./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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.lann.3.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 b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:01:01,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:01:01,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-16 22:01:01,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:01:01,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:01:01,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:01:01,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:01:01,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:01:01,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:01:01,582 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:01:01,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:01:01,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:01:01,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:01:01,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:01:01,584 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:01:01,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:01:01,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:01:01,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 22:01:01,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:01:01,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:01:01,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:01:01,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:01:01,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:01:01,586 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 -> b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 [2025-03-16 22:01:01,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:01:01,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:01:01,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:01:01,849 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:01:01,849 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:01:01,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2025-03-16 22:01:03,020 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bdceb65/062a0e2759fc4fc4a1dc1cf1c2ad8907/FLAGc2d715487 [2025-03-16 22:01:03,323 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:01:03,326 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2025-03-16 22:01:03,342 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bdceb65/062a0e2759fc4fc4a1dc1cf1c2ad8907/FLAGc2d715487 [2025-03-16 22:01:03,577 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bdceb65/062a0e2759fc4fc4a1dc1cf1c2ad8907 [2025-03-16 22:01:03,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:01:03,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:01:03,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:03,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:01:03,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:01:03,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:03" (1/1) ... [2025-03-16 22:01:03,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7343d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:03, skipping insertion in model container [2025-03-16 22:01:03,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:03" (1/1) ... [2025-03-16 22:01:03,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:01:03,779 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.lann.3.prop1-func-interl.c[1171,1184] [2025-03-16 22:01:04,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:04,109 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:01:04,116 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.lann.3.prop1-func-interl.c[1171,1184] [2025-03-16 22:01:04,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:04,286 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:01:04,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04 WrapperNode [2025-03-16 22:01:04,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:04,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:01:04,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:01:04,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:01:04,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:04,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:04,970 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8478 [2025-03-16 22:01:04,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:01:04,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:01:04,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:01:04,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:01:05,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,172 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,295 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]. [2025-03-16 22:01:05,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,476 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:01:05,619 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:01:05,619 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:01:05,619 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:01:05,620 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (1/1) ... [2025-03-16 22:01:05,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:01:05,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:01:05,642 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) [2025-03-16 22:01:05,644 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 [2025-03-16 22:01:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:01:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 22:01:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:01:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:01:06,006 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:01:06,008 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:01:14,118 INFO L? ?]: Removed 4617 outVars from TransFormulas that were not future-live. [2025-03-16 22:01:14,118 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:01:14,296 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:01:14,296 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:01:14,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:01:14 BoogieIcfgContainer [2025-03-16 22:01:14,297 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:01:14,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:01:14,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:01:14,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:01:14,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:01:03" (1/3) ... [2025-03-16 22:01:14,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3738e76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:01:14, skipping insertion in model container [2025-03-16 22:01:14,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:04" (2/3) ... [2025-03-16 22:01:14,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3738e76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:01:14, skipping insertion in model container [2025-03-16 22:01:14,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:01:14" (3/3) ... [2025-03-16 22:01:14,304 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.3.prop1-func-interl.c [2025-03-16 22:01:14,315 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:01:14,317 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.3.prop1-func-interl.c that has 1 procedures, 3060 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:01:14,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:01:14,408 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;@7ad27d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:01:14,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:01:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 3060 states, 3058 states have (on average 1.5) internal successors, (4587), 3059 states have internal predecessors, (4587), 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) [2025-03-16 22:01:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-16 22:01:14,430 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:14,430 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, 1, 1, 1, 1, 1] [2025-03-16 22:01:14,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:14,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:14,436 INFO L85 PathProgramCache]: Analyzing trace with hash -291235877, now seen corresponding path program 1 times [2025-03-16 22:01:14,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:14,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360652026] [2025-03-16 22:01:14,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:14,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:14,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-16 22:01:14,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-16 22:01:14,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:14,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:15,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:15,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360652026] [2025-03-16 22:01:15,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360652026] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:15,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:15,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:15,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529604059] [2025-03-16 