./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.anderson.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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.anderson.4.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 eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:25:01,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:25:01,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 05:25:01,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:25:01,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:25:01,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:25:01,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:25:01,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:25:01,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:25:01,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:25:01,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:25:01,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:25:01,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:25:01,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:25:01,798 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:25:01,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:25:01,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:25:01,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 05:25:01,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:25:01,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:25:01,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:25:01,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:25:01,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:25:01,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:25:01,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:25:01,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:25:01,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:25:01,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:25:01,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:25:01,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:25:01,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:25:01,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:25:01,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:25:01,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 05:25:01,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 05:25:01,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:25:01,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:25:01,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:25:01,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:25:01,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 [2024-10-14 05:25:02,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:25:02,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:25:02,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:25:02,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:25:02,086 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:25:02,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-10-14 05:25:03,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:25:04,073 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:25:04,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-10-14 05:25:04,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e3f6a5e/2b4f68bbb6054f879506bf21defe692c/FLAG3d753c937 [2024-10-14 05:25:04,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e3f6a5e/2b4f68bbb6054f879506bf21defe692c [2024-10-14 05:25:04,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:25:04,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:25:04,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:25:04,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:25:04,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:25:04,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:04,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390668a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04, skipping insertion in model container [2024-10-14 05:25:04,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:04,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:25:04,380 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-10-14 05:25:04,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:25:04,796 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:25:04,806 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-10-14 05:25:04,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:25:04,949 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:25:04,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04 WrapperNode [2024-10-14 05:25:04,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:25:04,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:25:04,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:25:04,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:25:04,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:05,006 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:05,791 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6359 [2024-10-14 05:25:05,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:25:05,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:25:05,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:25:05,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:25:05,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:05,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:06,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:06,279 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]. [2024-10-14 05:25:06,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:06,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:06,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:06,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:06,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:06,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:07,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:25:07,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:25:07,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:25:07,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:25:07,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (1/1) ... [2024-10-14 05:25:07,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:25:07,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:25:07,080 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) [2024-10-14 05:25:07,085 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 [2024-10-14 05:25:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:25:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 05:25:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:25:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:25:07,666 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:25:07,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:25:13,848 INFO L? ?]: Removed 3510 outVars from TransFormulas that were not future-live. [2024-10-14 05:25:13,848 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:25:13,934 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:25:13,935 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 05:25:13,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:25:13 BoogieIcfgContainer [2024-10-14 