./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.2.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.2.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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:24:40,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:24:40,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 05:24:40,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:24:40,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:24:40,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:24:40,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:24:40,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:24:40,779 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:24:40,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:24:40,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:24:40,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:24:40,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:24:40,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:24:40,781 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:24:40,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:24:40,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:24:40,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 05:24:40,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:24:40,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:24:40,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:24:40,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:24:40,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:24:40,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:24:40,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:24:40,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:24:40,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:24:40,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:24:40,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:24:40,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:24:40,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:24:40,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:24:40,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:24:40,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 05:24:40,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 05:24:40,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:24:40,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:24:40,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:24:40,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:24:40,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 [2024-10-14 05:24:40,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:24:41,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:24:41,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:24:41,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:24:41,021 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:24:41,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-10-14 05:24:42,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:24:42,483 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:24:42,484 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-10-14 05:24:42,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f109f9f/3ff3c7a040d84bde870ed03978e2b195/FLAGc7c7988c0 [2024-10-14 05:24:42,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5f109f9f/3ff3c7a040d84bde870ed03978e2b195 [2024-10-14 05:24:42,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:24:42,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:24:42,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:24:42,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:24:42,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:24:42,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:24:42" (1/1) ... [2024-10-14 05:24:42,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571e16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:42, skipping insertion in model container [2024-10-14 05:24:42,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:24:42" (1/1) ... [2024-10-14 05:24:42,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:24:42,734 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.2.prop1-func-interl.c[1175,1188] [2024-10-14 05:24:42,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:24:42,968 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:24:42,977 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.2.prop1-func-interl.c[1175,1188] [2024-10-14 05:24:43,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:24:43,108 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:24:43,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43 WrapperNode [2024-10-14 05:24:43,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:24:43,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:24:43,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:24:43,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:24:43,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:43,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:43,535 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4638 [2024-10-14 05:24:43,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:24:43,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:24:43,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:24:43,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:24:43,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:43,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:43,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:43,895 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 05:24:43,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:43,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:44,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:44,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:44,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:44,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:44,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:24:44,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:24:44,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:24:44,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:24:44,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (1/1) ... [2024-10-14 05:24:44,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:24:44,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:24:44,307 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 05:24:44,312 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 05:24:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:24:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 05:24:44,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:24:44,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:24:44,588 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:24:44,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:24:47,957 INFO L? ?]: Removed 2538 outVars from TransFormulas that were not future-live. [2024-10-14 05:24:47,958 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:24:48,015 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:24:48,015 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 05:24:48,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:24:48 BoogieIcfgContainer [2024-10-14 