./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 10:08:28,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 10:08:28,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 10:08:28,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 10:08:28,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 10:08:28,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 10:08:28,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 10:08:28,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 10:08:28,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 10:08:28,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 10:08:28,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 10:08:28,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 10:08:28,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 10:08:28,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 10:08:28,982 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 10:08:28,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 10:08:28,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 10:08:28,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 10:08:28,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 10:08:28,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 10:08:28,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 10:08:28,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 10:08:28,992 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 10:08:28,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 10:08:28,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 10:08:28,992 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 10:08:28,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 10:08:28,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 10:08:28,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 10:08:28,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:08:28,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 10:08:28,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 10:08:28,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 10:08:28,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 10:08:28,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 10:08:28,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 10:08:28,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 10:08:28,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 10:08:28,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 10:08:28,997 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 [2024-11-16 10:08:29,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 10:08:29,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 10:08:29,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 10:08:29,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 10:08:29,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 10:08:29,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-16 10:08:30,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 10:08:31,160 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 10:08:31,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-16 10:08:31,188 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51cc2f1c1/216b68f375fe4853953ac9ec473bce95/FLAGeaf630b3d [2024-11-16 10:08:31,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51cc2f1c1/216b68f375fe4853953ac9ec473bce95 [2024-11-16 10:08:31,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 10:08:31,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 10:08:31,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 10:08:31,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 10:08:31,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 10:08:31,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:08:31" (1/1) ... [2024-11-16 10:08:31,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f8a537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:31, skipping insertion in model container [2024-11-16 10:08:31,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:08:31" (1/1) ... [2024-11-16 10:08:31,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 10:08:31,534 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-16 10:08:31,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:08:31,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 10:08:31,996 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-16 10:08:32,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:08:32,285 INFO L204 MainTranslator]: Completed translation [2024-11-16 10:08:32,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32 WrapperNode [2024-11-16 10:08:32,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 10:08:32,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 10:08:32,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 10:08:32,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 10:08:32,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:32,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:33,166 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6358 [2024-11-16 10:08:33,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 10:08:33,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 10:08:33,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 10:08:33,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 10:08:33,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:33,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:33,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:33,946 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]. [2024-11-16 10:08:33,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:33,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:34,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:34,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:34,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:34,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:34,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 10:08:34,546 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 10:08:34,546 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 10:08:34,546 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 10:08:34,547 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (1/1) ... [2024-11-16 10:08:34,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:08:34,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 10:08:34,585 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) [2024-11-16 10:08:34,591 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 [2024-11-16 10:08:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 10:08:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 10:08:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 10:08:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 10:08:35,049 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 10:08:35,054 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 10:08:42,527 INFO L? ?]: Removed 3510 outVars from TransFormulas that were not future-live. [2024-11-16 10:08:42,528 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 10:08:42,819 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 10:08:42,820 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 10:08:42,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:08:42 BoogieIcfgContainer [2024-11-16 10:08:42,821 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 10:08:42,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 10:08:42,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 10:08:42,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 