05:25:13,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:25:13,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:25:13,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:25:13,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:25:13,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:25:04" (1/3) ... [2024-10-14 05:25:13,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffa71c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:25:13, skipping insertion in model container [2024-10-14 05:25:13,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:04" (2/3) ... [2024-10-14 05:25:13,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffa71c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:25:13, skipping insertion in model container [2024-10-14 05:25:13,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:25:13" (3/3) ... [2024-10-14 05:25:13,943 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-10-14 05:25:13,958 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:25:13,958 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 05:25:14,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:25:14,039 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;@1cf8356d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:25:14,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 05:25:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 2217 states, 2215 states have (on average 1.5042889390519187) internal successors, (3332), 2216 states have internal predecessors, (3332), 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) [2024-10-14 05:25:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 05:25:14,058 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:14,058 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] [2024-10-14 05:25:14,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:14,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1164956041, now seen corresponding path program 1 times [2024-10-14 05:25:14,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:25:14,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261603943] [2024-10-14 05:25:14,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:14,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:25:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:25:14,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:25:14,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261603943] [2024-10-14 05:25:14,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261603943] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:14,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:14,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:25:14,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904546266] [2024-10-14 05:25:14,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:14,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:25:14,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:25:14,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:25:14,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:25:14,688 INFO L87 Difference]: Start difference. First operand has 2217 states, 2215 states have (on average 1.5042889390519187) internal successors, (3332), 2216 states have internal predecessors, (3332), 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 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:25:14,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:14,916 INFO L93 Difference]: Finished difference Result 4314 states and 6486 transitions. [2024-10-14 05:25:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:25:14,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 05:25:14,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:14,946 INFO L225 Difference]: With dead ends: 4314 [2024-10-14 05:25:14,946 INFO L226 Difference]: Without dead ends: 2218 [2024-10-14 05:25:14,953 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 [2024-10-14 05:25:14,957 INFO L432 NwaCegarLoop]: 3327 mSDtfsCounter, 0 mSDsluCounter, 6649 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9976 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 [2024-10-14 05:25:14,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9976 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:25:14,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2024-10-14 05:25:15,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2218. [2024-10-14 05:25:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2218 states, 2217 states have (on average 1.5029318899413622) internal successors, (3332), 2217 states have internal predecessors, (3332), 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) [2024-10-14 05:25:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 3332 transitions. [2024-10-14 05:25:15,073 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 3332 transitions. Word has length 98 [2024-10-14 05:25:15,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:15,074 INFO L471 AbstractCegarLoop]: Abstraction has 2218 states and 3332 transitions. [2024-10-14 05:25:15,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:25:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 3332 transitions. [2024-10-14 05:25:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 05:25:15,078 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:15,079 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] [2024-10-14 05:25:15,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 05:25:15,081 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:15,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:15,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1752203139, now seen corresponding path program 1 times [2024-10-14 05:25:15,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:25:15,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592483252] [2024-10-14 05:25:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:15,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:25:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:25:15,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:25:15,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592483252] [2024-10-14 05:25:15,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592483252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:15,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:15,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:25:15,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376721879] [2024-10-14 05:25:15,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:15,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:25:15,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:25:15,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:25:15,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:25:15,348 INFO L87 Difference]: Start difference. First operand 2218 states and 3332 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:25:15,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:15,418 INFO L93 Difference]: Finished difference Result 4317 states and 6486 transitions. [2024-10-14 05:25:15,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:25:15,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 05:25:15,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:15,425 INFO L225 Difference]: With dead ends: 4317 [2024-10-14 05:25:15,426 INFO L226 Difference]: Without dead ends: 2220 [2024-10-14 05:25:15,429 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 [2024-10-14 05:25:15,430 INFO L432 NwaCegarLoop]: 3327 mSDtfsCounter, 0 mSDsluCounter, 6646 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9973 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 [2024-10-14 05:25:15,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9973 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:25:15,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2024-10-14 05:25:15,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2220. [2024-10-14 05:25:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 2219 states have (on average 1.5024785939612437) internal successors, (3334), 2219 states have internal predecessors, (3334), 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) [2024-10-14 05:25:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3334 transitions. [2024-10-14 05:25:15,468 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3334 transitions. Word has length 99 [2024-10-14 05:25:15,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:15,468 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3334 transitions. [2024-10-14 05:25:15,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:25:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3334 transitions. [2024-10-14 05:25:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 05:25:15,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:15,471 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] [2024-10-14 05:25:15,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 05:25:15,475 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:15,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:15,476 INFO L85 PathProgramCache]: Analyzing trace with hash 418312208, now seen corresponding path program 1 times [2024-10-14 05:25:15,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:25:15,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230307380] [2024-10-14 05:25:15,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:15,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:25:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:25:15,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:25:15,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230307380] [2024-10-14 05:25:15,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230307380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:15,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:15,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:25:15,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724137819] [2024-10-14 05:25:15,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:15,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:25:15,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:25:15,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:25:15,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:25:15,725 INFO L87 Difference]: Start difference. First operand 2220 states and 3334 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:25:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:15,789 INFO L93 Difference]: Finished difference Result 4321 states and 6490 transitions. [2024-10-14 05:25:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:25:15,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 05:25:15,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:15,796 INFO L225 Difference]: With dead ends: 4321 [2024-10-14 05:25:15,796 INFO L226 Difference]: Without dead ends: 2222 [2024-10-14 05:25:15,798 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 [2024-10-14 05:25:15,799 INFO L432 NwaCegarLoop]: 3327 mSDtfsCounter, 0 mSDsluCounter, 6640 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9967 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 [2024-10-14 05:25:15,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9967 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:25:15,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2024-10-14 05:25:15,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 2222. [2024-10-14 05:25:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2222 states, 2221 states have (on average 1.5020261143628997) internal successors, (3336), 2221 states have internal predecessors, (3336), 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) [2024-10-14 05:25:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 3336 transitions. [2024-10-14 05:25:15,828 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 3336 transitions. Word has length 100 [2024-10-14 05:25:15,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:15,828 INFO L471 AbstractCegarLoop]: Abstraction has 2222 states and 3336 transitions. [2024-10-14 05:25:15,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 05:25:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 3336 transitions. [2024-10-14 05:25:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-14 05:25:15,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:15,829 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] [2024-10-14 05:25:15,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 05:25:15,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:15,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:15,830 INFO L85 PathProgramCache]: Analyzing trace with hash 991663972, now seen corresponding path program 1 times [2024-10-14 05:25:15,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:25:15,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482380034] [2024-10-14 05:25:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:25:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:25:15,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:25:15,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482380034] [2024-10-14 05:25:15,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482380034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:15,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:15,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:25:15,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391999825] [2024-10-14 05:25:15,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:15,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:25:15,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:25:15,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:25:15,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:25:15,997 INFO L87 Difference]: Start difference. First operand 2222 states and 3336 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-10-14 05:25:16,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:16,062 INFO L93 Difference]: Finished difference Result 4331 states and 6502 transitions. [2024-10-14 05:25:16,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:25:16,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 101 [2024-10-14 05:25:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:16,070 INFO L225 Difference]: With dead ends: 4331 [2024-10-14 05:25:16,070 INFO L226 Difference]: Without dead ends: 2230 [2024-10-14 05:25:16,072 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 [2024-10-14 05:25:16,073 INFO L432 NwaCegarLoop]: 3327 mSDtfsCounter, 3 mSDsluCounter, 6640 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9967 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 [2024-10-14 05:25:16,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9967 