./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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.anderson.5.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 16:33:55,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 16:33:55,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-03 16:33:55,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 16:33:55,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 16:33:55,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 16:33:55,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 16:33:55,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 16:33:55,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 16:33:55,623 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 16:33:55,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 16:33:55,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 16:33:55,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 16:33:55,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 16:33:55,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 16:33:55,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 16:33:55,626 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 16:33:55,626 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 16:33:55,626 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 16:33:55,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 16:33:55,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 16:33:55,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 16:33:55,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 16:33:55,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 16:33:55,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 16:33:55,627 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 -> db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 [2025-03-03 16:33:55,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 16:33:55,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 16:33:55,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 16:33:55,873 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 16:33:55,874 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 16:33:55,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2025-03-03 16:33:57,062 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4df79f9d/b371cca5871d41738a14865d74d6efa6/FLAGa4108486b [2025-03-03 16:33:57,472 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 16:33:57,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2025-03-03 16:33:57,497 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4df79f9d/b371cca5871d41738a14865d74d6efa6/FLAGa4108486b [2025-03-03 16:33:57,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4df79f9d/b371cca5871d41738a14865d74d6efa6 [2025-03-03 16:33:57,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 16:33:57,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 16:33:57,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 16:33:57,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 16:33:57,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 16:33:57,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:33:57" (1/1) ... [2025-03-03 16:33:57,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9233d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:57, skipping insertion in model container [2025-03-03 16:33:57,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:33:57" (1/1) ... [2025-03-03 16:33:57,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 16:33:57,883 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2025-03-03 16:33:58,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 16:33:58,274 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 16:33:58,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2025-03-03 16:33:58,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 16:33:58,511 INFO L204 MainTranslator]: Completed translation [2025-03-03 16:33:58,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58 WrapperNode [2025-03-03 16:33:58,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 16:33:58,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 16:33:58,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 16:33:58,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 16:33:58,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:58,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,203 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8650 [2025-03-03 16:33:59,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 16:33:59,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 16:33:59,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 16:33:59,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 16:33:59,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,472 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 16:33:59,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,631 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 16:33:59,920 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 16:33:59,920 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 16:33:59,920 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 16:33:59,921 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (1/1) ... [2025-03-03 16:33:59,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 16:33:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 16:33:59,946 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 16:33:59,947 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 16:33:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 16:33:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 16:33:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 16:33:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 16:34:00,345 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 16:34:00,347 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 16:34:09,337 INFO L? ?]: Removed 4793 outVars from TransFormulas that were not future-live. [2025-03-03 16:34:09,338 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 16:34:09,571 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 16:34:09,575 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 16:34:09,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 04:34:09 BoogieIcfgContainer [2025-03-03 16:34:09,575 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 16:34:09,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 16:34:09,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 16:34:09,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 16:34:09,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:33:57" (1/3) ... [2025-03-03 16:34:09,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4da761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:34:09, skipping insertion in model container [2025-03-03 16:34:09,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:33:58" (2/3) ... [2025-03-03 16:34:09,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4da761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:34:09, skipping insertion in model container [2025-03-03 16:34:09,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 04:34:09" (3/3) ... [2025-03-03 16:34:09,583 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c [2025-03-03 16:34:09,597 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 16:34:09,599 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c that has 1 procedures, 2990 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 16:34:09,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 16:34:09,737 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;@d30b1ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 16:34:09,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 16:34:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 2990 states, 2988 states have (on average 1.5050200803212852) internal successors, (4497), 2989 states have internal predecessors, (4497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:09,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-03 16:34:09,759 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:09,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:09,760 