10:08:42,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:08:31" (1/3) ... [2024-11-16 10:08:42,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0d09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:08:42, skipping insertion in model container [2024-11-16 10:08:42,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:08:32" (2/3) ... [2024-11-16 10:08:42,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0d09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:08:42, skipping insertion in model container [2024-11-16 10:08:42,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:08:42" (3/3) ... [2024-11-16 10:08:42,834 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-16 10:08:42,854 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 10:08:42,855 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 10:08:42,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 10:08:42,982 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;@602bf2e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 10:08:42,983 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 10:08:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 2223 states, 2221 states have (on average 1.5029266096352993) internal successors, (3338), 2222 states have internal predecessors, (3338), 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) [2024-11-16 10:08:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 10:08:43,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:08:43,015 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] [2024-11-16 10:08:43,016 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:08:43,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:08:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1079623001, now seen corresponding path program 1 times [2024-11-16 10:08:43,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:08:43,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048273987] [2024-11-16 10:08:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:08:43,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:08:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:08:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:08:44,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:08:44,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048273987] [2024-11-16 10:08:44,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048273987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:08:44,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:08:44,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:08:44,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555041331] [2024-11-16 10:08:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:08:44,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:08:44,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:08:44,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:08:44,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:08:44,160 INFO L87 Difference]: Start difference. First operand has 2223 states, 2221 states have (on average 1.5029266096352993) internal successors, (3338), 2222 states have internal predecessors, (3338), 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 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:45,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:08:45,470 INFO L93 Difference]: Finished difference Result 4321 states and 6493 transitions. [2024-11-16 10:08:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:08:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 10:08:45,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:08:45,500 INFO L225 Difference]: With dead ends: 4321 [2024-11-16 10:08:45,501 INFO L226 Difference]: Without dead ends: 2220 [2024-11-16 10:08:45,509 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 [2024-11-16 10:08:45,513 INFO L432 NwaCegarLoop]: 2782 mSDtfsCounter, 0 mSDsluCounter, 5559 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8341 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 10:08:45,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8341 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1654 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 10:08:45,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2024-11-16 10:08:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2220. [2024-11-16 10:08:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 2219 states have (on average 1.5024785939612437) internal successors, (3334), 2219 states have internal predecessors, (3334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3334 transitions. [2024-11-16 10:08:45,653 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3334 transitions. Word has length 100 [2024-11-16 10:08:45,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:08:45,653 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3334 transitions. [2024-11-16 10:08:45,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3334 transitions. [2024-11-16 10:08:45,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 10:08:45,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:08:45,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:08:45,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 10:08:45,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:08:45,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:08:45,662 INFO L85 PathProgramCache]: Analyzing trace with hash -746368417, now seen corresponding path program 1 times [2024-11-16 10:08:45,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:08:45,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567907760] [2024-11-16 10:08:45,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:08:45,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:08:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:08:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:08:46,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:08:46,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567907760] [2024-11-16 10:08:46,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567907760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:08:46,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:08:46,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:08:46,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134308805] [2024-11-16 10:08:46,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:08:46,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:08:46,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:08:46,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:08:46,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:08:46,040 INFO L87 Difference]: Start difference. First operand 2220 states and 3334 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:47,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:08:47,145 INFO L93 Difference]: Finished difference Result 4320 states and 6489 transitions. [2024-11-16 10:08:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:08:47,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-16 10:08:47,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:08:47,157 INFO L225 Difference]: With dead ends: 4320 [2024-11-16 10:08:47,158 INFO L226 Difference]: Without dead ends: 2222 [2024-11-16 10:08:47,163 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 [2024-11-16 10:08:47,164 INFO L432 NwaCegarLoop]: 2782 mSDtfsCounter, 0 mSDsluCounter, 5556 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8338 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 