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:25:16,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-10-14 05:25:16,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2226. [2024-10-14 05:25:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2226 states, 2225 states have (on average 1.5020224719101123) internal successors, (3342), 2225 states have internal predecessors, (3342), 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) [2024-10-14 05:25:16,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 3342 transitions. [2024-10-14 05:25:16,108 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 3342 transitions. Word has length 101 [2024-10-14 05:25:16,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:16,108 INFO L471 AbstractCegarLoop]: Abstraction has 2226 states and 3342 transitions. [2024-10-14 05:25:16,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-10-14 05:25:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 3342 transitions. [2024-10-14 05:25:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 05:25:16,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:16,110 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] [2024-10-14 05:25:16,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 05:25:16,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:16,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1791005865, now seen corresponding path program 1 times [2024-10-14 05:25:16,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:25:16,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449870153] [2024-10-14 05:25:16,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:25:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:25:16,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:25:16,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449870153] [2024-10-14 05:25:16,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449870153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:16,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:16,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:25:16,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391230840] [2024-10-14 05:25:16,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:16,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:25:16,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:25:16,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:25:16,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:25:16,542 INFO L87 Difference]: Start difference. First operand 2226 states and 3342 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-10-14 05:25:18,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:18,926 INFO L93 Difference]: Finished difference Result 6420 states and 9640 transitions. [2024-10-14 05:25:18,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 05:25:18,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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 102 [2024-10-14 05:25:18,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:18,938 INFO L225 Difference]: With dead ends: 6420 [2024-10-14 05:25:18,939 INFO L226 Difference]: Without dead ends: 4315 [2024-10-14 05:25:18,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:25:18,943 INFO L432 NwaCegarLoop]: 2563 mSDtfsCounter, 3223 mSDsluCounter, 7571 mSDsCounter, 0 mSdLazyCounter, 3005 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3223 SdHoareTripleChecker+Valid, 10134 SdHoareTripleChecker+Invalid, 3006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 05:25:18,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3223 Valid, 10134 Invalid, 3006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3005 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 05:25:18,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2024-10-14 05:25:18,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 2281. [2024-10-14 05:25:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2281 states, 2280 states have (on average 1.5013157894736842) internal successors, (3423), 2280 states have internal predecessors, (3423), 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) [2024-10-14 05:25:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 3423 transitions. [2024-10-14 05:25:18,988 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 3423 transitions. Word has length 102 [2024-10-14 05:25:18,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:18,989 INFO L471 AbstractCegarLoop]: Abstraction has 2281 states and 3423 transitions. [2024-10-14 05:25:18,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-10-14 05:25:18,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 3423 transitions. [2024-10-14 05:25:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 05:25:18,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:18,990 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] [2024-10-14 05:25:18,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 05:25:18,990 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:18,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:18,990 INFO L85 PathProgramCache]: Analyzing trace with hash -79408249, now seen corresponding path program 1 times [2024-10-14 05:25:18,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:25:18,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907305514] [2024-10-14 05:25:18,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:18,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:25:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:25:19,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:25:19,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907305514] [2024-10-14 05:25:19,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907305514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:19,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:19,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:25:19,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810867771] [2024-10-14 05:25:19,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:19,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 05:25:19,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:25:19,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 05:25:19,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:25:19,533 INFO L87 Difference]: Start difference. First operand 2281 states and 3423 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-10-14 05:25:21,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:21,645 INFO L93 Difference]: Finished difference Result 4401 states and 6605 transitions. [2024-10-14 05:25:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:25:21,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 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 103 [2024-10-14 05:25:21,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:21,653 INFO L225 Difference]: With dead ends: 4401 [2024-10-14 05:25:21,654 INFO L226 Difference]: Without dead ends: 2296 [2024-10-14 05:25:21,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-14 05:25:21,658 INFO L432 NwaCegarLoop]: 2542 mSDtfsCounter, 3256 mSDsluCounter, 7615 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 10157 SdHoareTripleChecker+Invalid, 3163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 05:25:21,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 