05:24:48,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:24:48,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:24:48,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:24:48,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:24:48,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:24:42" (1/3) ... [2024-10-14 05:24:48,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232f6e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:24:48, skipping insertion in model container [2024-10-14 05:24:48,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:43" (2/3) ... [2024-10-14 05:24:48,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232f6e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:24:48, skipping insertion in model container [2024-10-14 05:24:48,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:24:48" (3/3) ... [2024-10-14 05:24:48,025 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-10-14 05:24:48,037 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:24:48,037 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 05:24:48,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:24:48,115 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;@4406a180, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:24:48,115 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 05:24:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 1629 states, 1627 states have (on average 1.5046097111247696) internal successors, (2448), 1628 states have internal predecessors, (2448), 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 05:24:48,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 05:24:48,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:24:48,129 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] [2024-10-14 05:24:48,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:24:48,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:24:48,133 INFO L85 PathProgramCache]: Analyzing trace with hash -505685274, now seen corresponding path program 1 times [2024-10-14 05:24:48,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:24:48,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757464353] [2024-10-14 05:24:48,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:24:48,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:24:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:24:48,766 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 05:24:48,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:24:48,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757464353] [2024-10-14 05:24:48,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757464353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:24:48,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:24:48,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:24:48,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293099966] [2024-10-14 05:24:48,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:24:48,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:24:48,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:24:48,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:24:48,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:24:48,799 INFO L87 Difference]: Start difference. First operand has 1629 states, 1627 states have (on average 1.5046097111247696) internal successors, (2448), 1628 states have internal predecessors, (2448), 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 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 05:24:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:24:48,927 INFO L93 Difference]: Finished difference Result 3166 states and 4760 transitions. [2024-10-14 05:24:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:24:48,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78 [2024-10-14 05:24:48,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:24:48,956 INFO L225 Difference]: With dead ends: 3166 [2024-10-14 05:24:48,956 INFO L226 Difference]: Without dead ends: 1630 [2024-10-14 05:24:48,965 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 05:24:48,968 INFO L432 NwaCegarLoop]: 2443 mSDtfsCounter, 0 mSDsluCounter, 4881 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7324 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 05:24:48,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7324 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:24:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2024-10-14 05:24:49,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1630. [2024-10-14 05:24:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1629 states have (on average 1.5027624309392265) internal successors, (2448), 1629 states have internal predecessors, (2448), 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 05:24:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2448 transitions. [2024-10-14 05:24:49,061 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2448 transitions. Word has length 78 [2024-10-14 05:24:49,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:24:49,062 INFO L471 AbstractCegarLoop]: Abstraction has 1630 states and 2448 transitions. [2024-10-14 05:24:49,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 05:24:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2448 transitions. [2024-10-14 05:24:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 05:24:49,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:24:49,067 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] [2024-10-14 05:24:49,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 05:24:49,067 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:24:49,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:24:49,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1505321324, now seen corresponding path program 1 times [2024-10-14 05:24:49,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:24:49,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575122082] [2024-10-14 05:24:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:24:49,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:24:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:24:49,279 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 05:24:49,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:24:49,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575122082] [2024-10-14 05:24:49,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575122082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:24:49,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:24:49,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:24:49,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638934896] [2024-10-14 05:24:49,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:24:49,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:24:49,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:24:49,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:24:49,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:24:49,285 INFO L87 Difference]: Start difference. First operand 1630 states and 2448 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 05:24:49,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:24:49,340 INFO L93 Difference]: Finished difference Result 3169 states and 4760 transitions. [2024-10-14 