./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/locks/test_locks_15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/locks/test_locks_15-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 14:04:49,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 14:04:49,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-16 14:04:49,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 14:04:49,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 14:04:49,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 14:04:49,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 14:04:49,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 14:04:49,719 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 14:04:49,720 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 14:04:49,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 14:04:49,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 14:04:49,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 14:04:49,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 14:04:49,721 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 14:04:49,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 14:04:49,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 14:04:49,721 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-16 14:04:49,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 14:04:49,722 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 14:04:49,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 14:04:49,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 14:04:49,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 14:04:49,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 14:04:49,724 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11a9c91fdf6b42598924d9a4ae5a3db9994a05118a3b564c2bd29b9bad4177b0 [2025-03-16 14:04:49,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 14:04:49,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 14:04:49,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 14:04:49,919 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 14:04:49,919 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 14:04:49,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/locks/test_locks_15-1.c [2025-03-16 14:04:50,964 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42e77aca/f88f5e64d3d643d7811d5185d30ca469/FLAGddaa2b7ef [2025-03-16 14:04:51,185 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 14:04:51,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/locks/test_locks_15-1.c [2025-03-16 14:04:51,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42e77aca/f88f5e64d3d643d7811d5185d30ca469/FLAGddaa2b7ef [2025-03-16 14:04:51,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c42e77aca/f88f5e64d3d643d7811d5185d30ca469 [2025-03-16 14:04:51,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 14:04:51,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 14:04:51,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 14:04:51,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 14:04:51,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 14:04:51,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4479722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51, skipping insertion in model container [2025-03-16 14:04:51,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 14:04:51,669 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/locks/test_locks_15-1.c[5654,5667] [2025-03-16 14:04:51,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 14:04:51,682 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 14:04:51,704 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/locks/test_locks_15-1.c[5654,5667] [2025-03-16 14:04:51,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 14:04:51,722 INFO L204 MainTranslator]: Completed translation [2025-03-16 14:04:51,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51 WrapperNode [2025-03-16 14:04:51,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 14:04:51,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 14:04:51,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 14:04:51,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 14:04:51,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,752 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 207 [2025-03-16 14:04:51,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 14:04:51,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 14:04:51,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 14:04:51,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 14:04:51,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,771 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 14:04:51,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,778 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 14:04:51,785 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 14:04:51,785 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 14:04:51,785 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 14:04:51,786 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (1/1) ... [2025-03-16 14:04:51,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 14:04:51,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 14:04:51,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 14:04:51,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 14:04:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 14:04:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 14:04:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 14:04:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 14:04:51,880 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 14:04:51,881 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 14:04:52,113 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2025-03-16 14:04:52,114 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 14:04:52,124 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 14:04:52,125 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 14:04:52,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 02:04:52 BoogieIcfgContainer [2025-03-16 14:04:52,126 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 14:04:52,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 14:04:52,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 14:04:52,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 14:04:52,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 02:04:51" (1/3) ... [2025-03-16 14:04:52,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ad6279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 02:04:52, skipping insertion in model container [2025-03-16 14:04:52,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:04:51" (2/3) ... [2025-03-16 14:04:52,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ad6279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 02:04:52, skipping insertion in model container [2025-03-16 14:04:52,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 02:04:52" (3/3) ... [2025-03-16 14:04:52,134 INFO L128 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2025-03-16 14:04:52,144 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 14:04:52,145 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test_locks_15-1.c that has 1 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 14:04:52,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 14:04:52,193 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;@52f989f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 14:04:52,194 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 14:04:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 52 states have (on average 1.9230769230769231) internal successors, (100), 53 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-16 14:04:52,200 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 14:04:52,200 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] [2025-03-16 14:04:52,201 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 14:04:52,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 14:04:52,204 INFO L85 PathProgramCache]: Analyzing trace with hash -798279392, now seen corresponding path program 1 times [2025-03-16 14:04:52,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 14:04:52,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720734709] [2025-03-16 14:04:52,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 14:04:52,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 14:04:52,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-16 14:04:52,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-16 14:04:52,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 14:04:52,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 14:04:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 14:04:52,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 14:04:52,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720734709] [2025-03-16 14:04:52,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720734709] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 14:04:52,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 14:04:52,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 14:04:52,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278967437] [2025-03-16 14:04:52,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 14:04:52,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 14:04:52,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 14:04:52,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 14:04:52,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,370 INFO L87 Difference]: Start difference. First operand has 54 states, 52 states have (on average 1.9230769230769231) internal successors, (100), 53 states have internal predecessors, (100), 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 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 