10157 Invalid, 3163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 05:25:21,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2024-10-14 05:25:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 2294. [2024-10-14 05:25:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2294 states, 2293 states have (on average 1.4993458351504578) internal successors, (3438), 2293 states have internal predecessors, (3438), 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) [2024-10-14 05:25:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 3438 transitions. [2024-10-14 05:25:21,701 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 3438 transitions. Word has length 103 [2024-10-14 05:25:21,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:21,702 INFO L471 AbstractCegarLoop]: Abstraction has 2294 states and 3438 transitions. [2024-10-14 05:25:21,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-10-14 05:25:21,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 3438 transitions. [2024-10-14 05:25:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 05:25:21,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:21,707 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] [2024-10-14 05:25:21,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 05:25:21,708 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:21,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:21,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2142308822, now seen corresponding path program 1 times [2024-10-14 05:25:21,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:25:21,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452111553] [2024-10-14 05:25:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:25:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:25:21,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 05:25:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:25:21,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 05:25:21,960 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 05:25:21,961 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 05:25:21,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 05:25:21,965 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:25:22,060 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 05:25:22,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:25:22 BoogieIcfgContainer [2024-10-14 05:25:22,065 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 05:25:22,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 05:25:22,066 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 05:25:22,066 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 05:25:22,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:25:13" (3/4) ... [2024-10-14 05:25:22,068 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 05:25:22,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 05:25:22,070 INFO L158 Benchmark]: Toolchain (without parser) took 17948.89ms. Allocated memory was 159.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 89.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 270.0MB. Max. memory is 16.1GB. [2024-10-14 05:25:22,070 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:25:22,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.18ms. Allocated memory is still 159.4MB. Free memory was 89.1MB in the beginning and 66.1MB in the end (delta: 23.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-14 05:25:22,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 841.09ms. Allocated memory was 159.4MB in the beginning and 306.2MB in the end (delta: 146.8MB). Free memory was 66.1MB in the beginning and 162.5MB in the end (delta: -96.4MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2024-10-14 05:25:22,070 INFO L158 Benchmark]: Boogie Preprocessor took 1231.55ms. Allocated memory is still 306.2MB. Free memory was 162.5MB in the beginning and 130.2MB in the end (delta: 32.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-10-14 05:25:22,071 INFO L158 Benchmark]: RCFGBuilder took 6912.07ms. Allocated memory was 306.2MB in the beginning and 914.4MB in the end (delta: 608.2MB). Free memory was 130.2MB in the beginning and 360.7MB in the end (delta: -230.5MB). Peak memory consumption was 382.7MB. Max. memory is 16.1GB. [2024-10-14 05:25:22,072 INFO L158 Benchmark]: TraceAbstraction took 8126.93ms. Allocated memory was 914.4MB in the beginning and 1.8GB in the end (delta: 914.4MB). Free memory was 359.7MB in the beginning and 1.5GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:25:22,072 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 1.8GB. Free memory is still 1.5GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:25:22,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.18ms. Allocated memory is still 159.4MB. Free memory was 89.1MB in the beginning and 66.1MB in the end (delta: 23.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 841.09ms. Allocated memory was 159.4MB in the beginning and 306.2MB in the end (delta: 146.8MB). Free memory was 66.1MB in the beginning and 162.5MB in the end (delta: -96.4MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1231.55ms. Allocated memory is still 306.2MB. Free memory was 162.5MB in the beginning and 130.2MB in the end (delta: 32.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6912.07ms. Allocated memory was 306.2MB in the beginning and 914.4MB in the end (delta: 608.2MB). Free memory was 130.2MB in the beginning and 360.7MB in the end (delta: -230.5MB). Peak memory consumption was 382.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8126.93ms. Allocated memory was 914.4MB in the beginning and 1.8GB in the end (delta: 914.4MB). Free memory was 359.7MB in the beginning and 1.5GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 1.8GB. Free memory is still 1.5GB. 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 239. 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_24 = 0; [L40] const SORT_4 var_67 = 1; [L41] const SORT_4 var_68 = 0; [L42] const SORT_2 var_79 = 1; [L43] const SORT_3 var_81 = 0; [L44] const SORT_4 var_84 = 4; [L45] const SORT_2 var_88 = 0; [L46] const SORT_4 var_155 = 2; [L47] const SORT_2 var_158 = 2; [L48] const SORT_4 var_182 = 3; [L49] const SORT_2 var_185 = 3; [L51] SORT_1 input_80; [L52] SORT_1 input_90; [L53] SORT_1 input_92; [L54] SORT_1 input_99; [L55] SORT_1 input_101; [L56] SORT_1 input_108; [L57] SORT_1 input_110; [L58] SORT_1 input_117; [L59] SORT_1 input_209; [L60] SORT_1 input_213; [L61] SORT_1 input_216; [L62] SORT_1 input_217; [L63] SORT_1 input_218; [L64] SORT_1 input_219; [L65] SORT_1 input_220; [L66] SORT_1 input_221; [L67] SORT_1 input_231; [L68] SORT_1 input_237; [L69] SORT_1 input_243; [L70] SORT_1 input_249; [L71] SORT_1 input_264; [L72] SORT_1 input_282; [L73] SORT_1 input_300; [L74] SORT_1 