./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.cal180.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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.cal180.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 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 00:44:46,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 00:44:46,188 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 00:44:46,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 00:44:46,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 00:44:46,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 00:44:46,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 00:44:46,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 00:44:46,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 00:44:46,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 00:44:46,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 00:44:46,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 00:44:46,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 00:44:46,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 00:44:46,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 00:44:46,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 00:44:46,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 00:44:46,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 00:44:46,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 00:44:46,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 00:44:46,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 00:44:46,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 00:44:46,219 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 00:44:46,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 00:44:46,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 00:44:46,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 00:44:46,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 00:44:46,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 00:44:46,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 00:44:46,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:44:46,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 00:44:46,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 00:44:46,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd [2024-11-20 00:44:46,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 00:44:46,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 00:44:46,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 00:44:46,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 00:44:46,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 00:44:46,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-20 00:44:47,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 00:44:47,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 00:44:47,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-20 00:44:47,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0ba9ec6/75e56e0d85bd491d903b3000413d2ff6/FLAGeeb3d7a23 [2024-11-20 00:44:48,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0ba9ec6/75e56e0d85bd491d903b3000413d2ff6 [2024-11-20 00:44:48,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 00:44:48,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 00:44:48,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 00:44:48,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 00:44:48,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 00:44:48,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:48,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409daa58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48, skipping insertion in model container [2024-11-20 00:44:48,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:48,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 00:44:48,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-20 00:44:48,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:44:48,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 00:44:48,732 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-20 00:44:48,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:44:48,993 INFO L204 MainTranslator]: Completed translation [2024-11-20 00:44:48,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48 WrapperNode [2024-11-20 00:44:48,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 00:44:48,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 00:44:48,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 00:44:48,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 00:44:49,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,385 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3808 [2024-11-20 00:44:49,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 00:44:49,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 00:44:49,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 00:44:49,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 00:44:49,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,528 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 00:44:49,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 00:44:49,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 00:44:49,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 00:44:49,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 00:44:49,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (1/1) ... [2024-11-20 00:44:49,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:44:49,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 00:44:49,698 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) [2024-11-20 00:44:49,700 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 [2024-11-20 00:44:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 00:44:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 00:44:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 00:44:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 00:44:50,048 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 00:44:50,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 00:44:52,360 INFO L? ?]: Removed 2442 outVars from TransFormulas that were not future-live. [2024-11-20 00:44:52,361 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 00:44:52,382 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 00:44:52,382 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 00:44:52,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:52 BoogieIcfgContainer [2024-11-20 00:44:52,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 00:44:52,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 00:44:52,384 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 00:44:52,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 00:44:52,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:44:48" (1/3) ... [2024-11-20 00:44:52,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afee28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:44:52, skipping insertion in model container [2024-11-20 00:44:52,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:48" (2/3) ... [2024-11-20 00:44:52,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3afee28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:44:52, skipping insertion in model container [2024-11-20 00:44:52,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:52" (3/3) ... [2024-11-20 00:44:52,391 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal180.c [2024-11-20 00:44:52,404 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 00:44:52,405 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 00:44:52,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 00:44:52,485 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;@6271d1b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 