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:09,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1530680644, now seen corresponding path program 1 times [2025-03-03 16:34:09,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:09,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873180766] [2025-03-03 16:34:09,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:09,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:09,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-03 16:34:10,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-03 16:34:10,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:10,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:10,637 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 16:34:10,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 16:34:10,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873180766] [2025-03-03 16:34:10,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873180766] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:10,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:10,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 16:34:10,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624838437] [2025-03-03 16:34:10,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:10,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 16:34:10,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 16:34:10,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 16:34:10,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 16:34:10,671 INFO L87 Difference]: Start difference. First operand has 2990 states, 2988 states have (on average 1.5050200803212852) internal successors, (4497), 2989 states have internal predecessors, (4497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:12,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:12,007 INFO L93 Difference]: Finished difference Result 5829 states and 8771 transitions. [2025-03-03 16:34:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 16:34:12,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2025-03-03 16:34:12,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:12,033 INFO L225 Difference]: With dead ends: 5829 [2025-03-03 16:34:12,033 INFO L226 Difference]: Without dead ends: 2989 [2025-03-03 16:34:12,039 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 16:34:12,041 INFO L435 NwaCegarLoop]: 3754 mSDtfsCounter, 0 mSDsluCounter, 7503 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11257 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:12,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11257 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-03 16:34:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2025-03-03 16:34:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 2989. [2025-03-03 16:34:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2988 states have (on average 1.5043507362784472) internal successors, (4495), 2988 states have internal predecessors, (4495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 4495 transitions. [2025-03-03 16:34:12,148 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 4495 transitions. Word has length 119 [2025-03-03 16:34:12,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:12,149 INFO L471 AbstractCegarLoop]: Abstraction has 2989 states and 4495 transitions. [2025-03-03 16:34:12,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 4495 transitions. [2025-03-03 16:34:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-03 16:34:12,152 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:12,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:12,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 16:34:12,152 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:12,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:12,153 INFO L85 PathProgramCache]: Analyzing trace with hash -201775739, now seen corresponding path program 1 times [2025-03-03 16:34:12,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:12,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706039492] [2025-03-03 16:34:12,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:12,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:12,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-03 16:34:12,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-03 16:34:12,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:12,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:12,440 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 16:34:12,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 16:34:12,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706039492] [2025-03-03 16:34:12,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706039492] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:12,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:12,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 16:34:12,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366109357] [2025-03-03 16:34:12,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:12,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 16:34:12,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 16:34:12,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 16:34:12,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 16:34:12,445 INFO L87 Difference]: Start difference. First operand 2989 states and 4495 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:13,582 INFO L93 Difference]: Finished difference Result 5830 states and 8769 transitions. [2025-03-03 16:34:13,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 16:34:13,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2025-03-03 16:34:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:13,593 INFO L225 Difference]: With dead ends: 5830 [2025-03-03 16:34:13,594 INFO L226 Difference]: Without dead ends: 2991 [2025-03-03 16:34:13,598 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 16:34:13,599 INFO L435 NwaCegarLoop]: 3754 mSDtfsCounter, 0 mSDsluCounter, 7500 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11254 SdHoareTripleChecker+Invalid, 2224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:13,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11254 Invalid, 2224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-03 16:34:13,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2025-03-03 16:34:13,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2991. [2025-03-03 16:34:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2991 states, 2990 states have (on average 1.5040133779264213) internal successors, (4497), 2990 states have internal predecessors, (4497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 4497 transitions. [2025-03-03 16:34:13,655 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 4497 transitions. Word has length 120 [2025-03-03 16:34:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:13,656 INFO L471 AbstractCegarLoop]: Abstraction has 2991 states and 4497 transitions. [2025-03-03 16:34:13,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 4497 transitions. [2025-03-03 16:34:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-03 16:34:13,657 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:13,658 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:13,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 16:34:13,658 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:13,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:13,658 INFO L85 PathProgramCache]: Analyzing trace with hash -28566569, now seen corresponding path program 1 times [2025-03-03 16:34:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:13,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995541734] [2025-03-03 16:34:13,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:13,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:13,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-03 16:34:13,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-03 16:34:13,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:13,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:13,969 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 