22:01:15,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:15,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:15,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:15,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:15,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:15,277 INFO L87 Difference]: Start difference. First operand has 3060 states, 3058 states have (on average 1.5) internal successors, (4587), 3059 states have internal predecessors, (4587), 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 32.5) internal successors, (130), 4 states have internal predecessors, (130), 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) [2025-03-16 22:01:16,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:16,752 INFO L93 Difference]: Finished difference Result 5987 states and 8977 transitions. [2025-03-16 22:01:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:16,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 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 130 [2025-03-16 22:01:16,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:16,782 INFO L225 Difference]: With dead ends: 5987 [2025-03-16 22:01:16,783 INFO L226 Difference]: Without dead ends: 3060 [2025-03-16 22:01:16,790 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 [2025-03-16 22:01:16,792 INFO L435 NwaCegarLoop]: 3819 mSDtfsCounter, 0 mSDsluCounter, 7633 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11452 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:16,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11452 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-16 22:01:16,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2025-03-16 22:01:16,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3060. [2025-03-16 22:01:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 3059 states have (on average 1.499182739457339) internal successors, (4586), 3059 states have internal predecessors, (4586), 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) [2025-03-16 22:01:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4586 transitions. [2025-03-16 22:01:16,894 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4586 transitions. Word has length 130 [2025-03-16 22:01:16,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:16,896 INFO L471 AbstractCegarLoop]: Abstraction has 3060 states and 4586 transitions. [2025-03-16 22:01:16,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 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) [2025-03-16 22:01:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4586 transitions. [2025-03-16 22:01:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-16 22:01:16,899 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:16,899 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, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:16,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 22:01:16,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:16,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:16,900 INFO L85 PathProgramCache]: Analyzing trace with hash -433693552, now seen corresponding path program 1 times [2025-03-16 22:01:16,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:16,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542849237] [2025-03-16 22:01:16,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:16,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:16,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-16 22:01:16,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-16 22:01:16,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:16,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:17,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:17,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542849237] [2025-03-16 22:01:17,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542849237] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:17,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:17,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:17,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546457725] [2025-03-16 22:01:17,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:17,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:17,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:17,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:17,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:17,152 INFO L87 Difference]: Start difference. First operand 3060 states and 4586 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2025-03-16 22:01:18,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:18,267 INFO L93 Difference]: Finished difference Result 5989 states and 8976 transitions. [2025-03-16 22:01:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:18,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 131 [2025-03-16 22:01:18,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:18,277 INFO L225 Difference]: With dead ends: 5989 [2025-03-16 22:01:18,278 INFO L226 Difference]: Without dead ends: 3062 [2025-03-16 22:01:18,281 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 [2025-03-16 22:01:18,282 INFO L435 NwaCegarLoop]: 3819 mSDtfsCounter, 0 mSDsluCounter, 7630 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11449 SdHoareTripleChecker+Invalid, 2302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:18,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11449 Invalid, 2302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 22:01:18,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2025-03-16 22:01:18,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 3062. [2025-03-16 22:01:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3061 states have (on average 1.4988565828160731) internal successors, (4588), 3061 states have internal predecessors, (4588), 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) [2025-03-16 22:01:18,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4588 transitions. [2025-03-16 22:01:18,329 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4588 transitions. Word has length 131 [2025-03-16 22:01:18,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:18,330 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4588 transitions. [2025-03-16 22:01:18,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2025-03-16 22:01:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4588 transitions. [2025-03-16 22:01:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-16 22:01:18,337 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:18,337 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:18,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 22:01:18,337 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:18,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1371915894, now seen corresponding path program 1 times [2025-03-16 22:01:18,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:18,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813954607] [2025-03-16 22:01:18,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:18,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:18,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-16 22:01:18,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-16 22:01:18,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:18,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:18,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:18,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813954607] [2025-03-16 22:01:18,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813954607] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:18,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:18,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:18,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165468704] [2025-03-16 22:01:18,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:18,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:18,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:18,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:18,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:18,643 INFO L87 Difference]: Start difference. First operand 3062 states and 4588 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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) [2025-03-16 22:01:19,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:19,705 INFO L93 Difference]: Finished difference Result 5993 states and 8980 transitions. [2025-03-16 22:01:19,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:19,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 132 [2025-03-16 22:01:19,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:19,715 INFO L225 Difference]: With dead ends: 5993 [2025-03-16 22:01:19,715 INFO L226 Difference]: Without dead ends: 3064 [2025-03-16 22:01:19,718 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 [2025-03-16 22:01:19,719 INFO L435 NwaCegarLoop]: 3819 mSDtfsCounter, 0 mSDsluCounter, 7625 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11444 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:19,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11444 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2307 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 22:01:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2025-03-16 22:01:19,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 3064. [2025-03-16 22:01:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3064 states, 3063 states