10:08:47,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8338 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1657 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 10:08:47,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2024-11-16 10:08:47,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 2222. [2024-11-16 10:08:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2222 states, 2221 states have (on average 1.5020261143628997) internal successors, (3336), 2221 states have internal predecessors, (3336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 3336 transitions. [2024-11-16 10:08:47,220 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 3336 transitions. Word has length 101 [2024-11-16 10:08:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:08:47,221 INFO L471 AbstractCegarLoop]: Abstraction has 2222 states and 3336 transitions. [2024-11-16 10:08:47,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 3336 transitions. [2024-11-16 10:08:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-16 10:08:47,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:08:47,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:08:47,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 10:08:47,226 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:08:47,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:08:47,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1915337346, now seen corresponding path program 1 times [2024-11-16 10:08:47,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:08:47,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792912300] [2024-11-16 10:08:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:08:47,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:08:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:08:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:08:47,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:08:47,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792912300] [2024-11-16 10:08:47,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792912300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:08:47,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:08:47,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:08:47,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775745157] [2024-11-16 10:08:47,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:08:47,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:08:47,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:08:47,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:08:47,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:08:47,526 INFO L87 Difference]: Start difference. First operand 2222 states and 3336 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:48,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:08:48,611 INFO L93 Difference]: Finished difference Result 4324 states and 6493 transitions. [2024-11-16 10:08:48,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:08:48,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-16 10:08:48,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:08:48,620 INFO L225 Difference]: With dead ends: 4324 [2024-11-16 10:08:48,621 INFO L226 Difference]: Without dead ends: 2224 [2024-11-16 10:08:48,624 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 [2024-11-16 10:08:48,626 INFO L432 NwaCegarLoop]: 2782 mSDtfsCounter, 0 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8333 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 10:08:48,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8333 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 10:08:48,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2024-11-16 10:08:48,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2224. [2024-11-16 10:08:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2224 states, 2223 states have (on average 1.50157444894287) internal successors, (3338), 2223 states have internal predecessors, (3338), 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) [2024-11-16 10:08:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 3338 transitions. [2024-11-16 10:08:48,675 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 3338 transitions. Word has length 102 [2024-11-16 10:08:48,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:08:48,676 INFO L471 AbstractCegarLoop]: Abstraction has 2224 states and 3338 transitions. [2024-11-16 10:08:48,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 3338 transitions. [2024-11-16 10:08:48,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 10:08:48,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:08:48,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:08:48,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 10:08:48,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:08:48,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:08:48,681 INFO L85 PathProgramCache]: Analyzing trace with hash -836216646, now seen corresponding path program 1 times [2024-11-16 10:08:48,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:08:48,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005336101] [2024-11-16 10:08:48,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:08:48,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:08:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:08:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:08:49,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:08:49,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005336101] [2024-11-16 10:08:49,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005336101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:08:49,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:08:49,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:08:49,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711209577] [2024-11-16 10:08:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:08:49,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:08:49,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:08:49,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:08:49,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:08:49,014 INFO L87 Difference]: Start difference. First operand 2224 states and 3338 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:08:50,105 INFO L93 Difference]: Finished difference Result 4334 states and 6505 transitions. [2024-11-16 10:08:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:08:50,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-16 10:08:50,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:08:50,114 INFO L225 Difference]: With dead ends: 4334 [2024-11-16 10:08:50,114 INFO L226 Difference]: Without dead ends: 2232 [2024-11-16 10:08:50,119 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 [2024-11-16 10:08:50,121 INFO L432 NwaCegarLoop]: 2782 mSDtfsCounter, 3 mSDsluCounter, 5551 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 8333 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 10:08:50,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 8333 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 10:08:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2024-11-16 10:08:50,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 2228. [2024-11-16 10:08:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 2227 states have (on average 1.5015716210148182) internal successors, (3344), 2227 states have internal predecessors, (3344), 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) [2024-11-16 10:08:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 