00:44:52,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 00:44:52,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 778 states, 776 states have (on average 1.4987113402061856) internal successors, (1163), 777 states have internal predecessors, (1163), 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) [2024-11-20 00:44:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-20 00:44:52,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:44:52,503 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:44:52,504 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:44:52,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:44:52,509 INFO L85 PathProgramCache]: Analyzing trace with hash -326854361, now seen corresponding path program 1 times [2024-11-20 00:44:52,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:44:52,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800544262] [2024-11-20 00:44:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:44:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:44:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:44:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:44:53,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:44:53,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800544262] [2024-11-20 00:44:53,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800544262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:44:53,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:44:53,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:44:53,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711651053] [2024-11-20 00:44:53,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:44:53,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:44:53,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:44:53,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:44:53,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:44:53,273 INFO L87 Difference]: Start difference. First operand has 778 states, 776 states have (on average 1.4987113402061856) internal successors, (1163), 777 states have internal predecessors, (1163), 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 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-11-20 00:44:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:44:53,360 INFO L93 Difference]: Finished difference Result 1425 states and 2133 transitions. [2024-11-20 00:44:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:44:53,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 95 [2024-11-20 00:44:53,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:44:53,377 INFO L225 Difference]: With dead ends: 1425 [2024-11-20 00:44:53,377 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 00:44:53,380 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 [2024-11-20 00:44:53,382 INFO L432 NwaCegarLoop]: 1157 mSDtfsCounter, 0 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3465 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:44:53,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3465 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:44:53,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 00:44:53,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 777. [2024-11-20 00:44:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 776 states have (on average 1.4961340206185567) internal successors, (1161), 776 states have internal predecessors, (1161), 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) [2024-11-20 00:44:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1161 transitions. [2024-11-20 00:44:53,445 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1161 transitions. Word has length 95 [2024-11-20 00:44:53,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:44:53,446 INFO L471 AbstractCegarLoop]: Abstraction has 777 states and 1161 transitions. [2024-11-20 00:44:53,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-11-20 00:44:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1161 transitions. [2024-11-20 00:44:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 00:44:53,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:44:53,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:44:53,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 00:44:53,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:44:53,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:44:53,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1540854861, now seen corresponding path program 1 times [2024-11-20 00:44:53,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:44:53,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758889304] [2024-11-20 00:44:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:44:53,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:44:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:44:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:44:53,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:44:53,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758889304] [2024-11-20 00:44:53,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758889304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:44:53,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:44:53,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:44:53,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572969395] [2024-11-20 00:44:53,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:44:53,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:44:53,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:44:53,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:44:53,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:44:53,671 INFO L87 Difference]: Start difference. First operand 777 states and 1161 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-11-20 00:44:53,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:44:53,707 INFO L93 Difference]: Finished difference Result 1426 states and 2131 transitions. [2024-11-20 00:44:53,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:44:53,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 96 [2024-11-20 00:44:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:44:53,711 INFO L225 Difference]: With dead ends: 1426 [2024-11-20 00:44:53,711 INFO L226 Difference]: Without dead ends: 779 [2024-11-20 00:44:53,713 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 [2024-11-20 00:44:53,714 INFO L432 NwaCegarLoop]: 1157 mSDtfsCounter, 0 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3461 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 00:44:53,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3461 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 00:44:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-20 00:44:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2024-11-20 00:44:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 778 states have (on average 1.4948586118251928) internal successors, (1163), 778 states have internal predecessors, (1163), 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) [2024-11-20 00:44:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1163 transitions. [2024-11-20 00:44:53,729 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1163 transitions. Word has length 96 [2024-11-20 00:44:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:44:53,730 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1163 transitions. [2024-11-20 00:44:53,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-11-20 00:44:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1163 transitions. [2024-11-20 00:44:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 00:44:53,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:44:53,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:44:53,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 