input_318; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L76] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L77] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L78] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L79] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L80] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L81] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L82] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L83] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L84] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L85] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L86] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L87] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L88] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L89] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L90] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L91] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L92] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L93] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L94] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L95] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L96] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L97] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L98] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L99] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L100] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L101] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L102] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L103] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L104] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L105] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] SORT_2 init_7_arg_1 = var_5; [L108] state_6 = init_7_arg_1 [L109] SORT_2 init_9_arg_1 = var_5; [L110] state_8 = init_9_arg_1 [L111] SORT_2 init_11_arg_1 = var_5; [L112] state_10 = init_11_arg_1 [L113] SORT_2 init_13_arg_1 = var_5; [L114] state_12 = init_13_arg_1 [L115] SORT_2 init_15_arg_1 = var_5; [L116] state_14 = init_15_arg_1 [L117] SORT_2 init_17_arg_1 = var_5; [L118] state_16 = init_17_arg_1 [L119] SORT_2 init_19_arg_1 = var_5; [L120] state_18 = init_19_arg_1 [L121] SORT_2 init_21_arg_1 = var_5; [L122] state_20 = init_21_arg_1 [L123] SORT_2 init_23_arg_1 = var_5; [L124] state_22 = init_23_arg_1 [L125] SORT_1 init_26_arg_1 = var_24; [L126] state_25 = init_26_arg_1 [L127] SORT_1 init_28_arg_1 = var_24; [L128] state_27 = init_28_arg_1 [L129] SORT_1 init_30_arg_1 = var_24; [L130] state_29 = init_30_arg_1 [L131] SORT_1 init_32_arg_1 = var_24; [L132] state_31 = init_32_arg_1 [L133] SORT_1 init_34_arg_1 = var_24; [L134] state_33 = init_34_arg_1 [L135] SORT_1 init_36_arg_1 = var_24; [L136] state_35 = init_36_arg_1 [L137] SORT_1 init_38_arg_1 = var_24; [L138] state_37 = init_38_arg_1 [L139] SORT_1 init_40_arg_1 = var_24; [L140] state_39 = init_40_arg_1 [L141] SORT_1 init_42_arg_1 = var_24; [L142] state_41 = init_42_arg_1 [L143] SORT_1 init_44_arg_1 = var_24; [L144] state_43 = init_44_arg_1 [L145] SORT_1 init_46_arg_1 = var_24; [L146] state_45 = init_46_arg_1 [L147] SORT_1 init_48_arg_1 = var_24; [L148] state_47 = init_48_arg_1 [L149] SORT_1 init_50_arg_1 = var_24; [L150] state_49 = init_50_arg_1 [L151] SORT_1 init_52_arg_1 = var_24; [L152] state_51 = init_52_arg_1 [L153] SORT_1 init_54_arg_1 = var_24; [L154] state_53 = init_54_arg_1 [L155] SORT_1 init_56_arg_1 = var_24; [L156] state_55 = init_56_arg_1 [L157] SORT_1 init_58_arg_1 = var_24; [L158] state_57 = init_58_arg_1 [L159] SORT_1 init_60_arg_1 = var_24; [L160] state_59 = init_60_arg_1 [L161] SORT_1 init_62_arg_1 = var_24; [L162] state_61 = init_62_arg_1 [L163] SORT_1 init_64_arg_1 = var_24; [L164] state_63 = init_64_arg_1 [L165] SORT_1 init_66_arg_1 = var_24; [L166] state_65 = init_66_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L169] input_80 = __VERIFIER_nondet_uchar() [L170] input_90 = __VERIFIER_nondet_uchar() [L171] input_92 = __VERIFIER_nondet_uchar() [L172] input_99 = __VERIFIER_nondet_uchar() [L173] input_101 = __VERIFIER_nondet_uchar() [L174] input_108 = __VERIFIER_nondet_uchar() [L175] input_110 = __VERIFIER_nondet_uchar() [L176] input_117 = __VERIFIER_nondet_uchar() [L177] input_209 = __VERIFIER_nondet_uchar() [L178] EXPR input_209 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L178] input_209 = input_209 & mask_SORT_1 [L179] input_213 = __VERIFIER_nondet_uchar() [L180] EXPR input_213 & mask_SORT_1 VAL [input_209=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L180] input_213 = input_213 & mask_SORT_1 [L181] input_216 = __VERIFIER_nondet_uchar() [L182] EXPR input_216 & mask_SORT_1 VAL [input_209=0, input_213=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L182] input_216 = input_216 & mask_SORT_1 [L183] input_217 = __VERIFIER_nondet_uchar() [L184] EXPR input_217 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L184] input_217 = input_217 & mask_SORT_1 [L185] input_218 = __VERIFIER_nondet_uchar() [L186] EXPR input_218 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L186] input_218 = input_218 & mask_SORT_1 [L187] input_219 = __VERIFIER_nondet_uchar() [L188] EXPR input_219 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L188] input_219 = input_219 & mask_SORT_1 [L189] input_220 = __VERIFIER_nondet_uchar() [L190] EXPR input_220 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L190] input_220 = input_220 & mask_SORT_1 [L191] input_221 = __VERIFIER_nondet_uchar() [L192] EXPR input_221 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L192] input_221 = input_221 & mask_SORT_1 [L193] input_231 = __VERIFIER_nondet_uchar() [L194] EXPR input_231 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L194] input_231 = input_231 & mask_SORT_1 [L195] input_237 = __VERIFIER_nondet_uchar() [L196] EXPR input_237 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L196] input_237 = input_237 & mask_SORT_1 [L197] input_243 = __VERIFIER_nondet_uchar() [L198] EXPR input_243 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L198] input_243 = input_243 & mask_SORT_1 [L199] input_249 = __VERIFIER_nondet_uchar() [L200] EXPR input_249 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L200] input_249 = input_249 & mask_SORT_1 [L201] input_264 = __VERIFIER_nondet_uchar() [L202] input_282 = __VERIFIER_nondet_uchar() [L203] input_300 = __VERIFIER_nondet_uchar() [L204] input_318 = __VERIFIER_nondet_uchar() [L207] SORT_1 var_69_arg_0 = state_33; [L208] SORT_4 var_69_arg_1 = var_67; [L209] SORT_4 var_69_arg_2 = var_68; [L210] SORT_4 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L211] SORT_1 var_70_arg_0 = state_43; [L212] SORT_4 var_70_arg_1 = var_67; [L213] SORT_4 var_70_arg_2 = var_68; [L214] SORT_4 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L215] SORT_4 var_71_arg_0 = var_69; [L216] SORT_4 var_71_arg_1 = var_70; [L217] SORT_4 var_71 = var_71_arg_0 + var_71_arg_1; [L218] SORT_1 var_72_arg_0 = state_53; [L219] SORT_4 var_72_arg_1 = var_67; [L220] SORT_4 var_72_arg_2 = var_68; [L221] SORT_4 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L222] SORT_4 var_73_arg_0 = var_71; [L223] SORT_4 var_73_arg_1 = var_72; [L224] SORT_4 var_73 = var_73_arg_0 + var_73_arg_1; [L225] SORT_1 var_74_arg_0 = state_63; [L226] SORT_4 var_74_arg_1 = var_67; [L227] SORT_4 var_74_arg_2 = var_68; [L228] SORT_4 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L229] SORT_4 var_75_arg_0 = var_73; [L230] SORT_4 var_75_arg_1 = var_74; [L231] SORT_4 var_75 = var_75_arg_0 + var_75_arg_1; VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_75=0, var_79=1, var_81=0, var_84=4, var_88=0] [L232] EXPR var_75 & mask_SORT_4 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L232] var_75 = var_75 & mask_SORT_4 [L233] SORT_4 var_76_arg_0 = var_75; [L234] SORT_4 var_76_arg_1 = var_67; [L235] SORT_1 var_76 = var_76_arg_0 <= var_76_arg_1; [L236] SORT_1 var_77_arg_0 = ~state_65; VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_76=1, var_77_arg_0=-1, var_79=1, var_81=0, var_84=4, var_88=0] [L237] EXPR var_77_arg_0 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_76=1, var_79=1, var_81=0, var_84=4, var_88=0] [L237] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L238] SORT_1 var_77_arg_1 = ~var_76; VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_77_arg_0=1, var_77_arg_1=-2, var_79=1, var_81=0, var_84=4, var_88=0] [L239] EXPR var_77_arg_1 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_77_arg_0=1, var_79=1, var_81=0, var_84=4, var_88=0] [L239] var_77_arg_1 = var_77_arg_1 & mask_SORT_1 [L240] EXPR var_77_arg_0 & var_77_arg_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L240] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L241] EXPR var_77 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L241] var_77 = var_77 & mask_SORT_1 [L242] SORT_1 bad_78_arg_0 = var_77; [L243] CALL __VERIFIER_assert(!