./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 22:59:26,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 22:59:26,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-12 22:59:26,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 22:59:26,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 22:59:26,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 22:59:26,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 22:59:26,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 22:59:26,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 22:59:26,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 22:59:26,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 22:59:26,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 22:59:26,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 22:59:26,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 22:59:26,778 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 22:59:26,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 22:59:26,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 22:59:26,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 22:59:26,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 22:59:26,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 22:59:26,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 22:59:26,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 22:59:26,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 22:59:26,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 22:59:26,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 22:59:26,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 22:59:26,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 22:59:26,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 22:59:26,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 22:59:26,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:59:26,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 22:59:26,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 22:59:26,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 22:59:26,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 22:59:26,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 22:59:26,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 22:59:26,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 22:59:26,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 22:59:26,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 22:59:26,782 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 [2024-10-12 22:59:26,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 22:59:27,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 22:59:27,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 22:59:27,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 22:59:27,030 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 22:59:27,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2024-10-12 22:59:28,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 22:59:28,644 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 22:59:28,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2024-10-12 22:59:28,658 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b920c88bf/023775b6a45344c2b5fa1583db6943d8/FLAG970cec1d4 [2024-10-12 22:59:28,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b920c88bf/023775b6a45344c2b5fa1583db6943d8 [2024-10-12 22:59:28,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 22:59:28,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 22:59:28,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 22:59:28,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 22:59:28,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 22:59:28,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:28" (1/1) ... [2024-10-12 22:59:28,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e3144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:28, skipping insertion in model container [2024-10-12 22:59:28,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:59:28" (1/1) ... [2024-10-12 22:59:28,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 22:59:29,120 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c[1171,1184] [2024-10-12 22:59:29,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:59:29,461 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 22:59:29,472 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c[1171,1184] [2024-10-12 22:59:29,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:59:29,797 INFO L204 MainTranslator]: Completed translation [2024-10-12 22:59:29,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29 WrapperNode [2024-10-12 22:59:29,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 22:59:29,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 22:59:29,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 22:59:29,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 22:59:29,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:29,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:30,741 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8479 [2024-10-12 22:59:30,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 22:59:30,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 22:59:30,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 22:59:30,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 22:59:30,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:30,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,117 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,336 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]. [2024-10-12 22:59:31,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 22:59:31,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 22:59:31,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 22:59:31,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 22:59:31,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (1/1) ... [2024-10-12 22:59:31,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:59:31,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 22:59:31,846 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) [2024-10-12 22:59:31,848 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 [2024-10-12 22:59:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 22:59:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 22:59:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 22:59:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 22:59:32,310 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 22:59:32,312 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 22:59:40,568 INFO L? ?]: Removed 4619 outVars from TransFormulas that were not future-live. [2024-10-12 22:59:40,568 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 22:59:40,762 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 22:59:40,762 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 22:59:40,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:40 BoogieIcfgContainer [2024-10-12 22:59:40,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 22:59:40,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 22:59:40,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 22:59:40,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 22:59:40,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:59:28" (1/3) ... [2024-10-12 22:59:40,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b488c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:59:40, skipping insertion in model container [2024-10-12 22:59:40,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:59:29" (2/3) ... [2024-10-12 22:59:40,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b488c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:59:40, skipping insertion in model container [2024-10-12 22:59:40,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:40" (3/3) ... [2024-10-12 22:59:40,770 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.3.prop1-func-interl.c [2024-10-12 22:59:40,784 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 22:59:40,784 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 22:59:40,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 22:59:40,880 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;@71456826, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 22:59:40,881 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 22:59:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 3059 states, 3057 states have (on average 1.5001635590448152) internal successors, (4586), 3058 states have internal predecessors, (4586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-12 22:59:40,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:40,910 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:40,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:40,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:40,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1597800287, now seen corresponding path program 1 times [2024-10-12 22:59:40,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:40,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982438225] [2024-10-12 22:59:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:41,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:41,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982438225] [2024-10-12 