./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.h_RCU.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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.h_RCU.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 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 04:10:49,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:10:49,675 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 04:10:49,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:10:49,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:10:49,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:10:49,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:10:49,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:10:49,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:10:49,711 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:10:49,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:10:49,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:10:49,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:10:49,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:10:49,713 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:10:49,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:10:49,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:10:49,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 04:10:49,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:10:49,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:10:49,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:10:49,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:10:49,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:10:49,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:10:49,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:10:49,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:10:49,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:10:49,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:10:49,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:10:49,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:10:49,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:10:49,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:10:49,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:10:49,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 04:10:49,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 04:10:49,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:10:49,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:10:49,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:10:49,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:10:49,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd [2024-10-24 04:10:49,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:10:49,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:10:49,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:10:49,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:10:49,942 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:10:49,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2024-10-24 04:10:51,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:10:51,716 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:10:51,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2024-10-24 04:10:51,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7460ffe15/914c9b9fe5bc428b93737866a0fa04e6/FLAG2491a14c7 [2024-10-24 04:10:51,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7460ffe15/914c9b9fe5bc428b93737866a0fa04e6 [2024-10-24 04:10:51,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:10:51,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:10:51,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:10:51,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:10:51,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:10:51,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:10:51" (1/1) ... [2024-10-24 04:10:51,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431d13c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:51, skipping insertion in model container [2024-10-24 04:10:51,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:10:51" (1/1) ... [2024-10-24 04:10:51,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:10:52,093 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.h_RCU.c[1245,1258] [2024-10-24 04:10:52,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:10:52,732 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:10:52,821 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.h_RCU.c[1245,1258] [2024-10-24 04:10:53,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:10:53,190 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:10:53,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53 WrapperNode [2024-10-24 04:10:53,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:10:53,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:10:53,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:10:53,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:10:53,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:53,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:54,495 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13634 [2024-10-24 04:10:54,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:10:54,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:10:54,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:10:54,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:10:54,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:54,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:54,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:54,971 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-24 04:10:54,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:54,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:55,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:55,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:55,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:55,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:55,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:10:55,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:10:55,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:10:55,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:10:55,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (1/1) ... [2024-10-24 04:10:55,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:10:55,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:10:55,683 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) [2024-10-24 04:10:55,685 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 [2024-10-24 04:10:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:10:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 04:10:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 04:10:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:10:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:10:56,632 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:10:56,634 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:11:07,747 INFO L? ?]: Removed 9229 outVars from TransFormulas that were not future-live. [2024-10-24 04:11:07,747 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:11:07,974 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:11:07,974 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:11:07,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:07 BoogieIcfgContainer [2024-10-24 04:11:07,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:11:07,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:11:07,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:11:07,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:11:07,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:10:51" (1/3) ... [2024-10-24 04:11:07,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fcd6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:07, skipping insertion in model container [2024-10-24 04:11:07,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:10:53" (2/3) ... [2024-10-24 04:11:07,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fcd6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:07, skipping insertion in model container [2024-10-24 04:11:07,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:07" (3/3) ... [2024-10-24 04:11:07,983 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_RCU.c [2024-10-24 04:11:08,005 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:11:08,005 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:11:08,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:11:08,156 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;@6a713151, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:11:08,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:11:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 2803 states, 2801 states have (on average 1.50017850767583) internal successors, (4202), 2802 states have internal predecessors, (4202), 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) [2024-10-24 04:11:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 04:11:08,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:08,179 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] [2024-10-24 04:11:08,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:08,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:08,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1593846311, now seen corresponding path program 1 times [2024-10-24 04:11:08,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:08,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149117015] [2024-10-24 04:11:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:08,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:08,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:08,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149117015] [2024-10-24 04:11:08,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149117015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:08,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:08,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:08,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652903855] [2024-10-24 04:11:08,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:08,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:08,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:08,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:08,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:08,907 INFO L87 Difference]: Start difference. First operand has 2803 states, 2801 states have (on average 1.50017850767583) internal successors, (4202), 2802 states have internal predecessors, (4202), 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 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-10-24 04:11:09,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:09,078 INFO L93 Difference]: Finished difference Result 5506 states and 8256 transitions. [2024-10-24 04:11:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:09,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2024-10-24 04:11:09,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:09,110 INFO L225 Difference]: With dead ends: 5506 [2024-10-24 04:11:09,110 INFO L226 Difference]: Without dead ends: 2804 [2024-10-24 04:11:09,122 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 [2024-10-24 04:11:09,124 INFO L432 NwaCegarLoop]: 4197 mSDtfsCounter, 0 mSDsluCounter, 8389 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12586 