05:24:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:24:49,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2024-10-14 05:24:49,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:24:49,346 INFO L225 Difference]: With dead ends: 3169 [2024-10-14 05:24:49,346 INFO L226 Difference]: Without dead ends: 1632 [2024-10-14 05:24:49,349 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 05:24:49,350 INFO L432 NwaCegarLoop]: 2443 mSDtfsCounter, 0 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7321 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 05:24:49,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7321 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:24:49,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-10-14 05:24:49,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-10-14 05:24:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1631 states have (on average 1.502145922746781) internal successors, (2450), 1631 states have internal predecessors, (2450), 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 05:24:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2450 transitions. [2024-10-14 05:24:49,375 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2450 transitions. Word has length 79 [2024-10-14 05:24:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:24:49,377 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2450 transitions. [2024-10-14 05:24:49,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 05:24:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2450 transitions. [2024-10-14 05:24:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 05:24:49,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:24:49,379 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] [2024-10-14 05:24:49,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 05:24:49,381 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:24:49,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:24:49,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1677644673, now seen corresponding path program 1 times [2024-10-14 05:24:49,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:24:49,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362749801] [2024-10-14 05:24:49,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:24:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:24:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:24:49,548 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 05:24:49,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:24:49,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362749801] [2024-10-14 05:24:49,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362749801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:24:49,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:24:49,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:24:49,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228105588] [2024-10-14 05:24:49,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:24:49,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:24:49,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:24:49,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:24:49,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:24:49,551 INFO L87 Difference]: Start difference. First operand 1632 states and 2450 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 05:24:49,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:24:49,636 INFO L93 Difference]: Finished difference Result 3173 states and 4764 transitions. [2024-10-14 05:24:49,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:24:49,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2024-10-14 05:24:49,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:24:49,640 INFO L225 Difference]: With dead ends: 3173 [2024-10-14 05:24:49,641 INFO L226 Difference]: Without dead ends: 1634 [2024-10-14 05:24:49,642 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 05:24:49,643 INFO L432 NwaCegarLoop]: 2443 mSDtfsCounter, 0 mSDsluCounter, 4872 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7315 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 05:24:49,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7315 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:24:49,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-10-14 05:24:49,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1634. [2024-10-14 05:24:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1633 states have (on average 1.5015309246785058) internal successors, (2452), 1633 states have internal predecessors, (2452), 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 05:24:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2452 transitions. [2024-10-14 05:24:49,669 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2452 transitions. Word has length 80 [2024-10-14 05:24:49,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:24:49,669 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2452 transitions. [2024-10-14 05:24:49,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 05:24:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2452 transitions. [2024-10-14 05:24:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 05:24:49,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:24:49,675 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] [2024-10-14 05:24:49,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 05:24:49,676 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:24:49,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:24:49,676 INFO L85 PathProgramCache]: Analyzing trace with hash 441509971, now seen corresponding path program 1 times [2024-10-14 05:24:49,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:24:49,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035866437] [2024-10-14 05:24:49,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:24:49,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:24:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:24:49,852 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 05:24:49,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:24:49,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035866437] [2024-10-14 05:24:49,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035866437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:24:49,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:24:49,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:24:49,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352272968] [2024-10-14 05:24:49,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:24:49,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:24:49,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:24:49,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:24:49,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:24:49,854 INFO L87 Difference]: Start difference. First operand 1634 states and 2452 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 05:24:49,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:24:49,917 INFO L93 Difference]: Finished difference Result 3183 states and 4776 transitions. [2024-10-14 05:24:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:24:49,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2024-10-14 