00:44:53,732 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:44:53,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:44:53,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1619825792, now seen corresponding path program 1 times [2024-11-20 00:44:53,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:44:53,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729320281] [2024-11-20 00:44:53,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:44:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:44:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:44:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:44:54,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:44:54,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729320281] [2024-11-20 00:44:54,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729320281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:44:54,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:44:54,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 00:44:54,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664913189] [2024-11-20 00:44:54,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:44:54,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 00:44:54,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:44:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 00:44:54,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 00:44:54,132 INFO L87 Difference]: Start difference. First operand 779 states and 1163 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-20 00:44:54,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:44:54,399 INFO L93 Difference]: Finished difference Result 1489 states and 2219 transitions. [2024-11-20 00:44:54,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:44:54,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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 97 [2024-11-20 00:44:54,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:44:54,403 INFO L225 Difference]: With dead ends: 1489 [2024-11-20 00:44:54,403 INFO L226 Difference]: Without dead ends: 840 [2024-11-20 00:44:54,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 00:44:54,406 INFO L432 NwaCegarLoop]: 1124 mSDtfsCounter, 1251 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 00:44:54,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 4498 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 00:44:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-20 00:44:54,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 821. [2024-11-20 00:44:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 820 states have (on average 1.4939024390243902) internal successors, (1225), 820 states have internal predecessors, (1225), 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) [2024-11-20 00:44:54,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1225 transitions. [2024-11-20 00:44:54,421 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1225 transitions. Word has length 97 [2024-11-20 00:44:54,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:44:54,422 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1225 transitions. [2024-11-20 00:44:54,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-20 00:44:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1225 transitions. [2024-11-20 00:44:54,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-20 00:44:54,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:44:54,428 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:44:54,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 00:44:54,428 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:44:54,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:44:54,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2061071910, now seen corresponding path program 1 times [2024-11-20 00:44:54,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:44:54,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510292824] [2024-11-20 00:44:54,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:44:54,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:44:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:44:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:44:54,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:44:54,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510292824] [2024-11-20 00:44:54,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510292824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:44:54,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:44:54,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 00:44:54,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794400477] [2024-11-20 00:44:54,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:44:54,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 00:44:54,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:44:54,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 00:44:54,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:44:54,775 INFO L87 Difference]: Start difference. First operand 821 states and 1225 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:44:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:44:55,138 INFO L93 Difference]: Finished difference Result 1491 states and 2221 transitions. [2024-11-20 00:44:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 00:44:55,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-20 00:44:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:44:55,140 INFO L225 Difference]: With dead ends: 1491 [2024-11-20 00:44:55,141 INFO L226 Difference]: Without dead ends: 842 [2024-11-20 00:44:55,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-20 00:44:55,142 INFO L432 NwaCegarLoop]: 1123 mSDtfsCounter, 1254 mSDsluCounter, 5611 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 6734 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 00:44:55,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 6734 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 00:44:55,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-20 00:44:55,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 824. [2024-11-20 00:44:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 823 states have (on average 1.4933171324422843) internal successors, (1229), 823 states have internal predecessors, (1229), 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) [2024-11-20 00:44:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1229 transitions. [2024-11-20 00:44:55,156 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1229 transitions. Word has length 98 [2024-11-20 00:44:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:44:55,157 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1229 transitions. [2024-11-20 00:44:55,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:44:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1229 transitions. [2024-11-20 00:44:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-20 00:44:55,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:44:55,158 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:44:55,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 00:44:55,158 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:44:55,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:44:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash 850627101, now seen corresponding path program 1 times [2024-11-20 00:44:55,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:44:55,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768561558] [2024-11-20 