./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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.cal179.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 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 08:10:24,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 08:10:24,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 08:10:24,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 08:10:24,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 08:10:24,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 08:10:24,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 08:10:24,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 08:10:24,585 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 08:10:24,585 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 08:10:24,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 08:10:24,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 08:10:24,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 08:10:24,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 08:10:24,586 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 08:10:24,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 08:10:24,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 08:10:24,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 08:10:24,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 08:10:24,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 08:10:24,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 08:10:24,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 08:10:24,588 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 08:10:24,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 08:10:24,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 08:10:24,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 08:10:24,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 08:10:24,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 08:10:24,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 08:10:24,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 08:10:24,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 08:10:24,589 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 -> 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 [2025-03-08 08:10:24,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 08:10:24,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 08:10:24,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 08:10:24,830 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 08:10:24,830 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 08:10:24,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2025-03-08 08:10:25,919 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fd939de/11bfe8552f4542d2b4c918de95a05c16/FLAG50350d8aa [2025-03-08 08:10:26,186 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 08:10:26,187 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2025-03-08 08:10:26,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fd939de/11bfe8552f4542d2b4c918de95a05c16/FLAG50350d8aa [2025-03-08 08:10:26,468 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fd939de/11bfe8552f4542d2b4c918de95a05c16 [2025-03-08 08:10:26,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 08:10:26,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 08:10:26,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 08:10:26,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 08:10:26,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 08:10:26,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:26,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f713cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26, skipping insertion in model container [2025-03-08 08:10:26,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:26,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 08:10:26,650 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.cal179.c[1246,1259] [2025-03-08 08:10:26,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 08:10:26,871 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 08:10:26,877 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.cal179.c[1246,1259] [2025-03-08 08:10:26,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 08:10:26,998 INFO L204 MainTranslator]: Completed translation [2025-03-08 08:10:26,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26 WrapperNode [2025-03-08 08:10:26,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 08:10:27,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 08:10:27,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 08:10:27,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 08:10:27,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,332 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3807 [2025-03-08 08:10:27,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 08:10:27,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 08:10:27,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 08:10:27,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 08:10:27,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,476 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]. [2025-03-08 08:10:27,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,554 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 08:10:27,695 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 08:10:27,696 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 08:10:27,696 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 08:10:27,697 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (1/1) ... [2025-03-08 08:10:27,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 08:10:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 08:10:27,722 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) [2025-03-08 08:10:27,725 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 [2025-03-08 08:10:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 08:10:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 08:10:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 08:10:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 08:10:28,114 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 08:10:28,116 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 08:10:30,572 INFO L? ?]: Removed 2442 outVars from TransFormulas that were not future-live. [2025-03-08 08:10:30,572 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 08:10:30,727 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 08:10:30,731 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 08:10:30,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:10:30 BoogieIcfgContainer [2025-03-08 08:10:30,732 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 08:10:30,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 08:10:30,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 08:10:30,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 08:10:30,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:10:26" (1/3) ... [2025-03-08 08:10:30,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3805cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:10:30, skipping insertion in model container [2025-03-08 08:10:30,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:26" (2/3) ... [2025-03-08 08:10:30,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3805cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:10:30, skipping insertion in model container [2025-03-08 08:10:30,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:10:30" (3/3) ... [2025-03-08 08:10:30,739 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal179.c [2025-03-08 08:10:30,750 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 08:10:30,751 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal179.c that has 1 procedures, 778 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 08:10:30,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 