3344 transitions. [2024-11-16 10:08:50,168 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 3344 transitions. Word has length 103 [2024-11-16 10:08:50,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:08:50,169 INFO L471 AbstractCegarLoop]: Abstraction has 2228 states and 3344 transitions. [2024-11-16 10:08:50,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 10:08:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 3344 transitions. [2024-11-16 10:08:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-16 10:08:50,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:08:50,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:08:50,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 10:08:50,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:08:50,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:08:50,173 INFO L85 PathProgramCache]: Analyzing trace with hash 65975459, now seen corresponding path program 1 times [2024-11-16 10:08:50,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:08:50,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532745974] [2024-11-16 10:08:50,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:08:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:08:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:08:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:08:50,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:08:50,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532745974] [2024-11-16 10:08:50,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532745974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:08:50,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:08:50,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:08:50,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624918441] [2024-11-16 10:08:50,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:08:50,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:08:50,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:08:50,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:08:50,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:08:50,518 INFO L87 Difference]: Start difference. First operand 2228 states and 3344 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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) [2024-11-16 10:08:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:08:53,874 INFO L93 Difference]: Finished difference Result 6424 states and 9644 transitions. [2024-11-16 10:08:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 10:08:53,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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 104 [2024-11-16 10:08:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:08:53,890 INFO L225 Difference]: With dead ends: 6424 [2024-11-16 10:08:53,891 INFO L226 Difference]: Without dead ends: 4318 [2024-11-16 10:08:53,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:08:53,897 INFO L432 NwaCegarLoop]: 2171 mSDtfsCounter, 3224 mSDsluCounter, 6408 mSDsCounter, 0 mSdLazyCounter, 4568 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 8579 SdHoareTripleChecker+Invalid, 4569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-16 10:08:53,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3224 Valid, 8579 Invalid, 4569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4568 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-16 10:08:53,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2024-11-16 10:08:53,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 2283. [2024-11-16 10:08:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 2282 states have (on average 1.5008764241893076) internal successors, (3425), 2282 states have internal predecessors, (3425), 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) [2024-11-16 10:08:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3425 transitions. [2024-11-16 10:08:53,968 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3425 transitions. Word has length 104 [2024-11-16 10:08:53,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:08:53,969 INFO L471 AbstractCegarLoop]: Abstraction has 2283 states and 3425 transitions. [2024-11-16 10:08:53,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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) [2024-11-16 10:08:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3425 transitions. [2024-11-16 10:08:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-16 10:08:53,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:08:53,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:08:53,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 10:08:53,971 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:08:53,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:08:53,971 INFO L85 PathProgramCache]: Analyzing trace with hash -332096682, now seen corresponding path program 1 times [2024-11-16 10:08:53,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:08:53,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054720920] [2024-11-16 10:08:53,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:08:53,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:08:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:08:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:08:54,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:08:54,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054720920] [2024-11-16 10:08:54,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054720920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:08:54,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:08:54,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:08:54,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101880564] [2024-11-16 10:08:54,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:08:54,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:08:54,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:08:54,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:08:54,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:08:54,271 INFO L87 Difference]: Start difference. First operand 2283 states and 3425 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-11-16 10:08:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:08:56,392 INFO L93 Difference]: Finished difference Result 4389 states and 6587 transitions. [2024-11-16 10:08:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 10:08:56,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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 105 [2024-11-16 10:08:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:08:56,407 INFO L225 Difference]: With dead ends: 4389 [2024-11-16 10:08:56,408 INFO L226 Difference]: Without dead ends: 2283 [2024-11-16 10:08:56,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:08:56,417 INFO L432 NwaCegarLoop]: 2163 mSDtfsCounter, 3239 mSDsluCounter, 4315 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 6478 SdHoareTripleChecker+Invalid, 3503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 10:08:56,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 6478 Invalid, 3503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 10:08:56,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2024-11-16 10:08:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 2283. [2024-11-16 10:08:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 2282 states have (on average 1.4991235758106924) internal successors, (3421), 2282 states have internal predecessors, (3421), 