00:44:55,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:44:55,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:44:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:44:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:44:55,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 00:44:55,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768561558] [2024-11-20 00:44:55,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768561558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:44:55,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:44:55,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 00:44:55,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191380238] [2024-11-20 00:44:55,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:44:55,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 00:44:55,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 00:44:55,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 00:44:55,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-20 00:44:55,668 INFO L87 Difference]: Start difference. First operand 824 states and 1229 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:44:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:44:56,142 INFO L93 Difference]: Finished difference Result 1491 states and 2220 transitions. [2024-11-20 00:44:56,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 00:44:56,142 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-20 00:44:56,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:44:56,145 INFO L225 Difference]: With dead ends: 1491 [2024-11-20 00:44:56,145 INFO L226 Difference]: Without dead ends: 842 [2024-11-20 00:44:56,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-20 00:44:56,146 INFO L432 NwaCegarLoop]: 1117 mSDtfsCounter, 1248 mSDsluCounter, 6702 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 7819 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 00:44:56,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 7819 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 00:44:56,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-20 00:44:56,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 828. [2024-11-20 00:44:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 827 states have (on average 1.4921402660217655) internal successors, (1234), 827 states have internal predecessors, (1234), 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) [2024-11-20 00:44:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1234 transitions. [2024-11-20 00:44:56,156 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1234 transitions. Word has length 99 [2024-11-20 00:44:56,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:44:56,157 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1234 transitions. [2024-11-20 00:44:56,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 00:44:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1234 transitions. [2024-11-20 00:44:56,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 00:44:56,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:44:56,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 00:44:56,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 00:44:56,160 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:44:56,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:44:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2130785255, now seen corresponding path program 1 times [2024-11-20 00:44:56,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 00:44:56,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103467715] [2024-11-20 00:44:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:44:56,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 00:44:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 00:44:56,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 00:44:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 00:44:56,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 00:44:56,315 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 00:44:56,316 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 00:44:56,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 00:44:56,320 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-20 00:44:56,397 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 00:44:56,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:44:56 BoogieIcfgContainer [2024-11-20 00:44:56,403 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 00:44:56,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 00:44:56,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 00:44:56,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 00:44:56,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:52" (3/4) ... [2024-11-20 00:44:56,407 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 00:44:56,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 00:44:56,408 INFO L158 Benchmark]: Toolchain (without parser) took 8220.74ms. Allocated memory was 186.6MB in the beginning and 677.4MB in the end (delta: 490.7MB). Free memory was 153.9MB in the beginning and 390.1MB in the end (delta: -236.2MB). Peak memory consumption was 254.3MB. Max. memory is 16.1GB. [2024-11-20 00:44:56,408 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 00:44:56,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.28ms. Allocated memory is still 186.6MB. Free memory was 153.9MB in the beginning and 123.9MB in the end (delta: 30.0MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2024-11-20 00:44:56,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 390.98ms. Allocated memory was 186.6MB in the beginning and 373.3MB in the end (delta: 186.6MB). Free memory was 123.9MB in the beginning and 272.7MB in the end (delta: -148.8MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2024-11-20 00:44:56,410 INFO L158 Benchmark]: Boogie Preprocessor took 284.09ms. Allocated memory is still 373.3MB. Free memory was 272.7MB in the beginning and 221.4MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-20 00:44:56,412 INFO L158 Benchmark]: RCFGBuilder took 2711.01ms. Allocated memory was 373.3MB in the beginning and 677.4MB in the end (delta: 304.1MB). Free memory was 221.4MB in the beginning and 421.0MB in the end (delta: -199.7MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2024-11-20 00:44:56,412 INFO L158 Benchmark]: TraceAbstraction took 4019.16ms. Allocated memory is still 677.4MB. Free memory was 420.0MB in the beginning and 390.1MB in the end (delta: 29.9MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-20 00:44:56,413 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 677.4MB. Free memory is still 390.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 00:44:56,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.28ms. Allocated memory is still 186.6MB. Free memory was 153.9MB in the beginning and 123.9MB in the end (delta: 30.0MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 390.98ms. Allocated memory was 186.6MB in the beginning and 373.3MB in the end (delta: 186.6MB). Free memory was 123.9MB in the beginning and 272.7MB in the end (delta: -148.8MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 284.09ms. Allocated memory is still 373.3MB. Free memory was 272.7MB in the beginning and 221.4MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2711.01ms. Allocated memory was 373.3MB in the beginning and 677.4MB in the end (delta: 304.1MB). Free memory was 221.4MB in the beginning and 421.0MB in the end (delta: -199.7MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4019.16ms. Allocated memory is still 677.4MB. Free memory was 420.0MB in the beginning and 390.1MB in the end (delta: 29.9MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 677.4MB. Free memory is still 390.1MB. 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 301, overapproximation of bitwiseAnd at line 306. 