16:34:13,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 16:34:13,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995541734] [2025-03-03 16:34:13,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995541734] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:13,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:13,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 16:34:13,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721391758] [2025-03-03 16:34:13,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:13,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 16:34:13,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 16:34:13,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 16:34:13,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 16:34:13,971 INFO L87 Difference]: Start difference. First operand 2991 states and 4497 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:15,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:15,065 INFO L93 Difference]: Finished difference Result 5834 states and 8773 transitions. [2025-03-03 16:34:15,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 16:34:15,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2025-03-03 16:34:15,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:15,076 INFO L225 Difference]: With dead ends: 5834 [2025-03-03 16:34:15,077 INFO L226 Difference]: Without dead ends: 2993 [2025-03-03 16:34:15,081 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 16:34:15,082 INFO L435 NwaCegarLoop]: 3754 mSDtfsCounter, 0 mSDsluCounter, 7495 mSDsCounter, 0 mSdLazyCounter, 2229 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11249 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:15,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11249 Invalid, 2229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-03 16:34:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2025-03-03 16:34:15,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2993. [2025-03-03 16:34:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2993 states, 2992 states have (on average 1.5036764705882353) internal successors, (4499), 2992 states have internal predecessors, (4499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 4499 transitions. [2025-03-03 16:34:15,135 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 4499 transitions. Word has length 121 [2025-03-03 16:34:15,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:15,136 INFO L471 AbstractCegarLoop]: Abstraction has 2993 states and 4499 transitions. [2025-03-03 16:34:15,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 4499 transitions. [2025-03-03 16:34:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-03 16:34:15,138 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:15,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:15,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 16:34:15,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:15,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1002803690, now seen corresponding path program 1 times [2025-03-03 16:34:15,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:15,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133076796] [2025-03-03 16:34:15,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:15,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-03 16:34:15,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-03 16:34:15,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:15,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:15,369 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 16:34:15,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 16:34:15,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133076796] [2025-03-03 16:34:15,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133076796] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:15,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:15,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 16:34:15,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449037617] [2025-03-03 16:34:15,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:15,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 16:34:15,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 16:34:15,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 16:34:15,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 16:34:15,370 INFO L87 Difference]: Start difference. First operand 2993 states and 4499 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:16,443 INFO L93 Difference]: Finished difference Result 5844 states and 8785 transitions. [2025-03-03 16:34:16,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 16:34:16,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2025-03-03 16:34:16,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:16,453 INFO L225 Difference]: With dead ends: 5844 [2025-03-03 16:34:16,453 INFO L226 Difference]: Without dead ends: 3001 [2025-03-03 16:34:16,456 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 16:34:16,459 INFO L435 NwaCegarLoop]: 3754 mSDtfsCounter, 3 mSDsluCounter, 7495 mSDsCounter, 0 mSdLazyCounter, 2229 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11249 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:16,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11249 Invalid, 2229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-03 16:34:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2025-03-03 16:34:16,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 2997. [2025-03-03 16:34:16,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 2996 states have (on average 1.503671562082777) internal successors, (4505), 2996 states have internal predecessors, (4505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4505 transitions. [2025-03-03 16:34:16,505 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4505 transitions. Word has length 122 [2025-03-03 16:34:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:16,505 INFO L471 AbstractCegarLoop]: Abstraction has 2997 states and 4505 transitions. [2025-03-03 16:34:16,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4505 transitions. [2025-03-03 16:34:16,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-03 16:34:16,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:16,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:16,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 16:34:16,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:16,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:16,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1721945586, now seen corresponding path program 1 times [2025-03-03 16:34:16,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:16,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493350580] [2025-03-03 16:34:16,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:16,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:16,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-03 16:34:16,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-03 16:34:16,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:16,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:16,821 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 16:34:16,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 16:34:16,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493350580] [2025-03-03 16:34:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493350580] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:16,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 16:34:16,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583505886] [2025-03-03 16:34:16,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:16,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 16:34:16,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 16:34:16,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 16:34:16,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 16:34:16,824 INFO L87 Difference]: Start difference. First operand 2997 states and 4505 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:20,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:20,064 INFO L93 Difference]: Finished difference Result 8675 