08:10:30,825 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;@3d194f0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 08:10:30,825 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 08:10:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 778 states, 776 states have (on average 1.4987113402061856) internal successors, (1163), 777 states have internal predecessors, (1163), 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) [2025-03-08 08:10:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-08 08:10:30,840 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:30,840 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] [2025-03-08 08:10:30,841 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:30,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:30,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1432238234, now seen corresponding path program 1 times [2025-03-08 08:10:30,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 08:10:30,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286548068] [2025-03-08 08:10:30,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:30,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 08:10:30,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-08 08:10:31,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-08 08:10:31,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:31,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:31,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 08:10:31,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286548068] [2025-03-08 08:10:31,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286548068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 08:10:31,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 08:10:31,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 08:10:31,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628719769] [2025-03-08 08:10:31,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 08:10:31,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 08:10:31,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 08:10:31,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 08:10:31,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 08:10:31,648 INFO L87 Difference]: Start difference. First operand has 778 states, 776 states have (on average 1.4987113402061856) internal successors, (1163), 777 states have internal predecessors, (1163), 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 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2025-03-08 08:10:32,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 08:10:32,058 INFO L93 Difference]: Finished difference Result 1425 states and 2133 transitions. [2025-03-08 08:10:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 08:10:32,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 95 [2025-03-08 08:10:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 08:10:32,069 INFO L225 Difference]: With dead ends: 1425 [2025-03-08 08:10:32,069 INFO L226 Difference]: Without dead ends: 777 [2025-03-08 08:10:32,074 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 [2025-03-08 08:10:32,076 INFO L435 NwaCegarLoop]: 965 mSDtfsCounter, 0 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 08:10:32,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2890 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 08:10:32,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2025-03-08 08:10:32,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2025-03-08 08:10:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 776 states have (on average 1.4961340206185567) internal successors, (1161), 776 states have internal predecessors, (1161), 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) [2025-03-08 08:10:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1161 transitions. [2025-03-08 08:10:32,151 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1161 transitions. Word has length 95 [2025-03-08 08:10:32,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 08:10:32,152 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1161 transitions. [2025-03-08 08:10:32,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2025-03-08 08:10:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1161 transitions. [2025-03-08 08:10:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-08 08:10:32,154 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:32,154 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] [2025-03-08 08:10:32,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 08:10:32,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:32,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:32,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1454392468, now seen corresponding path program 1 times [2025-03-08 08:10:32,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 08:10:32,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716142665] [2025-03-08 08:10:32,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:32,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 08:10:32,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-08 08:10:32,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-08 08:10:32,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:32,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:32,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:32,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 08:10:32,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716142665] [2025-03-08 08:10:32,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716142665] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 08:10:32,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 08:10:32,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 08:10:32,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636272180] [2025-03-08 08:10:32,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 08:10:32,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 08:10:32,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 08:10:32,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 08:10:32,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 08:10:32,396 INFO L87 Difference]: Start difference. First operand 777 states and 1161 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2025-03-08 08:10:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 08:10:32,727 INFO L93 Difference]: Finished difference Result 1426 states and 2131 transitions. [2025-03-08 08:10:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 08:10:32,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 96 [2025-03-08 08:10:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 08:10:32,731 INFO L225 Difference]: With dead ends: 1426 [2025-03-08 08:10:32,732 INFO L226 Difference]: Without dead ends: 779 [2025-03-08 08:10:32,734 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 [2025-03-08 08:10:32,735 INFO L435 NwaCegarLoop]: 965 mSDtfsCounter, 0 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2887 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 08:10:32,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2887 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 08:10:32,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2025-03-08 08:10:32,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2025-03-08 08:10:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 778 states have (on average 1.4948586118251928) internal successors, (1163), 778 states have internal predecessors, (1163), 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) [2025-03-08 08:10:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1163 transitions. [2025-03-08 08:10:32,756 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1163 transitions. Word has length 96 [2025-03-08 08:10:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 