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_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 3); [L36] const SORT_16 msb_SORT_16 = (SORT_16)1 << (3 - 1); [L38] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 31); [L39] const SORT_101 msb_SORT_101 = (SORT_101)1 << (31 - 1); [L41] const SORT_1 var_63 = 0; [L42] const SORT_1 var_79 = 1; [L43] const SORT_9 var_88 = 0; [L44] const SORT_9 var_92 = 2; [L45] const SORT_101 var_102 = 1618477056; [L46] const SORT_101 var_105 = 1618478076; [L47] const SORT_9 var_116 = 1; [L48] const SORT_9 var_119 = 3; [L49] const SORT_16 var_171 = 0; [L50] const SORT_16 var_175 = 2; [L51] const SORT_16 var_177 = 4; [L52] const SORT_16 var_190 = 3; [L53] const SORT_16 var_274 = 5; [L54] const SORT_16 var_276 = 7; [L55] const SORT_16 var_289 = 6; [L56] const SORT_16 var_335 = 1; [L58] SORT_1 input_2; [L59] SORT_1 input_3; [L60] SORT_1 input_4; [L61] SORT_1 input_5; [L62] SORT_1 input_6; [L63] SORT_7 input_8; [L64] SORT_9 input_10; [L65] SORT_1 input_11; [L66] SORT_7 input_12; [L67] SORT_1 input_13; [L68] SORT_1 input_14; [L69] SORT_1 input_15; [L70] SORT_16 input_17; [L71] SORT_1 input_18; [L72] SORT_1 input_19; [L73] SORT_1 input_20; [L74] SORT_1 input_21; [L75] SORT_1 input_22; [L76] SORT_1 input_23; [L77] SORT_9 input_24; [L78] SORT_9 input_25; [L79] SORT_1 input_26; [L80] SORT_9 input_27; [L81] SORT_9 input_28; [L82] SORT_1 input_29; [L83] SORT_1 input_30; [L84] SORT_1 input_31; [L85] SORT_1 input_32; [L86] SORT_1 input_33; [L87] SORT_1 input_34; [L88] SORT_1 input_35; [L89] SORT_1 input_36; [L90] SORT_9 input_37; [L91] SORT_9 input_38; [L92] SORT_1 input_39; [L93] SORT_1 input_40; [L94] SORT_1 input_41; [L95] SORT_1 input_42; [L96] SORT_1 input_43; [L97] SORT_1 input_44; [L98] SORT_1 input_45; [L99] SORT_1 input_46; [L100] SORT_1 input_47; [L101] SORT_1 input_48; [L102] SORT_9 input_49; [L103] SORT_9 input_50; [L104] SORT_1 input_51; [L105] SORT_1 input_52; [L106] SORT_1 input_53; [L107] SORT_1 input_54; [L108] SORT_9 input_55; [L109] SORT_9 input_56; [L110] SORT_1 input_57; [L111] SORT_1 input_58; [L112] SORT_9 input_59; [L113] SORT_9 input_60; [L114] SORT_16 input_61; [L115] SORT_16 input_62; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L117] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L118] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L119] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L120] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L121] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L122] SORT_9 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L123] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L124] SORT_9 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L125] SORT_1 state_158 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L126] SORT_1 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L127] SORT_16 state_172 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L128] SORT_9 state_202 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L129] SORT_9 state_207 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L130] SORT_1 state_211 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L131] SORT_1 state_218 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L132] SORT_1 state_261 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L133] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L134] SORT_1 state_313 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L135] SORT_1 state_397 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L136] SORT_9 state_402 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L137] SORT_1 state_406 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L138] SORT_9 state_413 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L139] SORT_1 state_456 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L140] SORT_1 state_459 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_16 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L141] SORT_16 state_469 = __VERIFIER_nondet_uchar() & mask_SORT_16; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L142] SORT_9 state_496 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L143] SORT_9 state_501 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L144] SORT_1 state_505 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L145] SORT_1 state_512 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L146] SORT_1 state_547 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L147] SORT_1 state_550 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L148] SORT_1 state_596 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] SORT_1 init_65_arg_1 = var_63; [L151] state_64 = init_65_arg_1 [L152] SORT_1 init_68_arg_1 = var_63; [L153] state_67 = init_68_arg_1 [L154] SORT_1 init_70_arg_1 = var_63; [L155] state_69 = init_70_arg_1 [L156] SORT_1 init_73_arg_1 = var_63; [L157] state_72 = init_73_arg_1 [L158] SORT_1 init_84_arg_1 = var_63; [L159] state_83 = init_84_arg_1 [L160] SORT_9 init_90_arg_1 = var_88; [L161] state_89 = init_90_arg_1 [L162] SORT_1 init_95_arg_1 = var_63; [L163] state_94 = init_95_arg_1 [L164] SORT_9 init_114_arg_1 = var_88; [L165] state_113 = init_114_arg_1 [L166] SORT_1 init_159_arg_1 = var_63; [L167] state_158 = init_159_arg_1 [L168] SORT_1 init_162_arg_1 = var_63; [L169] state_161 = init_162_arg_1 [L170] SORT_16 init_173_arg_1 = var_171; [L171] state_172 = init_173_arg_1 [L172] SORT_9 init_203_arg_1 = var_88; [L173] state_202 = init_203_arg_1 [L174] SORT_9 init_208_arg_1 = var_88; [L175] state_207 = init_208_arg_1 [L176] SORT_1 init_212_arg_1 = var_63; [L177] state_211 = init_212_arg_1 [L178] SORT_1 init_219_arg_1 = var_63; [L179] state_218 = init_219_arg_1 [L180] SORT_1 init_262_arg_1 = var_63; [L181] state_261 = init_262_arg_1 [L182] SORT_1 init_265_arg_1 = var_63; [L183] state_264 = init_265_arg_1 [L184] SORT_1 init_314_arg_1 = var_63; [L185] state_313 = init_314_arg_1 [L186] SORT_1 init_398_arg_1 = var_63; [L187] state_397 = init_398_arg_1 [L188] SORT_9 init_403_arg_1 = var_88; [L189] state_402 = init_403_arg_1 [L190] SORT_1 init_407_arg_1 = var_63; [L191] state_406 = init_407_arg_1 [L192] SORT_9 init_414_arg_1 = var_88; [L193] state_413 = init_414_arg_1 [L194] SORT_1 init_457_arg_1 = var_63; [L195] state_456 = init_457_arg_1 [L196] SORT_1 init_460_arg_1 = var_63; [L197] state_459 = init_460_arg_1 [L198] SORT_16 init_470_arg_1 = var_171; [L199] state_469 = init_470_arg_1 [L200] SORT_9 init_497_arg_1 = var_88; [L201] state_496 = init_497_arg_1 [L202] SORT_9 init_502_arg_1 = var_88; [L203] state_501 = init_502_arg_1 [L204] SORT_1 init_506_arg_1 = var_63; [L205] state_505 = init_506_arg_1 [L206] SORT_1 init_513_arg_1 = var_63; [L207] state_512 = init_513_arg_1 [L208] SORT_1 init_548_arg_1 = var_63; [L209] state_547 = init_548_arg_1 [L210] SORT_1 init_551_arg_1 = var_63; [L211] state_550 = init_551_arg_1 [L212] SORT_1 init_597_arg_1 = var_63; [L213] state_596 = init_597_arg_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L216] input_2 = __VERIFIER_nondet_uchar() [L217] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L217] input_2 = input_2 & mask_SORT_1 [L218] input_3 = __VERIFIER_nondet_uchar() [L219] EXPR input_3 & mask_SORT_1 VAL [input_2=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L219] input_3 = input_3 & mask_SORT_1 [L220] input_4 = __VERIFIER_nondet_uchar() [L221] EXPR input_4 & mask_SORT_1 VAL [input_2=0, input_3=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L221] input_4 = input_4 & mask_SORT_1 [L222] input_5 = __VERIFIER_nondet_uchar() [L223] input_6 = __VERIFIER_nondet_uchar() [L224] input_8 = __VERIFIER_nondet_uint() [L225] EXPR input_8 & mask_SORT_7 VAL [input_2=0, input_3=0, input_4=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L225] input_8 = input_8 & mask_SORT_7 [L226] input_10 = __VERIFIER_nondet_uchar() [L227] input_11 = __VERIFIER_nondet_uchar() [L228] input_12 = __VERIFIER_nondet_uint() [L229] EXPR input_12 & mask_SORT_7 VAL [input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L229] input_12 = input_12 & mask_SORT_7 [L230] input_13 = __VERIFIER_nondet_uchar() [L231] EXPR input_13 & mask_SORT_1 VAL [input_12=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L231] input_13 = input_13 & mask_SORT_1 [L232] input_14 = __VERIFIER_nondet_uchar() [L233] EXPR input_14 & mask_SORT_1 VAL [input_12=0, input_13=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L233] input_14 = input_14 & mask_SORT_1 [L234] input_15 = __VERIFIER_nondet_uchar() [L235] EXPR input_15 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_67=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_79=1, var_88=0, var_92=2] [L235] input_15 = input_15 & mask_SORT_1 [L236] input_17 = __VERIFIER_nondet_uchar() [L237] input_18 = __VERIFIER_nondet_uchar() [L238] input_19 = __VERIFIER_nondet_uchar() [L239] input_20 = __VERIFIER_nondet_uchar() [L240] input_21 = __VERIFIER_nondet_uchar() [L241] input_22 = __VERIFIER_nondet_uchar() [L242] input_23 = __VERIFIER_nondet_uchar() [L243] input_24 = __VERIFIER_nondet_uchar() [L244] input_25 = __VERIFIER_nondet_uchar() [L245] input_26 = __VERIFIER_nondet_uchar() [L246] input_27 = __VERIFIER_nondet_uchar() [L247] input_28 = __VERIFIER_nondet_uchar() [L248] input_29 = __VERIFIER_nondet_uchar() [L249] input_30 = __VERIFIER_nondet_uchar() [L250] input_31 = __VERIFIER_nondet_uchar() [L251] input_32 = __VERIFIER_nondet_uchar() [L252] input_33 = __VERIFIER_nondet_uchar() [L253] input_34 = __VERIFIER_nondet_uchar() [L254] input_35 = __VERIFIER_nondet_uchar() [L255] input_36 = __VERIFIER_nondet_uchar() [L256] input_37 = __VERIFIER_nondet_uchar() [L257] input_38 = __VERIFIER_nondet_uchar() [L258] input_39 = __VERIFIER_nondet_uchar() [L259] input_40 = __VERIFIER_nondet_uchar() [L260] input_41 = __VERIFIER_nondet_uchar() [L261] input_42 = __VERIFIER_nondet_uchar() [L262] input_43 = __VERIFIER_nondet_uchar() [L263] input_44 = __VERIFIER_nondet_uchar() [L264] input_45 = __VERIFIER_nondet_uchar() [L265] input_46 = __VERIFIER_nondet_uchar() [L266] input_47 = __VERIFIER_nondet_uchar() [L267] input_48 = __VERIFIER_nondet_uchar() [L268] input_49 = __VERIFIER_nondet_uchar() [L269] input_50 = __VERIFIER_nondet_uchar() [L270] input_51 = __VERIFIER_nondet_uchar() [L271] input_52 = __VERIFIER_nondet_uchar() [L272] input_53 = __VERIFIER_nondet_uchar() [L273] input_54 = __VERIFIER_nondet_uchar() [L274] input_55 = __VERIFIER_nondet_uchar() [L275] input_56 = __VERIFIER_nondet_uchar() [L276] input_57 = __VERIFIER_nondet_uchar() [L277] input_58 = __VERIFIER_nondet_uchar() [L278] input_59 = __VERIFIER_nondet_uchar() [L279] input_60 = __VERIFIER_nondet_uchar() [L280] input_61 = __VERIFIER_nondet_uchar() [L281] input_62 = __VERIFIER_nondet_uchar() [L284] SORT_1 var_66_arg_0 = state_64; [L285] SORT_1 var_66 = ~var_66_arg_0; [L286] SORT_1 var_71_arg_0 = state_69; [L287] SORT_1 var_71_arg_1 = state_67; [L288] SORT_1 var_71_arg_2 = input_29; [L289] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_29=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_79=1, var_88=0, var_92=2] [L290] EXPR var_71 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_29=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_72=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_79=1, var_88=0, var_92=2] [L290] var_71 = var_71 & mask_SORT_1 [L291] SORT_1 var_74_arg_0 = state_69; [L292] SORT_1 var_74_arg_1 = state_72; [L293] SORT_1 var_74_arg_2 = input_29; [L294] SORT_1 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_74=0, var_79=1, var_88=0, var_92=2] [L295] EXPR var_74 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_66=-1, var_71=0, var_79=1, var_88=0, var_92=2] [L295] var_74 = var_74 & mask_SORT_1 [L296] SORT_1 var_75_arg_0 = var_71; [L297] SORT_1 var_75_arg_1 = var_74; [L298] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L299] SORT_1 var_76_arg_0 = var_66; [L300] SORT_1 var_76_arg_1 = var_75; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_76_arg_0=-1, var_76_arg_1=1, var_79=1, var_88=0, var_92=2] [L301] EXPR var_76_arg_0 | var_76_arg_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_88=0, var_92=2] [L301] SORT_1 var_76 = var_76_arg_0 | var_76_arg_1; [L302] SORT_1 var_80_arg_0 = var_76; [L303] SORT_1 var_80 = ~var_80_arg_0; [L304] SORT_1 var_81_arg_0 = var_79; [L305] SORT_1 var_81_arg_1 = var_80; VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_81_arg_0=1, var_81_arg_1=-1, var_88=0, var_92=2] [L306] EXPR var_81_arg_0 & var_81_arg_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_88=0, var_92=2] [L306] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L307] EXPR var_81 & mask_SORT_1 VAL [input_12=0, input_13=0, input_14=0, input_15=0, input_2=0, input_3=0, input_4=0, input_8=0, mask_SORT_101=2147483647, mask_SORT_16=7, mask_SORT_1=1, mask_SORT_7=-1, mask_SORT_9=3, state_113=0, state_158=0, state_161=0, state_172=0, state_202=0, state_207=0, state_211=0, state_218=0, state_261=0, state_264=0, state_313=0, state_397=0, state_402=0, state_406=0, state_413=0, state_456=0, state_459=0, state_469=0, state_496=0, state_501=0, state_505=0, state_512=0, state_547=0, state_550=0, state_596=0, state_64=0, state_69=0, state_83=0, state_89=0, state_94=0, var_102=1618477056, var_105=1618478076, var_116=1, var_119=3, var_171=0, var_175=2, var_177=4, var_190=3, var_274=5, var_276=7, var_289=6, var_335=1, var_63=0, var_71=0, var_79=1, var_88=0, var_92=2] [L307] var_81 = var_81 & mask_SORT_1 [L308] SORT_1 bad_82_arg_0 = var_81; [L309] CALL __VERIFIER_assert(!(bad_82_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 778 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3753 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3753 mSDsluCounter, 25977 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20299 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 678 IncrementalHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5678 mSDtfsCounter, 678 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=828occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 1506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2024-11-20 00:44:56,437 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.cal180.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 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 00:44:58,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 00:44:58,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-20 00:44:58,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 00:44:58,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 00:44:58,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 00:44:58,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 00:44:58,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 00:44:58,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 00:44:58,308 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 00:44:58,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 00:44:58,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 00:44:58,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 00:44:58,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 00:44:58,310 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 00:44:58,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 00:44:58,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 00:44:58,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 00:44:58,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 00:44:58,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 