states and 13043 transitions. [2025-03-03 16:34:20,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 16:34:20,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2025-03-03 16:34:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:20,078 INFO L225 Difference]: With dead ends: 8675 [2025-03-03 16:34:20,079 INFO L226 Difference]: Without dead ends: 5828 [2025-03-03 16:34:20,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-03 16:34:20,084 INFO L435 NwaCegarLoop]: 2955 mSDtfsCounter, 4365 mSDsluCounter, 8745 mSDsCounter, 0 mSdLazyCounter, 6049 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4365 SdHoareTripleChecker+Valid, 11700 SdHoareTripleChecker+Invalid, 6050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:20,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4365 Valid, 11700 Invalid, 6050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6049 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-03-03 16:34:20,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5828 states. [2025-03-03 16:34:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5828 to 3064. [2025-03-03 16:34:20,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 3063 states have (on average 1.5031015344433563) internal successors, (4604), 3063 states have internal predecessors, (4604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4604 transitions. [2025-03-03 16:34:20,153 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4604 transitions. Word has length 123 [2025-03-03 16:34:20,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:20,153 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 4604 transitions. [2025-03-03 16:34:20,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4604 transitions. [2025-03-03 16:34:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-03 16:34:20,155 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:20,155 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:20,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-03 16:34:20,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:20,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1998800675, now seen corresponding path program 1 times [2025-03-03 16:34:20,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:20,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205816256] [2025-03-03 16:34:20,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:20,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:20,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-03 16:34:20,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-03 16:34:20,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:20,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:20,615 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 16:34:20,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 16:34:20,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205816256] [2025-03-03 16:34:20,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205816256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:20,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:20,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 16:34:20,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854983979] [2025-03-03 16:34:20,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:20,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 16:34:20,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 16:34:20,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 16:34:20,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-03 16:34:20,617 INFO L87 Difference]: Start difference. First operand 3064 states and 4604 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:23,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:23,026 INFO L93 Difference]: Finished difference Result 5926 states and 8906 transitions. [2025-03-03 16:34:23,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 16:34:23,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2025-03-03 16:34:23,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:23,034 INFO L225 Difference]: With dead ends: 5926 [2025-03-03 16:34:23,034 INFO L226 Difference]: Without dead ends: 3079 [2025-03-03 16:34:23,037 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 16:34:23,037 INFO L435 NwaCegarLoop]: 2924 mSDtfsCounter, 4398 mSDsluCounter, 8761 mSDsCounter, 0 mSdLazyCounter, 6287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4398 SdHoareTripleChecker+Valid, 11685 SdHoareTripleChecker+Invalid, 6288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:23,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4398 Valid, 11685 Invalid, 6288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6287 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-03 16:34:23,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3079 states. [2025-03-03 16:34:23,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3079 to 3077. [2025-03-03 16:34:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3077 states, 3076 states have (on average 1.5016254876462938) internal successors, (4619), 3076 states have internal predecessors, (4619), 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 16:34:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 3077 states and 4619 transitions. [2025-03-03 16:34:23,086 INFO L78 Accepts]: Start accepts. Automaton has 3077 states and 4619 transitions. Word has length 124 [2025-03-03 16:34:23,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:23,086 INFO L471 AbstractCegarLoop]: Abstraction has 3077 states and 4619 transitions. [2025-03-03 16:34:23,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3077 states and 4619 transitions. [2025-03-03 16:34:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-03 16:34:23,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:23,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:23,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 16:34:23,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:23,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1602567014, now seen corresponding path program 1 times [2025-03-03 16:34:23,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:23,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358888723] [2025-03-03 16:34:23,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:23,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:23,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-03 16:34:23,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-03 16:34:23,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:23,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:23,368 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 16:34:23,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 16:34:23,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358888723] [2025-03-03 16:34:23,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358888723] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:23,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:23,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 16:34:23,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433186694] [2025-03-03 16:34:23,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:23,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 16:34:23,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 16:34:23,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 16:34:23,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 16:34:23,370 INFO L87 Difference]: Start difference. First operand 3077 states and 4619 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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 16:34:25,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:25,426 INFO L93 Difference]: Finished difference Result 5934 states and 8912 transitions. [2025-03-03 16:34:25,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 16:34:25,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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 125 [2025-03-03 16:34:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:25,433 INFO L225 Difference]: With dead ends: 5934 [2025-03-03 16:34:25,434 INFO L226 Difference]: Without dead