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 [2024-10-24 04:11:09,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12586 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:09,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2024-10-24 04:11:09,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2804. [2024-10-24 04:11:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2803 states have (on average 1.4991080984659293) internal successors, (4202), 2803 states have internal predecessors, (4202), 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) [2024-10-24 04:11:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4202 transitions. [2024-10-24 04:11:09,248 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4202 transitions. Word has length 66 [2024-10-24 04:11:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:09,249 INFO L471 AbstractCegarLoop]: Abstraction has 2804 states and 4202 transitions. [2024-10-24 04:11:09,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-10-24 04:11:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4202 transitions. [2024-10-24 04:11:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 04:11:09,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:09,252 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] [2024-10-24 04:11:09,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 04:11:09,252 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:09,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:09,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2132067467, now seen corresponding path program 1 times [2024-10-24 04:11:09,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:09,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115373875] [2024-10-24 04:11:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:09,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:09,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115373875] [2024-10-24 04:11:09,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115373875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:09,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:09,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:09,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44950553] [2024-10-24 04:11:09,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:09,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:09,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:09,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:09,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:09,542 INFO L87 Difference]: Start difference. First operand 2804 states and 4202 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-24 04:11:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:09,667 INFO L93 Difference]: Finished difference Result 5509 states and 8256 transitions. [2024-10-24 04:11:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:09,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 67 [2024-10-24 04:11:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:09,676 INFO L225 Difference]: With dead ends: 5509 [2024-10-24 04:11:09,676 INFO L226 Difference]: Without dead ends: 2806 [2024-10-24 04:11:09,681 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 [2024-10-24 04:11:09,682 INFO L432 NwaCegarLoop]: 4197 mSDtfsCounter, 0 mSDsluCounter, 8386 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12583 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:09,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12583 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2024-10-24 04:11:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2806. [2024-10-24 04:11:09,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2805 states have (on average 1.498752228163993) internal successors, (4204), 2805 states have internal predecessors, (4204), 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) [2024-10-24 04:11:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 4204 transitions. [2024-10-24 04:11:09,729 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 4204 transitions. Word has length 67 [2024-10-24 04:11:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:09,731 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 4204 transitions. [2024-10-24 04:11:09,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-10-24 04:11:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 4204 transitions. [2024-10-24 04:11:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 04:11:09,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:09,734 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] [2024-10-24 04:11:09,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 04:11:09,735 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:09,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:09,736 INFO L85 PathProgramCache]: Analyzing trace with hash 571616498, now seen corresponding path program 1 times [2024-10-24 04:11:09,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:09,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763674657] [2024-10-24 04:11:09,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:09,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:10,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:10,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763674657] [2024-10-24 04:11:10,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763674657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:10,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:10,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:11:10,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504420021] [2024-10-24 04:11:10,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:10,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:11:10,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:10,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:11:10,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:10,422 INFO L87 Difference]: Start difference. First operand 2806 states and 4204 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 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) [2024-10-24 04:11:10,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:10,686 INFO L93 Difference]: Finished difference Result 5519 states and 8269 transitions. [2024-10-24 04:11:10,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:11:10,686 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 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 68 [2024-10-24 04:11:10,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:10,696 INFO L225 Difference]: With dead ends: 5519 [2024-10-24 04:11:10,696 INFO L226 Difference]: Without dead ends: 2814 [2024-10-24 04:11:10,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 04:11:10,703 INFO L432 NwaCegarLoop]: 4183 mSDtfsCounter, 4154 mSDsluCounter, 16726 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 20909 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:10,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 20909 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:10,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2024-10-24 04:11:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2024-10-24 04:11:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 2811 states have (on average 1.4987548914976876) internal successors, (4213), 2811 states have internal predecessors, (4213), 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) [2024-10-24 04:11:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4213 transitions. [2024-10-24 04:11:10,767 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4213 transitions. Word has length 68 [2024-10-24 04:11:10,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:10,768 INFO L471 AbstractCegarLoop]: Abstraction has 2812 states and 4213 transitions. [2024-10-24 04:11:10,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 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) [2024-10-24 04:11:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4213 transitions. [2024-10-24 04:11:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 04:11:10,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:10,774 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] [2024-10-24 04:11:10,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 04:11:10,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:10,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:10,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2104787758, now seen corresponding path program 1 times [2024-10-24 04:11:10,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:10,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552504454] [2024-10-24 04:11:10,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:10,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:11,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:11,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552504454] [2024-10-24 04:11:11,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552504454] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:11,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:11,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:11:11,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404437262] [2024-10-24 04:11:11,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:11,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:11:11,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:11,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:11:11,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:11,198 INFO L87 Difference]: Start difference. First operand 2812 states and 4213 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-10-24 04:11:11,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:11,360 INFO L93 Difference]: Finished difference Result 5523 states and 8275 transitions. [2024-10-24 04:11:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:11:11,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 69 [2024-10-24 04:11:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:11,368 INFO L225 Difference]: With dead ends: 5523 [2024-10-24 04:11:11,369 INFO L226 Difference]: Without dead ends: 2812 [2024-10-24 04:11:11,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:11,373 INFO L432 NwaCegarLoop]: 4192 mSDtfsCounter, 2 mSDsluCounter, 16759 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20951 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:11,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20951 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2024-10-24 04:11:11,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2811. [2024-10-24 04:11:11,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2810 states have (on average 1.498576512455516) internal successors, (4211), 2810 states have internal predecessors, (4211), 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) [2024-10-24 04:11:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 4211 transitions. [2024-10-24 04:11:11,417 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 4211 transitions. Word has length 69 [2024-10-24 04:11:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:11,418 INFO L471 AbstractCegarLoop]: Abstraction has 2811 states and 4211 transitions. [2024-10-24 04:11:11,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-10-24 04:11:11,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 4211 transitions. [2024-10-24 04:11:11,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 