have (on average 1.4985308521057787) internal successors, (4590), 3063 states have internal predecessors, (4590), 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) [2025-03-16 22:01:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 4590 transitions. [2025-03-16 22:01:19,758 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 4590 transitions. Word has length 132 [2025-03-16 22:01:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:19,759 INFO L471 AbstractCegarLoop]: Abstraction has 3064 states and 4590 transitions. [2025-03-16 22:01:19,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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) [2025-03-16 22:01:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 4590 transitions. [2025-03-16 22:01:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-16 22:01:19,760 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:19,760 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:19,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 22:01:19,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:19,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:19,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1468087157, now seen corresponding path program 1 times [2025-03-16 22:01:19,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:19,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415419904] [2025-03-16 22:01:19,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:19,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:19,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-16 22:01:19,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-16 22:01:19,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:19,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:19,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:19,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415419904] [2025-03-16 22:01:19,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415419904] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:19,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:19,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:19,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765078641] [2025-03-16 22:01:19,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:19,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:19,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:19,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:19,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:19,950 INFO L87 Difference]: Start difference. First operand 3064 states and 4590 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2025-03-16 22:01:20,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:20,928 INFO L93 Difference]: Finished difference Result 6003 states and 8992 transitions. [2025-03-16 22:01:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:20,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 133 [2025-03-16 22:01:20,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:20,937 INFO L225 Difference]: With dead ends: 6003 [2025-03-16 22:01:20,937 INFO L226 Difference]: Without dead ends: 3072 [2025-03-16 22:01:20,940 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 [2025-03-16 22:01:20,942 INFO L435 NwaCegarLoop]: 3819 mSDtfsCounter, 3 mSDsluCounter, 7625 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11444 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:20,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11444 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2307 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-16 22:01:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2025-03-16 22:01:20,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3068. [2025-03-16 22:01:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3068 states, 3067 states have (on average 1.4985327681773721) internal successors, (4596), 3067 states have internal predecessors, (4596), 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) [2025-03-16 22:01:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 4596 transitions. [2025-03-16 22:01:20,987 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 4596 transitions. Word has length 133 [2025-03-16 22:01:20,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:20,988 INFO L471 AbstractCegarLoop]: Abstraction has 3068 states and 4596 transitions. [2025-03-16 22:01:20,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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) [2025-03-16 22:01:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 4596 transitions. [2025-03-16 22:01:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-16 22:01:20,989 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:20,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:20,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 22:01:20,989 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:20,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:20,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1034136047, now seen corresponding path program 1 times [2025-03-16 22:01:20,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:20,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463212490] [2025-03-16 22:01:20,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:20,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:21,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-16 22:01:21,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-16 22:01:21,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:21,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:21,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:21,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463212490] [2025-03-16 22:01:21,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463212490] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:21,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:21,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 22:01:21,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849287891] [2025-03-16 22:01:21,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:21,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 22:01:21,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:21,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 22:01:21,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:01:21,299 INFO L87 Difference]: Start difference. First operand 3068 states and 4596 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 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) [2025-03-16 22:01:24,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:24,474 INFO L93 Difference]: Finished difference Result 12892 states and 19314 transitions. [2025-03-16 22:01:24,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 22:01:24,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 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 134 [2025-03-16 22:01:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:24,492 INFO L225 Difference]: With dead ends: 12892 [2025-03-16 22:01:24,492 INFO L226 Difference]: Without dead ends: 5519 [2025-03-16 22:01:24,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:24,510 INFO L435 NwaCegarLoop]: 3627 mSDtfsCounter, 12778 mSDsluCounter, 13459 mSDsCounter, 0 mSdLazyCounter, 5784 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12778 SdHoareTripleChecker+Valid, 17086 SdHoareTripleChecker+Invalid, 6190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 5784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:24,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12778 Valid, 17086 Invalid, 6190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 5784 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-16 22:01:24,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5519 states. [2025-03-16 22:01:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5519 to 3166. [2025-03-16 22:01:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 3165 states have (on average 1.49826224328594) internal successors, (4742), 3165 states have internal predecessors, (4742), 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) [2025-03-16 22:01:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4742 transitions. [2025-03-16 22:01:24,573 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4742 transitions. Word has length 134 [2025-03-16 22:01:24,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:24,574 INFO L471 AbstractCegarLoop]: Abstraction has 3166 states and 4742 transitions. [2025-03-16 22:01:24,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 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) [2025-03-16 22:01:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4742 transitions. [2025-03-16 22:01:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-16 22:01:24,575 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:24,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:24,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 22:01:24,575 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:24,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:24,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2112286335, now seen corresponding path program 1 times [2025-03-16 22:01:24,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:24,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504995440] [2025-03-16 