05:24:49,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:24:49,922 INFO L225 Difference]: With dead ends: 3183 [2024-10-14 05:24:49,922 INFO L226 Difference]: Without dead ends: 1642 [2024-10-14 05:24:49,924 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 05:24:49,925 INFO L432 NwaCegarLoop]: 2443 mSDtfsCounter, 3 mSDsluCounter, 4872 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7315 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 05:24:49,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7315 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:24:49,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-10-14 05:24:49,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1638. [2024-10-14 05:24:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1638 states, 1637 states have (on average 1.5015271838729383) internal successors, (2458), 1637 states have internal predecessors, (2458), 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 05:24:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2458 transitions. [2024-10-14 05:24:49,954 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2458 transitions. Word has length 81 [2024-10-14 05:24:49,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:24:49,955 INFO L471 AbstractCegarLoop]: Abstraction has 1638 states and 2458 transitions. [2024-10-14 05:24:49,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 05:24:49,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2458 transitions. [2024-10-14 05:24:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 05:24:49,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:24:49,956 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] [2024-10-14 05:24:49,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 05:24:49,957 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:24:49,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:24:49,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1916100888, now seen corresponding path program 1 times [2024-10-14 05:24:49,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:24:49,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701008147] [2024-10-14 05:24:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:24:49,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:24:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:24:50,198 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 05:24:50,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:24:50,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701008147] [2024-10-14 05:24:50,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701008147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:24:50,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:24:50,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:24:50,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758305980] [2024-10-14 05:24:50,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:24:50,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:24:50,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:24:50,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:24:50,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:24:50,201 INFO L87 Difference]: Start difference. First operand 1638 states and 2458 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 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 05:24:51,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:24:51,642 INFO L93 Difference]: Finished difference Result 4712 states and 7072 transitions. [2024-10-14 05:24:51,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 05:24:51,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-10-14 05:24:51,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:24:51,651 INFO L225 Difference]: With dead ends: 4712 [2024-10-14 05:24:51,651 INFO L226 Difference]: Without dead ends: 3167 [2024-10-14 05:24:51,653 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 05:24:51,656 INFO L432 NwaCegarLoop]: 1894 mSDtfsCounter, 2359 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 2170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2359 SdHoareTripleChecker+Valid, 7475 SdHoareTripleChecker+Invalid, 2171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 05:24:51,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2359 Valid, 7475 Invalid, 2171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2170 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 05:24:51,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3167 states. [2024-10-14 05:24:51,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3167 to 1681. [2024-10-14 05:24:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1680 states have (on average 1.500595238095238) internal successors, (2521), 1680 states have internal predecessors, (2521), 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 05:24:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2521 transitions. [2024-10-14 05:24:51,724 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2521 transitions. Word has length 82 [2024-10-14 05:24:51,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:24:51,725 INFO L471 AbstractCegarLoop]: Abstraction has 1681 states and 2521 transitions. [2024-10-14 05:24:51,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 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 05:24:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2521 transitions. [2024-10-14 05:24:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 05:24:51,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:24:51,726 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] [2024-10-14 05:24:51,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 05:24:51,726 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:24:51,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:24:51,726 INFO L85 PathProgramCache]: Analyzing trace with hash -496429962, now seen corresponding path program 1 times [2024-10-14 05:24:51,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:24:51,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968797812] [2024-10-14 05:24:51,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:24:51,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:24:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:24:52,045 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 05:24:52,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:24:52,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968797812] [2024-10-14 05:24:52,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968797812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:24:52,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:24:52,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:24:52,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378728492] [2024-10-14 05:24:52,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:24:52,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 05:24:52,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:24:52,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 05:24:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:24:52,047 INFO L87 Difference]: Start difference. First operand 1681 states and 2521 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 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 