04:11:11,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:11,419 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] [2024-10-24 04:11:11,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 04:11:11,419 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:11,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:11,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1594299577, now seen corresponding path program 1 times [2024-10-24 04:11:11,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:11,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621359532] [2024-10-24 04:11:11,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:11,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:12,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:12,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621359532] [2024-10-24 04:11:12,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621359532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:12,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:12,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:11:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709891202] [2024-10-24 04:11:12,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:12,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:11:12,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:12,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:11:12,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:12,086 INFO L87 Difference]: Start difference. First operand 2811 states and 4211 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-10-24 04:11:12,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:12,311 INFO L93 Difference]: Finished difference Result 5529 states and 8283 transitions. [2024-10-24 04:11:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:11:12,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 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 69 [2024-10-24 04:11:12,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:12,319 INFO L225 Difference]: With dead ends: 5529 [2024-10-24 04:11:12,319 INFO L226 Difference]: Without dead ends: 2819 [2024-10-24 04:11:12,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-24 04:11:12,323 INFO L432 NwaCegarLoop]: 4193 mSDtfsCounter, 4165 mSDsluCounter, 16764 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4165 SdHoareTripleChecker+Valid, 20957 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:12,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4165 Valid, 20957 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:12,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2024-10-24 04:11:12,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2818. [2024-10-24 04:11:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2818 states, 2817 states have (on average 1.4984025559105432) internal successors, (4221), 2817 states have internal predecessors, (4221), 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) [2024-10-24 04:11:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 4221 transitions. [2024-10-24 04:11:12,362 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 4221 transitions. Word has length 69 [2024-10-24 04:11:12,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:12,363 INFO L471 AbstractCegarLoop]: Abstraction has 2818 states and 4221 transitions. [2024-10-24 04:11:12,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-10-24 04:11:12,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 4221 transitions. [2024-10-24 04:11:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 04:11:12,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:12,364 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] [2024-10-24 04:11:12,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 04:11:12,364 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:12,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:12,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2102772548, now seen corresponding path program 1 times [2024-10-24 04:11:12,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:12,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190370298] [2024-10-24 04:11:12,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:12,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:12,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:12,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190370298] [2024-10-24 04:11:12,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190370298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:12,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:12,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:12,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537570988] [2024-10-24 04:11:12,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:12,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:12,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:12,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:12,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:12,569 INFO L87 Difference]: Start difference. First operand 2818 states and 4221 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-10-24 04:11:12,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:12,776 INFO L93 Difference]: Finished difference Result 7611 states and 11399 transitions. [2024-10-24 04:11:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:12,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 70 [2024-10-24 04:11:12,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:12,790 INFO L225 Difference]: With dead ends: 7611 [2024-10-24 04:11:12,791 INFO L226 Difference]: Without dead ends: 4894 [2024-10-24 04:11:12,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:12,801 INFO L432 NwaCegarLoop]: 4182 mSDtfsCounter, 10341 mSDsluCounter, 8359 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10341 SdHoareTripleChecker+Valid, 12541 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:12,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10341 Valid, 12541 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:12,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2024-10-24 04:11:12,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 2820. [2024-10-24 04:11:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2819 states have (on average 1.4980489535296204) internal successors, (4223), 2819 states have internal predecessors, (4223), 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) [2024-10-24 04:11:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 4223 transitions. [2024-10-24 04:11:12,853 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 4223 transitions. Word has length 70 [2024-10-24 04:11:12,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:12,854 INFO L471 AbstractCegarLoop]: Abstraction has 2820 states and 4223 transitions. [2024-10-24 04:11:12,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-10-24 04:11:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 4223 transitions. [2024-10-24 04:11:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 04:11:12,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:12,855 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] [2024-10-24 04:11:12,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 04:11:12,855 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:12,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:12,855 INFO L85 PathProgramCache]: Analyzing trace with hash -2002280369, now seen corresponding path program 1 times [2024-10-24 04:11:12,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:12,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612257936] [2024-10-24 04:11:12,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:13,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:13,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:13,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612257936] [2024-10-24 04:11:13,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612257936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:13,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:13,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 04:11:13,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092917959] [2024-10-24 04:11:13,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:13,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 04:11:13,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:13,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 04:11:13,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:11:13,324 INFO L87 Difference]: Start difference. First operand 2820 states and 4223 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 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) [2024-10-24 04:11:13,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:13,556 INFO L93 Difference]: Finished difference Result 5541 states and 8299 transitions. [2024-10-24 04:11:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 04:11:13,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 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 70 [2024-10-24 04:11:13,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:13,562 INFO L225 Difference]: With dead ends: 5541 [2024-10-24 04:11:13,562 INFO L226 Difference]: Without dead ends: 2824 [2024-10-24 04:11:13,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-24 04:11:13,566 INFO L432 NwaCegarLoop]: 4182 mSDtfsCounter, 4156 mSDsluCounter, 20903 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4156 SdHoareTripleChecker+Valid, 25085 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:13,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4156 Valid, 25085 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:13,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2024-10-24 04:11:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2824. [2024-10-24 04:11:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2823 states have (on average 1.497697484945094) internal successors, (4228), 2823 states have internal predecessors, (4228), 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) [2024-10-24 04:11:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4228 transitions. [2024-10-24 04:11:13,596 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4228 transitions. Word has length 70 [2024-10-24 04:11:13,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:13,597 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 4228 transitions. [2024-10-24 04:11:13,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 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) [2024-10-24 04:11:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4228 transitions. [2024-10-24 04:11:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 04:11:13,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:13,597 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:11:13,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 04:11:13,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:13,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:13,598 INFO L85 PathProgramCache]: Analyzing trace with hash -675015185, now seen corresponding path program 1 times [2024-10-24 04:11:13,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:13,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766366856] [2024-10-24 04:11:13,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:13,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:13,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:13,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766366856] [2024-10-24 