22:59:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982438225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:41,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:41,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:41,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657129840] [2024-10-12 22:59:41,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:41,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:41,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:41,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:41,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:41,701 INFO L87 Difference]: Start difference. First operand has 3059 states, 3057 states have (on average 1.5001635590448152) internal successors, (4586), 3058 states have internal predecessors, (4586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:41,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:41,866 INFO L93 Difference]: Finished difference Result 5986 states and 8976 transitions. [2024-10-12 22:59:41,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:41,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2024-10-12 22:59:41,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:41,893 INFO L225 Difference]: With dead ends: 5986 [2024-10-12 22:59:41,893 INFO L226 Difference]: Without dead ends: 3060 [2024-10-12 22:59:41,902 INFO L431 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 [2024-10-12 22:59:41,905 INFO L432 NwaCegarLoop]: 4581 mSDtfsCounter, 0 mSDsluCounter, 9157 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13738 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:41,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13738 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:41,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2024-10-12 22:59:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3060. [2024-10-12 22:59:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 3059 states have (on average 1.499182739457339) internal successors, (4586), 3059 states have internal predecessors, (4586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4586 transitions. [2024-10-12 22:59:42,020 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4586 transitions. Word has length 130 [2024-10-12 22:59:42,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:42,021 INFO L471 AbstractCegarLoop]: Abstraction has 3060 states and 4586 transitions. [2024-10-12 22:59:42,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4586 transitions. [2024-10-12 22:59:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-12 22:59:42,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:42,023 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:42,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 22:59:42,024 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:42,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:42,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2009494627, now seen corresponding path program 1 times [2024-10-12 22:59:42,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:42,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003484461] [2024-10-12 22:59:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:42,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:42,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:42,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003484461] [2024-10-12 22:59:42,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003484461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:42,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:42,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:42,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130382206] [2024-10-12 22:59:42,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:42,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:42,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:42,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:42,400 INFO L87 Difference]: Start difference. First operand 3060 states and 4586 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:42,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:42,510 INFO L93 Difference]: Finished difference Result 5989 states and 8976 transitions. [2024-10-12 22:59:42,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:42,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2024-10-12 22:59:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:42,522 INFO L225 Difference]: With dead ends: 5989 [2024-10-12 22:59:42,523 INFO L226 Difference]: Without dead ends: 3062 [2024-10-12 22:59:42,528 INFO L431 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 [2024-10-12 22:59:42,530 INFO L432 NwaCegarLoop]: 4581 mSDtfsCounter, 0 mSDsluCounter, 9154 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13735 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:42,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13735 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:42,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2024-10-12 22:59:42,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 3062. [2024-10-12 22:59:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3061 states have (on average 1.4988565828160731) internal successors, (4588), 3061 states have internal predecessors, (4588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4588 transitions. [2024-10-12 22:59:42,590 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4588 transitions. Word has length 131 [2024-10-12 22:59:42,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:42,591 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4588 transitions. [2024-10-12 22:59:42,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4588 transitions. [2024-10-12 22:59:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-12 22:59:42,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:42,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:42,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 22:59:42,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:42,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:42,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1066826170, now seen corresponding path program 1 times [2024-10-12 22:59:42,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:42,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563004180] [2024-10-12 22:59:42,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:42,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:42,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:42,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563004180] [2024-10-12 22:59:42,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563004180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:42,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:42,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:42,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495254898] [2024-10-12 22:59:42,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:42,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:59:42,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:42,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:59:42,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:59:42,875 INFO L87 Difference]: Start difference. First operand 3062 states and 4588 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:42,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:42,977 INFO L93 Difference]: Finished difference Result 5997 states and 8986 transitions. [2024-10-12 22:59:42,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2024-10-12 22:59:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:42,985 INFO L225 Difference]: With dead ends: 5997 [2024-10-12 22:59:42,985 INFO L226 Difference]: Without dead ends: 3068 [2024-10-12 22:59:42,988 INFO L431 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 [2024-10-12 22:59:42,990 INFO L432 NwaCegarLoop]: 4581 mSDtfsCounter, 4 mSDsluCounter, 9148 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13729 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:42,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13729 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:42,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2024-10-12 22:59:43,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 3068. [2024-10-12 22:59:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3068 states, 3067 states have (on average 1.4985327681773721) internal successors, (4596), 3067 states have internal predecessors, (4596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 4596 transitions. [2024-10-12 22:59:43,200 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 4596 transitions. Word has length 132 [2024-10-12 22:59:43,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:43,201 INFO L471 AbstractCegarLoop]: Abstraction has 3068 states and 4596 transitions. [2024-10-12 22:59:43,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 4596 transitions. [2024-10-12 22:59:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-12 22:59:43,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:43,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:43,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 22:59:43,202 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:43,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:43,203 INFO L85 PathProgramCache]: Analyzing trace with hash -234069359, now seen corresponding path program 1 times [2024-10-12 