08:10:32,757 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1163 transitions. [2025-03-08 08:10:32,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2025-03-08 08:10:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1163 transitions. [2025-03-08 08:10:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-08 08:10:32,761 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:32,761 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] [2025-03-08 08:10:32,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 08:10:32,762 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:32,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash -226963499, now seen corresponding path program 1 times [2025-03-08 08:10:32,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 08:10:32,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109444657] [2025-03-08 08:10:32,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:32,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 08:10:32,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-08 08:10:32,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-08 08:10:32,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:32,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:33,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 08:10:33,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109444657] [2025-03-08 08:10:33,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109444657] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 08:10:33,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 08:10:33,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 08:10:33,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101104599] [2025-03-08 08:10:33,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 08:10:33,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 08:10:33,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 08:10:33,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 08:10:33,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 08:10:33,261 INFO L87 Difference]: Start difference. First operand 779 states and 1163 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2025-03-08 08:10:33,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 08:10:33,909 INFO L93 Difference]: Finished difference Result 1489 states and 2219 transitions. [2025-03-08 08:10:33,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 08:10:33,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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 97 [2025-03-08 08:10:33,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 08:10:33,915 INFO L225 Difference]: With dead ends: 1489 [2025-03-08 08:10:33,915 INFO L226 Difference]: Without dead ends: 840 [2025-03-08 08:10:33,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-08 08:10:33,917 INFO L435 NwaCegarLoop]: 933 mSDtfsCounter, 1251 mSDsluCounter, 2800 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 3733 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 08:10:33,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 3733 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 08:10:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2025-03-08 08:10:33,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 821. [2025-03-08 08:10:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 820 states have (on average 1.4939024390243902) internal successors, (1225), 820 states have internal predecessors, (1225), 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) [2025-03-08 08:10:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1225 transitions. [2025-03-08 08:10:33,931 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1225 transitions. Word has length 97 [2025-03-08 08:10:33,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 08:10:33,931 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1225 transitions. [2025-03-08 08:10:33,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2025-03-08 08:10:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1225 transitions. [2025-03-08 08:10:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-08 08:10:33,933 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:33,933 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] [2025-03-08 08:10:33,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 08:10:33,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:33,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:33,933 INFO L85 PathProgramCache]: Analyzing trace with hash -852537639, now seen corresponding path program 1 times [2025-03-08 08:10:33,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 08:10:33,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148652420] [2025-03-08 08:10:33,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:33,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 08:10:33,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-08 08:10:33,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-08 08:10:33,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:33,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:34,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 08:10:34,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148652420] [2025-03-08 08:10:34,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148652420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 08:10:34,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 08:10:34,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 08:10:34,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587336300] [2025-03-08 08:10:34,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 08:10:34,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 08:10:34,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 08:10:34,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 08:10:34,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 08:10:34,282 INFO L87 Difference]: Start difference. First operand 821 states and 1225 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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) [2025-03-08 08:10:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 08:10:35,095 INFO L93 Difference]: Finished difference Result 1491 states and 2221 transitions. [2025-03-08 08:10:35,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 08:10:35,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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 98 [2025-03-08 08:10:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 08:10:35,098 INFO L225 Difference]: With dead ends: 1491 [2025-03-08 08:10:35,098 INFO L226 Difference]: Without dead ends: 842 [2025-03-08 08:10:35,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-03-08 08:10:35,100 INFO L435 NwaCegarLoop]: 932 mSDtfsCounter, 1254 mSDsluCounter, 4656 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 5588 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 08:10:35,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 5588 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 08:10:35,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-03-08 08:10:35,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 824. [2025-03-08 08:10:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 823 states have (on average 1.4933171324422843) internal successors, (1229), 823 states have internal predecessors, (1229), 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) [2025-03-08 08:10:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1229 transitions. [2025-03-08 08:10:35,111 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1229 transitions. Word has length 98 [2025-03-08 08:10:35,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 08:10:35,112 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1229 transitions. [2025-03-08 08:10:35,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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) [2025-03-08 