04:11:13,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766366856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:13,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:13,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:13,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962343841] [2024-10-24 04:11:13,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:13,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:11:13,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:13,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:11:13,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:13,854 INFO L87 Difference]: Start difference. First operand 2824 states and 4228 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-10-24 04:11:13,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:13,962 INFO L93 Difference]: Finished difference Result 5544 states and 8302 transitions. [2024-10-24 04:11:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:11:13,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 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 70 [2024-10-24 04:11:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:13,969 INFO L225 Difference]: With dead ends: 5544 [2024-10-24 04:11:13,969 INFO L226 Difference]: Without dead ends: 2823 [2024-10-24 04:11:13,972 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 [2024-10-24 04:11:13,972 INFO L432 NwaCegarLoop]: 4196 mSDtfsCounter, 4159 mSDsluCounter, 12579 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4159 SdHoareTripleChecker+Valid, 16775 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:13,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4159 Valid, 16775 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:13,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2024-10-24 04:11:13,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2823. [2024-10-24 04:11:13,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2822 states have (on average 1.4975194897236004) internal successors, (4226), 2822 states have internal predecessors, (4226), 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) [2024-10-24 04:11:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 4226 transitions. [2024-10-24 04:11:14,003 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 4226 transitions. Word has length 70 [2024-10-24 04:11:14,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:14,004 INFO L471 AbstractCegarLoop]: Abstraction has 2823 states and 4226 transitions. [2024-10-24 04:11:14,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-10-24 04:11:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 4226 transitions. [2024-10-24 04:11:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 04:11:14,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:14,005 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] [2024-10-24 04:11:14,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 04:11:14,005 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:14,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash -376603791, now seen corresponding path program 1 times [2024-10-24 04:11:14,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:14,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198352606] [2024-10-24 04:11:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:14,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:11:14,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 04:11:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:11:14,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 04:11:14,273 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 04:11:14,274 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 04:11:14,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 04:11:14,278 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:11:14,370 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 04:11:14,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:11:14 BoogieIcfgContainer [2024-10-24 04:11:14,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 04:11:14,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 04:11:14,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 04:11:14,373 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 04:11:14,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:07" (3/4) ... [2024-10-24 04:11:14,374 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 04:11:14,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 04:11:14,375 INFO L158 Benchmark]: Toolchain (without parser) took 22610.94ms. Allocated memory was 201.3MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 164.8MB in the beginning and 7.4GB in the end (delta: -7.2GB). Peak memory consumption was 451.0MB. Max. memory is 16.1GB. [2024-10-24 04:11:14,376 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:11:14,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1425.03ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 164.8MB in the beginning and 279.9MB in the end (delta: -115.1MB). Peak memory consumption was 187.8MB. Max. memory is 16.1GB. [2024-10-24 04:11:14,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 1304.56ms. Allocated memory was 402.7MB in the beginning and 994.1MB in the end (delta: 591.4MB). Free memory was 279.9MB in the beginning and 719.3MB in the end (delta: -439.4MB). Peak memory consumption was 250.6MB. Max. memory is 16.1GB. [2024-10-24 04:11:14,377 INFO L158 Benchmark]: Boogie Preprocessor took 1151.15ms. Allocated memory was 994.1MB in the beginning and 2.7GB in the end (delta: 1.7GB). Free memory was 719.3MB in the beginning and 2.3GB in the end (delta: -1.6GB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. [2024-10-24 04:11:14,377 INFO L158 Benchmark]: RCFGBuilder took 12327.55ms. Allocated memory was 2.7GB in the beginning and 7.3GB in the end (delta: 4.7GB). Free memory was 2.3GB in the beginning and 6.8GB in the end (delta: -4.5GB). Peak memory consumption was 603.6MB. Max. memory is 16.1GB. [2024-10-24 04:11:14,378 INFO L158 Benchmark]: TraceAbstraction took 6394.45ms. Allocated memory was 7.3GB in the beginning and 7.8GB in the end (delta: 501.2MB). Free memory was 6.8GB in the beginning and 7.4GB in the end (delta: -561.5MB). Peak memory consumption was 469.2MB. Max. memory is 16.1GB. [2024-10-24 04:11:14,378 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 7.8GB. Free memory is still 7.4GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:11:14,379 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 142.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1425.03ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 164.8MB in the beginning and 279.9MB in the end (delta: -115.1MB). Peak memory consumption was 187.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1304.56ms. Allocated memory was 402.7MB in the beginning and 994.1MB in the end (delta: 591.4MB). Free memory was 279.9MB in the beginning and 719.3MB in the end (delta: -439.4MB). Peak memory consumption was 250.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1151.15ms. Allocated memory was 994.1MB in the beginning and 2.7GB in the end (delta: 1.7GB). Free memory was 719.3MB in the beginning and 2.3GB in the end (delta: -1.6GB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. * RCFGBuilder took 12327.55ms. Allocated memory was 2.7GB in the beginning and 7.3GB in the end (delta: 4.7GB). Free memory was 2.3GB in the beginning and 6.8GB in the end (delta: -4.5GB). Peak memory consumption was 603.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6394.45ms. Allocated memory was 7.3GB in the beginning and 7.8GB in the end (delta: 501.2MB). Free memory was 6.8GB in the beginning and 7.4GB in the end (delta: -561.5MB). Peak memory consumption was 469.2MB. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 7.8GB. Free memory is still 7.4GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 711, overapproximation of bitwiseAnd at line 716. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 4); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (4 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L38] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 8); [L39] const SORT_21 msb_SORT_21 = (SORT_21)1 << (8 - 1); [L41] const SORT_119 mask_SORT_119 = (SORT_119)-1 >> (sizeof(SORT_119) * 8 - 2); [L42] const SORT_119 msb_SORT_119 = (SORT_119)1 << (2 - 1); [L44] const SORT_5 var_6 = 0; [L45] const SORT_9 var_11 = 8; [L46] const SORT_3 var_13 = 0; [L47] const SORT_9 var_17 = 4; [L48] const SORT_21 var_22 = 0; [L49] const SORT_1 var_32 = 1; [L50] const SORT_1 var_36 = 0; [L51] const SORT_5 var_85 = 1; [L52] const SORT_9 var_87 = 10; [L53] const SORT_5 var_97 = 2; [L54] const SORT_5 var_100 = 3; [L55] const SORT_5 var_103 = 6; [L56] const SORT_5 var_104 = 4; [L57] const SORT_5 var_115 = 5; [L58] const SORT_3 var_122 = 1; [L59] const SORT_3 var_125 = 3; [L60] const SORT_3 var_128 = 2; [L61] const SORT_3 var_132 = 5; [L62] const SORT_3 var_135 = 7; [L63] const SORT_3 var_138 = 6; [L64] const SORT_3 var_142 = 4; [L65] const SORT_9 var_152 = 0; [L66] const SORT_5 var_165 = 7; [L67] const SORT_5 var_168 = 8; [L68] const SORT_5 var_173 = 9; [L69] const SORT_5 var_182 = 10; [L70] const SORT_9 var_238 = 1; [L71] const SORT_21 var_265 = 255; [L72] const SORT_119 var_317 = 1; [L73] const SORT_119 var_320 = 3; [L74] const SORT_119 var_323 = 2; [L76] SORT_1 input_2; [L77] SORT_3 input_4; [L78] SORT_3 input_80; [L79] SORT_5 input_82; [L80] SORT_5 input_83; [L81] SORT_5 input_84; [L82] SORT_5 input_101; [L83] SORT_5 input_102; [L84] SORT_5 input_113; [L85] SORT_5 input_114; [L86] SORT_1 input_116; [L87] SORT_1 input_117; [L88] SORT_5 input_171; [L89] SORT_5 input_172; [L90] SORT_5 input_180; [L91] SORT_5 input_181; [L92] SORT_1 input_183; [L93] SORT_1 input_184; [L94] SORT_3 input_234; [L95] SORT_21 input_254; [L96] SORT_21 input_255; [L97] SORT_21 input_256; [L98] SORT_21 input_263; [L99] SORT_21 input_264; [L100] SORT_21 input_307; [L101] SORT_1 input_313; [L102] SORT_1 input_314; [L103] SORT_1 input_315; [L104] SORT_1 input_327; [L105] SORT_1 input_337; [L106] SORT_1 input_343; [L107] SORT_1 input_348; [L108] SORT_1 input_350; [L109] SORT_1 input_360; [L110] SORT_1 input_379; [L111] SORT_1 input_385; [L112] SORT_1 input_386; [L113] SORT_1 input_387; [L114] SORT_1 input_398; [L115] SORT_1 input_403; [L116] SORT_1 input_405; [L117] SORT_1 input_415; [L118] SORT_1 input_434; [L119] SORT_1 input_440; [L120] SORT_1 input_441; [L121] SORT_1 input_442; [L122] SORT_1 input_453; [L123] SORT_1 input_458; [L124] SORT_1 input_460; [L125] SORT_1 input_470; [L126] SORT_1 input_489; [L127] SORT_1 input_495; [L128] SORT_1 input_496; [L129] SORT_1 input_497; [L130] SORT_1 input_508; [L131] SORT_1 input_513; [L132] SORT_1 input_515; [L133] SORT_1 input_525; [L134] SORT_1 input_544; [L135] SORT_1 input_548; [L136] SORT_1 input_549; [L137] SORT_1 input_550; [L138] SORT_1 input_560; [L139] SORT_1 input_585; [L140] SORT_1 input_588; [L141] SORT_1 input_598; [L142] SORT_1 input_623; [L143] SORT_1 input_627; [L144] SORT_1 input_628; [L145] SORT_1 input_629; [L146] SORT_1 input_630; [L147] SORT_1 input_638; [L148] SORT_1 input_642; [L149] SORT_1 input_666; [L150] SORT_1 input_670; [L151] SORT_1 input_673; [L152] SORT_1 input_681; [L153] SORT_1 input_685; [L154] SORT_1 input_709; [L155] SORT_1 input_713; [L156] SORT_1 input_718; [L157] SORT_1 