22:59:43,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:43,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370263401] [2024-10-12 22:59:43,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:43,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:43,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370263401] [2024-10-12 22:59:43,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370263401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:43,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:43,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 22:59:43,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408193915] [2024-10-12 22:59:43,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:43,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 22:59:43,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:43,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 22:59:43,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:59:43,464 INFO L87 Difference]: Start difference. First operand 3068 states and 4596 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:43,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:43,538 INFO L93 Difference]: Finished difference Result 6007 states and 8998 transitions. [2024-10-12 22:59:43,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:59:43,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2024-10-12 22:59:43,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:43,546 INFO L225 Difference]: With dead ends: 6007 [2024-10-12 22:59:43,547 INFO L226 Difference]: Without dead ends: 3072 [2024-10-12 22:59:43,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:59:43,550 INFO L432 NwaCegarLoop]: 4581 mSDtfsCounter, 0 mSDsluCounter, 9148 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13729 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:43,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13729 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:59:43,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2024-10-12 22:59:43,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3068. [2024-10-12 22:59:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3068 states, 3067 states have (on average 1.4985327681773721) internal successors, (4596), 3067 states have internal predecessors, (4596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 4596 transitions. [2024-10-12 22:59:43,595 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 4596 transitions. Word has length 133 [2024-10-12 22:59:43,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:43,596 INFO L471 AbstractCegarLoop]: Abstraction has 3068 states and 4596 transitions. [2024-10-12 22:59:43,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 4596 transitions. [2024-10-12 22:59:43,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-12 22:59:43,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:43,597 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:43,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 22:59:43,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:43,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:43,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2052295213, now seen corresponding path program 1 times [2024-10-12 22:59:43,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:43,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160569212] [2024-10-12 22:59:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:43,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:43,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160569212] [2024-10-12 22:59:43,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160569212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:43,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:43,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 22:59:43,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039988122] [2024-10-12 22:59:43,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:43,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 22:59:43,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:43,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 22:59:43,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 22:59:43,813 INFO L87 Difference]: Start difference. First operand 3068 states and 4596 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:45,879 INFO L93 Difference]: Finished difference Result 12892 states and 19314 transitions. [2024-10-12 22:59:45,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 22:59:45,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-10-12 22:59:45,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:45,893 INFO L225 Difference]: With dead ends: 12892 [2024-10-12 22:59:45,894 INFO L226 Difference]: Without dead ends: 5519 [2024-10-12 22:59:45,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-12 22:59:45,902 INFO L432 NwaCegarLoop]: 4388 mSDtfsCounter, 12778 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12778 SdHoareTripleChecker+Valid, 20609 SdHoareTripleChecker+Invalid, 2667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:45,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12778 Valid, 20609 Invalid, 2667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-12 22:59:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5519 states. [2024-10-12 22:59:45,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5519 to 3166. [2024-10-12 22:59:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 3165 states have (on average 1.49826224328594) internal successors, (4742), 3165 states have internal predecessors, (4742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4742 transitions. [2024-10-12 22:59:45,952 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4742 transitions. Word has length 134 [2024-10-12 22:59:45,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:45,953 INFO L471 AbstractCegarLoop]: Abstraction has 3166 states and 4742 transitions. [2024-10-12 22:59:45,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4742 transitions. [2024-10-12 22:59:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-12 22:59:45,954 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:45,954 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:45,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 22:59:45,954 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:45,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:45,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1249416632, now seen corresponding path program 1 times [2024-10-12 22:59:45,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:45,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091998218] [2024-10-12 22:59:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:45,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:47,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:47,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091998218] [2024-10-12 22:59:47,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091998218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:47,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:47,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 22:59:47,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548506999] [2024-10-12 22:59:47,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:47,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 22:59:47,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:47,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 22:59:47,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-12 22:59:47,712 INFO L87 Difference]: Start difference. First operand 3166 states and 4742 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:50,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:50,118 INFO L93 Difference]: Finished difference Result 8586 states and 12860 transitions. [2024-10-12 22:59:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 22:59:50,118 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 135 [2024-10-12 22:59:50,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:50,131 INFO L225 Difference]: With dead ends: 8586 [2024-10-12 22:59:50,131 INFO L226 Difference]: Without dead ends: 5651 [2024-10-12 22:59:50,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-12 22:59:50,134 INFO L432 NwaCegarLoop]: 3581 mSDtfsCounter, 7619 mSDsluCounter, 14261 mSDsCounter, 0 mSdLazyCounter, 4406 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7619 SdHoareTripleChecker+Valid, 17842 SdHoareTripleChecker+Invalid, 4430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 4406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:50,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7619 Valid, 17842 Invalid, 4430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 4406 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 22:59:50,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5651 states. [2024-10-12 22:59:50,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5651 to 3169. [2024-10-12 22:59:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3169 states, 3168 states have (on average 1.4981060606060606) internal successors, (4746), 3168 states have internal predecessors, (4746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 3169 states and 4746 transitions. [2024-10-12 22:59:50,172 INFO L78 Accepts]: Start accepts. Automaton has 3169 states and 4746 transitions. Word has length 135 [2024-10-12 