08:10:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1229 transitions. [2025-03-08 08:10:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-08 08:10:35,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:35,114 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] [2025-03-08 08:10:35,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 08:10:35,114 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:35,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:35,115 INFO L85 PathProgramCache]: Analyzing trace with hash 524845537, now seen corresponding path program 1 times [2025-03-08 08:10:35,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 08:10:35,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877805191] [2025-03-08 08:10:35,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:35,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 08:10:35,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-08 08:10:35,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-08 08:10:35,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:35,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:35,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 08:10:35,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877805191] [2025-03-08 08:10:35,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877805191] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 08:10:35,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 08:10:35,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 08:10:35,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402874518] [2025-03-08 08:10:35,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 08:10:35,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 08:10:35,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 08:10:35,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 08:10:35,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-08 08:10:35,618 INFO L87 Difference]: Start difference. First operand 824 states and 1229 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 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) [2025-03-08 08:10:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 08:10:36,734 INFO L93 Difference]: Finished difference Result 1491 states and 2220 transitions. [2025-03-08 08:10:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 08:10:36,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 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 99 [2025-03-08 08:10:36,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 08:10:36,738 INFO L225 Difference]: With dead ends: 1491 [2025-03-08 08:10:36,738 INFO L226 Difference]: Without dead ends: 842 [2025-03-08 08:10:36,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2025-03-08 08:10:36,740 INFO L435 NwaCegarLoop]: 929 mSDtfsCounter, 1248 mSDsluCounter, 5572 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 6501 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 08:10:36,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 6501 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 08:10:36,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-03-08 08:10:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 828. [2025-03-08 08:10:36,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 827 states have (on average 1.4921402660217655) internal successors, (1234), 827 states have internal predecessors, (1234), 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) [2025-03-08 08:10:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1234 transitions. [2025-03-08 08:10:36,753 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1234 transitions. Word has length 99 [2025-03-08 08:10:36,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 08:10:36,754 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1234 transitions. [2025-03-08 08:10:36,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 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) [2025-03-08 08:10:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1234 transitions. [2025-03-08 08:10:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-08 08:10:36,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:36,756 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] [2025-03-08 08:10:36,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 08:10:36,756 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:36,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash -12873103, now seen corresponding path program 1 times [2025-03-08 08:10:36,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 08:10:36,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669477970] [2025-03-08 08:10:36,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:36,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 08:10:36,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-08 08:10:36,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-08 08:10:36,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:36,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 08:10:36,811 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 08:10:36,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-08 08:10:36,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-08 08:10:36,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:36,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 08:10:36,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 08:10:36,909 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 08:10:36,910 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 08:10:36,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 08:10:36,913 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-08 08:10:36,971 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 08:10:36,990 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 08:10:36,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 08:10:36 BoogieIcfgContainer [2025-03-08 08:10:36,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 08:10:36,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 08:10:36,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 08:10:36,995 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 08:10:36,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:10:30" (3/4) ... [2025-03-08 08:10:36,997 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 08:10:36,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 08:10:36,998 INFO L158 Benchmark]: Toolchain (without parser) took 10526.43ms. Allocated memory was 167.8MB in the beginning and 394.3MB in the end (delta: 226.5MB). Free memory was 125.9MB in the beginning and 185.8MB in the end (delta: -59.8MB). Peak memory consumption was 165.0MB. Max. memory is 16.1GB. [2025-03-08 08:10:36,999 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 08:10:36,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.95ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 50.9MB in the end (delta: 75.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-03-08 08:10:36,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 332.90ms. Allocated memory is still 167.8MB. Free memory was 50.9MB in the beginning and 86.1MB in the end (delta: -35.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2025-03-08 08:10:37,000 INFO L158 Benchmark]: Boogie Preprocessor took 360.72ms. Allocated memory is still 167.8MB. Free memory was 86.1MB in the beginning and 64.8MB in the end (delta: 21.4MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2025-03-08 08:10:37,000 INFO L158 Benchmark]: IcfgBuilder took 3036.16ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 64.8MB in the beginning and 195.2MB in the end (delta: -130.5MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. [2025-03-08 08:10:37,000 INFO L158 Benchmark]: TraceAbstraction took 6260.93ms. Allocated memory was 352.3MB in the beginning and 394.3MB in the end (delta: 41.9MB). Free memory was 195.2MB in the beginning and 190.0MB in the end (delta: 5.