ends: 3077 [2025-03-03 16:34:25,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 16:34:25,436 INFO L435 NwaCegarLoop]: 2947 mSDtfsCounter, 4378 mSDsluCounter, 5884 mSDsCounter, 0 mSdLazyCounter, 4633 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4378 SdHoareTripleChecker+Valid, 8831 SdHoareTripleChecker+Invalid, 4634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:25,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4378 Valid, 8831 Invalid, 4634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4633 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-03 16:34:25,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3077 states. [2025-03-03 16:34:25,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3077 to 3064. [2025-03-03 16:34:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 3063 states have (on average 1.5017956252040483) internal successors, (4600), 3063 states have internal predecessors, (4600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 16:34:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4600 transitions. [2025-03-03 16:34:25,465 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4600 transitions. Word has length 125 [2025-03-03 16:34:25,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:25,465 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 4600 transitions. [2025-03-03 16:34:25,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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 16:34:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4600 transitions. [2025-03-03 16:34:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-03 16:34:25,466 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:25,466 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:25,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 16:34:25,467 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:25,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:25,467 INFO L85 PathProgramCache]: Analyzing trace with hash -185679755, now seen corresponding path program 1 times [2025-03-03 16:34:25,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 16:34:25,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169274060] [2025-03-03 16:34:25,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:25,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 16:34:25,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-03 16:34:25,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-03 16:34:25,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:25,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 16:34:25,515 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 16:34:25,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-03 16:34:25,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-03 16:34:25,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:25,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 16:34:25,629 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 16:34:25,630 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 16:34:25,630 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 16:34:25,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-03 16:34:25,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 16:34:25,696 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-03 16:34:25,713 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 16:34:25,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 04:34:25 BoogieIcfgContainer [2025-03-03 16:34:25,719 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 16:34:25,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 16:34:25,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 16:34:25,720 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 16:34:25,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 04:34:09" (3/4) ... [2025-03-03 16:34:25,723 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 16:34:25,723 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 16:34:25,724 INFO L158 Benchmark]: Toolchain (without parser) took 28092.63ms. Allocated memory was 167.8MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 118.3MB in the beginning and 779.7MB in the end (delta: -661.5MB). Peak memory consumption was 511.5MB. Max. memory is 16.1GB. [2025-03-03 16:34:25,724 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 16:34:25,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.51ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 117.8MB in the beginning and 93.6MB in the end (delta: 24.2MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2025-03-03 16:34:25,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 691.01ms. Allocated memory was 176.2MB in the beginning and 461.4MB in the end (delta: 285.2MB). Free memory was 93.6MB in the beginning and 264.3MB in the end (delta: -170.7MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB. [2025-03-03 16:34:25,726 INFO L158 Benchmark]: Boogie Preprocessor took 714.72ms. Allocated memory is still 461.4MB. Free memory was 264.3MB in the beginning and 244.1MB in the end (delta: 20.2MB). Peak memory consumption was 143.7MB. Max. memory is 16.1GB. [2025-03-03 16:34:25,726 INFO L158 Benchmark]: IcfgBuilder took 9655.84ms. Allocated memory was 461.4MB in the beginning and 1.1GB in the end (delta: 612.4MB). Free memory was 244.1MB in the beginning and 275.0MB in the end (delta: -30.9MB). Peak memory consumption was 662.5MB. Max. memory is 16.1GB. [2025-03-03 16:34:25,726 INFO L158 Benchmark]: TraceAbstraction took 16141.80ms. Allocated memory was 1.1GB in the beginning and 1.3GB in the end (delta: 260.0MB). Free memory was 275.0MB in the beginning and 779.8MB in the end (delta: -504.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 16:34:25,727 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 1.3GB. Free memory was 779.8MB in the beginning and 779.7MB in the end (delta: 74.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 16:34:25,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.51ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 117.8MB in the beginning and 93.6MB in the end (delta: 24.2MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 691.01ms. Allocated memory was 176.2MB in the beginning and 461.4MB in the end (delta: 285.2MB). Free memory was 93.6MB in the beginning and 264.3MB in the end (delta: -170.7MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 714.72ms. Allocated memory is still 461.4MB. Free memory was 264.3MB in the beginning and 244.1MB in the end (delta: 20.2MB). Peak memory consumption was 143.7MB. Max. memory is 16.1GB. * IcfgBuilder took 9655.84ms. Allocated memory was 461.4MB in the beginning and 1.1GB in the end (delta: 612.4MB). Free memory was 244.1MB in the beginning and 275.0MB in the end (delta: -30.9MB). Peak memory consumption was 662.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16141.80ms. Allocated memory was 1.1GB in the beginning and 1.3GB in the end (delta: 260.0MB). Free memory was 275.0MB in the beginning and 779.8MB in the end (delta: -504.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 1.3GB. Free memory was 779.8MB in the beginning and 779.7MB in the end (delta: 74.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 284, overapproximation of bitwiseAnd at line 282. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_28 = 0; [L40] const SORT_4 var_81 = 1; [L41] const SORT_4 var_82 = 0; [L42] const SORT_2 var_95 = 1; [L43] const SORT_3 var_97 = 0; [L44] const SORT_4 var_100 = 5; [L45] const SORT_2 var_110 = 0; [L46] const SORT_4 var_203 = 2; [L47] const SORT_4 var_235 = 3; [L48] const SORT_4 var_267 = 4; [L49] const SORT_2 var_446 = 4; [L50] const SORT_2 var_456 = 2; [L51] const SORT_2 var_458 = 3; [L53] SORT_1 input_96; [L54] SORT_1 input_104; [L55] SORT_1 input_111; [L56] SORT_1 input_117; [L57] SORT_1 input_123; [L58] SORT_1 input_129; [L59] SORT_1 input_135; [L60] SORT_1 input_141; [L61] SORT_1 input_147; [L62] SORT_1 input_153; [L63] SORT_1 input_299; [L64] SORT_1 input_303; [L65] SORT_1 input_306; [L66] SORT_1 input_307; [L67] SORT_1 input_308; [L68] SORT_1 input_309; [L69] SORT_1 input_310; [L70] SORT_1 input_311; [L71] SORT_1 input_312; [L72] SORT_1 input_313; [L73] SORT_1 input_325; [L74] SORT_1 input_331; [L75] SORT_1 input_337; [L76] SORT_1 input_343; [L77] SORT_1 input_349; [L78] SORT_1 input_364; [L79] SORT_1 input_382; [L80] SORT_1 input_400; [L81] SORT_1 input_418; [L82] SORT_1 input_436; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L84] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L85] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L86] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L87] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L88] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L89] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L90] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L91] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L92] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L93] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L94] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L95] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L96] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L97] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L98] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L99] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L100] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L101] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L102] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L103] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L104] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L105] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L106] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L107] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L108] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L109] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L110] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L111] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L112] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L113] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L114] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L115] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L116] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L117] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L118] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L119] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_28=0, var_446=4, var_456=2, var_458=3, var_5=0, var_81=1, var_82=0, var_95=1, var_97=0] [L120] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_2 init_7_arg_1 = var_5; [L123] state_6 = init_7_arg_1 [L124] SORT_2 init_9_arg_1 = var_5; [L125] state_8 = init_9_arg_1 [L126] SORT_2 init_11_arg_1 = var_5; [L127] state_10 = init_11_arg_1 [L128] SORT_2 init_13_arg_1 = var_5; [L129] state_12 = init_13_arg_1 [L130] SORT_2 init_15_arg_1 = var_5; [L131] state_14 = init_15_arg_1 [L132] SORT_2 init_17_arg_1 = var_5; [L133] state_16 = init_17_arg_1 [L134] SORT_2 init_19_arg_1 = var_5; [L135] state_18 = init_19_arg_1 [L136] SORT_2 init_21_arg_1 = var_5; [L137] state_20 = init_21_arg_1 [L138] SORT_2 init_23_arg_1 = var_5; [L139] state_22 = init_23_arg_1 [L140] SORT_2 init_25_arg_1 = var_5; [L141] state_24 = init_25_arg_1 [L142] SORT_2 init_27_arg_1 = var_5; [L143] state_26 = init_27_arg_1 [L144] SORT_1 init_30_arg_1 = var_28; [L145] state_29 = init_30_arg_1 [L146] SORT_1 init_32_arg_1 = var_28; [L147] state_31 = init_32_arg_1 [L148] SORT_1 init_34_arg_1 = var_28; [L149] state_33 = init_34_arg_1 [L150] SORT_1 init_36_arg_1 = var_28; [L151] state_35 = init_36_arg_1 [L152] SORT_1 init_38_arg_1 = var_28; [L153] state_37 = init_38_arg_1 [L154] SORT_1 init_40_arg_1 = var_28; [L155] state_39 = init_40_arg_1 [L156] SORT_1 init_42_arg_1 = var_28; [L157] state_41 = init_42_arg_1 [L158] SORT_1 init_44_arg_1 = var_28; [L159] state_43 = init_44_arg_1 [L160] SORT_1 init_46_arg_1 = var_28; [L161] state_45 = init_46_arg_1 [L162] SORT_1 init_48_arg_1 = var_28; [L163] state_47 = init_48_arg_1 [L164] SORT_1 init_50_arg_1 = var_28; [L165] state_49 = init_50_arg_1 [L166] SORT_1 init_52_arg_1 = var_28; [L167] state_51 = init_52_arg_1 [L168] SORT_1 init_54_arg_1 = var_28; [L169] state_53 = init_54_arg_1 [L170] SORT_1 init_56_arg_1 = var_28; [L171] state_55 = init_56_arg_1 [L172] SORT_1 init_58_arg_1 = var_28; [L173] state_57 = init_58_arg_1 [L174] SORT_1 init_60_arg_1 = var_28; [L175] state_59 = init_60_arg_1 [L176] SORT_1 init_62_arg_1 = var_28; [L177] state_61 = init_62_arg_1 [L178] SORT_1 init_64_arg_1 = var_28; [L179] state_63 = init_64_arg_1 [L180] SORT_1 init_66_arg_1 = var_28; [L181] state_65 = init_66_arg_1 [L182] SORT_1 init_68_arg_1 = var_28; [L183] state_67 = init_68_arg_1 [L184] SORT_1 init_70_arg_1 = var_28; [L185] state_69 = init_70_arg_1 [L186] SORT_1 init_72_arg_1 = var_28; [L187] state_71 = init_72_arg_1 [L188] SORT_1 init_74_arg_1 = var_28; [L189] state_73 = init_74_arg_1 [L190] SORT_1 init_76_arg_1 = var_28; [L191] state_75 = init_76_arg_1 [L192] SORT_1 init_78_arg_1 = var_28; [L193] state_77 = init_78_arg_1 [L194] SORT_1 init_80_arg_1 = var_28; [L195] state_79 = init_80_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L198] input_96 = __VERIFIER_nondet_uchar() [L199] input_104 = __VERIFIER_nondet_uchar() [L200] input_111 = __VERIFIER_nondet_uchar() [L201] input_117 = __VERIFIER_nondet_uchar() [L202] input_123 = __VERIFIER_nondet_uchar() [L203] input_129 = __VERIFIER_nondet_uchar() [L204] input_135 = __VERIFIER_nondet_uchar() [L205] input_141 = __VERIFIER_nondet_uchar() [L206] input_147 = __VERIFIER_nondet_uchar() [L207] input_153 = __VERIFIER_nondet_uchar() [L208] input_299 = __VERIFIER_nondet_uchar() [L209] EXPR input_299 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L209] input_299 = input_299 & mask_SORT_1 [L210] input_303 = __VERIFIER_nondet_uchar() [L211] EXPR input_303 & mask_SORT_1 VAL [input_299=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L211] input_303 = input_303 & mask_SORT_1 [L212] input_306 = __VERIFIER_nondet_uchar() [L213] EXPR input_306 & mask_SORT_1 VAL [input_299=0, input_303=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L213] input_306 = input_306 & mask_SORT_1 [L214] input_307 = __VERIFIER_nondet_uchar() [L215] EXPR input_307 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L215] input_307 = input_307 & mask_SORT_1 [L216] input_308 = __VERIFIER_nondet_uchar() [L217] EXPR input_308 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L217] input_308 = input_308 & mask_SORT_1 [L218] input_309 = __VERIFIER_nondet_uchar() [L219] EXPR input_309 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L219] input_309 = input_309 & mask_SORT_1 [L220] input_310 = __VERIFIER_nondet_uchar() [L221] EXPR input_310 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L221] input_310 = input_310 & mask_SORT_1 [L222] input_311 = __VERIFIER_nondet_uchar() [L223] EXPR input_311 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L223] input_311 = input_311 & mask_SORT_1 [L224] input_312 = __VERIFIER_nondet_uchar() [L225] EXPR input_312 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L225] input_312 = input_312 & mask_SORT_1 [L226] input_313 = __VERIFIER_nondet_uchar() [L227] EXPR input_313 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L227] input_313 = input_313 & mask_SORT_1 [L228] input_325 = __VERIFIER_nondet_uchar() [L229] EXPR input_325 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L229] input_325 = input_325 & mask_SORT_1 [L230] input_331 = __VERIFIER_nondet_uchar() [L231] EXPR input_331 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L231] input_331 = input_331 & mask_SORT_1 [L232] input_337 = __VERIFIER_nondet_uchar() [L233] EXPR input_337 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L233] input_337 = input_337 & mask_SORT_1 [L234] input_343 = __VERIFIER_nondet_uchar() [L235] EXPR input_343 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L235] input_343 = input_343 & mask_SORT_1 [L236] input_349 = __VERIFIER_nondet_uchar() [L237] EXPR input_349 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L237] input_349 = input_349 & mask_SORT_1 [L238] input_364 = __VERIFIER_nondet_uchar() [L239] input_382 = __VERIFIER_nondet_uchar() [L240] input_400 = __VERIFIER_nondet_uchar() [L241] input_418 = __VERIFIER_nondet_uchar() [L242] input_436 = __VERIFIER_nondet_uchar() [L245] SORT_1 var_83_arg_0 = state_37; [L246] SORT_4 var_83_arg_1 = var_81; [L247] SORT_4 var_83_arg_2 = var_82; [L248] SORT_4 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L249] SORT_1 var_84_arg_0 = state_47; [L250] SORT_4 var_84_arg_1 = var_81; [L251] SORT_4 var_84_arg_2 = var_82; [L252] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L253] SORT_4 var_85_arg_0 = var_83; [L254] SORT_4 var_85_arg_1 = var_84; [L255] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L256] SORT_1 var_86_arg_0 = state_57; [L257] SORT_4 var_86_arg_1 = var_81; [L258] SORT_4 var_86_arg_2 = var_82; [L259] SORT_4 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L260] SORT_4 var_87_arg_0 = var_85; [L261] SORT_4 var_87_arg_1 = var_86; [L262] SORT_4 var_87 = var_87_arg_0 + var_87_arg_1; [L263] SORT_1 var_88_arg_0 = state_67; [L264] SORT_4 var_88_arg_1 = var_81; [L265] SORT_4 var_88_arg_2 = var_82; [L266] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L267] SORT_4 var_89_arg_0 = var_87; [L268] SORT_4 var_89_arg_1 = var_88; [L269] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L270] SORT_1 var_90_arg_0 = state_77; [L271] SORT_4 var_90_arg_1 = var_81; [L272] SORT_4 var_90_arg_2 = var_82; [L273] SORT_4 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L274] SORT_4 var_91_arg_0 = var_89; [L275] SORT_4 var_91_arg_1 = var_90; [L276] SORT_4 var_91 = var_91_arg_0 + var_91_arg_1; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_91=0, var_95=1, var_97=0] [L277] EXPR var_91 & mask_SORT_4 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L277] var_91 = var_91 & mask_SORT_4 [L278] SORT_4 var_92_arg_0 = var_91; [L279] SORT_4 var_92_arg_1 = var_81; [L280] SORT_1 var_92 = var_92_arg_0 <= var_92_arg_1; [L281] SORT_1 var_93_arg_0 = ~state_79; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_92=1, var_93_arg_0=-1, var_95=1, var_97=0] [L282] EXPR var_93_arg_0 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_92=1, var_95=1, var_97=0] [L282] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L283] SORT_1 var_93_arg_1 = ~var_92; VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_93_arg_0=1, var_93_arg_1=-2, var_95=1, var_97=0] [L284] EXPR var_93_arg_1 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_93_arg_0=1, var_95=1, var_97=0] [L284] var_93_arg_1 = var_93_arg_1 & mask_SORT_1 [L285] EXPR var_93_arg_0 & var_93_arg_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L285] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L286] EXPR var_93 & mask_SORT_1 VAL [input_299=0, input_303=0, input_306=0, input_307=0, input_308=0, input_309=0, input_310=0, input_311=0, input_312=0, input_313=0, input_325=0, input_331=0, input_337=0, input_343=0, input_349=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_100=5, var_110=0, var_203=2, var_235=3, var_267=4, var_446=4, var_456=2, var_458=3, var_81=1, var_82=0, var_95=1, var_97=0] [L286] var_93 = var_93 & mask_SORT_1 [L287] SORT_1 bad_94_arg_0 = var_93; [L288] CALL __VERIFIER_assert(!(bad_94_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2990 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13144 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13144 mSDsluCounter, 77225 SdHoareTripleChecker+Invalid, 9.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53383 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25872 IncrementalHoareTripleChecker+Invalid, 25875 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23842 mSDtfsCounter, 25872 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3077occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 2783 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 979 NumberOfCodeBlocks, 979 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 2481 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 16:34:25,796 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.anderson.5.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 16:34:27,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 16:34:27,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-03 16:34:27,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 16:34:27,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 16:34:27,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 16:34:27,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 16:34:27,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 16:34:27,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 16:34:27,727 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 16:34:27,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 16:34:27,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 16:34:27,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 16:34:27,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 16:34:27,728 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 16:34:27,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 16:34:27,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 16:34:27,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 16:34:27,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 16:34:27,729 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 16:34:27,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 16:34:27,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 16:34:27,729 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 -> db98342e8fcf3c48f986d9a989c5174b9020582fb6a0c4f0c744341daa403d23 [2025-03-03 16:34:27,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 16:34:27,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 16:34:27,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 16:34:27,965 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 16:34:27,965 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 16:34:27,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2025-03-03 16:34:29,125 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13928a411/824c99e99ddf4ffbb7b8becec2a68db4/FLAGb7d66dd4b [2025-03-03 16:34:29,463 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 16:34:29,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c [2025-03-03 16:34:29,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13928a411/824c99e99ddf4ffbb7b8becec2a68db4/FLAGb7d66dd4b [2025-03-03 16:34:29,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13928a411/824c99e99ddf4ffbb7b8becec2a68db4 [2025-03-03 16:34:29,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 16:34:29,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 16:34:29,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 16:34:29,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 16:34:29,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 16:34:29,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:34:29" (1/1) ... [2025-03-03 16:34:29,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6b22ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:29, skipping insertion in model container [2025-03-03 16:34:29,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:34:29" (1/1) ... [2025-03-03 16:34:29,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 16:34:29,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2025-03-03 16:34:30,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 16:34:30,173 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 16:34:30,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.5.prop1-func-interl.c[1175,1188] [2025-03-03 16:34:30,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 16:34:30,365 INFO L204 MainTranslator]: Completed translation [2025-03-03 16:34:30,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30 WrapperNode [2025-03-03 16:34:30,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 16:34:30,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 16:34:30,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 16:34:30,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 16:34:30,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,485 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2630 [2025-03-03 16:34:30,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 