22:01:24,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:24,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-16 22:01:24,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-16 22:01:24,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:24,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:25,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:25,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504995440] [2025-03-16 22:01:25,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504995440] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:25,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:25,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-16 22:01:25,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249558066] [2025-03-16 22:01:25,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:25,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-16 22:01:25,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:25,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-16 22:01:25,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-16 22:01:25,885 INFO L87 Difference]: Start difference. First operand 3166 states and 4742 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 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) [2025-03-16 22:01:30,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:30,233 INFO L93 Difference]: Finished difference Result 8546 states and 12800 transitions. [2025-03-16 22:01:30,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 22:01:30,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 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 135 [2025-03-16 22:01:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:30,245 INFO L225 Difference]: With dead ends: 8546 [2025-03-16 22:01:30,246 INFO L226 Difference]: Without dead ends: 5611 [2025-03-16 22:01:30,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:30,249 INFO L435 NwaCegarLoop]: 3042 mSDtfsCounter, 3828 mSDsluCounter, 14708 mSDsCounter, 0 mSdLazyCounter, 8922 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 17750 SdHoareTripleChecker+Invalid, 8946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 8922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:30,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 17750 Invalid, 8946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 8922 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2025-03-16 22:01:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5611 states. [2025-03-16 22:01:30,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5611 to 3169. [2025-03-16 22:01:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3169 states, 3168 states have (on average 1.4981060606060606) internal successors, (4746), 3168 states have internal predecessors, (4746), 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) [2025-03-16 22:01:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 3169 states and 4746 transitions. [2025-03-16 22:01:30,314 INFO L78 Accepts]: Start accepts. Automaton has 3169 states and 4746 transitions. Word has length 135 [2025-03-16 22:01:30,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:30,314 INFO L471 AbstractCegarLoop]: Abstraction has 3169 states and 4746 transitions. [2025-03-16 22:01:30,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 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) [2025-03-16 22:01:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 4746 transitions. [2025-03-16 22:01:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-16 22:01:30,316 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:30,316 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:30,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-16 22:01:30,317 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:30,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1929428063, now seen corresponding path program 1 times [2025-03-16 22:01:30,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:30,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827986372] [2025-03-16 22:01:30,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:30,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:30,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-16 22:01:30,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-16 22:01:30,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:30,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:30,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:30,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827986372] [2025-03-16 22:01:30,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827986372] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:30,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:30,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:30,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091882041] [2025-03-16 22:01:30,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:30,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 22:01:30,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:30,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 22:01:30,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:01:30,551 INFO L87 Difference]: Start difference. First operand 3169 states and 4746 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 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) [2025-03-16 22:01:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:33,703 INFO L93 Difference]: Finished difference Result 8924 states and 13367 transitions. [2025-03-16 22:01:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 22:01:33,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 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 136 [2025-03-16 22:01:33,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:33,716 INFO L225 Difference]: With dead ends: 8924 [2025-03-16 22:01:33,716 INFO L226 Difference]: Without dead ends: 5989 [2025-03-16 22:01:33,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:01:33,718 INFO L435 NwaCegarLoop]: 2809 mSDtfsCounter, 4442 mSDsluCounter, 8304 mSDsCounter, 0 mSdLazyCounter, 7024 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 11113 SdHoareTripleChecker+Invalid, 7025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:33,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4442 Valid, 11113 Invalid, 7025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7024 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-16 22:01:33,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5989 states. [2025-03-16 22:01:33,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5989 to 3177. [2025-03-16 22:01:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3176 states have (on average 1.4974811083123425) internal successors, (4756), 3176 states have internal predecessors, (4756), 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) [2025-03-16 22:01:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4756 transitions. [2025-03-16 22:01:33,761 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4756 transitions. Word has length 136 [2025-03-16 22:01:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:33,762 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 4756 transitions. [2025-03-16 22:01:33,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 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) [2025-03-16 22:01:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4756 transitions. [2025-03-16 22:01:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-16 22:01:33,763 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:33,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:33,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-16 22:01:33,763 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:33,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:33,764 INFO L85 PathProgramCache]: Analyzing trace with hash 84565111, now seen corresponding path program 1 times [2025-03-16 22:01:33,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:33,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707962571] [2025-03-16 22:01:33,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:33,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:33,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-16 22:01:33,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-16 22:01:33,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:33,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:34,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:34,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707962571] [2025-03-16 22:01:34,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707962571] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:34,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:34,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 22:01:34,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974146929] [2025-03-16 22:01:34,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:34,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 22:01:34,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:34,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 22:01:34,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:01:34,063 INFO L87 Difference]: Start difference. First operand 3177 states and 4756 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 