(bad_78_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2217 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6482 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6482 mSDsluCounter, 60174 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41761 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6240 IncrementalHoareTripleChecker+Invalid, 6242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 18413 mSDtfsCounter, 6240 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2294occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 2040 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 597 ConstructedInterpolants, 0 QuantifiedInterpolants, 1739 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2024-10-14 05:25:22,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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.anderson.4.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 eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:25:24,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:25:24,618 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-14 05:25:24,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:25:24,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:25:24,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:25:24,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:25:24,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:25:24,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:25:24,661 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:25:24,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:25:24,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:25:24,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:25:24,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:25:24,664 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:25:24,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:25:24,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:25:24,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:25:24,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:25:24,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:25:24,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:25:24,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 05:25:24,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 05:25:24,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:25:24,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 05:25:24,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:25:24,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:25:24,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:25:24,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:25:24,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:25:24,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:25:24,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:25:24,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:25:24,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:25:24,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:25:24,676 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 05:25:24,676 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 05:25:24,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:25:24,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:25:24,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:25:24,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:25:24,678 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 05:25:24,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 [2024-10-14 05:25:24,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:25:24,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:25:24,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:25:24,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:25:24,990 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:25:24,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-10-14 05:25:26,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:25:26,749 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:25:26,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-10-14 05:25:26,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e9136b9/fed5ee45a8334969b7bb9bc503783cb5/FLAG79342cb0a [2024-10-14 05:25:26,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e9136b9/fed5ee45a8334969b7bb9bc503783cb5 [2024-10-14 05:25:26,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:25:26,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:25:26,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:25:26,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:25:27,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:25:27,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:25:26" (1/1) ... [2024-10-14 05:25:27,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642ec65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27, skipping insertion in model container [2024-10-14 05:25:27,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:25:26" (1/1) ... [2024-10-14 05:25:27,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:25:27,196 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-10-14 05:25:27,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:25:27,495 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:25:27,506 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-10-14 05:25:27,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:25:27,648 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:25:27,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27 WrapperNode [2024-10-14 05:25:27,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:25:27,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:25:27,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:25:27,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:25:27,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,755 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1907 [2024-10-14 05:25:27,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:25:27,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:25:27,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:25:27,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:25:27,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,815 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]. [2024-10-14 