22:59:50,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:50,172 INFO L471 AbstractCegarLoop]: Abstraction has 3169 states and 4746 transitions. [2024-10-12 22:59:50,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 4746 transitions. [2024-10-12 22:59:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-12 22:59:50,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:50,174 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:50,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 22:59:50,174 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:50,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:50,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1440728300, now seen corresponding path program 1 times [2024-10-12 22:59:50,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:50,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954516467] [2024-10-12 22:59:50,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:50,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:51,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:51,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954516467] [2024-10-12 22:59:51,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954516467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:51,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:51,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 22:59:51,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775594125] [2024-10-12 22:59:51,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:51,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 22:59:51,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 22:59:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-12 22:59:51,560 INFO L87 Difference]: Start difference. First operand 3169 states and 4746 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:54,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:54,927 INFO L93 Difference]: Finished difference Result 8544 states and 12796 transitions. [2024-10-12 22:59:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 22:59:54,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2024-10-12 22:59:54,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:54,941 INFO L225 Difference]: With dead ends: 8544 [2024-10-12 22:59:54,941 INFO L226 Difference]: Without dead ends: 5609 [2024-10-12 22:59:54,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-12 22:59:54,947 INFO L432 NwaCegarLoop]: 3597 mSDtfsCounter, 3824 mSDsluCounter, 17465 mSDsCounter, 0 mSdLazyCounter, 5609 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 21062 SdHoareTripleChecker+Invalid, 5635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 5609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:54,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 21062 Invalid, 5635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 5609 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-12 22:59:54,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5609 states. [2024-10-12 22:59:54,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5609 to 3173. [2024-10-12 22:59:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3173 states, 3172 states have (on average 1.4977931904161412) internal successors, (4751), 3172 states have internal predecessors, (4751), 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) [2024-10-12 22:59:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 4751 transitions. [2024-10-12 22:59:54,994 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 4751 transitions. Word has length 136 [2024-10-12 22:59:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:54,994 INFO L471 AbstractCegarLoop]: Abstraction has 3173 states and 4751 transitions. [2024-10-12 22:59:54,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 4751 transitions. [2024-10-12 22:59:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-12 22:59:54,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:54,996 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:54,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 22:59:54,996 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:54,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:54,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1827018960, now seen corresponding path program 1 times [2024-10-12 22:59:54,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:54,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608551121] [2024-10-12 22:59:54,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:54,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:55,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:55,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608551121] [2024-10-12 22:59:55,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608551121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:55,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:55,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:59:55,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675902912] [2024-10-12 22:59:55,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:55,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 22:59:55,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:55,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 22:59:55,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:59:55,188 INFO L87 Difference]: Start difference. First operand 3173 states and 4751 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:58,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:59:58,052 INFO L93 Difference]: Finished difference Result 8924 states and 13366 transitions. [2024-10-12 22:59:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 22:59:58,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2024-10-12 22:59:58,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:59:58,062 INFO L225 Difference]: With dead ends: 8924 [2024-10-12 22:59:58,062 INFO L226 Difference]: Without dead ends: 5989 [2024-10-12 22:59:58,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-12 22:59:58,067 INFO L432 NwaCegarLoop]: 3318 mSDtfsCounter, 4441 mSDsluCounter, 9815 mSDsCounter, 0 mSdLazyCounter, 5004 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4441 SdHoareTripleChecker+Valid, 13133 SdHoareTripleChecker+Invalid, 5005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-12 22:59:58,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4441 Valid, 13133 Invalid, 5005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5004 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-12 22:59:58,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5989 states. [2024-10-12 22:59:58,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5989 to 3177. [2024-10-12 22:59:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3176 states have (on average 1.4971662468513853) internal successors, (4755), 3176 states have internal predecessors, (4755), 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) [2024-10-12 22:59:58,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4755 transitions. [2024-10-12 22:59:58,123 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4755 transitions. Word has length 136 [2024-10-12 22:59:58,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:59:58,123 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 4755 transitions. [2024-10-12 22:59:58,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 22:59:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4755 transitions. [2024-10-12 22:59:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-12 22:59:58,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:59:58,125 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:59:58,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 22:59:58,125 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:59:58,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:59:58,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1036997904, now seen corresponding path program 1 times [2024-10-12 22:59:58,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:59:58,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640613924] [2024-10-12 22:59:58,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:59:58,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:59:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:59:58,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:59:58,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:59:58,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640613924] [2024-10-12 22:59:58,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640613924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:59:58,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:59:58,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 22:59:58,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241750591] [2024-10-12 22:59:58,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:59:58,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 22:59:58,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:59:58,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 22:59:58,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 22:59:58,463 INFO L87 Difference]: Start difference. First operand 3177 states and 4755 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:00:00,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:00:00,826 INFO L93 Difference]: Finished difference Result 6127 states and 