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) [2024-11-16 10:08:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3421 transitions. [2024-11-16 10:08:56,519 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3421 transitions. Word has length 105 [2024-11-16 10:08:56,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:08:56,520 INFO L471 AbstractCegarLoop]: Abstraction has 2283 states and 3421 transitions. [2024-11-16 10:08:56,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2024-11-16 10:08:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3421 transitions. [2024-11-16 10:08:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-16 10:08:56,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:08:56,524 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:08:56,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 10:08:56,524 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:08:56,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:08:56,525 INFO L85 PathProgramCache]: Analyzing trace with hash -336667784, now seen corresponding path program 1 times [2024-11-16 10:08:56,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:08:56,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760935388] [2024-11-16 10:08:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:08:56,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:08:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 10:08:56,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 10:08:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 10:08:56,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 10:08:56,768 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 10:08:56,770 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 10:08:56,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 10:08:56,775 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:08:56,892 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 10:08:56,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:08:56 BoogieIcfgContainer [2024-11-16 10:08:56,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 10:08:56,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 10:08:56,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 10:08:56,898 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 10:08:56,899 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:08:42" (3/4) ... [2024-11-16 10:08:56,902 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 10:08:56,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 10:08:56,904 INFO L158 Benchmark]: Toolchain (without parser) took 25693.67ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 122.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 366.9MB. Max. memory is 16.1GB. [2024-11-16 10:08:56,905 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 184.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 10:08:56,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.02ms. Allocated memory was 184.5MB in the beginning and 308.3MB in the end (delta: 123.7MB). Free memory was 122.3MB in the beginning and 243.6MB in the end (delta: -121.3MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2024-11-16 10:08:56,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 879.36ms. Allocated memory is still 308.3MB. Free memory was 243.6MB in the beginning and 147.8MB in the end (delta: 95.7MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. [2024-11-16 10:08:56,906 INFO L158 Benchmark]: Boogie Preprocessor took 1377.13ms. Allocated memory was 308.3MB in the beginning and 652.2MB in the end (delta: 343.9MB). Free memory was 147.8MB in the beginning and 466.6MB in the end (delta: -318.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-16 10:08:56,907 INFO L158 Benchmark]: IcfgBuilder took 8275.23ms. Allocated memory was 652.2MB in the beginning and 1.1GB in the end (delta: 436.2MB). Free memory was 466.6MB in the beginning and 323.7MB in the end (delta: 142.9MB). Peak memory consumption was 582.0MB. Max. memory is 16.1GB. [2024-11-16 10:08:56,907 INFO L158 Benchmark]: TraceAbstraction took 14071.95ms. Allocated memory was 1.1GB in the beginning and 1.6GB in the end (delta: 520.1MB). Free memory was 322.6MB in the beginning and 1.2GB in the end (delta: -859.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 10:08:56,907 INFO L158 Benchmark]: Witness Printer took 7.11ms. Allocated memory is still 1.6GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 10:08:56,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 184.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.02ms. Allocated memory was 184.5MB in the beginning and 308.3MB in the end (delta: 123.7MB). Free memory was 122.3MB in the beginning and 243.6MB in the end (delta: -121.3MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 879.36ms. Allocated memory is still 308.3MB. Free memory was 243.6MB in the beginning and 147.8MB in the end (delta: 95.7MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1377.13ms. Allocated memory was 308.3MB in the beginning and 652.2MB in the end (delta: 343.9MB). Free memory was 147.8MB in the beginning and 466.6MB in the end (delta: -318.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * IcfgBuilder took 8275.23ms. Allocated memory was 652.2MB in the beginning and 1.1GB in the end (delta: 436.2MB). Free memory was 466.6MB in the beginning and 323.7MB in the end (delta: 142.9MB). Peak memory consumption was 582.0MB. Max. memory is 16.1GB. * TraceAbstraction took 14071.95ms. Allocated memory was 1.1GB in the beginning and 1.6GB in the end (delta: 520.1MB). Free memory was 322.6MB in the beginning and 1.2GB in the end (delta: -859.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.11ms. Allocated memory is still 1.6GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 239. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_24 = 0; [L40] const SORT_4 var_67 = 1; [L41] const SORT_4 var_68 = 0; [L42] const SORT_2 var_79 = 1; [L43] const SORT_3 var_81 = 0; [L44] const SORT_4 var_84 = 4; [L45] const SORT_2 var_88 = 0; [L46] const SORT_4 var_155 = 2; [L47] const SORT_2 var_158 = 2; [L48] const SORT_4 var_182 = 3; [L49] const SORT_2 var_185 = 3; [L51] SORT_1 input_80; [L52] SORT_1 input_90; [L53] SORT_1 input_92; [L54] SORT_1 input_99; [L55] SORT_1 input_101; [L56] SORT_1 input_108; [L57] SORT_1 input_110; [L58] SORT_1 input_117; [L59] SORT_1 input_209; [L60] SORT_1 input_213; [L61] SORT_1 input_216; [L62] SORT_1 input_217; [L63] SORT_1 input_218; [L64] SORT_1 input_219; [L65] SORT_1 input_220; [L66] SORT_1 input_221; [L67] SORT_1 input_231; [L68] SORT_1 input_237; [L69] SORT_1 input_243; [L70] SORT_1 input_249; [L71] SORT_1 input_264; [L72] SORT_1 input_282; [L73] SORT_1 input_300; [L74] SORT_1 