00:44:58,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 00:44:58,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 00:44:58,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 00:44:58,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 00:44:58,315 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 00:44:58,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 00:44:58,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 00:44:58,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 00:44:58,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 00:44:58,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 00:44:58,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 00:44:58,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:44:58,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 00:44:58,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 00:44:58,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 00:44:58,316 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 00:44:58,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 00:44:58,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 00:44:58,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 00:44:58,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 00:44:58,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 00:44:58,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01ec8bb47f188541ec0a745053a86329760e910824b8dbe513806595f13591bd [2024-11-20 00:44:58,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 00:44:58,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 00:44:58,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 00:44:58,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 00:44:58,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 00:44:58,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-20 00:44:59,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 00:45:00,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 00:45:00,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c [2024-11-20 00:45:00,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7844196e4/deeff1bb0f014b749db46e5101b1172c/FLAG20d7c93bb [2024-11-20 00:45:00,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7844196e4/deeff1bb0f014b749db46e5101b1172c [2024-11-20 00:45:00,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 00:45:00,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 00:45:00,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 00:45:00,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 00:45:00,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 00:45:00,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3598c1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00, skipping insertion in model container [2024-11-20 00:45:00,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 00:45:00,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-20 00:45:00,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:45:00,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 00:45:00,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal180.c[1246,1259] [2024-11-20 00:45:00,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 00:45:00,758 INFO L204 MainTranslator]: Completed translation [2024-11-20 00:45:00,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00 WrapperNode [2024-11-20 00:45:00,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 00:45:00,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 00:45:00,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 00:45:00,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 00:45:00,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,882 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2272 [2024-11-20 00:45:00,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 00:45:00,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 00:45:00,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 00:45:00,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 00:45:00,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,966 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 00:45:00,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:00,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:01,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:01,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:01,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:01,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:01,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 00:45:01,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 00:45:01,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 00:45:01,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 00:45:01,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (1/1) ... [2024-11-20 00:45:01,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 00:45:01,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 00:45:01,085 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) [2024-11-20 00:45:01,087 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 [2024-11-20 00:45:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 00:45:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 00:45:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 00:45:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 00:45:01,417 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 00:45:01,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 00:45:02,401 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-11-20 00:45:02,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 00:45:02,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 00:45:02,411 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 00:45:02,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:45:02 BoogieIcfgContainer [2024-11-20 00:45:02,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 00:45:02,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 00:45:02,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 00:45:02,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 00:45:02,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:45:00" (1/3) ... [2024-11-20 00:45:02,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee41616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:45:02, skipping insertion in model container [2024-11-20 00:45:02,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:45:00" (2/3) ... [2024-11-20 00:45:02,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee41616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:45:02, skipping insertion in model container [2024-11-20 00:45:02,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:45:02" (3/3) ... [2024-11-20 00:45:02,418 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal180.c [2024-11-20 00:45:02,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 00:45:02,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 00:45:02,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 00:45:02,491 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;@65f4d7df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 00:45:02,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 00:45:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 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) [2024-11-20 00:45:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 00:45:02,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:45:02,497 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 00:45:02,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:45:02,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:45:02,502 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-20 00:45:02,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 