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) [2025-03-16 22:01:36,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:36,532 INFO L93 Difference]: Finished difference Result 6127 states and 9174 transitions. [2025-03-16 22:01:36,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 22:01:36,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 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 137 [2025-03-16 22:01:36,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:36,537 INFO L225 Difference]: With dead ends: 6127 [2025-03-16 22:01:36,537 INFO L226 Difference]: Without dead ends: 3192 [2025-03-16 22:01:36,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:36,540 INFO L435 NwaCegarLoop]: 2798 mSDtfsCounter, 4476 mSDsluCounter, 8382 mSDsCounter, 0 mSdLazyCounter, 7155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4476 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 7156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:36,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4476 Valid, 11180 Invalid, 7156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7155 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-03-16 22:01:36,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3192 states. [2025-03-16 22:01:36,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 3190. [2025-03-16 22:01:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3190 states, 3189 states have (on average 1.4960802759485732) internal successors, (4771), 3189 states have internal predecessors, (4771), 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) [2025-03-16 22:01:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4771 transitions. [2025-03-16 22:01:36,575 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4771 transitions. Word has length 137 [2025-03-16 22:01:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:36,576 INFO L471 AbstractCegarLoop]: Abstraction has 3190 states and 4771 transitions. [2025-03-16 22:01:36,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 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) [2025-03-16 22:01:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4771 transitions. [2025-03-16 22:01:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-16 22:01:36,580 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:36,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:36,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-16 22:01:36,582 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:36,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash -993350710, now seen corresponding path program 1 times [2025-03-16 22:01:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:36,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431837400] [2025-03-16 22:01:36,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:36,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:36,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-16 22:01:36,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-16 22:01:36,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:36,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:37,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:37,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:37,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431837400] [2025-03-16 22:01:37,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431837400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:37,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:37,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-16 22:01:37,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858386848] [2025-03-16 22:01:37,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:37,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-16 22:01:37,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:37,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-16 22:01:37,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:37,818 INFO L87 Difference]: Start difference. First operand 3190 states and 4771 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 7 states have internal predecessors, (137), 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) [2025-03-16 22:01:41,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:41,821 INFO L93 Difference]: Finished difference Result 8570 states and 12822 transitions. [2025-03-16 22:01:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 22:01:41,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 7 states have internal predecessors, (137), 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 137 [2025-03-16 22:01:41,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:41,828 INFO L225 Difference]: With dead ends: 8570 [2025-03-16 22:01:41,828 INFO L226 Difference]: Without dead ends: 5622 [2025-03-16 22:01:41,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-16 22:01:41,830 INFO L435 NwaCegarLoop]: 3045 mSDtfsCounter, 7485 mSDsluCounter, 15017 mSDsCounter, 0 mSdLazyCounter, 8728 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7485 SdHoareTripleChecker+Valid, 18062 SdHoareTripleChecker+Invalid, 8753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 8728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:41,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7485 Valid, 18062 Invalid, 8753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 8728 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2025-03-16 22:01:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5622 states. [2025-03-16 22:01:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5622 to 3190. [2025-03-16 22:01:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3190 states, 3189 states have (on average 1.495766698024459) internal successors, (4770), 3189 states have internal predecessors, (4770), 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) [2025-03-16 22:01:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4770 transitions. [2025-03-16 22:01:41,866 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4770 transitions. Word has length 137 [2025-03-16 22:01:41,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:41,866 INFO L471 AbstractCegarLoop]: Abstraction has 3190 states and 4770 transitions. [2025-03-16 22:01:41,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.125) internal successors, (137), 7 states have internal predecessors, (137), 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) [2025-03-16 22:01:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4770 transitions. [2025-03-16 22:01:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-16 22:01:41,867 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:41,868 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:41,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-16 22:01:41,868 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:41,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:41,868 INFO L85 PathProgramCache]: Analyzing trace with hash 882267733, now seen corresponding path program 1 times [2025-03-16 22:01:41,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:41,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408032561] [2025-03-16 22:01:41,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:41,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:41,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-16 22:01:41,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-16 22:01:41,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:41,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:01:41,927 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 22:01:41,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-16 22:01:41,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-16 22:01:41,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:41,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:01:42,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 22:01:42,051 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 22:01:42,052 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 22:01:42,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-16 22:01:42,056 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:42,134 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-16 22:01:42,151 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 22:01:42,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:01:42 BoogieIcfgContainer [2025-03-16 22:01:42,155 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 22:01:42,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 22:01:42,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 22:01:42,155 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 22:01:42,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:01:14" (3/4) ... [2025-03-16 22:01:42,157 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 22:01:42,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 22:01:42,159 INFO L158 Benchmark]: Toolchain (without parser) took 38578.77ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 102.3MB in the beginning and 345.9MB in the end (delta: -243.6MB). Peak memory consumption was 371.0MB. Max. memory is 16.1GB. [2025-03-16 22:01:42,159 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:01:42,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.10ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 53.8MB in the end (delta: 48.6MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2025-03-16 22:01:42,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 682.67ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 53.8MB in the beginning and 84.0MB in the end (delta: -30.2MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. [2025-03-16 22:01:42,160 INFO L158 Benchmark]: Boogie Preprocessor took 647.33ms. Allocated memory was 335.5MB in the beginning and 352.3MB in the end (delta: 16.8MB). Free memory was 84.0MB in the beginning and 118.8MB in the end (delta: -34.8MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. [2025-03-16 22:01:42,160 INFO L158 Benchmark]: IcfgBuilder took 8678.19ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 118.8MB in the beginning and 338.6MB in the end (delta: -219.8MB). Peak memory consumption was 414.8MB. Max. memory is 16.1GB. [2025-03-16 22:01:42,160 INFO L158 Benchmark]: TraceAbstraction took 27856.36ms. Allocated memory was 704.6MB in the beginning and 755.0MB in the end (delta: 50.3MB). Free memory was 338.6MB in the beginning and 345.9MB in the end (delta: -7.