input_318; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L76] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L77] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L78] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L79] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L80] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L81] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L82] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L83] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L84] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L85] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L86] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L87] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L88] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L89] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L90] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L91] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L92] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L93] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L94] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L95] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L96] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L97] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L98] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L99] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L100] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L101] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L102] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L103] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L104] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_155=2, var_158=2, var_182=3, var_185=3, var_24=0, var_5=0, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L105] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] SORT_2 init_7_arg_1 = var_5; [L108] state_6 = init_7_arg_1 [L109] SORT_2 init_9_arg_1 = var_5; [L110] state_8 = init_9_arg_1 [L111] SORT_2 init_11_arg_1 = var_5; [L112] state_10 = init_11_arg_1 [L113] SORT_2 init_13_arg_1 = var_5; [L114] state_12 = init_13_arg_1 [L115] SORT_2 init_15_arg_1 = var_5; [L116] state_14 = init_15_arg_1 [L117] SORT_2 init_17_arg_1 = var_5; [L118] state_16 = init_17_arg_1 [L119] SORT_2 init_19_arg_1 = var_5; [L120] state_18 = init_19_arg_1 [L121] SORT_2 init_21_arg_1 = var_5; [L122] state_20 = init_21_arg_1 [L123] SORT_2 init_23_arg_1 = var_5; [L124] state_22 = init_23_arg_1 [L125] SORT_1 init_26_arg_1 = var_24; [L126] state_25 = init_26_arg_1 [L127] SORT_1 init_28_arg_1 = var_24; [L128] state_27 = init_28_arg_1 [L129] SORT_1 init_30_arg_1 = var_24; [L130] state_29 = init_30_arg_1 [L131] SORT_1 init_32_arg_1 = var_24; [L132] state_31 = init_32_arg_1 [L133] SORT_1 init_34_arg_1 = var_24; [L134] state_33 = init_34_arg_1 [L135] SORT_1 init_36_arg_1 = var_24; [L136] state_35 = init_36_arg_1 [L137] SORT_1 init_38_arg_1 = var_24; [L138] state_37 = init_38_arg_1 [L139] SORT_1 init_40_arg_1 = var_24; [L140] state_39 = init_40_arg_1 [L141] SORT_1 init_42_arg_1 = var_24; [L142] state_41 = init_42_arg_1 [L143] SORT_1 init_44_arg_1 = var_24; [L144] state_43 = init_44_arg_1 [L145] SORT_1 init_46_arg_1 = var_24; [L146] state_45 = init_46_arg_1 [L147] SORT_1 init_48_arg_1 = var_24; [L148] state_47 = init_48_arg_1 [L149] SORT_1 init_50_arg_1 = var_24; [L150] state_49 = init_50_arg_1 [L151] SORT_1 init_52_arg_1 = var_24; [L152] state_51 = init_52_arg_1 [L153] SORT_1 init_54_arg_1 = var_24; [L154] state_53 = init_54_arg_1 [L155] SORT_1 init_56_arg_1 = var_24; [L156] state_55 = init_56_arg_1 [L157] SORT_1 init_58_arg_1 = var_24; [L158] state_57 = init_58_arg_1 [L159] SORT_1 init_60_arg_1 = var_24; [L160] state_59 = init_60_arg_1 [L161] SORT_1 init_62_arg_1 = var_24; [L162] state_61 = init_62_arg_1 [L163] SORT_1 init_64_arg_1 = var_24; [L164] state_63 = init_64_arg_1 [L165] SORT_1 init_66_arg_1 = var_24; [L166] state_65 = init_66_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L169] input_80 = __VERIFIER_nondet_uchar() [L170] input_90 = __VERIFIER_nondet_uchar() [L171] input_92 = __VERIFIER_nondet_uchar() [L172] input_99 = __VERIFIER_nondet_uchar() [L173] input_101 = __VERIFIER_nondet_uchar() [L174] input_108 = __VERIFIER_nondet_uchar() [L175] input_110 = __VERIFIER_nondet_uchar() [L176] input_117 = __VERIFIER_nondet_uchar() [L177] input_209 = __VERIFIER_nondet_uchar() [L178] EXPR input_209 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L178] input_209 = input_209 & mask_SORT_1 [L179] input_213 = __VERIFIER_nondet_uchar() [L180] EXPR input_213 & mask_SORT_1 VAL [input_209=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L180] input_213 = input_213 & mask_SORT_1 [L181] input_216 = __VERIFIER_nondet_uchar() [L182] EXPR input_216 & mask_SORT_1 VAL [input_209=0, input_213=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L182] input_216 = input_216 & mask_SORT_1 [L183] input_217 = __VERIFIER_nondet_uchar() [L184] EXPR input_217 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L184] input_217 = input_217 & mask_SORT_1 [L185] input_218 = __VERIFIER_nondet_uchar() [L186] EXPR input_218 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L186] input_218 = input_218 & mask_SORT_1 [L187] input_219 = __VERIFIER_nondet_uchar() [L188] EXPR input_219 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L188] input_219 = input_219 & mask_SORT_1 [L189] input_220 = __VERIFIER_nondet_uchar() [L190] EXPR input_220 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L190] input_220 = input_220 & mask_SORT_1 [L191] input_221 = __VERIFIER_nondet_uchar() [L192] EXPR input_221 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L192] input_221 = input_221 & mask_SORT_1 [L193] input_231 = __VERIFIER_nondet_uchar() [L194] EXPR input_231 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L194] input_231 = input_231 & mask_SORT_1 [L195] input_237 = __VERIFIER_nondet_uchar() [L196] EXPR input_237 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L196] input_237 = input_237 & mask_SORT_1 [L197] input_243 = __VERIFIER_nondet_uchar() [L198] EXPR input_243 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L198] input_243 = input_243 & mask_SORT_1 [L199] input_249 = __VERIFIER_nondet_uchar() [L200] EXPR input_249 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L200] input_249 = input_249 & mask_SORT_1 [L201] input_264 = __VERIFIER_nondet_uchar() [L202] input_282 = __VERIFIER_nondet_uchar() [L203] input_300 = __VERIFIER_nondet_uchar() [L204] input_318 = __VERIFIER_nondet_uchar() [L207] SORT_1 var_69_arg_0 = state_33; [L208] SORT_4 var_69_arg_1 = var_67; [L209] SORT_4 var_69_arg_2 = var_68; [L210] SORT_4 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L211] SORT_1 var_70_arg_0 = state_43; [L212] SORT_4 var_70_arg_1 = var_67; [L213] SORT_4 var_70_arg_2 = var_68; [L214] SORT_4 var_70 = var_70_arg_0 ? var_70_arg_1 : var_70_arg_2; [L215] SORT_4 var_71_arg_0 = var_69; [L216] SORT_4 var_71_arg_1 = var_70; [L217] SORT_4 var_71 = var_71_arg_0 + var_71_arg_1; [L218] SORT_1 var_72_arg_0 = state_53; [L219] SORT_4 var_72_arg_1 = var_67; [L220] SORT_4 var_72_arg_2 = var_68; [L221] SORT_4 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L222] SORT_4 var_73_arg_0 = var_71; [L223] SORT_4 var_73_arg_1 = var_72; [L224] SORT_4 var_73 = var_73_arg_0 + var_73_arg_1; [L225] SORT_1 var_74_arg_0 = state_63; [L226] SORT_4 var_74_arg_1 = var_67; [L227] SORT_4 var_74_arg_2 = var_68; [L228] SORT_4 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L229] SORT_4 var_75_arg_0 = var_73; [L230] SORT_4 var_75_arg_1 = var_74; [L231] SORT_4 var_75 = var_75_arg_0 + var_75_arg_1; VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_75=0, var_79=1, var_81=0, var_84=4, var_88=0] [L232] EXPR var_75 & mask_SORT_4 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L232] var_75 = var_75 & mask_SORT_4 [L233] SORT_4 var_76_arg_0 = var_75; [L234] SORT_4 var_76_arg_1 = var_67; [L235] SORT_1 var_76 = var_76_arg_0 <= var_76_arg_1; [L236] SORT_1 var_77_arg_0 = ~state_65; VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_76=1, var_77_arg_0=-1, var_79=1, var_81=0, var_84=4, var_88=0] [L237] EXPR var_77_arg_0 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_76=1, var_79=1, var_81=0, var_84=4, var_88=0] [L237] var_77_arg_0 = var_77_arg_0 & mask_SORT_1 [L238] SORT_1 var_77_arg_1 = ~var_76; VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_77_arg_0=1, var_77_arg_1=-2, var_79=1, var_81=0, var_84=4, var_88=0] [L239] EXPR var_77_arg_1 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_77_arg_0=1, var_79=1, var_81=0, var_84=4, var_88=0] [L239] var_77_arg_1 = var_77_arg_1 & mask_SORT_1 [L240] EXPR var_77_arg_0 & var_77_arg_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L240] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L241] EXPR var_77 & mask_SORT_1 VAL [input_209=0, input_213=0, input_216=0, input_217=0, input_218=0, input_219=0, input_220=0, input_221=0, input_231=0, input_237=0, input_243=0, input_249=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_6=0, state_8=0, var_155=2, var_158=2, var_182=3, var_185=3, var_67=1, var_68=0, var_79=1, var_81=0, var_84=4, var_88=0] [L241] var_77 = var_77 & mask_SORT_1 [L242] SORT_1 bad_78_arg_0 = var_77; [L243] CALL __VERIFIER_assert(!