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2025-03-08 08:10:37,000 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 394.3MB. Free memory was 190.0MB in the beginning and 185.8MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 08:10:37,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.95ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 50.9MB in the end (delta: 75.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 332.90ms. Allocated memory is still 167.8MB. Free memory was 50.9MB in the beginning and 86.1MB in the end (delta: -35.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 360.72ms. Allocated memory is still 167.8MB. Free memory was 86.1MB in the beginning and 64.8MB in the end (delta: 21.4MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * IcfgBuilder took 3036.16ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 64.8MB in the beginning and 195.2MB in the end (delta: -130.5MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6260.93ms. Allocated memory was 352.3MB in the beginning and 394.3MB in the end (delta: 41.9MB). Free memory was 195.2MB in the beginning and 190.0MB in the end (delta: 5.3MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 394.3MB. Free memory was 190.0MB in the beginning and 185.8MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 301, overapproximation of bitwiseAnd at line 306. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L36] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L38] const SORT_105 mask_SORT_105 = (SORT_105)-1 >> (sizeof(SORT_105) * 8 - 31); [L39] const SORT_105 msb_SORT_105 = (SORT_105)1 << (31 - 1); [L41] const SORT_1 var_63 = 0; [L42] const SORT_1 var_79 = 1; [L43] const SORT_9 var_83 = 0; [L44] const SORT_9 var_87 = 3; [L45] const SORT_9 var_95 = 2; [L46] const SORT_105 var_106 = 1618477056; [L47] const SORT_105 var_109 = 1618478076; [L48] const SORT_9 var_118 = 1; [L49] const SORT_16 var_195 = 0; [L50] const SORT_16 var_199 = 2; [L51] const SORT_16 var_201 = 4; [L52] const SORT_16 var_214 = 3; [L53] const SORT_16 var_274 = 5; [L54] const SORT_16 var_276 = 7; [L55] const SORT_16 var_289 = 6; [L56] const SORT_16 var_335 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_1 input_5; [L62] SORT_1 input_6; [L63] SORT_7 input_8; [L64] SORT_9 input_10; [L65] SORT_1 input_11; [L66] SORT_7 input_12; [L67] SORT_1 input_13; [L68] SORT_1 input_14; [L69] SORT_1 input_15; [L70] SORT_16 input_17; [L71] SORT_1 input_18; [L72] SORT_1 input_19; [L73] SORT_1 input_20; [L74] SORT_1 input_21; [L75] SORT_1 input_22; [L76] SORT_1 input_23; [L77] SORT_9 input_24; [L78] SORT_9 input_25; [L79] SORT_1 input_26; [L80] SORT_1 input_27; [L81] SORT_9 input_28; [L82] SORT_9 input_29; [L83] SORT_1 input_30; [L84] SORT_1 input_31; [L85] SORT_1 input_32; [L86] SORT_1 input_33; [L87] SORT_1 input_34; [L88] SORT_1 input_35; [L89] SORT_1 input_36; [L90] SORT_9 input_37; [L91] SORT_9 input_38; [L92] SORT_1 input_39; [L93] SORT_1 input_40; [L94] SORT_1 input_41; [L95] SORT_1 input_42; [L96] SORT_1 input_43; [L97] SORT_1 input_44; [L98] SORT_1 input_45; [L99] SORT_1 input_46; [L100] SORT_1 input_47; [L101] SORT_1 input_48; [L102] SORT_9 input_49; [L103] SORT_9 input_50; [L104] SORT_1 input_51; [L105] SORT_1 input_52; [L106] SORT_1 input_53; [L107] SORT_1 input_54; [L108] SORT_9 input_55; [L109] SORT_9 input_56; [L110] SORT_9 input_57; [L111] SORT_9 input_58; [L112] SORT_1 input_59; [L113] SORT_1 input_60; [L114] SORT_16 input_61; [L115] SORT_16 input_62; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L117] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L118] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L119] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L120] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L121] SORT_9 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L122] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L123] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L124] SORT_9 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L125] SORT_9 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L126] SORT_1 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L127] SORT_9 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L128] SORT_1 state_142 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L129] SORT_1 state_182 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L130] SORT_1 state_185 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L131] SORT_16 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L132] SORT_1 state_261 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L133] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L134] SORT_1 state_313 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L135] SORT_9 state_397 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L136] SORT_1 state_401 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L137] SORT_1 state_408 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L138] SORT_9 state_415 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L139] SORT_9 state_426 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L140] SORT_1 state_429 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L141] SORT_9 state_434 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L142] SORT_1 state_441 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L143] SORT_1 state_472 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L144] SORT_1 state_475 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L145] SORT_16 state_485 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L146] SORT_1 state_547 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L147] SORT_1 state_550 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L148] SORT_1 state_596 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] SORT_1 init_65_arg_1 = var_63; [L151] state_64 = init_65_arg_1 [L152] SORT_1 init_68_arg_1 = var_63; [L153] state_67 = init_68_arg_1 [L154] SORT_1 init_70_arg_1 = var_63; [L155] state_69 = init_70_arg_1 [L156] SORT_1 init_73_arg_1 = var_63; [L157] state_72 = init_73_arg_1 [L158] SORT_9 init_85_arg_1 = var_83; [L159] state_84 = init_85_arg_1 [L160] SORT_1 init_90_arg_1 = var_63; [L161] state_89 = init_90_arg_1 [L162] SORT_1 init_98_arg_1 = var_63; [L163] state_97 = init_98_arg_1 [L164] SORT_9 init_116_arg_1 = var_83; [L165] state_115 = init_116_arg_1 [L166] SORT_9 init_128_arg_1 = var_83; [L167] state_127 = init_128_arg_1 [L168] SORT_1 init_131_arg_1 = var_63; [L169] state_130 = init_131_arg_1 [L170] SORT_9 init_136_arg_1 = var_83; [L171] state_135 = init_136_arg_1 [L172] SORT_1 init_143_arg_1 = var_63; [L173] state_142 = init_143_arg_1 [L174] SORT_1 init_183_arg_1 = var_63; [L175] state_182 = init_183_arg_1 [L176] SORT_1 init_186_arg_1 = var_63; [L177] state_185 = init_186_arg_1 [L178] SORT_16 init_197_arg_1 = var_195; [L179] state_196 = init_197_arg_1 [L180] SORT_1 init_262_arg_1 = var_63; [L181] state_261 = init_262_arg_1 [L182] SORT_1 init_265_arg_1 = var_63; [L183] state_264 = init_265_arg_1 [L184] SORT_1 init_314_arg_1 = var_63; [L185] state_313 = init_314_arg_1 [L186] SORT_9 init_398_arg_1 = var_83; [L187] state_397 = init_398_arg_1 [L188] SORT_1 init_402_arg_1 = var_63; [L189] state_401 = init_402_arg_1 [L190] SORT_1 init_409_arg_1 = var_63; [L191] state_408 = init_409_arg_1 [L192] SORT_9 init_416_arg_1 = var_83; [L193] state_415 = init_416_arg_1 [L194] SORT_9 init_427_arg_1 = var_83; [L195] state_426 = init_427_arg_1 [L196] SORT_1 init_430_arg_1 = var_63; [L197] state_429 = init_430_arg_1 [L198] SORT_9 init_435_arg_1 = var_83; [L199] state_434 = init_435_arg_1 [L200] SORT_1 init_442_arg_1 = var_63; [L201] state_441 = init_442_arg_1 [L202] SORT_1 init_473_arg_1 = var_63; [L203] state_472 = init_473_arg_1 [L204] SORT_1 init_476_arg_1 = var_63; [L205] state_475 = init_476_arg_1 [L206] SORT_16 init_486_arg_1 = var_195; [L207] state_485 = init_486_arg_1 [L208] SORT_1 init_548_arg_1 = var_63; [L209] state_547 = init_548_arg_1 [L210] SORT_1 init_551_arg_1 = var_63; [L211] state_550 = init_551_arg_1 [L212] SORT_1 init_597_arg_1 = var_63; [L213] state_596 = init_597_arg_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L216] input_2 = __VERIFIER_nondet_uchar() [L217] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L217] input_2 = input_2 & mask_SORT_1 [L218] input_3 = __VERIFIER_nondet_uchar() [L219] EXPR input_3 & mask_SORT_1 VAL [input_2=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L219] input_3 = input_3 & mask_SORT_1 [L220] input_4 = __VERIFIER_nondet_uchar() [L221] EXPR input_4 & mask_SORT_1 VAL [input_2=0, input_3=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L221] input_4 = input_4 & mask_SORT_1 [L222] input_5 = __VERIFIER_nondet_uchar() [L223] input_6 = __VERIFIER_nondet_uchar() [L224] input_8 = __VERIFIER_nondet_uint() [L225] EXPR input_8 & mask_SORT_7 VAL [input_2=0, input_3=0, input_4=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L225] input_8 = input_8 & mask_SORT_7 [L226] input_10 = __VERIFIER_nondet_uchar() [L227] input_11 = __VERIFIER_nondet_uchar() [L228] input_12 = __VERIFIER_nondet_uint() [L229] EXPR input_12 & mask_SORT_7 VAL [input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L229] input_12 = input_12 & mask_SORT_7 [L230] input_13 = __VERIFIER_nondet_uchar() [L231] EXPR input_13 & mask_SORT_1 VAL [input_12=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L231] input_13 = input_13 & mask_SORT_1 [L232] input_14 = __VERIFIER_nondet_uchar() [L233] EXPR input_14 & mask_SORT_1 VAL [input_12=0, input_13=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L233] input_14 = input_14 & mask_SORT_1 [L234] input_15 = __VERIFIER_nondet_uchar() [L235] EXPR input_15 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_83=0, var_87=3, var_95=2] [L235] input_15 = input_15 & mask_SORT_1 [L236] input_17 = __VERIFIER_nondet_uchar() [L237] input_18 = __VERIFIER_nondet_uchar() [L238] input_19 = __VERIFIER_nondet_uchar() [L239] input_20 = __VERIFIER_nondet_uchar() [L240] input_21 = __VERIFIER_nondet_uchar() [L241] input_22 = __VERIFIER_nondet_uchar() [L242] input_23 = __VERIFIER_nondet_uchar() [L243] input_24 = __VERIFIER_nondet_uchar() [L244] input_25 = __VERIFIER_nondet_uchar() [L245] input_26 = __VERIFIER_nondet_uchar() [L246] input_27 = __VERIFIER_nondet_uchar() [L247] input_28 = __VERIFIER_nondet_uchar() [L248] input_29 = __VERIFIER_nondet_uchar() [L249] input_30 = __VERIFIER_nondet_uchar() [L250] input_31 = __VERIFIER_nondet_uchar() [L251] input_32 = __VERIFIER_nondet_uchar() [L252] input_33 = __VERIFIER_nondet_uchar() [L253] input_34 = __VERIFIER_nondet_uchar() [L254] input_35 = __VERIFIER_nondet_uchar() [L255] input_36 = __VERIFIER_nondet_uchar() [L256] input_37 = __VERIFIER_nondet_uchar() [L257] input_38 = __VERIFIER_nondet_uchar() [L258] input_39 = __VERIFIER_nondet_uchar() [L259] input_40 = __VERIFIER_nondet_uchar() [L260] input_41 = __VERIFIER_nondet_uchar() [L261] input_42 = __VERIFIER_nondet_uchar() [L262] input_43 = __VERIFIER_nondet_uchar() [L263] input_44 = __VERIFIER_nondet_uchar() [L264] input_45 = __VERIFIER_nondet_uchar() [L265] input_46 = __VERIFIER_nondet_uchar() [L266] input_47 = __VERIFIER_nondet_uchar() [L267] input_48 = __VERIFIER_nondet_uchar() [L268] input_49 = __VERIFIER_nondet_uchar() [L269] input_50 = __VERIFIER_nondet_uchar() [L270] input_51 = __VERIFIER_nondet_uchar() [L271] input_52 = __VERIFIER_nondet_uchar() [L272] input_53 = __VERIFIER_nondet_uchar() [L273] input_54 = __VERIFIER_nondet_uchar() [L274] input_55 = __VERIFIER_nondet_uchar() [L275] input_56 = __VERIFIER_nondet_uchar() [L276] input_57 = __VERIFIER_nondet_uchar() [L277] input_58 = __VERIFIER_nondet_uchar() [L278] input_59 = __VERIFIER_nondet_uchar() [L279] input_60 = __VERIFIER_nondet_uchar() [L280] input_61 = __VERIFIER_nondet_uchar() [L281] input_62 = __VERIFIER_nondet_uchar() [L284] SORT_1 var_66_arg_0 = state_64; [L285] SORT_1 var_66 = ~var_66_arg_0; [L286] SORT_1 var_71_arg_0 = state_69; [L287] SORT_1 var_71_arg_1 = state_67; [L288] SORT_1 var_71_arg_2 = input_26; [L289] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_26=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L290] EXPR var_71 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_26=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_72=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_79=1, var_83=0, var_87=3, var_95=2] [L290] var_71 = var_71 & mask_SORT_1 [L291] SORT_1 var_74_arg_0 = state_69; [L292] SORT_1 var_74_arg_1 = state_72; [L293] SORT_1 var_74_arg_2 = input_26; [L294] SORT_1 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_74=0, var_79=1, var_83=0, var_87=3, var_95=2] [L295] EXPR var_74 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L295] var_74 = var_74 & mask_SORT_1 [L296] SORT_1 var_75_arg_0 = var_71; [L297] SORT_1 var_75_arg_1 = var_74; [L298] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L299] SORT_1 var_76_arg_0 = var_66; [L300] SORT_1 var_76_arg_1 = var_75; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_76_arg_0=-1, var_76_arg_1=1, var_79=1, var_83=0, var_87=3, var_95=2] [L301] EXPR var_76_arg_0 | var_76_arg_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L301] SORT_1 var_76 = var_76_arg_0 | var_76_arg_1; [L302] SORT_1 var_80_arg_0 = var_76; [L303] SORT_1 var_80 = ~var_80_arg_0; [L304] SORT_1 var_81_arg_0 = var_79; [L305] SORT_1 var_81_arg_1 = var_80; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_81_arg_0=1, var_81_arg_1=-1, var_83=0, var_87=3, var_95=2] [L306] EXPR var_81_arg_0 & var_81_arg_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L306] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L307] EXPR var_81 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_105=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_115=0, state_127=0, state_130=0, state_135=0, state_142=0, state_182=0, state_185=0, state_196=0, state_261=0, state_264=0, state_313=0, state_397=0, state_401=0, state_408=0, state_415=0, state_426=0, state_429=0, state_434=0, state_441=0, state_472=0, state_475=0, state_485=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_84=0, state_89=0, state_97=0, var_106=1618477056, var_109=1618478076, var_118=1, var_195=0, var_199=2, var_201=4, var_214=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_83=0, var_87=3, var_95=2] [L307] var_81 = var_81 & mask_SORT_1 [L308] SORT_1 bad_82_arg_0 = var_81; [L309] CALL __VERIFIER_assert(!(bad_82_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 778 locations, 1163 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3753 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3753 mSDsluCounter, 21599 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16875 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5056 IncrementalHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4724 mSDtfsCounter, 5056 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=828occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 1509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2025-03-08 08:10:37,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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.cal179.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 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 08:10:38,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 08:10:38,881 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-08 08:10:38,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 08:10:38,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 08:10:38,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 08:10:38,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 08:10:38,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 08:10:38,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 08:10:38,899 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 08:10:38,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 08:10:38,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 08:10:38,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 08:10:38,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 08:10:38,899 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 08:10:38,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 08:10:38,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 08:10:38,900 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 08:10:38,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 08:10:38,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 08:10:38,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 08:10:38,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 08:10:38,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 08:10:38,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 08:10:38,901 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 -> 85122204d036b5910f53a88c39bdbbba827d7c0829526b0f1f0f57c9eea94673 [2025-03-08 08:10:39,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 08:10:39,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 08:10:39,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 08:10:39,147 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 08:10:39,147 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 08:10:39,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2025-03-08 08:10:40,236 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c6e6236/4e9d9699a8274ca2ba0a5df9acac64cf/FLAG2295b92b9 [2025-03-08 08:10:40,530 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 08:10:40,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal179.c [2025-03-08 08:10:40,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c6e6236/4e9d9699a8274ca2ba0a5df9acac64cf/FLAG2295b92b9 [2025-03-08 08:10:40,794 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c6e6236/4e9d9699a8274ca2ba0a5df9acac64cf [2025-03-08 08:10:40,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 08:10:40,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 08:10:40,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 08:10:40,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 08:10:40,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 08:10:40,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:10:40" (1/1) ... [2025-03-08 08:10:40,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7278eda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:40, skipping insertion in model container [2025-03-08 08:10:40,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:10:40" (1/1) ... [2025-03-08 08:10:40,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 08:10:40,969 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.cal179.c[1246,1259] [2025-03-08 08:10:41,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 08:10:41,200 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 08:10:41,208 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.cal179.c[1246,1259] [2025-03-08 08:10:41,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 08:10:41,354 INFO L204 MainTranslator]: Completed translation [2025-03-08 08:10:41,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41 WrapperNode [2025-03-08 08:10:41,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 08:10:41,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 08:10:41,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 08:10:41,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 08:10:41,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,452 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2271 [2025-03-08 08:10:41,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 08:10:41,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 08:10:41,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 08:10:41,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 08:10:41,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,501 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]. [2025-03-08 08:10:41,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 08:10:41,582 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 08:10:41,582 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 08:10:41,582 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 08:10:41,583 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (1/1) ... [2025-03-08 08:10:41,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 08:10:41,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 08:10:41,607 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) [2025-03-08 08:10:41,609 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 [2025-03-08 08:10:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 08:10:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 08:10:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 08:10:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 08:10:41,881 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 08:10:41,883 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 08:10:43,053 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2025-03-08 08:10:43,053 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 08:10:43,061 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 08:10:43,061 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 08:10:43,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:10:43 BoogieIcfgContainer [2025-03-08 08:10:43,062 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 08:10:43,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 08:10:43,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 08:10:43,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 08:10:43,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:10:40" (1/3) ... [2025-03-08 08:10:43,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50835af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:10:43, skipping insertion in model container [2025-03-08 08:10:43,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:10:41" (2/3) ... [2025-03-08 08:10:43,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50835af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:10:43, skipping insertion in model container [2025-03-08 08:10:43,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:10:43" (3/3) ... [2025-03-08 08:10:43,069 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal179.c [2025-03-08 08:10:43,079 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 08:10:43,080 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal179.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 08:10:43,113 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 08:10:43,122 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;@1335ee86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 08:10:43,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 08:10:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 08:10:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-08 08:10:43,129 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:43,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-08 08:10:43,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:43,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:43,134 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-03-08 08:10:43,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 08:10:43,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329250306] [2025-03-08 08:10:43,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:43,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 08:10:43,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 08:10:43,147 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) [2025-03-08 08:10:43,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 