05:24:53,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:24:53,237 INFO L93 Difference]: Finished difference Result 3241 states and 4861 transitions. [2024-10-14 05:24:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:24:53,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 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 83 [2024-10-14 05:24:53,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:24:53,242 INFO L225 Difference]: With dead ends: 3241 [2024-10-14 05:24:53,243 INFO L226 Difference]: Without dead ends: 1696 [2024-10-14 05:24:53,245 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 05:24:53,245 INFO L432 NwaCegarLoop]: 1875 mSDtfsCounter, 2392 mSDsluCounter, 5614 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 7489 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:24:53,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 7489 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2294 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 05:24:53,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2024-10-14 05:24:53,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1694. [2024-10-14 05:24:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1693 states have (on average 1.4979326639102186) internal successors, (2536), 1693 states have internal predecessors, (2536), 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 05:24:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2536 transitions. [2024-10-14 05:24:53,272 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2536 transitions. Word has length 83 [2024-10-14 05:24:53,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:24:53,272 INFO L471 AbstractCegarLoop]: Abstraction has 1694 states and 2536 transitions. [2024-10-14 05:24:53,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 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 05:24:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2536 transitions. [2024-10-14 05:24:53,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 05:24:53,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:24:53,274 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] [2024-10-14 05:24:53,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 05:24:53,274 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:24:53,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:24:53,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2109887129, now seen corresponding path program 1 times [2024-10-14 05:24:53,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:24:53,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889933322] [2024-10-14 05:24:53,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:24:53,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:24:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:24:53,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 05:24:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 05:24:53,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 05:24:53,398 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 05:24:53,399 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 05:24:53,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 05:24:53,403 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:24:53,466 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 05:24:53,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:24:53 BoogieIcfgContainer [2024-10-14 05:24:53,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 05:24:53,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 05:24:53,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 05:24:53,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 05:24:53,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:24:48" (3/4) ... [2024-10-14 05:24:53,471 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 05:24:53,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 05:24:53,473 INFO L158 Benchmark]: Toolchain (without parser) took 10957.08ms. Allocated memory was 176.2MB in the beginning and 759.2MB in the end (delta: 583.0MB). Free memory was 117.0MB in the beginning and 272.6MB in the end (delta: -155.6MB). Peak memory consumption was 428.6MB. Max. memory is 16.1GB. [2024-10-14 05:24:53,473 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:24:53,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.52ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 54.1MB in the end (delta: 62.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-14 05:24:53,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 425.75ms. Allocated memory was 176.2MB in the beginning and 287.3MB in the end (delta: 111.1MB). Free memory was 53.7MB in the beginning and 140.6MB in the end (delta: -86.9MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-10-14 05:24:53,474 INFO L158 Benchmark]: Boogie Preprocessor took 739.98ms. Allocated memory is still 287.3MB. Free memory was 140.6MB in the beginning and 156.2MB in the end (delta: -15.6MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2024-10-14 05:24:53,474 INFO L158 Benchmark]: RCFGBuilder took 3741.72ms. Allocated memory was 287.3MB in the beginning and 574.6MB in the end (delta: 287.3MB). Free memory was 156.2MB in the beginning and 209.8MB in the end (delta: -53.6MB). Peak memory consumption was 303.4MB. Max. memory is 16.1GB. [2024-10-14 05:24:53,474 INFO L158 Benchmark]: TraceAbstraction took 5447.68ms. Allocated memory was 574.6MB in the beginning and 759.2MB in the end (delta: 184.5MB). Free memory was 209.8MB in the beginning and 273.7MB in the end (delta: -63.9MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2024-10-14 05:24:53,474 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 759.2MB. Free memory is still 272.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 05:24:53,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.52ms. Allocated memory is still 176.2MB. Free memory was 116.6MB in the beginning and 54.1MB in the end (delta: 62.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 425.75ms. Allocated memory was 176.2MB in the beginning and 287.3MB in the end (delta: 111.1MB). Free memory was 53.7MB in the beginning and 140.6MB in the end (delta: -86.9MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 739.98ms. Allocated memory is still 287.3MB. Free memory was 140.6MB in the beginning and 156.2MB in the end (delta: -15.6MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3741.72ms. Allocated memory was 287.3MB in the beginning and 574.6MB in the end (delta: 287.3MB). Free memory was 156.2MB in the beginning and 209.8MB in the end (delta: -53.6MB). Peak memory consumption was 303.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5447.68ms. Allocated memory was 574.6MB in the beginning and 759.2MB in the end (delta: 184.5MB). Free memory was 209.8MB in the beginning and 273.7MB in the end (delta: -63.9MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 759.2MB. Free memory is still 272.6MB. 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 194. 