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2025-03-16 22:01:42,161 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 755.0MB. Free memory was 345.9MB in the beginning and 345.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:01:42,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.10ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 53.8MB in the end (delta: 48.6MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 682.67ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 53.8MB in the beginning and 84.0MB in the end (delta: -30.2MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 647.33ms. Allocated memory was 335.5MB in the beginning and 352.3MB in the end (delta: 16.8MB). Free memory was 84.0MB in the beginning and 118.8MB in the end (delta: -34.8MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. * IcfgBuilder took 8678.19ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 118.8MB in the beginning and 338.6MB in the end (delta: -219.8MB). Peak memory consumption was 414.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27856.36ms. Allocated memory was 704.6MB in the beginning and 755.0MB in the end (delta: 50.3MB). Free memory was 338.6MB in the beginning and 345.9MB in the end (delta: -7.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 755.0MB. Free memory was 345.9MB in the beginning and 345.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 296, overapproximation of bitwiseAnd at line 294, overapproximation of bitwiseAnd at line 264. 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_30 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_86 = 2; [L43] const SORT_2 var_88 = 1; [L44] const SORT_2 var_90 = 0; [L45] const SORT_2 var_137 = 255; [L46] const SORT_2 var_144 = 24; [L47] const SORT_2 var_151 = 14; [L48] const SORT_2 var_158 = 6; [L49] const SORT_3 var_315 = 0; [L50] const SORT_4 var_317 = 24; [L51] const SORT_4 var_339 = 14; [L52] const SORT_4 var_361 = 6; [L54] SORT_1 input_85; [L55] SORT_1 input_87; [L56] SORT_1 input_89; [L57] SORT_1 input_91; [L58] SORT_1 input_97; [L59] SORT_1 input_100; [L60] SORT_1 input_101; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_109; [L64] SORT_1 input_112; [L65] SORT_1 input_113; [L66] SORT_1 input_114; [L67] SORT_1 input_115; [L68] SORT_1 input_121; [L69] SORT_1 input_124; [L70] SORT_1 input_125; [L71] SORT_1 input_126; [L72] SORT_1 input_127; [L73] SORT_1 input_133; [L74] SORT_1 input_136; [L75] SORT_1 input_143; [L76] SORT_1 input_150; [L77] SORT_1 input_157; [L78] SORT_1 input_164; [L79] SORT_1 input_172; [L80] SORT_1 input_174; [L81] SORT_1 input_186; [L82] SORT_1 input_194; [L83] SORT_1 input_196; [L84] SORT_1 input_208; [L85] SORT_1 input_216; [L86] SORT_1 input_218; [L87] SORT_1 input_230; [L88] SORT_1 input_238; [L89] SORT_1 input_240; [L90] SORT_1 input_252; [L91] SORT_1 input_267; [L92] SORT_1 input_282; [L93] SORT_1 input_297; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L95] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L96] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L97] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L98] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L99] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L100] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L101] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L102] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L103] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L104] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L105] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L106] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L107] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L108] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L109] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L110] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L111] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L112] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L113] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L114] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L115] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L116] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L117] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L118] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L119] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L120] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L121] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L122] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L123] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L124] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L125] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L126] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L127] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_2 init_7_arg_1 = var_5; [L130] state_6 = init_7_arg_1 [L131] SORT_2 init_9_arg_1 = var_5; [L132] state_8 = init_9_arg_1 [L133] SORT_2 init_11_arg_1 = var_5; [L134] state_10 = init_11_arg_1 [L135] SORT_2 init_13_arg_1 = var_5; [L136] state_12 = init_13_arg_1 [L137] SORT_2 init_15_arg_1 = var_5; [L138] state_14 = init_15_arg_1 [L139] SORT_2 init_17_arg_1 = var_5; [L140] state_16 = init_17_arg_1 [L141] SORT_2 init_19_arg_1 = var_5; [L142] state_18 = init_19_arg_1 [L143] SORT_2 init_21_arg_1 = var_5; [L144] state_20 = init_21_arg_1 [L145] SORT_2 init_23_arg_1 = var_5; [L146] state_22 = init_23_arg_1 [L147] SORT_2 init_25_arg_1 = var_5; [L148] state_24 = init_25_arg_1 [L149] SORT_2 init_27_arg_1 = var_5; [L150] state_26 = init_27_arg_1 [L151] SORT_2 init_29_arg_1 = var_5; [L152] state_28 = init_29_arg_1 [L153] SORT_1 init_32_arg_1 = var_30; [L154] state_31 = init_32_arg_1 [L155] SORT_1 init_34_arg_1 = var_30; [L156] state_33 = init_34_arg_1 [L157] SORT_1 init_36_arg_1 = var_30; [L158] state_35 = init_36_arg_1 [L159] SORT_1 init_38_arg_1 = var_30; [L160] state_37 = init_38_arg_1 [L161] SORT_1 init_40_arg_1 = var_30; [L162] state_39 = init_40_arg_1 [L163] SORT_1 init_42_arg_1 = var_30; [L164] state_41 = init_42_arg_1 [L165] SORT_1 init_44_arg_1 = var_30; [L166] state_43 = init_44_arg_1 [L167] SORT_1 init_46_arg_1 = var_30; [L168] state_45 = init_46_arg_1 [L169] SORT_1 init_48_arg_1 = var_30; [L170] state_47 = init_48_arg_1 [L171] SORT_1 init_50_arg_1 = var_30; [L172] state_49 = init_50_arg_1 [L173] SORT_1 init_52_arg_1 = var_30; [L174] state_51 = init_52_arg_1 [L175] SORT_1 init_54_arg_1 = var_30; [L176] state_53 = init_54_arg_1 [L177] SORT_1 init_56_arg_1 = var_30; [L178] state_55 = init_56_arg_1 [L179] SORT_1 init_58_arg_1 = var_30; [L180] state_57 = init_58_arg_1 [L181] SORT_1 init_60_arg_1 = var_30; [L182] state_59 = init_60_arg_1 [L183] SORT_1 init_62_arg_1 = var_30; [L184] state_61 = init_62_arg_1 [L185] SORT_1 init_64_arg_1 = var_30; [L186] state_63 = init_64_arg_1 [L187] SORT_1 init_66_arg_1 = var_30; [L188] state_65 = init_66_arg_1 [L189] SORT_1 init_68_arg_1 = var_30; [L190] state_67 = init_68_arg_1 [L191] SORT_1 init_70_arg_1 = var_30; [L192] state_69 = init_70_arg_1 [L193] SORT_1 init_72_arg_1 = var_30; [L194] state_71 = init_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L197] input_85 = __VERIFIER_nondet_uchar() [L198] EXPR input_85 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L198] input_85 = input_85 & mask_SORT_1 [L199] input_87 = __VERIFIER_nondet_uchar() [L200] EXPR input_87 & mask_SORT_1 VAL [input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L200] input_87 = input_87 & mask_SORT_1 [L201] input_89 = __VERIFIER_nondet_uchar() [L202] EXPR input_89 & mask_SORT_1 VAL [input_85=0, input_87=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L202] input_89 = input_89 & mask_SORT_1 [L203] input_91 = __VERIFIER_nondet_uchar() [L204] EXPR input_91 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L204] input_91 = input_91 & mask_SORT_1 [L205] input_97 = __VERIFIER_nondet_uchar() [L206] EXPR input_97 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L206] input_97 = input_97 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_101 = __VERIFIER_nondet_uchar() [L210] EXPR input_101 & mask_SORT_1 VAL [input_100=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L210] input_101 = input_101 & mask_SORT_1 [L211] input_102 = __VERIFIER_nondet_uchar() [L212] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_101=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L212] input_102 = input_102 & mask_SORT_1 [L213] input_103 = __VERIFIER_nondet_uchar() [L214] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L214] input_103 = input_103 & mask_SORT_1 [L215] input_109 = __VERIFIER_nondet_uchar() [L216] EXPR input_109 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L216] input_109 = input_109 & mask_SORT_1 [L217] input_112 = __VERIFIER_nondet_uchar() [L218] EXPR input_112 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L218] input_112 = input_112 & mask_SORT_1 [L219] input_113 = __VERIFIER_nondet_uchar() [L220] EXPR input_113 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L220] input_113 = input_113 & mask_SORT_1 [L221] input_114 = __VERIFIER_nondet_uchar() [L222] EXPR input_114 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L222] input_114 = input_114 & mask_SORT_1 [L223] input_115 = __VERIFIER_nondet_uchar() [L224] EXPR input_115 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L224] input_115 = input_115 & mask_SORT_1 [L225] input_121 = __VERIFIER_nondet_uchar() [L226] EXPR input_121 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L226] input_121 = input_121 & mask_SORT_1 [L227] input_124 = __VERIFIER_nondet_uchar() [L228] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L228] input_124 = input_124 & mask_SORT_1 [L229] input_125 = __VERIFIER_nondet_uchar() [L230] EXPR input_125 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L230] input_125 = input_125 & mask_SORT_1 [L231] input_126 = __VERIFIER_nondet_uchar() [L232] EXPR input_126 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L232] input_126 = input_126 & mask_SORT_1 [L233] input_127 = __VERIFIER_nondet_uchar() [L234] EXPR input_127 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L234] input_127 = input_127 & mask_SORT_1 [L235] input_133 = __VERIFIER_nondet_uchar() [L236] EXPR input_133 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L236] input_133 = input_133 & mask_SORT_1 [L237] input_136 = __VERIFIER_nondet_uchar() [L238] EXPR input_136 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L238] input_136 = input_136 & mask_SORT_1 [L239] input_143 = __VERIFIER_nondet_uchar() [L240] EXPR input_143 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L240] input_143 = input_143 & mask_SORT_1 [L241] input_150 = __VERIFIER_nondet_uchar() [L242] EXPR input_150 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L242] input_150 = input_150 & mask_SORT_1 [L243] input_157 = __VERIFIER_nondet_uchar() [L244] EXPR input_157 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L244] input_157 = input_157 & mask_SORT_1 [L245] input_164 = __VERIFIER_nondet_uchar() [L246] input_172 = __VERIFIER_nondet_uchar() [L247] input_174 = __VERIFIER_nondet_uchar() [L248] input_186 = __VERIFIER_nondet_uchar() [L249] input_194 = __VERIFIER_nondet_uchar() [L250] input_196 = __VERIFIER_nondet_uchar() [L251] input_208 = __VERIFIER_nondet_uchar() [L252] input_216 = __VERIFIER_nondet_uchar() [L253] input_218 = __VERIFIER_nondet_uchar() [L254] input_230 = __VERIFIER_nondet_uchar() [L255] input_238 = __VERIFIER_nondet_uchar() [L256] input_240 = __VERIFIER_nondet_uchar() [L257] input_252 = __VERIFIER_nondet_uchar() [L258] input_267 = __VERIFIER_nondet_uchar() [L259] input_282 = __VERIFIER_nondet_uchar() [L260] input_297 = __VERIFIER_nondet_uchar() [L263] SORT_1 var_75_arg_0 = ~state_33; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_75_arg_0=-1, var_86=2, var_88=1, var_90=0] [L264] EXPR var_75_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L264] var_75_arg_0 = var_75_arg_0 & mask_SORT_1 [L265] SORT_4 var_75_arg_1 = var_73; [L266] SORT_4 var_75_arg_2 = var_74; [L267] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L268] SORT_1 var_76_arg_0 = state_39; [L269] SORT_4 var_76_arg_1 = var_73; [L270] SORT_4 var_76_arg_2 = var_74; [L271] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L272] SORT_4 var_77_arg_0 = var_75; [L273] SORT_4 var_77_arg_1 = var_76; [L274] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L275] SORT_1 var_78_arg_0 = state_45; [L276] SORT_4 var_78_arg_1 = var_73; [L277] SORT_4 var_78_arg_2 = var_74; [L278] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L279] SORT_4 var_79_arg_0 = var_77; [L280] SORT_4 var_79_arg_1 = var_78; [L281] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L282] SORT_1 var_80_arg_0 = state_51; [L283] SORT_4 var_80_arg_1 = var_73; [L284] SORT_4 var_80_arg_2 = var_74; [L285] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L286] SORT_4 var_81_arg_0 = var_79; [L287] SORT_4 var_81_arg_1 = var_80; [L288] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_81=0, var_86=2, var_88=1, var_90=0] [L289] EXPR var_81 & mask_SORT_4 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L289] var_81 = var_81 & mask_SORT_4 [L290] SORT_4 var_82_arg_0 = var_81; [L291] SORT_4 var_82_arg_1 = var_73; [L292] SORT_1 var_82 = var_82_arg_0 <= var_82_arg_1; [L293] SORT_1 var_83_arg_0 = ~state_71; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_82=1, var_83_arg_0=-1, var_86=2, var_88=1, var_90=0] [L294] EXPR var_83_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_82=1, var_86=2, var_88=1, var_90=0] [L294] var_83_arg_0 = var_83_arg_0 & mask_SORT_1 [L295] SORT_1 var_83_arg_1 = ~var_82; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_83_arg_0=1, var_83_arg_1=-2, var_86=2, var_88=1, var_90=0] [L296] EXPR var_83_arg_1 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_83_arg_0=1, var_86=2, var_88=1, var_90=0] [L296] var_83_arg_1 = var_83_arg_1 & mask_SORT_1 [L297] EXPR var_83_arg_0 & var_83_arg_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L297] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L298] EXPR var_83 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=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_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L298] var_83 = var_83 & mask_SORT_1 [L299] SORT_1 bad_84_arg_0 = var_83; [L300] CALL __VERIFIER_assert(!(bad_84_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3060 locations, 4587 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33012 SdHoareTripleChecker+Valid, 20.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33012 mSDsluCounter, 120980 SdHoareTripleChecker+Invalid, 17.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90383 mSDsCounter, 457 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46828 IncrementalHoareTripleChecker+Invalid, 47285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 457 mSolverCounterUnsat, 30597 mSDtfsCounter, 46828 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3190occurred in iteration=8, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 10045 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1343 NumberOfCodeBlocks, 1343 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1196 ConstructedInterpolants, 0 QuantifiedInterpolants, 7831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 [2025-03-16 22:01:42,185 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.lann.3.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 b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:01:44,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:01:44,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-16 22:01:44,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:01:44,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:01:44,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:01:44,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:01:44,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:01:44,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:01:44,129 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:01:44,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:01:44,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:01:44,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:01:44,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:01:44,130 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:01:44,131 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:01:44,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:01:44,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:01:44,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:01:44,132 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 -> b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 [2025-03-16 22:01:44,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:01:44,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:01:44,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:01:44,367 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:01:44,367 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:01:44,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2025-03-16 22:01:45,522 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c1cb77f9/b7781970a19c47a7acdc883456b9c21d/FLAGc7ffeac11 [2025-03-16 22:01:45,801 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:01:45,803 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2025-03-16 22:01:45,824 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c1cb77f9/b7781970a19c47a7acdc883456b9c21d/FLAGc7ffeac11 [2025-03-16 22:01:46,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c1cb77f9/b7781970a19c47a7acdc883456b9c21d [2025-03-16 