08:10:43,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-08 08:10:43,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-08 08:10:43,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:43,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:43,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-08 08:10:43,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 08:10:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:43,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 08:10:43,632 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 08:10:43,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329250306] [2025-03-08 08:10:43,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329250306] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 08:10:43,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 08:10:43,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 08:10:43,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363951715] [2025-03-08 08:10:43,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 08:10:43,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 08:10:43,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 08:10:43,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 08:10:43,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 08:10:43,647 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 08:10:43,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 08:10:43,739 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-03-08 08:10:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 08:10:43,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-08 08:10:43,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 08:10:43,746 INFO L225 Difference]: With dead ends: 18 [2025-03-08 08:10:43,746 INFO L226 Difference]: Without dead ends: 10 [2025-03-08 08:10:43,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 08:10:43,751 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 08:10:43,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 08:10:43,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-08 08:10:43,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-08 08:10:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 08:10:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-03-08 08:10:43,770 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-03-08 08:10:43,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 08:10:43,771 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-03-08 08:10:43,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 08:10:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-03-08 08:10:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-08 08:10:43,771 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:43,771 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-08 08:10:43,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 08:10:43,972 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 [2025-03-08 08:10:43,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:43,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:43,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-03-08 08:10:43,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 08:10:43,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [724785974] [2025-03-08 08:10:43,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 08:10:43,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 08:10:43,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 08:10:43,977 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) [2025-03-08 08:10:43,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 08:10:44,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 08:10:44,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 08:10:44,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 08:10:44,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:44,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-08 08:10:44,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 08:10:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:44,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 08:10:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 08:10:45,355 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 08:10:45,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724785974] [2025-03-08 08:10:45,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724785974] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 08:10:45,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 08:10:45,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-08 08:10:45,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922118428] [2025-03-08 08:10:45,355 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 08:10:45,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 08:10:45,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 08:10:45,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 08:10:45,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-08 08:10:45,357 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2025-03-08 08:10:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 08:10:45,537 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2025-03-08 08:10:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 08:10:45,538 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 8 [2025-03-08 08:10:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 08:10:45,538 INFO L225 Difference]: With dead ends: 15 [2025-03-08 08:10:45,538 INFO L226 Difference]: Without dead ends: 13 [2025-03-08 08:10:45,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2025-03-08 08:10:45,539 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 08:10:45,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 08:10:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-03-08 08:10:45,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2025-03-08 08:10:45,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2025-03-08 08:10:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2025-03-08 08:10:45,540 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2025-03-08 08:10:45,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 08:10:45,540 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2025-03-08 08:10:45,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2025-03-08 08:10:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2025-03-08 08:10:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 08:10:45,541 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 08:10:45,541 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2025-03-08 08:10:45,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 08:10:45,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 08:10:45,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 08:10:45,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 08:10:45,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1791040441, now seen corresponding path program 2 times [2025-03-08 08:10:45,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 08:10:45,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [42547534] [2025-03-08 08:10:45,748 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 08:10:45,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 08:10:45,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 08:10:45,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 08:10:45,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 08:10:46,223 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 11 statements into 2 equivalence classes. [2025-03-08 08:10:46,310 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 08:10:46,310 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-08 08:10:46,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 08:10:46,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-03-08 08:10:46,334 INFO L279 TraceCheckSpWp]: Computing forward predicates...