16:34:30,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 16:34:30,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 16:34:30,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 16:34:30,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,511 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,583 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 16:34:30,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,631 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 16:34:30,679 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 16:34:30,680 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 16:34:30,680 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 16:34:30,680 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (1/1) ... [2025-03-03 16:34:30,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 16:34:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 16:34:30,706 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 16:34:30,712 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 16:34:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 16:34:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 16:34:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 16:34:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 16:34:31,089 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 16:34:31,091 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 16:34:36,789 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-03-03 16:34:36,789 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 16:34:36,795 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 16:34:36,796 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 16:34:36,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 04:34:36 BoogieIcfgContainer [2025-03-03 16:34:36,796 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 16:34:36,798 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 16:34:36,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 16:34:36,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 16:34:36,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:34:29" (1/3) ... [2025-03-03 16:34:36,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e1950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:34:36, skipping insertion in model container [2025-03-03 16:34:36,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:34:30" (2/3) ... [2025-03-03 16:34:36,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e1950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:34:36, skipping insertion in model container [2025-03-03 16:34:36,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 04:34:36" (3/3) ... [2025-03-03 16:34:36,804 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c [2025-03-03 16:34:36,813 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 16:34:36,814 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.anderson.5.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 16:34:36,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 16:34:36,873 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;@71a76e07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 16:34:36,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 16:34:36,876 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 16:34:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-03 16:34:36,880 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:36,880 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-03 16:34:36,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:36,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-03-03 16:34:36,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 16:34:36,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802030336] [2025-03-03 16:34:36,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:36,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 16:34:36,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 16:34:36,896 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 16:34:36,898 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 16:34:37,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-03 16:34:37,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-03 16:34:37,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:37,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:37,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-03-03 16:34:37,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 16:34:37,894 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 16:34:37,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 16:34:37,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 16:34:37,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802030336] [2025-03-03 16:34:37,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802030336] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 16:34:37,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 16:34:37,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 16:34:37,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312901633] [2025-03-03 16:34:37,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 16:34:37,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 16:34:37,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 16:34:37,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 16:34:37,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 16:34:37,917 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 16:34:39,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-03 16:34:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 16:34:39,821 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-03-03 16:34:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 16:34:39,825 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 16:34:39,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 16:34:39,830 INFO L225 Difference]: With dead ends: 18 [2025-03-03 16:34:39,830 INFO L226 Difference]: Without dead ends: 10 [2025-03-03 16:34:39,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 16:34:39,835 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2025-03-03 16:34:39,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-03 16:34:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-03 16:34:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-03 16:34:39,852 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 16:34:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-03-03 16:34:39,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-03-03 16:34:39,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 16:34:39,856 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-03-03 16:34:39,856 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 16:34:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-03-03 16:34:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-03 16:34:39,856 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 16:34:39,857 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-03 16:34:39,865 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 16:34:40,061 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 16:34:40,061 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 16:34:40,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 16:34:40,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-03-03 16:34:40,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 16:34:40,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853846582] [2025-03-03 16:34:40,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 16:34:40,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 16:34:40,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 16:34:40,065 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 16:34:40,067 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 16:34:40,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-03 16:34:41,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-03 16:34:41,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 16:34:41,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 16:34:41,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-03-03 16:34:41,181 INFO L279 TraceCheckSpWp]: Computing forward predicates...