(bad_78_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2223 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6466 SdHoareTripleChecker+Valid, 9.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6466 mSDsluCounter, 48402 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32940 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14705 IncrementalHoareTripleChecker+Invalid, 14707 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15462 mSDtfsCounter, 14705 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2283occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 2039 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 721 NumberOfCodeBlocks, 721 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 609 ConstructedInterpolants, 0 QuantifiedInterpolants, 1396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 10:08:56,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 10:08:59,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 10:08:59,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-16 10:08:59,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 10:08:59,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 10:08:59,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 10:08:59,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 10:08:59,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 10:08:59,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 10:08:59,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 10:08:59,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 10:08:59,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 10:08:59,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 10:08:59,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 10:08:59,542 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 10:08:59,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 10:08:59,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 10:08:59,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 10:08:59,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 10:08:59,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 10:08:59,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 10:08:59,547 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 10:08:59,547 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 10:08:59,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 10:08:59,548 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 10:08:59,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 10:08:59,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 10:08:59,549 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 10:08:59,549 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 10:08:59,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 10:08:59,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 10:08:59,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:08:59,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 10:08:59,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 10:08:59,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 10:08:59,554 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 10:08:59,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 10:08:59,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 10:08:59,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 10:08:59,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 10:08:59,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 10:08:59,556 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabdf7e4bea5ef7f4041734b3a2f250c3105df8bde0bca39b57a9665da865e25 [2024-11-16 10:08:59,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 10:08:59,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 10:08:59,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 10:08:59,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 10:08:59,946 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 10:08:59,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-16 10:09:01,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 10:09:01,922 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 10:09:01,923 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-16 10:09:01,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af891832/489b7397221b4bd794407e13008af4b6/FLAG7670d3947 [2024-11-16 10:09:01,966 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af891832/489b7397221b4bd794407e13008af4b6 [2024-11-16 10:09:01,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 10:09:01,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 10:09:01,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 10:09:01,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 10:09:01,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 10:09:01,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:09:01" (1/1) ... [2024-11-16 10:09:01,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124babcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:01, skipping insertion in model container [2024-11-16 10:09:01,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:09:01" (1/1) ... [2024-11-16 10:09:02,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 10:09:02,294 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-16 10:09:02,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:09:02,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 10:09:02,641 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.anderson.4.prop1-func-interl.c[1175,1188] [2024-11-16 10:09:02,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:09:02,814 INFO L204 MainTranslator]: Completed translation [2024-11-16 10:09:02,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02 WrapperNode [2024-11-16 10:09:02,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 10:09:02,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 10:09:02,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 10:09:02,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 10:09:02,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:02,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,015 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1906 [2024-11-16 10:09:03,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 10:09:03,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 10:09:03,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 10:09:03,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 10:09:03,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,145 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]. [2024-11-16 10:09:03,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 