input_727; [L158] SORT_1 input_728; [L159] SORT_1 input_729; [L160] SORT_1 input_739; [L161] SORT_1 input_764; [L162] SORT_1 input_767; [L163] SORT_1 input_777; [L164] SORT_1 input_802; [L165] SORT_1 input_804; [L166] SORT_1 input_805; [L167] SORT_1 input_806; [L168] SORT_1 input_807; [L169] SORT_1 input_808; [L170] SORT_1 input_809; [L171] SORT_1 input_810; [L172] SORT_1 input_818; [L173] SORT_1 input_828; [L174] SORT_1 input_833; [L175] SORT_1 input_860; [L176] SORT_1 input_863; [L177] SORT_1 input_864; [L178] SORT_1 input_875; [L179] SORT_1 input_902; [L180] SORT_1 input_907; [L181] SORT_1 input_919; [L182] SORT_1 input_923; [L183] SORT_1 input_945; [L184] SORT_1 input_949; [L185] SORT_1 input_950; [L186] SORT_1 input_970; [L187] SORT_1 input_974; [L188] SORT_1 input_979; [L189] SORT_1 input_988; [L190] SORT_1 input_1010; [L191] SORT_1 input_1012; [L192] SORT_1 input_1013; [L193] SORT_1 input_1014; [L194] SORT_1 input_1037; [L195] SORT_1 input_1042; [L196] SORT_1 input_1054; [L197] SORT_1 input_1058; [L198] SORT_1 input_1080; [L199] SORT_1 input_1084; [L200] SORT_1 input_1085; [L201] SORT_1 input_1105; [L202] SORT_1 input_1109; [L203] SORT_1 input_1114; [L204] SORT_1 input_1123; [L205] SORT_1 input_1145; [L206] SORT_1 input_1147; [L207] SORT_1 input_1148; [L208] SORT_1 input_1149; [L209] SORT_1 input_1172; [L210] SORT_1 input_1177; [L211] SORT_1 input_1189; [L212] SORT_1 input_1193; [L213] SORT_1 input_1215; [L214] SORT_1 input_1219; [L215] SORT_1 input_1220; [L216] SORT_1 input_1240; [L217] SORT_1 input_1244; [L218] SORT_1 input_1249; [L219] SORT_1 input_1258; [L220] SORT_1 input_1280; [L221] SORT_1 input_1282; [L222] SORT_1 input_1283; [L223] SORT_1 input_1284; [L224] SORT_1 input_1307; [L225] SORT_1 input_1312; [L226] SORT_1 input_1324; [L227] SORT_1 input_1328; [L228] SORT_1 input_1350; [L229] SORT_1 input_1354; [L230] SORT_1 input_1355; [L231] SORT_1 input_1375; [L232] SORT_1 input_1379; [L233] SORT_1 input_1384; [L234] SORT_1 input_1393; [L235] SORT_1 input_1415; [L236] SORT_1 input_1417; [L237] SORT_1 input_1418; [L238] SORT_1 input_1419; [L239] SORT_1 input_1442; [L240] SORT_1 input_1447; [L241] SORT_1 input_1459; [L242] SORT_1 input_1463; [L243] SORT_1 input_1485; [L244] SORT_1 input_1489; [L245] SORT_1 input_1490; [L246] SORT_1 input_1510; [L247] SORT_1 input_1514; [L248] SORT_1 input_1519; [L249] SORT_1 input_1528; [L250] SORT_1 input_1550; [L251] SORT_1 input_1552; [L252] SORT_1 input_1553; [L253] SORT_1 input_1554; [L254] SORT_1 input_1577; [L255] SORT_1 input_1582; [L256] SORT_1 input_1594; [L257] SORT_1 input_1598; [L258] SORT_1 input_1620; [L259] SORT_1 input_1624; [L260] SORT_1 input_1625; [L261] SORT_1 input_1645; [L262] SORT_1 input_1649; [L263] SORT_1 input_1654; [L264] SORT_1 input_1663; [L265] SORT_1 input_1685; [L266] SORT_1 input_1687; [L267] SORT_1 input_1688; [L268] SORT_1 input_1689; [L269] SORT_1 input_1712; [L270] SORT_1 input_1717; [L271] SORT_1 input_1729; [L272] SORT_1 input_1733; [L273] SORT_1 input_1755; [L274] SORT_1 input_1759; [L275] SORT_1 input_1760; [L276] SORT_1 input_1780; [L277] SORT_1 input_1784; [L278] SORT_1 input_1789; [L279] SORT_1 input_1798; [L280] SORT_1 input_1820; [L281] SORT_1 input_1822; [L282] SORT_1 input_1823; [L283] SORT_1 input_1824; [L284] SORT_1 input_1847; [L285] SORT_1 input_1852; [L286] SORT_1 input_1864; [L287] SORT_1 input_1868; [L288] SORT_1 input_1875; [L289] SORT_1 input_1876; [L290] SORT_1 input_1877; [L291] SORT_1 input_1890; [L292] SORT_1 input_1895; [L293] SORT_1 input_1916; [L294] SORT_1 input_1920; [L295] SORT_1 input_1921; [L296] SORT_1 input_1922; [L297] SORT_1 input_1933; [L298] SORT_1 input_1938; [L299] SORT_1 input_1959; [L300] SORT_1 input_1963; [L301] SORT_1 input_1964; [L302] SORT_1 input_1965; [L303] SORT_1 input_1976; [L304] SORT_1 input_1981; [L305] SORT_1 input_2002; [L306] SORT_1 input_2006; [L307] SORT_1 input_2007; [L308] SORT_1 input_2008; [L309] SORT_1 input_2019; [L310] SORT_1 input_2024; [L311] SORT_1 input_2045; [L312] SORT_3 input_2050; [L313] SORT_3 input_2085; [L314] SORT_3 input_2086; [L315] SORT_3 input_2087; [L316] SORT_3 input_2088; [L317] SORT_3 input_2089; [L318] SORT_3 input_2090; [L319] SORT_3 input_2091; [L320] SORT_3 input_2092; [L321] SORT_3 input_2093; [L322] SORT_3 input_2097; [L323] SORT_3 input_2105; [L324] SORT_3 input_2108; [L325] SORT_3 input_2122; [L326] SORT_3 input_2123; [L327] SORT_3 input_2127; [L328] SORT_3 input_2141; [L329] SORT_3 input_2142; [L330] SORT_3 input_2146; [L331] SORT_3 input_2160; [L332] SORT_3 input_2163; [L333] SORT_3 input_2177; [L334] SORT_3 input_2180; [L335] SORT_3 input_2194; [L336] SORT_3 input_2197; [L337] SORT_3 input_2211; [L338] SORT_3 input_2214; [L339] SORT_3 input_2231; [L340] SORT_3 input_2234; [L342] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L342] SORT_5 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L343] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L343] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L344] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L344] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L345] EXPR __VERIFIER_nondet_uchar() & mask_SORT_21 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L345] SORT_21 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L346] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L346] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L347] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L347] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L348] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L348] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L349] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L349] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L350] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L350] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L351] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L351] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L352] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L352] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L353] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L353] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L354] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L354] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L355] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L355] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L356] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L356] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L357] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L357] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L358] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L358] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L359] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L359] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L360] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L360] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L361] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L361] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L362] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L362] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L363] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L363] SORT_3 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L364] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L364] SORT_3 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L365] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L365] SORT_3 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L366] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_22=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L366] SORT_3 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L368] SORT_5 init_8_arg_1 = var_6; [L369] state_7 = init_8_arg_1 [L370] SORT_3 init_15_arg_1 = var_13; [L371] state_14 = init_15_arg_1 [L372] SORT_21 init_24_arg_1 = var_22; [L373] state_23 = init_24_arg_1 [L374] SORT_21 init_26_arg_1 = var_22; [L375] state_25 = init_26_arg_1 [L376] SORT_1 init_38_arg_1 = var_36; [L377] state_37 = init_38_arg_1 [L378] SORT_1 init_40_arg_1 = var_36; [L379] state_39 = init_40_arg_1 [L380] SORT_1 init_42_arg_1 = var_36; [L381] state_41 = init_42_arg_1 [L382] SORT_1 init_44_arg_1 = var_36; [L383] state_43 = init_44_arg_1 [L384] SORT_1 init_46_arg_1 = var_36; [L385] state_45 = init_46_arg_1 [L386] SORT_1 init_48_arg_1 = var_36; [L387] state_47 = init_48_arg_1 [L388] SORT_1 init_50_arg_1 = var_36; [L389] state_49 = init_50_arg_1 [L390] SORT_1 init_52_arg_1 = var_36; [L391] state_51 = init_52_arg_1 [L392] SORT_1 init_54_arg_1 = var_36; [L393] state_53 = init_54_arg_1 [L394] SORT_1 init_56_arg_1 = var_36; [L395] state_55 = init_56_arg_1 [L396] SORT_1 init_58_arg_1 = var_36; [L397] state_57 = init_58_arg_1 [L398] SORT_1 init_60_arg_1 = var_36; [L399] state_59 = init_60_arg_1 [L400] SORT_1 init_62_arg_1 = var_36; [L401] state_61 = init_62_arg_1 [L402] SORT_1 init_64_arg_1 = var_36; [L403] state_63 = init_64_arg_1 [L404] SORT_1 init_66_arg_1 = var_36; [L405] state_65 = init_66_arg_1 [L406] SORT_1 init_68_arg_1 = var_36; [L407] state_67 = init_68_arg_1 [L408] SORT_1 init_70_arg_1 = var_36; [L409] state_69 = init_70_arg_1 [L410] SORT_3 init_72_arg_1 = var_13; [L411] state_71 = init_72_arg_1 [L412] SORT_3 init_74_arg_1 = var_13; [L413] state_73 = init_74_arg_1 [L414] SORT_3 init_76_arg_1 = var_13; [L415] state_75 = init_76_arg_1 [L416] SORT_3 init_78_arg_1 = var_13; [L417] state_77 = init_78_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L420] input_2 = __VERIFIER_nondet_uchar() [L421] input_4 = __VERIFIER_nondet_uchar() [L422] input_80 = __VERIFIER_nondet_uchar() [L423] input_82 = __VERIFIER_nondet_uchar() [L424] input_83 = __VERIFIER_nondet_uchar() [L425] input_84 = __VERIFIER_nondet_uchar() [L426] input_101 = __VERIFIER_nondet_uchar() [L427] input_102 = __VERIFIER_nondet_uchar() [L428] input_113 = __VERIFIER_nondet_uchar() [L429] input_114 = __VERIFIER_nondet_uchar() [L430] input_116 = __VERIFIER_nondet_uchar() [L431] input_117 = __VERIFIER_nondet_uchar() [L432] input_171 = __VERIFIER_nondet_uchar() [L433] input_172 = __VERIFIER_nondet_uchar() [L434] input_180 = __VERIFIER_nondet_uchar() [L435] input_181 = __VERIFIER_nondet_uchar() [L436] input_183 = __VERIFIER_nondet_uchar() [L437] input_184 = __VERIFIER_nondet_uchar() [L438] input_234 = __VERIFIER_nondet_uchar() [L439] input_254 = __VERIFIER_nondet_uchar() [L440] input_255 = __VERIFIER_nondet_uchar() [L441] input_256 = __VERIFIER_nondet_uchar() [L442] input_263 = __VERIFIER_nondet_uchar() [L443] input_264 = __VERIFIER_nondet_uchar() [L444] input_307 = __VERIFIER_nondet_uchar() [L445] input_313 = __VERIFIER_nondet_uchar() [L446] input_314 = __VERIFIER_nondet_uchar() [L447] input_315 = __VERIFIER_nondet_uchar() [L448] input_327 = __VERIFIER_nondet_uchar() [L449] input_337 = __VERIFIER_nondet_uchar() [L450] input_343 = __VERIFIER_nondet_uchar() [L451] input_348 = __VERIFIER_nondet_uchar() [L452] input_350 = __VERIFIER_nondet_uchar() [L453] input_360 = __VERIFIER_nondet_uchar() [L454] input_379 = __VERIFIER_nondet_uchar() [L455] input_385 = __VERIFIER_nondet_uchar() [L456] input_386 = __VERIFIER_nondet_uchar() [L457] input_387 = __VERIFIER_nondet_uchar() [L458] input_398 = __VERIFIER_nondet_uchar() [L459] input_403 = __VERIFIER_nondet_uchar() [L460] input_405 = __VERIFIER_nondet_uchar() [L461] input_415 = __VERIFIER_nondet_uchar() [L462] input_434 = __VERIFIER_nondet_uchar() [L463] input_440 = __VERIFIER_nondet_uchar() [L464] input_441 = __VERIFIER_nondet_uchar() [L465] input_442 = __VERIFIER_nondet_uchar() [L466] input_453 = __VERIFIER_nondet_uchar() [L467] input_458 = __VERIFIER_nondet_uchar() [L468] input_460 = __VERIFIER_nondet_uchar() [L469] input_470 = __VERIFIER_nondet_uchar() [L470] input_489 = __VERIFIER_nondet_uchar() [L471] input_495 = __VERIFIER_nondet_uchar() [L472] input_496 = __VERIFIER_nondet_uchar() [L473] input_497 = __VERIFIER_nondet_uchar() [L474] input_508 = __VERIFIER_nondet_uchar() [L475] input_513 = __VERIFIER_nondet_uchar() [L476] input_515 = __VERIFIER_nondet_uchar() [L477] input_525 = __VERIFIER_nondet_uchar() [L478] input_544 = __VERIFIER_nondet_uchar() [L479] input_548 = __VERIFIER_nondet_uchar() [L480] input_549 = __VERIFIER_nondet_uchar() [L481] input_550 = __VERIFIER_nondet_uchar() [L482] input_560 = __VERIFIER_nondet_uchar() [L483] input_585 = __VERIFIER_nondet_uchar() [L484] input_588 = __VERIFIER_nondet_uchar() [L485] input_598 = __VERIFIER_nondet_uchar() [L486] input_623 = __VERIFIER_nondet_uchar() [L487] input_627 = __VERIFIER_nondet_uchar() [L488] input_628 = __VERIFIER_nondet_uchar() [L489] input_629 = __VERIFIER_nondet_uchar() [L490] input_630 = __VERIFIER_nondet_uchar() [L491] input_638 = __VERIFIER_nondet_uchar() [L492] input_642 = __VERIFIER_nondet_uchar() [L493] input_666 = __VERIFIER_nondet_uchar() [L494] input_670 = __VERIFIER_nondet_uchar() [L495] input_673 = __VERIFIER_nondet_uchar() [L496] input_681 = __VERIFIER_nondet_uchar() [L497] input_685 = __VERIFIER_nondet_uchar() [L498] input_709 = __VERIFIER_nondet_uchar() [L499] input_713 = __VERIFIER_nondet_uchar() [L500] input_718 = __VERIFIER_nondet_uchar() [L501] input_727 = __VERIFIER_nondet_uchar() [L502] input_728 = __VERIFIER_nondet_uchar() [L503] input_729 = __VERIFIER_nondet_uchar() [L504] input_739 = __VERIFIER_nondet_uchar() [L505] input_764 = __VERIFIER_nondet_uchar() [L506] input_767 = __VERIFIER_nondet_uchar() [L507] input_777 = __VERIFIER_nondet_uchar() [L508] input_802 = __VERIFIER_nondet_uchar() [L509] input_804 = __VERIFIER_nondet_uchar() [L510] input_805 = __VERIFIER_nondet_uchar() [L511] input_806 = __VERIFIER_nondet_uchar() [L512] input_807 = __VERIFIER_nondet_uchar() [L513] input_808 = __VERIFIER_nondet_uchar() [L514] input_809 = __VERIFIER_nondet_uchar() [L515] input_810 = __VERIFIER_nondet_uchar() [L516] input_818 = __VERIFIER_nondet_uchar() [L517] input_828 = __VERIFIER_nondet_uchar() [L518] input_833 = __VERIFIER_nondet_uchar() [L519] input_860 = __VERIFIER_nondet_uchar() [L520] input_863 = __VERIFIER_nondet_uchar() [L521] input_864 = __VERIFIER_nondet_uchar() [L522] input_875 = __VERIFIER_nondet_uchar() [L523] input_902 = __VERIFIER_nondet_uchar() [L524] input_907 = __VERIFIER_nondet_uchar() [L525] input_919 = __VERIFIER_nondet_uchar() [L526] input_923 = __VERIFIER_nondet_uchar() [L527] input_945 = __VERIFIER_nondet_uchar() [L528] input_949 = __VERIFIER_nondet_uchar() [L529] input_950 = __VERIFIER_nondet_uchar() [L530] input_970 = __VERIFIER_nondet_uchar() [L531] input_974 = __VERIFIER_nondet_uchar() [L532] input_979 = __VERIFIER_nondet_uchar() [L533] input_988 = __VERIFIER_nondet_uchar() [L534] input_1010 = __VERIFIER_nondet_uchar() [L535] input_1012 = __VERIFIER_nondet_uchar() [L536] input_1013 = __VERIFIER_nondet_uchar() [L537] input_1014 = __VERIFIER_nondet_uchar() [L538] input_1037 = __VERIFIER_nondet_uchar() [L539] input_1042 = __VERIFIER_nondet_uchar() [L540] input_1054 = __VERIFIER_nondet_uchar() [L541] input_1058 = __VERIFIER_nondet_uchar() [L542] input_1080 = __VERIFIER_nondet_uchar() [L543] input_1084 = __VERIFIER_nondet_uchar() [L544] input_1085 = __VERIFIER_nondet_uchar() [L545] input_1105 = __VERIFIER_nondet_uchar() [L546] input_1109 = __VERIFIER_nondet_uchar() [L547] input_1114 = __VERIFIER_nondet_uchar() [L548] input_1123 = __VERIFIER_nondet_uchar() [L549] input_1145 = __VERIFIER_nondet_uchar() [L550] input_1147 = __VERIFIER_nondet_uchar() [L551] input_1148 = __VERIFIER_nondet_uchar() [L552] input_1149 = __VERIFIER_nondet_uchar() [L553] input_1172 = __VERIFIER_nondet_uchar() [L554] input_1177 = __VERIFIER_nondet_uchar() [L555] input_1189 = __VERIFIER_nondet_uchar() [L556] input_1193 = __VERIFIER_nondet_uchar() [L557] input_1215 = __VERIFIER_nondet_uchar() [L558] input_1219 = __VERIFIER_nondet_uchar() [L559] input_1220 = __VERIFIER_nondet_uchar() [L560] input_1240 = __VERIFIER_nondet_uchar() [L561] input_1244 = __VERIFIER_nondet_uchar() [L562] input_1249 = __VERIFIER_nondet_uchar() [L563] input_1258 = __VERIFIER_nondet_uchar() [L564] input_1280 = __VERIFIER_nondet_uchar() [L565] input_1282 = __VERIFIER_nondet_uchar() [L566] input_1283 = __VERIFIER_nondet_uchar() [L567] input_1284 = __VERIFIER_nondet_uchar() [L568] input_1307 = __VERIFIER_nondet_uchar() [L569] input_1312 = __VERIFIER_nondet_uchar() [L570] input_1324 = __VERIFIER_nondet_uchar() [L571] input_1328 = __VERIFIER_nondet_uchar() [L572] input_1350 = __VERIFIER_nondet_uchar() [L573] input_1354 = __VERIFIER_nondet_uchar() [L574] input_1355 = __VERIFIER_nondet_uchar() [L575] input_1375 = __VERIFIER_nondet_uchar() [L576] input_1379 = __VERIFIER_nondet_uchar() [L577] input_1384 = __VERIFIER_nondet_uchar() [L578] input_1393 = __VERIFIER_nondet_uchar() [L579] input_1415 = __VERIFIER_nondet_uchar() [L580] input_1417 = __VERIFIER_nondet_uchar() [L581] input_1418 = __VERIFIER_nondet_uchar() [L582] input_1419 = __VERIFIER_nondet_uchar() [L583] input_1442 = __VERIFIER_nondet_uchar() [L584] input_1447 = __VERIFIER_nondet_uchar() [L585] input_1459 = __VERIFIER_nondet_uchar() [L586] input_1463 = __VERIFIER_nondet_uchar() [L587] input_1485 = __VERIFIER_nondet_uchar() [L588] input_1489 = __VERIFIER_nondet_uchar() [L589] input_1490 = __VERIFIER_nondet_uchar() [L590] input_1510 = __VERIFIER_nondet_uchar() [L591] input_1514 = __VERIFIER_nondet_uchar() [L592] input_1519 = __VERIFIER_nondet_uchar() [L593] input_1528 = __VERIFIER_nondet_uchar() [L594] input_1550 = __VERIFIER_nondet_uchar() [L595] input_1552 = __VERIFIER_nondet_uchar() [L596] input_1553 = __VERIFIER_nondet_uchar() [L597] input_1554 = __VERIFIER_nondet_uchar() [L598] input_1577 = __VERIFIER_nondet_uchar() [L599] input_1582 = __VERIFIER_nondet_uchar() [L600] input_1594 = __VERIFIER_nondet_uchar() [L601] input_1598 = __VERIFIER_nondet_uchar() [L602] input_1620 = __VERIFIER_nondet_uchar() [L603] input_1624 = __VERIFIER_nondet_uchar() [L604] input_1625 = __VERIFIER_nondet_uchar() [L605] input_1645 = __VERIFIER_nondet_uchar() [L606] input_1649 = __VERIFIER_nondet_uchar() [L607] input_1654 = __VERIFIER_nondet_uchar() [L608] input_1663 = __VERIFIER_nondet_uchar() [L609] input_1685 = __VERIFIER_nondet_uchar() [L610] input_1687 = __VERIFIER_nondet_uchar() [L611] input_1688 = __VERIFIER_nondet_uchar() [L612] input_1689 = __VERIFIER_nondet_uchar() [L613] input_1712 = __VERIFIER_nondet_uchar() [L614] input_1717 = __VERIFIER_nondet_uchar() [L615] input_1729 = __VERIFIER_nondet_uchar() [L616] input_1733 = __VERIFIER_nondet_uchar() [L617] input_1755 = __VERIFIER_nondet_uchar() [L618] input_1759 = __VERIFIER_nondet_uchar() [L619] input_1760 = __VERIFIER_nondet_uchar() [L620] input_1780 = __VERIFIER_nondet_uchar() [L621] input_1784 = __VERIFIER_nondet_uchar() [L622] input_1789 = __VERIFIER_nondet_uchar() [L623] input_1798 = __VERIFIER_nondet_uchar() [L624] input_1820 = __VERIFIER_nondet_uchar() [L625] input_1822 = __VERIFIER_nondet_uchar() [L626] input_1823 = __VERIFIER_nondet_uchar() [L627] input_1824 = __VERIFIER_nondet_uchar() [L628] input_1847 = __VERIFIER_nondet_uchar() [L629] input_1852 = __VERIFIER_nondet_uchar() [L630] input_1864 = __VERIFIER_nondet_uchar() [L631] input_1868 = __VERIFIER_nondet_uchar() [L632] input_1875 = __VERIFIER_nondet_uchar() [L633] input_1876 = __VERIFIER_nondet_uchar() [L634] input_1877 = __VERIFIER_nondet_uchar() [L635] input_1890 = __VERIFIER_nondet_uchar() [L636] input_1895 = __VERIFIER_nondet_uchar() [L637] input_1916 = __VERIFIER_nondet_uchar() [L638] input_1920 = __VERIFIER_nondet_uchar() [L639] input_1921 = __VERIFIER_nondet_uchar() [L640] input_1922 = __VERIFIER_nondet_uchar() [L641] input_1933 = __VERIFIER_nondet_uchar() [L642] input_1938 = __VERIFIER_nondet_uchar() [L643] input_1959 = __VERIFIER_nondet_uchar() [L644] input_1963 = __VERIFIER_nondet_uchar() [L645] input_1964 = __VERIFIER_nondet_uchar() [L646] input_1965 = __VERIFIER_nondet_uchar() [L647] input_1976 = __VERIFIER_nondet_uchar() [L648] input_1981 = __VERIFIER_nondet_uchar() [L649] input_2002 = __VERIFIER_nondet_uchar() [L650] input_2006 = __VERIFIER_nondet_uchar() [L651] input_2007 = __VERIFIER_nondet_uchar() [L652] input_2008 = __VERIFIER_nondet_uchar() [L653] input_2019 = __VERIFIER_nondet_uchar() [L654] input_2024 = __VERIFIER_nondet_uchar() [L655] input_2045 = __VERIFIER_nondet_uchar() [L656] input_2050 = __VERIFIER_nondet_uchar() [L657] input_2085 = __VERIFIER_nondet_uchar() [L658] input_2086 = __VERIFIER_nondet_uchar() [L659] input_2087 = __VERIFIER_nondet_uchar() [L660] input_2088 = __VERIFIER_nondet_uchar() [L661] input_2089 = __VERIFIER_nondet_uchar() [L662] input_2090 = __VERIFIER_nondet_uchar() [L663] input_2091 = __VERIFIER_nondet_uchar() [L664] input_2092 = __VERIFIER_nondet_uchar() [L665] input_2093 = __VERIFIER_nondet_uchar() [L666] input_2097 = __VERIFIER_nondet_uchar() [L667] input_2105 = __VERIFIER_nondet_uchar() [L668] input_2108 = __VERIFIER_nondet_uchar() [L669] input_2122 = __VERIFIER_nondet_uchar() [L670] input_2123 = __VERIFIER_nondet_uchar() [L671] input_2127 = __VERIFIER_nondet_uchar() [L672] input_2141 = __VERIFIER_nondet_uchar() [L673] input_2142 = __VERIFIER_nondet_uchar() [L674] input_2146 = __VERIFIER_nondet_uchar() [L675] input_2160 = __VERIFIER_nondet_uchar() [L676] input_2163 = __VERIFIER_nondet_uchar() [L677] input_2177 = __VERIFIER_nondet_uchar() [L678] input_2180 = __VERIFIER_nondet_uchar() [L679] input_2194 = __VERIFIER_nondet_uchar() [L680] input_2197 = __VERIFIER_nondet_uchar() [L681] input_2211 = __VERIFIER_nondet_uchar() [L682] input_2214 = __VERIFIER_nondet_uchar() [L683] input_2231 = __VERIFIER_nondet_uchar() [L684] input_2234 = __VERIFIER_nondet_uchar() [L687] SORT_5 var_10_arg_0 = state_7; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_10_arg_0=0, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L688] EXPR var_10_arg_0 & mask_SORT_5 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L688] var_10_arg_0 = var_10_arg_0 & mask_SORT_5 [L689] SORT_9 var_10 = var_10_arg_0; [L690] SORT_9 var_12_arg_0 = var_10; [L691] SORT_9 var_12_arg_1 = var_11; [L692] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L693] SORT_3 var_16_arg_0 = state_14; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_12=0, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_16_arg_0=0, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L694] EXPR var_16_arg_0 & mask_SORT_3 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_12=0, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L694] var_16_arg_0 = var_16_arg_0 & mask_SORT_3 [L695] SORT_9 var_16 = var_16_arg_0; [L696] SORT_9 var_18_arg_0 = var_16; [L697] SORT_9 var_18_arg_1 = var_17; [L698] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L699] SORT_1 var_19_arg_0 = var_12; [L700] SORT_1 var_19_arg_1 = var_18; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_19_arg_0=0, var_19_arg_1=0, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L701] EXPR var_19_arg_0 & var_19_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L701] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L702] SORT_1 var_20_arg_0 = var_19; [L703] SORT_1 var_20 = ~var_20_arg_0; [L704] SORT_21 var_27_arg_0 = state_23; [L705] SORT_21 var_27_arg_1 = state_25; [L706] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L707] SORT_1 var_28_arg_0 = var_27; [L708] SORT_1 var_28 = ~var_28_arg_0; [L709] SORT_1 var_29_arg_0 = var_20; [L710] SORT_1 var_29_arg_1 = var_28; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_29_arg_0=-1, var_29_arg_1=-2, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L711] EXPR var_29_arg_0 | var_29_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L711] SORT_1 var_29 = var_29_arg_0 | var_29_arg_1; [L712] SORT_1 var_33_arg_0 = var_29; [L713] SORT_1 var_33 = ~var_33_arg_0; [L714] SORT_1 var_34_arg_0 = var_32; [L715] SORT_1 var_34_arg_1 = var_33; VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_34_arg_0=1, var_34_arg_1=-1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L716] EXPR var_34_arg_0 & var_34_arg_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L716] SORT_1 var_34 = var_34_arg_0 & var_34_arg_1; [L717] EXPR var_34 & mask_SORT_1 VAL [mask_SORT_119=3, mask_SORT_1=1, mask_SORT_21=255, mask_SORT_3=7, mask_SORT_5=15, state_14=0, state_23=0, state_25=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_7=0, var_100=3, var_103=6, var_104=4, var_115=5, var_11=8, var_122=1, var_125=3, var_128=2, var_132=5, var_135=7, var_138=6, var_13=0, var_142=4, var_152=0, var_165=7, var_168=8, var_173=9, var_17=4, var_182=10, var_238=1, var_265=255, var_317=1, var_320=3, var_323=2, var_32=1, var_36=0, var_6=0, var_85=1, var_87=10, var_97=2] [L717] var_34 = var_34 & mask_SORT_1 [L718] SORT_1 bad_35_arg_0 = var_34; [L719] CALL __VERIFIER_assert(!(bad_35_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2803 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26977 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26977 mSDsluCounter, 142387 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108865 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 404 IncrementalHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 33522 mSDtfsCounter, 404 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2824occurred in iteration=7, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2078 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 1364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 [2024-10-24 04:11:14,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.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 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 04:11:16,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:11:16,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-24 04:11:16,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:11:16,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:11:16,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:11:16,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:11:16,783 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:11:16,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:11:16,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:11:16,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:11:16,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:11:16,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:11:16,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:11:16,787 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:11:16,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:11:16,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:11:16,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:11:16,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:11:16,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:11:16,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:11:16,791 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 04:11:16,791 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 04:11:16,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:11:16,791 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 04:11:16,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:11:16,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:11:16,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:11:16,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:11:16,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:11:16,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:11:16,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:11:16,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:11:16,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:11:16,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:11:16,792 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 04:11:16,793 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 04:11:16,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:11:16,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:11:16,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:11:16,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:11:16,795 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 04:11:16,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 989167cdc6f1f9ae68f3806482f28467b7e8438651a9e2428c202dcc566124fd [2024-10-24 04:11:17,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:11:17,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:11:17,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:11:17,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:11:17,097 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:11:17,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2024-10-24 04:11:18,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:11:18,891 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:11:18,893 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_RCU.c [2024-10-24 04:11:18,931 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eebb2737/e8f284d1e5ed4139a10dc75d19b02507/FLAG2e02d7a2f [2024-10-24 04:11:19,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eebb2737/e8f284d1e5ed4139a10dc75d19b02507 [2024-10-24 04:11:19,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:11:19,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:11:19,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:11:19,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:11:19,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:11:19,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:11:19" (1/1) ... [2024-10-24 04:11:19,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d535af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:19, skipping insertion in model container [2024-10-24 04:11:19,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:11:19" (1/1) ... [2024-10-24 04:11:19,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:11:19,379 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.h_RCU.c[1245,1258] [2024-10-24 04:11:20,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:11:20,173 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:11:20,183 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.h_RCU.c[1245,1258] [2024-10-24 04:11:20,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:11:20,525 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:11:20,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20 WrapperNode [2024-10-24 04:11:20,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:11:20,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:11:20,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:11:20,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:11:20,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:20,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:20,889 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8042 [2024-10-24 04:11:20,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:11:20,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:11:20,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:11:20,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:11:20,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:20,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,130 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-24 04:11:21,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:11:21,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:11:21,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:11:21,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:11:21,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (1/1) ... [2024-10-24 04:11:21,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:11:21,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:11:21,540 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) [2024-10-24 04:11:21,553 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 [2024-10-24 04:11:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:11:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 04:11:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-24 04:11:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:11:21,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:11:22,654 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:11:22,657 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:11:30,116 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-10-24 04:11:30,117 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:11:30,309 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:11:30,310 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:11:30,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:30 BoogieIcfgContainer [2024-10-24 04:11:30,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:11:30,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:11:30,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:11:30,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:11:30,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:11:19" (1/3) ... [2024-10-24 04:11:30,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d272eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:30, skipping insertion in model container [2024-10-24 04:11:30,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:20" (2/3) ... [2024-10-24 04:11:30,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d272eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:30, skipping insertion in model container [2024-10-24 04:11:30,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:30" (3/3) ... [2024-10-24 04:11:30,317 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_RCU.c [2024-10-24 04:11:30,330 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:11:30,330 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:11:30,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:11:30,394 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;@26ee2d72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:11:30,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:11:30,397 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) [2024-10-24 04:11:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 04:11:30,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:30,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 04:11:30,402 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:30,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:30,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-24 04:11:30,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:11:30,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226881390] [2024-10-24 