9173 transitions. [2024-10-12 23:00:00,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 23:00:00,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137 [2024-10-12 23:00:00,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:00:00,834 INFO L225 Difference]: With dead ends: 6127 [2024-10-12 23:00:00,834 INFO L226 Difference]: Without dead ends: 3192 [2024-10-12 23:00:00,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-12 23:00:00,838 INFO L432 NwaCegarLoop]: 3305 mSDtfsCounter, 4476 mSDsluCounter, 9904 mSDsCounter, 0 mSdLazyCounter, 5126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4476 SdHoareTripleChecker+Valid, 13209 SdHoareTripleChecker+Invalid, 5127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 23:00:00,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4476 Valid, 13209 Invalid, 5127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5126 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 23:00:00,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3192 states. [2024-10-12 23:00:00,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 3190. [2024-10-12 23:00:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3190 states, 3189 states have (on average 1.495766698024459) internal successors, (4770), 3189 states have internal predecessors, (4770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:00:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3190 states to 3190 states and 4770 transitions. [2024-10-12 23:00:00,877 INFO L78 Accepts]: Start accepts. Automaton has 3190 states and 4770 transitions. Word has length 137 [2024-10-12 23:00:00,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:00:00,877 INFO L471 AbstractCegarLoop]: Abstraction has 3190 states and 4770 transitions. [2024-10-12 23:00:00,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:00:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3190 states and 4770 transitions. [2024-10-12 23:00:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-12 23:00:00,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:00:00,878 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:00:00,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 23:00:00,879 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:00:00,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:00:00,879 INFO L85 PathProgramCache]: Analyzing trace with hash 878770347, now seen corresponding path program 1 times [2024-10-12 23:00:00,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:00:00,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336293477] [2024-10-12 23:00:00,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:00:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:00:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:00:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:00:01,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:00:01,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336293477] [2024-10-12 23:00:01,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336293477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:00:01,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:00:01,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:00:01,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703759066] [2024-10-12 23:00:01,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:00:01,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 23:00:01,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:00:01,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 23:00:01,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:00:01,069 INFO L87 Difference]: Start difference. First operand 3190 states and 4770 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-10-12 23:00:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:00:03,864 INFO L93 Difference]: Finished difference Result 8484 states and 12692 transitions. [2024-10-12 23:00:03,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 23:00:03,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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 138 [2024-10-12 23:00:03,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:00:03,874 INFO L225 Difference]: With dead ends: 8484 [2024-10-12 23:00:03,875 INFO L226 Difference]: Without dead ends: 5532 [2024-10-12 23:00:03,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-12 23:00:03,880 INFO L432 NwaCegarLoop]: 3471 mSDtfsCounter, 3738 mSDsluCounter, 9812 mSDsCounter, 0 mSdLazyCounter, 4854 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3738 SdHoareTripleChecker+Valid, 13283 SdHoareTripleChecker+Invalid, 4854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-12 23:00:03,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3738 Valid, 13283 Invalid, 4854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4854 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-12 23:00:03,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5532 states. [2024-10-12 23:00:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5532 to 3188. [2024-10-12 23:00:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3188 states, 3187 states have (on average 1.4957640414182616) internal successors, (4767), 3187 states have internal predecessors, (4767), 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) [2024-10-12 23:00:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 3188 states and 4767 transitions. [2024-10-12 23:00:03,937 INFO L78 Accepts]: Start accepts. Automaton has 3188 states and 4767 transitions. Word has length 138 [2024-10-12 23:00:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:00:03,937 INFO L471 AbstractCegarLoop]: Abstraction has 3188 states and 4767 transitions. [2024-10-12 23:00:03,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-10-12 23:00:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 4767 transitions. [2024-10-12 23:00:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-12 23:00:03,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:00:03,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:00:03,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-12 23:00:03,939 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:00:03,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:00:03,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1893456239, now seen corresponding path program 1 times [2024-10-12 23:00:03,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:00:03,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774861227] [2024-10-12 23:00:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:00:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:00:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 23:00:04,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 23:00:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 23:00:04,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 23:00:04,127 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 23:00:04,128 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 23:00:04,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 23:00:04,132 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:00:04,237 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 23:00:04,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:00:04 BoogieIcfgContainer [2024-10-12 23:00:04,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 23:00:04,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 23:00:04,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 23:00:04,241 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 23:00:04,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:59:40" (3/4) ... [2024-10-12 23:00:04,243 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 23:00:04,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 23:00:04,245 INFO L158 Benchmark]: Toolchain (without parser) took 35314.16ms. Allocated memory was 264.2MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 190.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-10-12 23:00:04,245 INFO L158 Benchmark]: CDTParser took 3.83ms. Allocated memory is still 132.1MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 23:00:04,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.53ms. Allocated memory is still 264.2MB. Free memory was 190.8MB in the beginning and 180.5MB in the end (delta: 10.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-10-12 23:00:04,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 942.05ms. Allocated memory was 264.2MB in the beginning and 595.6MB in the end (delta: 331.4MB). Free memory was 180.5MB in the beginning and 387.3MB in the end (delta: -206.9MB). Peak memory consumption was 195.2MB. Max. memory is 16.1GB. [2024-10-12 23:00:04,245 INFO L158 Benchmark]: Boogie Preprocessor took 1062.44ms. Allocated memory is still 595.6MB. Free memory was 387.3MB in the beginning and 324.0MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-12 23:00:04,246 INFO L158 Benchmark]: RCFGBuilder took 8956.90ms. Allocated memory was 595.6MB in the beginning and 3.7GB in the end (delta: 3.1GB). Free memory was 324.0MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 417.8MB. Max. memory is 16.1GB. [2024-10-12 23:00:04,246 INFO L158 Benchmark]: TraceAbstraction took 23476.69ms. Allocated memory is still 3.7GB. Free memory was 3.2GB in the beginning and 1.2GB in the end (delta: 2.