14:04:52,405 INFO L93 Difference]: Finished difference Result 157 states and 295 transitions. [2025-03-16 14:04:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 14:04:52,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2025-03-16 14:04:52,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 14:04:52,412 INFO L225 Difference]: With dead ends: 157 [2025-03-16 14:04:52,413 INFO L226 Difference]: Without dead ends: 98 [2025-03-16 14:04:52,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,416 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 78 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 14:04:52,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 248 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 14:04:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2025-03-16 14:04:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2025-03-16 14:04:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.9157894736842105) internal successors, (182), 95 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 182 transitions. [2025-03-16 14:04:52,446 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 182 transitions. Word has length 21 [2025-03-16 14:04:52,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 14:04:52,446 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 182 transitions. [2025-03-16 14:04:52,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,446 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 182 transitions. [2025-03-16 14:04:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-16 14:04:52,447 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 14:04:52,447 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] [2025-03-16 14:04:52,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 14:04:52,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 14:04:52,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 14:04:52,449 INFO L85 PathProgramCache]: Analyzing trace with hash -798280260, now seen corresponding path program 1 times [2025-03-16 14:04:52,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 14:04:52,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089095174] [2025-03-16 14:04:52,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 14:04:52,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 14:04:52,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-16 14:04:52,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-16 14:04:52,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 14:04:52,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 14:04:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 14:04:52,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 14:04:52,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089095174] [2025-03-16 14:04:52,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089095174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 14:04:52,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 14:04:52,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 14:04:52,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986820241] [2025-03-16 14:04:52,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 14:04:52,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 14:04:52,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 14:04:52,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 14:04:52,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,527 INFO L87 Difference]: Start difference. First operand 96 states and 182 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 14:04:52,550 INFO L93 Difference]: Finished difference Result 99 states and 185 transitions. [2025-03-16 14:04:52,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 14:04:52,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2025-03-16 14:04:52,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 14:04:52,551 INFO L225 Difference]: With dead ends: 99 [2025-03-16 14:04:52,551 INFO L226 Difference]: Without dead ends: 97 [2025-03-16 14:04:52,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,552 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 14 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 14:04:52,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 182 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 14:04:52,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-03-16 14:04:52,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2025-03-16 14:04:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.90625) internal successors, (183), 96 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 183 transitions. [2025-03-16 14:04:52,559 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 183 transitions. Word has length 21 [2025-03-16 14:04:52,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 14:04:52,559 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 183 transitions. [2025-03-16 14:04:52,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 183 transitions. [2025-03-16 14:04:52,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-16 14:04:52,559 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 14:04:52,560 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] [2025-03-16 14:04:52,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 14:04:52,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 14:04:52,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 14:04:52,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1795351745, now seen corresponding path program 1 times [2025-03-16 14:04:52,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 14:04:52,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895044899] [2025-03-16 14:04:52,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 14:04:52,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 14:04:52,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-16 14:04:52,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-16 14:04:52,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 14:04:52,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 14:04:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 14:04:52,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 14:04:52,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895044899] [2025-03-16 14:04:52,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895044899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 14:04:52,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 14:04:52,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 14:04:52,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616200330] [2025-03-16 14:04:52,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 14:04:52,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 14:04:52,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 14:04:52,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 14:04:52,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,609 INFO L87 Difference]: Start difference. First operand 97 states and 183 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 14:04:52,625 INFO L93 Difference]: Finished difference Result 232 states and 436 transitions. [2025-03-16 14:04:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 14:04:52,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2025-03-16 14:04:52,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 14:04:52,626 INFO L225 Difference]: With dead ends: 232 [2025-03-16 14:04:52,628 INFO L226 Difference]: Without dead ends: 136 [2025-03-16 14:04:52,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,629 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 76 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 14:04:52,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 132 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 14:04:52,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-03-16 14:04:52,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2025-03-16 14:04:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.8721804511278195) internal successors, (249), 133 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 249 transitions. [2025-03-16 14:04:52,637 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 249 transitions. Word has length 21 [2025-03-16 14:04:52,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 14:04:52,638 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 249 transitions. [2025-03-16 14:04:52,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 249 transitions. [2025-03-16 14:04:52,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-16 14:04:52,638 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 14:04:52,639 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] [2025-03-16 14:04:52,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 14:04:52,639 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 14:04:52,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 14:04:52,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1795352613, now seen corresponding path program 1 times [2025-03-16 14:04:52,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 14:04:52,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129406229] [2025-03-16 14:04:52,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 14:04:52,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 14:04:52,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-16 14:04:52,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-16 14:04:52,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 14:04:52,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 14:04:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 14:04:52,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 14:04:52,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129406229] [2025-03-16 14:04:52,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129406229] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 