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_20 = 0; [L40] const SORT_4 var_53 = 1; [L41] const SORT_4 var_54 = 0; [L42] const SORT_2 var_63 = 1; [L43] const SORT_3 var_65 = 0; [L44] const SORT_4 var_68 = 3; [L45] const SORT_2 var_72 = 0; [L46] const SORT_4 var_122 = 2; [L47] const SORT_2 var_125 = 2; [L49] SORT_1 input_64; [L50] SORT_1 input_74; [L51] SORT_1 input_76; [L52] SORT_1 input_83; [L53] SORT_1 input_85; [L54] SORT_1 input_92; [L55] SORT_1 input_143; [L56] SORT_1 input_147; [L57] SORT_1 input_150; [L58] SORT_1 input_151; [L59] SORT_1 input_152; [L60] SORT_1 input_153; [L61] SORT_1 input_161; [L62] SORT_1 input_167; [L63] SORT_1 input_173; [L64] SORT_1 input_188; [L65] SORT_1 input_206; [L66] SORT_1 input_224; [L68] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L68] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L69] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L70] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L71] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L72] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L73] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L74] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L75] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L76] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L77] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L78] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L79] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L80] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L81] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L82] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L83] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] 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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L84] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L85] SORT_1 state_41 = __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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L86] SORT_1 state_43 = __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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L87] SORT_1 state_45 = __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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L88] SORT_1 state_47 = __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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L89] SORT_1 state_49 = __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_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0] [L90] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_2 init_7_arg_1 = var_5; [L93] state_6 = init_7_arg_1 [L94] SORT_2 init_9_arg_1 = var_5; [L95] state_8 = init_9_arg_1 [L96] SORT_2 init_11_arg_1 = var_5; [L97] state_10 = init_11_arg_1 [L98] SORT_2 init_13_arg_1 = var_5; [L99] state_12 = init_13_arg_1 [L100] SORT_2 init_15_arg_1 = var_5; [L101] state_14 = init_15_arg_1 [L102] SORT_2 init_17_arg_1 = var_5; [L103] state_16 = init_17_arg_1 [L104] SORT_2 init_19_arg_1 = var_5; [L105] state_18 = init_19_arg_1 [L106] SORT_1 init_22_arg_1 = var_20; [L107] state_21 = init_22_arg_1 [L108] SORT_1 init_24_arg_1 = var_20; [L109] state_23 = init_24_arg_1 [L110] SORT_1 init_26_arg_1 = var_20; [L111] state_25 = init_26_arg_1 [L112] SORT_1 init_28_arg_1 = var_20; [L113] state_27 = init_28_arg_1 [L114] SORT_1 init_30_arg_1 = var_20; [L115] state_29 = init_30_arg_1 [L116] SORT_1 init_32_arg_1 = var_20; [L117] state_31 = init_32_arg_1 [L118] SORT_1 init_34_arg_1 = var_20; [L119] state_33 = init_34_arg_1 [L120] SORT_1 init_36_arg_1 = var_20; [L121] state_35 = init_36_arg_1 [L122] SORT_1 init_38_arg_1 = var_20; [L123] state_37 = init_38_arg_1 [L124] SORT_1 init_40_arg_1 = var_20; [L125] state_39 = init_40_arg_1 [L126] SORT_1 init_42_arg_1 = var_20; [L127] state_41 = init_42_arg_1 [L128] SORT_1 init_44_arg_1 = var_20; [L129] state_43 = init_44_arg_1 [L130] SORT_1 init_46_arg_1 = var_20; [L131] state_45 = init_46_arg_1 [L132] SORT_1 init_48_arg_1 = var_20; [L133] state_47 = init_48_arg_1 [L134] SORT_1 init_50_arg_1 = var_20; [L135] state_49 = init_50_arg_1 [L136] SORT_1 init_52_arg_1 = var_20; [L137] state_51 = init_52_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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L140] input_64 = __VERIFIER_nondet_uchar() [L141] input_74 = __VERIFIER_nondet_uchar() [L142] input_76 = __VERIFIER_nondet_uchar() [L143] input_83 = __VERIFIER_nondet_uchar() [L144] input_85 = __VERIFIER_nondet_uchar() [L145] input_92 = __VERIFIER_nondet_uchar() [L146] input_143 = __VERIFIER_nondet_uchar() [L147] EXPR input_143 & 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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L147] input_143 = input_143 & mask_SORT_1 [L148] input_147 = __VERIFIER_nondet_uchar() [L149] EXPR input_147 & mask_SORT_1 VAL [input_143=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L149] input_147 = input_147 & mask_SORT_1 [L150] input_150 = __VERIFIER_nondet_uchar() [L151] EXPR input_150 & mask_SORT_1 VAL [input_143=0, input_147=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L151] input_150 = input_150 & mask_SORT_1 [L152] input_151 = __VERIFIER_nondet_uchar() [L153] EXPR input_151 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L153] input_151 = input_151 & mask_SORT_1 [L154] input_152 = __VERIFIER_nondet_uchar() [L155] EXPR input_152 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L155] input_152 = input_152 & mask_SORT_1 [L156] input_153 = __VERIFIER_nondet_uchar() [L157] EXPR input_153 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L157] input_153 = input_153 & mask_SORT_1 [L158] input_161 = __VERIFIER_nondet_uchar() [L159] EXPR input_161 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L159] input_161 = input_161 & mask_SORT_1 [L160] input_167 = __VERIFIER_nondet_uchar() [L161] EXPR input_167 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L161] input_167 = input_167 & mask_SORT_1 [L162] input_173 = __VERIFIER_nondet_uchar() [L163] EXPR input_173 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L163] input_173 = input_173 & mask_SORT_1 [L164] input_188 = __VERIFIER_nondet_uchar() [L165] input_206 = __VERIFIER_nondet_uchar() [L166] input_224 = __VERIFIER_nondet_uchar() [L169] SORT_1 var_55_arg_0 = state_29; [L170] SORT_4 var_55_arg_1 = var_53; [L171] SORT_4 var_55_arg_2 = var_54; [L172] SORT_4 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L173] SORT_1 var_56_arg_0 = state_39; [L174] SORT_4 var_56_arg_1 = var_53; [L175] SORT_4 var_56_arg_2 = var_54; [L176] SORT_4 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L177] SORT_4 var_57_arg_0 = var_55; [L178] SORT_4 var_57_arg_1 = var_56; [L179] SORT_4 var_57 = var_57_arg_0 + var_57_arg_1; [L180] SORT_1 var_58_arg_0 = state_49; [L181] SORT_4 var_58_arg_1 = var_53; [L182] SORT_4 var_58_arg_2 = var_54; [L183] SORT_4 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L184] SORT_4 var_59_arg_0 = var_57; [L185] SORT_4 var_59_arg_1 = var_58; [L186] SORT_4 var_59 = var_59_arg_0 + var_59_arg_1; VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_59=0, var_63=1, var_65=0, var_68=3, var_72=0] [L187] EXPR var_59 & mask_SORT_4 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L187] var_59 = var_59 & mask_SORT_4 [L188] SORT_4 var_60_arg_0 = var_59; [L189] SORT_4 var_60_arg_1 = var_53; [L190] SORT_1 var_60 = var_60_arg_0 <= var_60_arg_1; [L191] SORT_1 var_61_arg_0 = ~state_51; VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_60=1, var_61_arg_0=-1, var_63=1, var_65=0, var_68=3, var_72=0] [L192] EXPR var_61_arg_0 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_60=1, var_63=1, var_65=0, var_68=3, var_72=0] [L192] var_61_arg_0 = var_61_arg_0 & mask_SORT_1 [L193] SORT_1 var_61_arg_1 = ~var_60; VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_61_arg_0=1, var_61_arg_1=-2, var_63=1, var_65=0, var_68=3, var_72=0] [L194] EXPR var_61_arg_1 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_61_arg_0=1, var_63=1, var_65=0, var_68=3, var_72=0] [L194] var_61_arg_1 = var_61_arg_1 & mask_SORT_1 [L195] EXPR var_61_arg_0 & var_61_arg_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L195] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L196] EXPR var_61 & mask_SORT_1 VAL [input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=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_21=0, state_23=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_6=0, state_8=0, var_122=2, var_125=2, var_53=1, var_54=0, var_63=1, var_65=0, var_68=3, var_72=0] [L196] var_61 = var_61 & mask_SORT_1 [L197] SORT_1 bad_62_arg_0 = var_61; [L198] CALL __VERIFIER_assert(!