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-10-12 23:00:04,246 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 3.7GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 23:00:04,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.83ms. Allocated memory is still 132.1MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.53ms. Allocated memory is still 264.2MB. Free memory was 190.8MB in the beginning and 180.5MB in the end (delta: 10.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 942.05ms. Allocated memory was 264.2MB in the beginning and 595.6MB in the end (delta: 331.4MB). Free memory was 180.5MB in the beginning and 387.3MB in the end (delta: -206.9MB). Peak memory consumption was 195.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1062.44ms. Allocated memory is still 595.6MB. Free memory was 387.3MB in the beginning and 324.0MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8956.90ms. Allocated memory was 595.6MB in the beginning and 3.7GB in the end (delta: 3.1GB). Free memory was 324.0MB in the beginning and 3.2GB in the end (delta: -2.9GB). Peak memory consumption was 417.8MB. Max. memory is 16.1GB. * TraceAbstraction took 23476.69ms. Allocated memory is still 3.7GB. Free memory was 3.2GB in the beginning and 1.2GB in the end (delta: 2.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 3.7GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 296. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_86 = 2; [L43] const SORT_2 var_88 = 1; [L44] const SORT_2 var_90 = 0; [L45] const SORT_2 var_137 = 255; [L46] const SORT_2 var_144 = 24; [L47] const SORT_2 var_151 = 14; [L48] const SORT_2 var_158 = 6; [L49] const SORT_3 var_315 = 0; [L50] const SORT_4 var_317 = 24; [L51] const SORT_4 var_339 = 14; [L52] const SORT_4 var_361 = 6; [L54] SORT_1 input_85; [L55] SORT_1 input_87; [L56] SORT_1 input_89; [L57] SORT_1 input_91; [L58] SORT_1 input_97; [L59] SORT_1 input_100; [L60] SORT_1 input_101; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_109; [L64] SORT_1 input_112; [L65] SORT_1 input_113; [L66] SORT_1 input_114; [L67] SORT_1 input_115; [L68] SORT_1 input_121; [L69] SORT_1 input_124; [L70] SORT_1 input_125; [L71] SORT_1 input_126; [L72] SORT_1 input_127; [L73] SORT_1 input_133; [L74] SORT_1 input_136; [L75] SORT_1 input_143; [L76] SORT_1 input_150; [L77] SORT_1 input_157; [L78] SORT_1 input_164; [L79] SORT_1 input_172; [L80] SORT_1 input_174; [L81] SORT_1 input_186; [L82] SORT_1 input_194; [L83] SORT_1 input_196; [L84] SORT_1 input_208; [L85] SORT_1 input_216; [L86] SORT_1 input_218; [L87] SORT_1 input_230; [L88] SORT_1 input_238; [L89] SORT_1 input_240; [L90] SORT_1 input_252; [L91] SORT_1 input_267; [L92] SORT_1 input_282; [L93] SORT_1 input_297; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L95] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L96] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L97] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L98] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L99] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L100] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L101] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L102] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L103] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L104] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L105] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L106] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L107] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L108] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L109] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L110] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L111] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L112] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L113] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L114] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L115] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L116] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L117] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L118] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L119] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L120] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L121] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L122] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L123] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L124] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L125] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L126] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_137=255, var_144=24, var_151=14, var_158=6, var_30=0, var_315=0, var_317=24, var_339=14, var_361=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L127] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_2 init_7_arg_1 = var_5; [L130] state_6 = init_7_arg_1 [L131] SORT_2 init_9_arg_1 = var_5; [L132] state_8 = init_9_arg_1 [L133] SORT_2 init_11_arg_1 = var_5; [L134] state_10 = init_11_arg_1 [L135] SORT_2 init_13_arg_1 = var_5; [L136] state_12 = init_13_arg_1 [L137] SORT_2 init_15_arg_1 = var_5; [L138] state_14 = init_15_arg_1 [L139] SORT_2 init_17_arg_1 = var_5; [L140] state_16 = init_17_arg_1 [L141] SORT_2 init_19_arg_1 = var_5; [L142] state_18 = init_19_arg_1 [L143] SORT_2 init_21_arg_1 = var_5; [L144] state_20 = init_21_arg_1 [L145] SORT_2 init_23_arg_1 = var_5; [L146] state_22 = init_23_arg_1 [L147] SORT_2 init_25_arg_1 = var_5; [L148] state_24 = init_25_arg_1 [L149] SORT_2 init_27_arg_1 = var_5; [L150] state_26 = init_27_arg_1 [L151] SORT_2 init_29_arg_1 = var_5; [L152] state_28 = init_29_arg_1 [L153] SORT_1 init_32_arg_1 = var_30; [L154] state_31 = init_32_arg_1 [L155] SORT_1 init_34_arg_1 = var_30; [L156] state_33 = init_34_arg_1 [L157] SORT_1 init_36_arg_1 = var_30; [L158] state_35 = init_36_arg_1 [L159] SORT_1 init_38_arg_1 = var_30; [L160] state_37 = init_38_arg_1 [L161] SORT_1 init_40_arg_1 = var_30; [L162] state_39 = init_40_arg_1 [L163] SORT_1 init_42_arg_1 = var_30; [L164] state_41 = init_42_arg_1 [L165] SORT_1 init_44_arg_1 = var_30; [L166] state_43 = init_44_arg_1 [L167] SORT_1 init_46_arg_1 = var_30; [L168] state_45 = init_46_arg_1 [L169] SORT_1 init_48_arg_1 = var_30; [L170] state_47 = init_48_arg_1 [L171] SORT_1 init_50_arg_1 = var_30; [L172] state_49 = init_50_arg_1 [L173] SORT_1 init_52_arg_1 = var_30; [L174] state_51 = init_52_arg_1 [L175] SORT_1 init_54_arg_1 = var_30; [L176] state_53 = init_54_arg_1 [L177] SORT_1 init_56_arg_1 = var_30; [L178] state_55 = init_56_arg_1 [L179] SORT_1 init_58_arg_1 = var_30; [L180] state_57 = init_58_arg_1 [L181] SORT_1 init_60_arg_1 = var_30; [L182] state_59 = init_60_arg_1 [L183] SORT_1 init_62_arg_1 = var_30; [L184] state_61 = init_62_arg_1 [L185] SORT_1 init_64_arg_1 = var_30; [L186] state_63 = init_64_arg_1 [L187] SORT_1 init_66_arg_1 = var_30; [L188] state_65 = init_66_arg_1 [L189] SORT_1 init_68_arg_1 = var_30; [L190] state_67 = init_68_arg_1 [L191] SORT_1 init_70_arg_1 = var_30; [L192] state_69 = init_70_arg_1 [L193] SORT_1 init_72_arg_1 = var_30; [L194] state_71 = init_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L197] input_85 = __VERIFIER_nondet_uchar() [L198] EXPR input_85 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L198] input_85 = input_85 & mask_SORT_1 [L199] input_87 = __VERIFIER_nondet_uchar() [L200] EXPR input_87 & mask_SORT_1 VAL [input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L200] input_87 = input_87 & mask_SORT_1 [L201] input_89 = __VERIFIER_nondet_uchar() [L202] EXPR input_89 & mask_SORT_1 VAL [input_85=0, input_87=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L202] input_89 = input_89 & mask_SORT_1 [L203] input_91 = __VERIFIER_nondet_uchar() [L204] EXPR input_91 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L204] input_91 = input_91 & mask_SORT_1 [L205] input_97 = __VERIFIER_nondet_uchar() [L206] EXPR input_97 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L206] input_97 = input_97 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_101 = __VERIFIER_nondet_uchar() [L210] EXPR input_101 & mask_SORT_1 VAL [input_100=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L210] input_101 = input_101 & mask_SORT_1 [L211] input_102 = __VERIFIER_nondet_uchar() [L212] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_101=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L212] input_102 = input_102 & mask_SORT_1 [L213] input_103 = __VERIFIER_nondet_uchar() [L214] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L214] input_103 = input_103 & mask_SORT_1 [L215] input_109 = __VERIFIER_nondet_uchar() [L216] EXPR input_109 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L216] input_109 = input_109 & mask_SORT_1 [L217] input_112 = __VERIFIER_nondet_uchar() [L218] EXPR input_112 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L218] input_112 = input_112 & mask_SORT_1 [L219] input_113 = __VERIFIER_nondet_uchar() [L220] EXPR input_113 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L220] input_113 = input_113 & mask_SORT_1 [L221] input_114 = __VERIFIER_nondet_uchar() [L222] EXPR input_114 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L222] input_114 = input_114 & mask_SORT_1 [L223] input_115 = __VERIFIER_nondet_uchar() [L224] EXPR input_115 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L224] input_115 = input_115 & mask_SORT_1 [L225] input_121 = __VERIFIER_nondet_uchar() [L226] EXPR input_121 