04:11:30,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:30,416 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 [2024-10-24 04:11:30,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:11:30,419 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) [2024-10-24 04:11:30,420 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 [2024-10-24 04:11:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:31,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 04:11:31,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 04:11:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:31,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 04:11:31,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 04:11:31,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226881390] [2024-10-24 04:11:31,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226881390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:31,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:31,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 04:11:31,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451805347] [2024-10-24 04:11:31,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:31,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:31,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 04:11:31,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:31,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:31,795 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) [2024-10-24 04:11:32,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:32,010 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-24 04:11:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:32,012 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 [2024-10-24 04:11:32,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:32,018 INFO L225 Difference]: With dead ends: 15 [2024-10-24 04:11:32,018 INFO L226 Difference]: Without dead ends: 9 [2024-10-24 04:11:32,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:32,023 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:32,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:11:32,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-24 04:11:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-24 04:11:32,048 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) [2024-10-24 04:11:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-24 04:11:32,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-24 04:11:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:32,049 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-24 04:11:32,050 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) [2024-10-24 04:11:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-24 04:11:32,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 04:11:32,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:32,051 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-24 04:11:32,060 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 [2024-10-24 04:11:32,252 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 [2024-10-24 04:11:32,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:32,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:32,254 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-24 04:11:32,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:11:32,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047326532] [2024-10-24 04:11:32,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:32,256 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 [2024-10-24 04:11:32,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:11:32,259 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) [2024-10-24 04:11:32,264 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 [2024-10-24 04:11:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:33,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-24 04:11:33,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 04:11:34,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:34,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 04:11:42,268 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (forall ((|v_ULTIMATE.start_main_~var_29_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_19_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_29_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_19_arg_0~0#1_16|))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_0~0#1_16|)))))))) (let ((.cse29 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_7~0#1|)) (.cse30 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_14~0#1|))) (let ((.cse7 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_238~0#1| (_ BitVec 32))) (let ((.cse31 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (or (not (bvuge ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|) .cse31))) |c_ULTIMATE.start_main_~var_17~0#1|)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 .cse31))) |ULTIMATE.start_main_~var_238~0#1|))))))))))) .cse31))) |c_ULTIMATE.start_main_~var_17~0#1|)))))) (.cse8 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_97~0#1|) .cse29)) (.cse5 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_182~0#1|) .cse29)) (.cse22 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_13~0#1|)))))))))) (.cse26 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 (_ bv1 32))))) (.cse3 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_165~0#1|) .cse29)) (.cse25 ((_ zero_extend 24) ((_ extract 7 0) .cse30)))) (let ((.cse1 (= .cse29 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_115~0#1|))) (.cse2 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (let ((.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (or (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse25 .cse28))) |c_ULTIMATE.start_main_~var_17~0#1|)) (bvuge ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|) .cse28))) |c_ULTIMATE.start_main_~var_17~0#1|))))) (.cse12 (not .cse3)) (.cse10 (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (or (not (bvuge ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|) .cse27))) |c_ULTIMATE.start_main_~var_17~0#1|)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse27))) |c_ULTIMATE.start_main_~var_17~0#1|))))) .cse26)) (.cse13 (not .cse5)) (.cse6 (not .cse8)) (.cse15 (or .cse7 .cse26)) (.cse16 (not .cse26))) (and (or (not .cse1) (let ((.cse11 (or .cse7 .cse16))) (let ((.cse4 (or .cse13 (let ((.cse14 (and .cse15 .cse11))) (and (or .cse14 .cse6) (or .cse14 .cse8)))))) (and .cse2 (or .cse3 (and .cse4 (or .cse5 (and (or .cse6 .cse7) (or .cse8 .cse7))))) (or (and (or .cse5 (let ((.cse9 (and .cse10 .cse11))) (and (or .cse8 .cse9) (or .cse6 .cse9)))) .cse4) .cse12))))) (or .cse1 (let ((.cse17 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (or (not (bvuge ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|) .cse24))) |c_ULTIMATE.start_main_~var_17~0#1|)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse25)))))))) .cse24))) |c_ULTIMATE.start_main_~var_17~0#1|))))))) (let ((.cse20 (or .cse16 .cse17)) (.cse21 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_3~0#1| (_ BitVec 8))) (let ((.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))) (or (not (= |c_ULTIMATE.start_main_~var_17~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse22)) .cse23))))) (not (bvuge ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|) .cse23))) |c_ULTIMATE.start_main_~var_17~0#1|))))))) (let ((.cse19 (or .cse13 (and (or .cse8 (and .cse15 .cse20)) (or .cse6 (and .cse15 (or .cse21 .cse16)))))) (.cse18 (or .cse6 .cse21))) (and .cse2 (or .cse3 (and (or (and (or .cse8 .cse17) .cse18) .cse5) .cse19)) (or .cse12 (and .cse19 (or (and (or (and .cse10 .cse20) .cse8) .cse18) .cse5)))))))))))))) is different from false [2024-10-24 04:11:45,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-10-24 04:11:45,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 04:11:45,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047326532] [2024-10-24 04:11:45,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047326532] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 04:11:45,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 04:11:45,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-24 04:11:45,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327602616] [2024-10-24 04:11:45,757 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 04:11:45,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 04:11:45,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 04:11:45,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 04:11:45,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2024-10-24 04:11:45,759 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-24 04:11:46,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:46,423 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-10-24 04:11:46,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:11:46,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 7 [2024-10-24 04:11:46,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:46,424 INFO L225 Difference]: With dead ends: 14 [2024-10-24 04:11:46,424 INFO L226 Difference]: Without dead ends: 12 [2024-10-24 04:11:46,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=31, Invalid=44, Unknown=1, NotChecked=14, Total=90 [2024-10-24 04:11:46,426 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:46,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 12 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 6 Unchecked, 0.4s Time] [2024-10-24 04:11:46,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-24 04:11:46,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-10-24 04:11:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-10-24 04:11:46,428 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2024-10-24 04:11:46,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:46,429 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-10-24 04:11:46,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-24 04:11:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-10-24 04:11:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-24 04:11:46,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:46,429 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2024-10-24 04:11:46,443 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 (3)] Ended with exit code 0 [2024-10-24 04:11:46,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-10-24 04:11:46,631 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:46,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:46,631 INFO L85 PathProgramCache]: Analyzing trace with hash 148265266, now seen corresponding path program 2 times [2024-10-24 04:11:46,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:11:46,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183667020] [2024-10-24 04:11:46,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 04:11:46,633 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 [2024-10-24 04:11:46,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:11:46,636 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-10-24 04:11:46,636 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 (4)] Waiting until timeout for monitored process [2024-10-24 04:11:48,650 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 04:11:48,651 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 04:11:48,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-24 04:11:48,823 INFO L278 TraceCheckSpWp]: Computing forward predicates...