22:01:46,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:01:46,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:01:46,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:46,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:01:46,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:01:46,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62da25d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46, skipping insertion in model container [2025-03-16 22:01:46,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:01:46,251 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.lann.3.prop1-func-interl.c[1171,1184] [2025-03-16 22:01:46,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:46,508 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:01:46,515 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.lann.3.prop1-func-interl.c[1171,1184] [2025-03-16 22:01:46,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:46,652 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:01:46,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46 WrapperNode [2025-03-16 22:01:46,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:46,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:01:46,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:01:46,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:01:46,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,759 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2374 [2025-03-16 22:01:46,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:01:46,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:01:46,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:01:46,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:01:46,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,777 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,821 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]. [2025-03-16 22:01:46,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,859 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:01:46,925 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:01:46,925 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:01:46,925 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:01:46,926 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (1/1) ... [2025-03-16 22:01:46,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:01:46,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:01:46,952 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) [2025-03-16 22:01:46,954 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 [2025-03-16 22:01:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:01:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 22:01:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:01:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:01:47,278 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:01:47,280 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:01:48,881 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-03-16 22:01:48,882 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:01:48,888 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:01:48,888 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:01:48,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:01:48 BoogieIcfgContainer [2025-03-16 22:01:48,889 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:01:48,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:01:48,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:01:48,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:01:48,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:01:46" (1/3) ... [2025-03-16 22:01:48,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127dc62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:01:48, skipping insertion in model container [2025-03-16 22:01:48,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:46" (2/3) ... [2025-03-16 22:01:48,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127dc62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:01:48, skipping insertion in model container [2025-03-16 22:01:48,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:01:48" (3/3) ... [2025-03-16 22:01:48,906 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.3.prop1-func-interl.c [2025-03-16 22:01:48,916 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:01:48,917 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.3.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:01:48,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:01:48,955 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;@4ecb64c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:01:48,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:01:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 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) [2025-03-16 22:01:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-16 22:01:48,960 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:48,960 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-16 22:01:48,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:48,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:48,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-03-16 22:01:48,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:01:48,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934153408] [2025-03-16 22:01:48,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:48,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:01:48,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:01:48,973 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) [2025-03-16 22:01:48,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 22:01:49,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-16 22:01:49,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-16 22:01:49,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:49,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:49,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-16 22:01:49,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:01:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:49,635 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 22:01:49,636 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 22:01:49,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934153408] [2025-03-16 22:01:49,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934153408] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:49,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:49,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 22:01:49,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188113420] [2025-03-16 22:01:49,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:49,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:49,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 22:01:49,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:49,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:49,654 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:49,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:49,799 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-03-16 22:01:49,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:49,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-16 22:01:49,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:49,806 INFO L225 Difference]: With dead ends: 16 [2025-03-16 22:01:49,807 INFO L226 Difference]: Without dead ends: 9 [2025-03-16 22:01:49,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:01:49,810 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:49,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 22:01:49,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-16 22:01:49,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-03-16 22:01:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-03-16 22:01:49,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-03-16 22:01:49,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:49,828 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-03-16 22:01:49,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-03-16 22:01:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 22:01:49,829 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:49,829 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-16 22:01:49,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-16 22:01:50,033 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 [2025-03-16 22:01:50,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:50,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:50,034 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-03-16 22:01:50,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:01:50,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679170567] [2025-03-16 22:01:50,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:50,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:01:50,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:01:50,037 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) [2025-03-16 22:01:50,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 22:01:50,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 22:01:50,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 22:01:50,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:50,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:50,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-16 22:01:50,543 INFO L279 TraceCheckSpWp]: Computing forward predicates...