00:45:02,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297463722] [2024-11-20 00:45:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:45:02,513 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 [2024-11-20 00:45:02,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 00:45:02,515 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) [2024-11-20 00:45:02,516 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 [2024-11-20 00:45:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:45:02,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 00:45:02,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 00:45:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:45:02,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 00:45:02,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 00:45:02,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297463722] [2024-11-20 00:45:02,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297463722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 00:45:02,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 00:45:02,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 00:45:02,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400587679] [2024-11-20 00:45:02,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 00:45:03,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 00:45:03,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 00:45:03,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 00:45:03,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 00:45:03,017 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-20 00:45:03,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:45:03,096 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-20 00:45:03,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 00:45:03,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-20 00:45:03,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:45:03,103 INFO L225 Difference]: With dead ends: 18 [2024-11-20 00:45:03,103 INFO L226 Difference]: Without dead ends: 10 [2024-11-20 00:45:03,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 00:45:03,107 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:45:03,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:45:03,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-20 00:45:03,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-20 00:45:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-20 00:45:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-20 00:45:03,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-20 00:45:03,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:45:03,147 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-20 00:45:03,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-20 00:45:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-20 00:45:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 00:45:03,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:45:03,148 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-20 00:45:03,153 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 [2024-11-20 00:45:03,349 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 [2024-11-20 00:45:03,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:45:03,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:45:03,350 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-20 00:45:03,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 00:45:03,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553376366] [2024-11-20 00:45:03,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 00:45:03,352 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 [2024-11-20 00:45:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 00:45:03,354 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) [2024-11-20 00:45:03,355 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 [2024-11-20 00:45:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 00:45:03,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 00:45:03,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 00:45:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:45:04,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 00:45:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 00:45:04,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 00:45:04,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553376366] [2024-11-20 00:45:04,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553376366] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 00:45:04,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 00:45:04,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-20 00:45:04,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800106478] [2024-11-20 00:45:04,661 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 00:45:04,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 00:45:04,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 00:45:04,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 00:45:04,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 00:45:04,663 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-20 00:45:04,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 00:45:04,842 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-20 00:45:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 00:45:04,843 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 8 [2024-11-20 00:45:04,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 00:45:04,843 INFO L225 Difference]: With dead ends: 15 [2024-11-20 00:45:04,843 INFO L226 Difference]: Without dead ends: 13 [2024-11-20 00:45:04,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-20 00:45:04,846 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 00:45:04,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 00:45:04,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-20 00:45:04,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-20 00:45:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2024-11-20 00:45:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-20 00:45:04,849 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-20 00:45:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 00:45:04,849 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-20 00:45:04,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-20 00:45:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-20 00:45:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-20 00:45:04,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 00:45:04,850 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-20 00:45:04,857 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 [2024-11-20 00:45:05,050 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 [2024-11-20 00:45:05,052 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 00:45:05,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 00:45:05,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-20 00:45:05,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 00:45:05,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325898441] [2024-11-20 00:45:05,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 00:45:05,054 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 [2024-11-20 00:45:05,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 00:45:05,056 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) [2024-11-20 00:45:05,057 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 [2024-11-20 00:45:05,924 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 00:45:05,925 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 00:45:05,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 00:45:05,960 INFO L278 TraceCheckSpWp]: Computing forward predicates...