10:09:03,262 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 10:09:03,263 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 10:09:03,263 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 10:09:03,264 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (1/1) ... [2024-11-16 10:09:03,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:09:03,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 10:09:03,300 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) [2024-11-16 10:09:03,307 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 [2024-11-16 10:09:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 10:09:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 10:09:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 10:09:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 10:09:03,757 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 10:09:03,759 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 10:09:07,088 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2024-11-16 10:09:07,089 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 10:09:07,101 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 10:09:07,103 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 10:09:07,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:09:07 BoogieIcfgContainer [2024-11-16 10:09:07,104 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 10:09:07,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 10:09:07,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 10:09:07,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 10:09:07,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:09:01" (1/3) ... [2024-11-16 10:09:07,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346cbf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:09:07, skipping insertion in model container [2024-11-16 10:09:07,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:02" (2/3) ... [2024-11-16 10:09:07,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346cbf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:09:07, skipping insertion in model container [2024-11-16 10:09:07,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:09:07" (3/3) ... [2024-11-16 10:09:07,118 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.4.prop1-func-interl.c [2024-11-16 10:09:07,138 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 10:09:07,139 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 10:09:07,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 10:09:07,210 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;@f2c61da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 10:09:07,211 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 10:09:07,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 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) [2024-11-16 10:09:07,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-16 10:09:07,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:09:07,223 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-16 10:09:07,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:09:07,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:09:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1271070717, now seen corresponding path program 1 times [2024-11-16 10:09:07,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 10:09:07,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735531671] [2024-11-16 10:09:07,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:09:07,246 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 [2024-11-16 10:09:07,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 10:09:07,250 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) [2024-11-16 10:09:07,252 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 [2024-11-16 10:09:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:09:07,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-16 10:09:07,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 10:09:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 10:09:08,407 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 10:09:08,408 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 10:09:08,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735531671] [2024-11-16 10:09:08,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735531671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:09:08,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:09:08,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:09:08,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728040234] [2024-11-16 10:09:08,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:09:08,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:09:08,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 10:09:08,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:09:08,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:09:08,444 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-16 10:09:09,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 10:09:10,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:09:10,009 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2024-11-16 10:09:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:09:10,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2024-11-16 10:09:10,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:09:10,019 INFO L225 Difference]: With dead ends: 22 [2024-11-16 10:09:10,019 INFO L226 Difference]: Without dead ends: 11 [2024-11-16 10:09:10,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:09:10,025 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 10:09:10,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 10:09:10,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-16 10:09:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-16 10:09:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2024-11-16 10:09:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-16 10:09:10,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-16 10:09:10,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:09:10,056 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-16 10:09:10,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-16 10:09:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-16 10:09:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-16 10:09:10,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:09:10,057 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:09:10,063 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 [2024-11-16 10:09:10,258 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 [2024-11-16 10:09:10,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:09:10,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:09:10,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2061110753, now seen corresponding path program 1 times [2024-11-16 10:09:10,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 10:09:10,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097923519] [2024-11-16 10:09:10,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:09:10,261 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 [2024-11-16 10:09:10,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 10:09:10,262 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) [2024-11-16 10:09:10,279 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 [2024-11-16 10:09:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:09:11,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-16 10:09:11,391 INFO L278 TraceCheckSpWp]: Computing forward predicates...