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L226] input_121 = input_121 & mask_SORT_1 [L227] input_124 = __VERIFIER_nondet_uchar() [L228] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L228] input_124 = input_124 & mask_SORT_1 [L229] input_125 = __VERIFIER_nondet_uchar() [L230] EXPR input_125 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L230] input_125 = input_125 & mask_SORT_1 [L231] input_126 = __VERIFIER_nondet_uchar() [L232] EXPR input_126 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L232] input_126 = input_126 & mask_SORT_1 [L233] input_127 = __VERIFIER_nondet_uchar() [L234] EXPR input_127 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L234] input_127 = input_127 & mask_SORT_1 [L235] input_133 = __VERIFIER_nondet_uchar() [L236] EXPR input_133 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L236] input_133 = input_133 & mask_SORT_1 [L237] input_136 = __VERIFIER_nondet_uchar() [L238] EXPR input_136 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L238] input_136 = input_136 & mask_SORT_1 [L239] input_143 = __VERIFIER_nondet_uchar() [L240] EXPR input_143 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L240] input_143 = input_143 & mask_SORT_1 [L241] input_150 = __VERIFIER_nondet_uchar() [L242] EXPR input_150 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L242] input_150 = input_150 & mask_SORT_1 [L243] input_157 = __VERIFIER_nondet_uchar() [L244] EXPR input_157 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L244] input_157 = input_157 & mask_SORT_1 [L245] input_164 = __VERIFIER_nondet_uchar() [L246] input_172 = __VERIFIER_nondet_uchar() [L247] input_174 = __VERIFIER_nondet_uchar() [L248] input_186 = __VERIFIER_nondet_uchar() [L249] input_194 = __VERIFIER_nondet_uchar() [L250] input_196 = __VERIFIER_nondet_uchar() [L251] input_208 = __VERIFIER_nondet_uchar() [L252] input_216 = __VERIFIER_nondet_uchar() [L253] input_218 = __VERIFIER_nondet_uchar() [L254] input_230 = __VERIFIER_nondet_uchar() [L255] input_238 = __VERIFIER_nondet_uchar() [L256] input_240 = __VERIFIER_nondet_uchar() [L257] input_252 = __VERIFIER_nondet_uchar() [L258] input_267 = __VERIFIER_nondet_uchar() [L259] input_282 = __VERIFIER_nondet_uchar() [L260] input_297 = __VERIFIER_nondet_uchar() [L263] SORT_1 var_75_arg_0 = ~state_33; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_75_arg_0=-1, var_86=2, var_88=1, var_90=0] [L264] EXPR var_75_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L264] var_75_arg_0 = var_75_arg_0 & mask_SORT_1 [L265] SORT_4 var_75_arg_1 = var_73; [L266] SORT_4 var_75_arg_2 = var_74; [L267] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L268] SORT_1 var_76_arg_0 = state_39; [L269] SORT_4 var_76_arg_1 = var_73; [L270] SORT_4 var_76_arg_2 = var_74; [L271] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L272] SORT_4 var_77_arg_0 = var_75; [L273] SORT_4 var_77_arg_1 = var_76; [L274] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L275] SORT_1 var_78_arg_0 = state_45; [L276] SORT_4 var_78_arg_1 = var_73; [L277] SORT_4 var_78_arg_2 = var_74; [L278] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L279] SORT_4 var_79_arg_0 = var_77; [L280] SORT_4 var_79_arg_1 = var_78; [L281] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L282] SORT_1 var_80_arg_0 = state_51; [L283] SORT_4 var_80_arg_1 = var_73; [L284] SORT_4 var_80_arg_2 = var_74; [L285] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L286] SORT_4 var_81_arg_0 = var_79; [L287] SORT_4 var_81_arg_1 = var_80; [L288] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_81=0, var_86=2, var_88=1, var_90=0] [L289] EXPR var_81 & mask_SORT_4 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L289] var_81 = var_81 & mask_SORT_4 [L290] SORT_4 var_82_arg_0 = var_81; [L291] SORT_4 var_82_arg_1 = var_73; [L292] SORT_1 var_82 = var_82_arg_0 <= var_82_arg_1; [L293] SORT_1 var_83_arg_0 = ~state_71; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_82=1, var_83_arg_0=-1, var_86=2, var_88=1, var_90=0] [L294] EXPR var_83_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_82=1, var_86=2, var_88=1, var_90=0] [L294] var_83_arg_0 = var_83_arg_0 & mask_SORT_1 [L295] SORT_1 var_83_arg_1 = ~var_82; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_83_arg_0=1, var_83_arg_1=-2, var_86=2, var_88=1, var_90=0] [L296] EXPR var_83_arg_1 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_83_arg_0=1, var_86=2, var_88=1, var_90=0] [L296] var_83_arg_1 = var_83_arg_1 & mask_SORT_1 [L297] EXPR var_83_arg_0 & var_83_arg_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L297] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L298] EXPR var_83 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_143=0, input_150=0, input_157=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_137=255, var_144=24, var_151=14, var_158=6, var_315=0, var_317=24, var_339=14, var_361=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L298] var_83 = var_83 & mask_SORT_1 [L299] SORT_1 bad_84_arg_0 = var_83; [L300] CALL __VERIFIER_assert(!(bad_84_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3059 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36880 SdHoareTripleChecker+Valid, 15.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36880 mSDsluCounter, 154069 SdHoareTripleChecker+Invalid, 12.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114085 mSDsCounter, 459 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27334 IncrementalHoareTripleChecker+Invalid, 27793 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 459 mSolverCounterUnsat, 39984 mSDtfsCounter, 27334 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3190occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 12433 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1480 NumberOfCodeBlocks, 1480 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 7594 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-12 23:00:04,286 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/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 23:00:06,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 23:00:06,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-12 23:00:06,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 23:00:06,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 23:00:06,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 23:00:06,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 23:00:06,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 23:00:06,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 23:00:06,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 23:00:06,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 23:00:06,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 23:00:06,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 23:00:06,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 23:00:06,649 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 23:00:06,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 23:00:06,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 23:00:06,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 23:00:06,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 23:00:06,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 23:00:06,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 23:00:06,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 23:00:06,652 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 23:00:06,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 23:00:06,652 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 23:00:06,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 23:00:06,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 23:00:06,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 23:00:06,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 23:00:06,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 23:00:06,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 23:00:06,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:00:06,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 23:00:06,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 23:00:06,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 23:00:06,656 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 23:00:06,656 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 23:00:06,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 23:00:06,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 23:00:06,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 23:00:06,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 23:00:06,658 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 23:00:06,658 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b76d2881c41003f93f721006cc28cb9b8714f74ae87f333cca78ffb32dd54987 [2024-10-12 23:00:06,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 23:00:06,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 23:00:06,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 23:00:06,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 23:00:06,976 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 23:00:06,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2024-10-12 23:00:08,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 23:00:08,688 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 23:00:08,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c [2024-10-12 23:00:08,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58368eba9/0d130cc452434927a8194234ff9e452e/FLAG055daf194 [2024-10-12 23:00:08,718 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58368eba9/0d130cc452434927a8194234ff9e452e [2024-10-12 23:00:08,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 23:00:08,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 23:00:08,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 23:00:08,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 23:00:08,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 23:00:08,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:00:08" (1/1) ... [2024-10-12 23:00:08,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af991a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:08, skipping insertion in model container [2024-10-12 23:00:08,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:00:08" (1/1) ... [2024-10-12 23:00:08,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 23:00:08,956 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c[1171,1184] [2024-10-12 23:00:09,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:00:09,207 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 23:00:09,215 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-func-interl.c[1171,1184] [2024-10-12 23:00:09,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:00:09,338 INFO L204 MainTranslator]: Completed translation [2024-10-12 23:00:09,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09 WrapperNode [2024-10-12 23:00:09,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 23:00:09,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 23:00:09,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 23:00:09,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 23:00:09,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,510 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2375 [2024-10-12 23:00:09,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 23:00:09,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 23:00:09,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 23:00:09,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 23:00:09,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,535 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,582 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]. [2024-10-12 23:00:09,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 23:00:09,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 23:00:09,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 23:00:09,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 23:00:09,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (1/1) ... [2024-10-12 23:00:09,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:00:09,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 23:00:09,774 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) [2024-10-12 23:00:09,785 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 [2024-10-12 23:00:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 23:00:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 23:00:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 23:00:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 23:00:10,170 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 23:00:10,171 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 23:00:12,386 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-10-12 23:00:12,390 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 23:00:12,524 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 23:00:12,524 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 23:00:12,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:00:12 BoogieIcfgContainer [2024-10-12 23:00:12,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 23:00:12,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 23:00:12,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 23:00:12,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 23:00:12,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:00:08" (1/3) ... [2024-10-12 23:00:12,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624cb2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:00:12, skipping insertion in model container [2024-10-12 23:00:12,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:00:09" (2/3) ... [2024-10-12 23:00:12,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624cb2bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:00:12, skipping insertion in model container [2024-10-12 23:00:12,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:00:12" (3/3) ... [2024-10-12 23:00:12,540 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.3.prop1-func-interl.c [2024-10-12 23:00:12,567 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 23:00:12,567 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 23:00:12,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 23:00:12,674 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;@114cfbc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 23:00:12,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 23:00:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:00:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-12 23:00:12,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:00:12,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-12 23:00:12,695 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:00:12,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:00:12,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-12 23:00:12,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 23:00:12,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301497643] [2024-10-12 23:00:12,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:00:12,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:00:12,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 23:00:12,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 23:00:12,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-12 23:00:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:00:13,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-12 23:00:13,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 23:00:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:00:13,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 23:00:13,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 23:00:13,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301497643] [2024-10-12 23:00:13,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301497643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:00:13,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:00:13,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 23:00:13,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43902665] [2024-10-12 23:00:13,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:00:13,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:00:13,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 23:00:13,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:00:13,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:00:13,353 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:00:13,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:00:13,501 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-12 23:00:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:00:13,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-12 23:00:13,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:00:13,510 INFO L225 Difference]: With dead ends: 15 [2024-10-12 23:00:13,510 INFO L226 Difference]: Without dead ends: 9 [2024-10-12 23:00:13,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:00:13,514 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 23:00:13,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 23:00:13,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-12 23:00:13,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-12 23:00:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:00:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-12 23:00:13,535 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-12 23:00:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:00:13,536 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-12 23:00:13,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:00:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-12 23:00:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-12 23:00:13,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:00:13,537 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-12 23:00:13,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-12 23:00:13,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:00:13,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:00:13,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:00:13,742 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-12 23:00:13,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 23:00:13,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703525619] [2024-10-12 23:00:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:00:13,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:00:13,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 23:00:13,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 23:00:13,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-12 23:00:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:00:14,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-12 23:00:14,450 INFO L278 TraceCheckSpWp]: Computing forward predicates...