(bad_62_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1629 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4754 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4754 mSDsluCounter, 44239 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30698 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4537 IncrementalHoareTripleChecker+Invalid, 4539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13541 mSDtfsCounter, 4537 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=1694occurred 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, 1492 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 567 NumberOfCodeBlocks, 567 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1379 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 05:24:53,527 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.2.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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:24:55,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:24:55,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-14 05:24:55,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:24:55,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:24:55,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:24:55,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:24:55,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:24:55,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:24:55,426 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:24:55,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:24:55,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:24:55,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:24:55,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:24:55,427 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:24:55,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:24:55,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:24:55,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:24:55,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:24:55,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:24:55,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:24:55,431 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 05:24:55,432 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 05:24:55,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:24:55,432 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 05:24:55,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:24:55,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:24:55,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:24:55,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:24:55,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:24:55,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:24:55,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:24:55,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:24:55,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:24:55,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:24:55,433 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 05:24:55,433 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 05:24:55,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:24:55,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:24:55,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:24:55,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:24:55,435 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 05:24:55,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948 [2024-10-14 05:24:55,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:24:55,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:24:55,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:24:55,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:24:55,689 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:24:55,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-10-14 05:24:56,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:24:57,169 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:24:57,172 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-10-14 05:24:57,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6cfda8c3/2870968d04454861b5b420f139e32221/FLAGc1a30d88d [2024-10-14 05:24:57,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6cfda8c3/2870968d04454861b5b420f139e32221 [2024-10-14 05:24:57,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:24:57,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:24:57,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:24:57,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:24:57,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:24:57,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:24:57" (1/1) ... [2024-10-14 05:24:57,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d91a097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:57, skipping insertion in model container [2024-10-14 05:24:57,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:24:57" (1/1) ... [2024-10-14 05:24:57,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:24:57,748 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.2.prop1-func-interl.c[1175,1188] [2024-10-14 05:24:57,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:24:57,966 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:24:57,984 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.2.prop1-func-interl.c[1175,1188] [2024-10-14 05:24:58,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:24:58,072 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:24:58,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58 WrapperNode [2024-10-14 05:24:58,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:24:58,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:24:58,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:24:58,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:24:58,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,162 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1370 [2024-10-14 05:24:58,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:24:58,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:24:58,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:24:58,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:24:58,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,179 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,225 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 05:24:58,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:24:58,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:24:58,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:24:58,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:24:58,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (1/1) ... [2024-10-14 05:24:58,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:24:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:24:58,322 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 05:24:58,327 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 05:24:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:24:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 05:24:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:24:58,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:24:58,565 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:24:58,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:25:00,298 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-10-14 05:25:00,298 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:25:00,361 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:25:00,361 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 05:25:00,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:25:00 BoogieIcfgContainer [2024-10-14 05:25:00,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:25:00,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:25:00,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:25:00,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:25:00,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:24:57" (1/3) ... [2024-10-14 05:25:00,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56029e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:25:00, skipping insertion in model container [2024-10-14 05:25:00,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:24:58" (2/3) ... [2024-10-14 05:25:00,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56029e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:25:00, skipping insertion in model container [2024-10-14 05:25:00,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:25:00" (3/3) ... [2024-10-14 05:25:00,368 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c [2024-10-14 05:25:00,380 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:25:00,380 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 05:25:00,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:25:00,428 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;@72a6a4d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:25:00,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 05:25:00,432 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 05:25:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 05:25:00,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:00,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 05:25:00,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:00,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:00,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-14 05:25:00,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:25:00,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143827462] [2024-10-14 05:25:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:00,453 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 05:25:00,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:25:00,456 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 05:25:00,457 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 05:25:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:00,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 05:25:00,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 05:25:00,984 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 05:25:00,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 05:25:00,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 05:25:00,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143827462] [2024-10-14 05:25:00,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143827462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:25:00,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:25:00,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 05:25:00,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730235546] [2024-10-14 05:25:00,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:25:00,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:25:00,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 05:25:01,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:25:01,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:25:01,011 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 05:25:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:25:01,816 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-14 05:25:01,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:25:01,819 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 05:25:01,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:25:01,823 INFO L225 Difference]: With dead ends: 15 [2024-10-14 05:25:01,823 INFO L226 Difference]: Without dead ends: 9 [2024-10-14 05:25:01,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:25:01,827 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 05:25:01,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 05:25:01,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-14 05:25:01,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-14 05:25:01,858 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 05:25:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-14 05:25:01,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-14 05:25:01,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:25:01,860 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-14 05:25:01,860 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 05:25:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-14 05:25:01,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 05:25:01,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:25:01,861 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-14 05:25:01,868 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 05:25:02,062 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 05:25:02,063 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:25:02,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:25:02,064 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-14 05:25:02,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 05:25:02,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776652438] [2024-10-14 05:25:02,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:25:02,065 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 05:25:02,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 05:25:02,067 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 05:25:02,088 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 05:25:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:25:02,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-14 05:25:02,767 INFO L278 TraceCheckSpWp]: Computing forward predicates...