14:04:52,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 14:04:52,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 14:04:52,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305872183] [2025-03-16 14:04:52,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 14:04:52,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-16 14:04:52,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 14:04:52,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-16 14:04:52,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,685 INFO L87 Difference]: Start difference. First operand 134 states and 249 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 14:04:52,701 INFO L93 Difference]: Finished difference Result 186 states and 340 transitions. [2025-03-16 14:04:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-16 14:04:52,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2025-03-16 14:04:52,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 14:04:52,702 INFO L225 Difference]: With dead ends: 186 [2025-03-16 14:04:52,702 INFO L226 Difference]: Without dead ends: 134 [2025-03-16 14:04:52,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-16 14:04:52,703 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 74 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-16 14:04:52,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 210 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-16 14:04:52,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-03-16 14:04:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2025-03-16 14:04:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.8473282442748091) internal successors, (242), 131 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 242 transitions. [2025-03-16 14:04:52,710 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 242 transitions. Word has length 21 [2025-03-16 14:04:52,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 14:04:52,710 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 242 transitions. [2025-03-16 14:04:52,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 14:04:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 242 transitions. [2025-03-16 14:04:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-16 14:04:52,711 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 14:04:52,711 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] [2025-03-16 14:04:52,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 14:04:52,711 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 14:04:52,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 14:04:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash -442042048, now seen corresponding path program 1 times [2025-03-16 14:04:52,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 14:04:52,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785472826] [2025-03-16 14:04:52,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 14:04:52,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 14:04:52,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-16 14:04:52,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-16 14:04:52,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 14:04:52,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 14:04:52,728 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 14:04:52,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-16 14:04:52,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-16 14:04:52,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 14:04:52,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 14:04:52,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 14:04:52,756 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 14:04:52,757 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 14:04:52,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 14:04:52,761 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-16 14:04:52,808 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 14:04:52,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 02:04:52 BoogieIcfgContainer [2025-03-16 14:04:52,809 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 14:04:52,810 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 14:04:52,810 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 14:04:52,810 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 14:04:52,811 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 02:04:52" (3/4) ... [2025-03-16 14:04:52,811 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-16 14:04:52,862 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 20. [2025-03-16 14:04:52,900 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-16 14:04:52,900 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-16 14:04:52,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 14:04:52,902 INFO L158 Benchmark]: Toolchain (without parser) took 1365.84ms. Allocated memory is still 167.8MB. Free memory was 135.7MB in the beginning and 121.7MB in the end (delta: 14.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2025-03-16 14:04:52,902 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 14:04:52,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.89ms. Allocated memory is still 167.8MB. Free memory was 135.7MB in the beginning and 123.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 14:04:52,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.67ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 122.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 14:04:52,904 INFO L158 Benchmark]: Boogie Preprocessor took 31.43ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 120.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 14:04:52,904 INFO L158 Benchmark]: IcfgBuilder took 340.96ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 101.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-16 14:04:52,904 INFO L158 Benchmark]: TraceAbstraction took 681.88ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 130.5MB in the end (delta: -29.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2025-03-16 14:04:52,905 INFO L158 Benchmark]: Witness Printer took 90.42ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 121.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 14:04:52,906 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 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.89ms. Allocated memory is still 167.8MB. Free memory was 135.7MB in the beginning and 123.3MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.67ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 122.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.43ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 120.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 340.96ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 101.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 681.88ms. Allocated memory is still 167.8MB. Free memory was 101.0MB in the beginning and 130.5MB in the end (delta: -29.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Witness Printer took 90.42ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 121.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 233]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L50] int p15 = __VERIFIER_nondet_int(); [L51] int lk15; [L54] int cond; VAL [p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L56] COND TRUE 1 [L57] cond = __VERIFIER_nondet_int() [L58] COND FALSE !(cond == 0) [L61] lk1 = 0 [L63] lk2 = 0 [L65] lk3 = 0 [L67] lk4 = 0 [L69] lk5 = 0 [L71] lk6 = 0 [L73] lk7 = 0 [L75] lk8 = 0 [L77] lk9 = 0 [L79] lk10 = 0 [L81] lk11 = 0 [L83] lk12 = 0 [L85] lk13 = 0 [L87] lk14 = 0 [L89] lk15 = 0 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L93] COND FALSE !(p1 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L97] COND FALSE !(p2 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L101] COND TRUE p3 != 0 [L102] lk3 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L105] COND TRUE p4 != 0 [L106] lk4 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L109] COND TRUE p5 != 0 [L110] lk5 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L113] COND TRUE p6 != 0 [L114] lk6 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L117] COND TRUE p7 != 0 [L118] lk7 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L121] COND FALSE !(p8 != 0) VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L125] COND TRUE p9 != 0 [L126] lk9 = 1 VAL [lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L129] COND TRUE p10 != 0 [L130] lk10 = 1 VAL [lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L133] COND TRUE p11 != 0 [L134] lk11 = 1 VAL [lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L137] COND TRUE p12 != 0 [L138] lk12 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L141] COND TRUE p13 != 0 [L142] lk13 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L145] COND TRUE p14 != 0 [L146] lk14 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=0, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L149] COND TRUE p15 != 0 [L150] lk15 = 1 VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L155] COND FALSE !(p1 != 0) VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L160] COND FALSE !(p2 != 0) VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] [L233] reach_error() VAL [lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk15=1, lk1=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p10=1, p11=1, p12=1, p13=1, p14=1, p15=1, p1=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 54 locations, 100 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 772 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 470 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 proved your program to be incorrect! [2025-03-16 14:04:52,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE