 = __VERIFIER_nondet_uchar() [L650] input_2006 = __VERIFIER_nondet_uchar() [L651] input_2007 = __VERIFIER_nondet_uchar() [L652] input_2008 = __VERIFIER_nondet_uchar() [L653] input_2019 = __VERIFIER_nondet_uchar() [L654] input_2024 = __VERIFIER_nondet_uchar() [L655] input_2045 = __VERIFIER_nondet_uchar() [L656] input_2050 = __VERIFIER_nondet_uchar() [L657] input_2085 = __VERIFIER_nondet_uchar() [L658] input_2086 = __VERIFIER_nondet_uchar() [L659] input_2087 = __VERIFIER_nondet_uchar() [L660] input_2088 = __VERIFIER_nondet_uchar() [L661] input_2089 = __VERIFIER_nondet_uchar() [L662] input_2090 = __VERIFIER_nondet_uchar() [L663] input_2091 = __VERIFIER_nondet_uchar() [L664] input_2092 = __VERIFIER_nondet_uchar() [L665] input_2093 = __VERIFIER_nondet_uchar() [L666] input_2097 = __VERIFIER_nondet_uchar() [L667] input_2105 = __VERIFIER_nondet_uchar() [L668] input_2108 = __VERIFIER_nondet_uchar() [L669] input_2122 = __VERIFIER_nondet_uchar() [L670] input_2123 = __VERIFIER_nondet_uchar() [L671] input_2127 = __VERIFIER_nondet_uchar() [L672] input_2141 = __VERIFIER_nondet_uchar() [L673] input_2142 = __VERIFIER_nondet_uchar() [L674] input_2146 = __VERIFIER_nondet_uchar() [L675] input_2160 = __VERIFIER_nondet_uchar() [L676] input_2163 = __VERIFIER_nondet_uchar() [L677] input_2177 = __VERIFIER_nondet_uchar() [L678] input_2180 = __VERIFIER_nondet_uchar() [L679] input_2194 = __VERIFIER_nondet_uchar() [L680] input_2197 = __VERIFIER_nondet_uchar() [L681] input_2211 = __VERIFIER_nondet_uchar() [L682] input_2214 = __VERIFIER_nondet_uchar() [L683] input_2231 = __VERIFIER_nondet_uchar() [L684] input_2234 = __VERIFIER_nondet_uchar() [L687] SORT_5 var_10_arg_0 = state_7; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_10_arg_0=0, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L688] EXPR var_10_arg_0 & mask_SORT_5 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L688] var_10_arg_0 = var_10_arg_0 & mask_SORT_5 [L689] SORT_9 var_10 = var_10_arg_0; [L690] SORT_9 var_12_arg_0 = var_10; [L691] SORT_9 var_12_arg_1 = var_11; [L692] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L693] SORT_3 var_16_arg_0 = state_14; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_12=0, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_16_arg_0=0, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L694] EXPR var_16_arg_0 & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_12=0, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L694] var_16_arg_0 = var_16_arg_0 & mask_SORT_3 [L695] SORT_9 var_16 = var_16_arg_0; [L696] SORT_9 var_18_arg_0 = var_16; [L697] SORT_9 var_18_arg_1 = var_17; [L698] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L699] SORT_1 var_19_arg_0 = var_12; [L700] SORT_1 var_19_arg_1 = var_18; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_19_arg_0=0, var_19_arg_1=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L701] EXPR var_19_arg_0 & var_19_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L701] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L702] SORT_1 var_20_arg_0 = var_19; [L703] SORT_1 var_20 = ~var_20_arg_0; [L704] SORT_21 var_27_arg_0 = state_23; [L705] SORT_21 var_27_arg_1 = state_25; [L706] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L707] SORT_1 var_28_arg_0 = var_27; [L708] SORT_1 var_28 = ~var_28_arg_0; [L709] SORT_1 var_29_arg_0 = var_20; [L710] SORT_1 var_29_arg_1 = var_28; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_29_arg_0=-1, var_29_arg_1=-2, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L711] EXPR var_29_arg_0 | var_29_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L711] SORT_1 var_29 = var_29_arg_0 | var_29_arg_1; [L712] SORT_1 var_33_arg_0 = var_29; [L713] SORT_1 var_33 = ~var_33_arg_0; [L714] SORT_1 var_34_arg_0 = var_32; [L715] SORT_1 var_34_arg_1 = var_33; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_34_arg_0=1, var_34_arg_1=-1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L716] EXPR var_34_arg_0 & var_34_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L716] SORT_1 var_34 = var_34_arg_0 & var_34_arg_1; [L717] EXPR var_34 & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=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_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L717] var_34 = var_34 & mask_SORT_1 [L718] SORT_1 bad_35_arg_0 = var_34; [L719] CALL __VERIFIER_assert(!(bad_35_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2806 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22809 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22809 mSDsluCounter, 97788 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73323 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19847 IncrementalHoareTripleChecker+Invalid, 19849 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 24465 mSDtfsCounter, 19847 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2824occurred in iteration=7, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 2074 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 1118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 17:35:57,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 17:35:59,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 17:35:59,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-03 17:35:59,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 17:35:59,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 17:35:59,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 17:35:59,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 17:35:59,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 17:35:59,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 17:35:59,774 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 17:35:59,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 17:35:59,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 17:35:59,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 17:35:59,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 17:35:59,776 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 17:35:59,777 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 17:35:59,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:35:59,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 17:35:59,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 17:35:59,778 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 17:35:59,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 17:35:59,778 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 17:35:59,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 17:35:59,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 17:35:59,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 17:35:59,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 17:35:59,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 17:35:59,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd [2025-03-03 17:36:00,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 17:36:00,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 17:36:00,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 17:36:00,018 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 17:36:00,018 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 17:36:00,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2025-03-03 17:36:01,200 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ffaebea/f76de229f33947ccaf11680806d65dcd/FLAG8a6c2c5a3 [2025-03-03 17:36:01,653 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 17:36:01,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2025-03-03 17:36:01,681 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ffaebea/f76de229f33947ccaf11680806d65dcd/FLAG8a6c2c5a3 [2025-03-03 17:36:01,695 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ffaebea/f76de229f33947ccaf11680806d65dcd [2025-03-03 17:36:01,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 17:36:01,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 17:36:01,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 17:36:01,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 17:36:01,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 17:36:01,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:36:01" (1/1) ... [2025-03-03 17:36:01,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682b7ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:01, skipping insertion in model container [2025-03-03 17:36:01,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:36:01" (1/1) ... [2025-03-03 17:36:01,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 17:36:02,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c[1245,1258] [2025-03-03 17:36:02,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:36:02,629 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 17:36:02,638 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c[1245,1258] [2025-03-03 17:36:02,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:36:02,945 INFO L204 MainTranslator]: Completed translation [2025-03-03 17:36:02,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02 WrapperNode [2025-03-03 17:36:02,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 17:36:02,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 17:36:02,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 17:36:02,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 17:36:02,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,294 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8041 [2025-03-03 17:36:03,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 17:36:03,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 17:36:03,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 17:36:03,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 17:36:03,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,456 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-03-03 17:36:03,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 17:36:03,710 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 17:36:03,710 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 17:36:03,711 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 17:36:03,712 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (1/1) ... [2025-03-03 17:36:03,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:36:03,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:36:03,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 17:36:03,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 17:36:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 17:36:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 17:36:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-03 17:36:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 17:36:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 17:36:04,552 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 17:36:04,554 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 17:36:10,865 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2025-03-03 17:36:10,866 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 17:36:10,871 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 17:36:10,871 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 17:36:10,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:36:10 BoogieIcfgContainer [2025-03-03 17:36:10,871 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 17:36:10,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 17:36:10,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 17:36:10,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 17:36:10,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:36:01" (1/3) ... [2025-03-03 17:36:10,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb7572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:36:10, skipping insertion in model container [2025-03-03 17:36:10,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:36:02" (2/3) ... [2025-03-03 17:36:10,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb7572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:36:10, skipping insertion in model container [2025-03-03 17:36:10,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:36:10" (3/3) ... [2025-03-03 17:36:10,879 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_RCU.c [2025-03-03 17:36:10,888 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 17:36:10,890 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_RCU.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 17:36:10,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 17:36:10,929 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;@219269bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 17:36:10,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 17:36:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:36:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-03 17:36:10,935 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:36:10,936 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-03 17:36:10,936 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:36:10,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:36:10,941 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-03-03 17:36:10,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 17:36:10,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132097631] [2025-03-03 17:36:10,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:36:10,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:36:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:36:10,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 17:36:10,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 17:36:11,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-03 17:36:11,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-03 17:36:11,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:36:11,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:36:11,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-03 17:36:11,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 17:36:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:36:12,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 17:36:12,124 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 17:36:12,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132097631] [2025-03-03 17:36:12,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132097631] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:36:12,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:36:12,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:36:12,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085007110] [2025-03-03 17:36:12,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:36:12,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:36:12,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 17:36:12,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:36:12,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:36:12,148 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:36:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:36:12,332 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-03-03 17:36:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:36:12,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-03 17:36:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:36:12,338 INFO L225 Difference]: With dead ends: 18 [2025-03-03 17:36:12,338 INFO L226 Difference]: Without dead ends: 10 [2025-03-03 17:36:12,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:36:12,341 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:36:12,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-03 17:36:12,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-03 17:36:12,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-03 17:36:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:36:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-03-03 17:36:12,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-03-03 17:36:12,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:36:12,361 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-03-03 17:36:12,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:36:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-03-03 17:36:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-03 17:36:12,361 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:36:12,361 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-03 17:36:12,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-03 17:36:12,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:36:12,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:36:12,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:36:12,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-03-03 17:36:12,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 17:36:12,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [650891474] [2025-03-03 17:36:12,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:36:12,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:36:12,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:36:12,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 17:36:12,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 17:36:13,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-03 17:36:13,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-03 17:36:13,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:36:13,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:36:13,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-03-03 17:36:13,903 INFO L279 TraceCheckSpWp]: Computing forward predicates...