05:25:27,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:25:27,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:25:27,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:25:27,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:25:27,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (1/1) ... [2024-10-14 05:25:27,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:25:27,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:25:27,934 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) [2024-10-14 05:25:27,942 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 [2024-10-14 05:25:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:25:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 05:25:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:25:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:25:28,364 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:25:28,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:25:31,601 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-10-14 05:25:31,601 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:25:31,687 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:25:31,690 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 05:25:31,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:25:31 BoogieIcfgContainer [2024-10-14 05:25:31,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:25:31,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:25:31,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:25:31,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:25:31,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:25:26" (1/3) ... [2024-10-14 05:25:31,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7ebe15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:25:31, skipping insertion in model container [2024-10-14 05:25:31,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:25:27" (2/3) ... [2024-10-14 05:25:31,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7ebe15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:25:31, skipping insertion in model container [2024-10-14 05:25:31,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:25:31" (3/3) ... [2024-10-14 05:25:31,700 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-10-14 05:25:31,717 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:25:31,718 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 05:25:31,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:25:31,788 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;@638b5486, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:25:31,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 05:25:31,792 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) [2024-10-14 05:25:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 05:25:31,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:31,797 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 05:25:31,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:31,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:31,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-14 05:25:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:25:31,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34934438] [2024-10-14 05:25:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:31,830 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 [2024-10-14 05:25:31,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:25:31,834 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) [2024-10-14 05:25:31,852 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 [2024-10-14 05:25:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:32,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-14 05:25:32,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 05:25:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 05:25:33,068 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 05:25:33,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 05:25:33,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34934438] [2024-10-14 05:25:33,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34934438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:33,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:33,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 05:25:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930217712] [2024-10-14 05:25:33,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:33,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:25:33,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 05:25:33,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:25:33,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:25:33,106 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) [2024-10-14 05:25:36,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 05:25:37,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:37,026 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-14 05:25:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:25:37,030 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 [2024-10-14 05:25:37,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:37,037 INFO L225 Difference]: With dead ends: 15 [2024-10-14 05:25:37,037 INFO L226 Difference]: Without dead ends: 9 [2024-10-14 05:25:37,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:25:37,044 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 3.8s IncrementalHoareTripleChecker+Time [2024-10-14 05:25:37,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-14 05:25:37,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-14 05:25:37,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-14 05:25:37,111 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) [2024-10-14 05:25:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-14 05:25:37,113 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-14 05:25:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:37,117 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-14 05:25:37,117 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) [2024-10-14 05:25:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-14 05:25:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 05:25:37,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:37,118 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-14 05:25:37,130 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 [2024-10-14 05:25:37,319 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 [2024-10-14 05:25:37,320 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:37,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:37,321 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-14 05:25:37,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:25:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481702759] [2024-10-14 05:25:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:37,327 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 [2024-10-14 05:25:37,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:25:37,332 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) [2024-10-14 05:25:37,333 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 [2024-10-14 05:25:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:38,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-14 05:25:38,773 INFO L278 TraceCheckSpWp]: Computing forward predicates...