./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 05:05:49,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 05:05:49,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 05:05:49,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 05:05:49,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 05:05:49,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 05:05:49,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 05:05:49,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 05:05:49,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 05:05:49,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 05:05:49,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 05:05:49,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 05:05:49,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 05:05:49,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 05:05:49,750 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 05:05:49,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 05:05:49,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 05:05:49,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 05:05:49,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 05:05:49,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 05:05:49,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 05:05:49,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 05:05:49,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 05:05:49,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 05:05:49,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 05:05:49,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 05:05:49,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 05:05:49,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 05:05:49,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 05:05:49,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 05:05:49,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 05:05:49,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 05:05:49,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 05:05:49,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 05:05:49,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 05:05:49,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 05:05:49,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 05:05:49,754 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 05:05:49,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 05:05:49,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2024-11-22 05:05:49,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 05:05:49,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 05:05:49,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 05:05:49,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 05:05:49,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 05:05:49,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-22 05:05:51,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 05:05:51,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 05:05:51,409 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-22 05:05:51,419 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b413ab058/aecc0a43fb734ba1bbceba27733b11c4/FLAG4a115c502 [2024-11-22 05:05:51,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b413ab058/aecc0a43fb734ba1bbceba27733b11c4 [2024-11-22 05:05:51,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 05:05:51,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 05:05:51,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 05:05:51,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 05:05:51,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 05:05:51,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8c4c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51, skipping insertion in model container [2024-11-22 05:05:51,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 05:05:51,628 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.eq_sdp_v3.c[1249,1262] [2024-11-22 05:05:51,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 05:05:51,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 05:05:51,727 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.eq_sdp_v3.c[1249,1262] [2024-11-22 05:05:51,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 05:05:51,782 INFO L204 MainTranslator]: Completed translation [2024-11-22 05:05:51,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51 WrapperNode [2024-11-22 05:05:51,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 05:05:51,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 05:05:51,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 05:05:51,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 05:05:51,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,866 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 420 [2024-11-22 05:05:51,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 05:05:51,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 05:05:51,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 05:05:51,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 05:05:51,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,916 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]. [2024-11-22 05:05:51,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 05:05:51,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 05:05:51,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 05:05:51,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 05:05:51,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (1/1) ... [2024-11-22 05:05:51,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 05:05:51,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 05:05:51,974 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) [2024-11-22 05:05:51,976 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 [2024-11-22 05:05:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 05:05:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 05:05:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 05:05:52,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 05:05:52,102 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 05:05:52,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 05:05:52,605 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-22 05:05:52,605 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 05:05:52,618 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 05:05:52,619 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 05:05:52,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:05:52 BoogieIcfgContainer [2024-11-22 05:05:52,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 05:05:52,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 05:05:52,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 05:05:52,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 05:05:52,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:05:51" (1/3) ... [2024-11-22 05:05:52,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c039fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:05:52, skipping insertion in model container [2024-11-22 05:05:52,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:51" (2/3) ... [2024-11-22 05:05:52,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c039fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:05:52, skipping insertion in model container [2024-11-22 05:05:52,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:05:52" (3/3) ... [2024-11-22 05:05:52,628 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2024-11-22 05:05:52,642 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 05:05:52,642 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 05:05:52,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 05:05:52,695 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;@58f507ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 05:05:52,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 05:05:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 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) [2024-11-22 05:05:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 05:05:52,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:05:52,705 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] [2024-11-22 05:05:52,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:05:52,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:05:52,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1381663579, now seen corresponding path program 1 times [2024-11-22 05:05:52,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 05:05:52,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37451360] [2024-11-22 05:05:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 05:05:52,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 05:05:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 05:05:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 05:05:53,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 05:05:53,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37451360] [2024-11-22 05:05:53,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37451360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 05:05:53,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 05:05:53,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 05:05:53,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705603486] [2024-11-22 05:05:53,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 05:05:53,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 05:05:53,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 05:05:53,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 05:05:53,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 05:05:53,352 INFO L87 Difference]: Start difference. First operand has 94 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 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 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-22 05:05:53,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 05:05:53,398 INFO L93 Difference]: Finished difference Result 137 states and 201 transitions. [2024-11-22 05:05:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 05:05:53,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2024-11-22 05:05:53,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 05:05:53,408 INFO L225 Difference]: With dead ends: 137 [2024-11-22 05:05:53,408 INFO L226 Difference]: Without dead ends: 93 [2024-11-22 05:05:53,410 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 [2024-11-22 05:05:53,414 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 05:05:53,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 387 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 05:05:53,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-22 05:05:53,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-22 05:05:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 92 states have internal predecessors, (135), 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) [2024-11-22 05:05:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-22 05:05:53,443 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 39 [2024-11-22 05:05:53,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 05:05:53,444 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-22 05:05:53,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-22 05:05:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-22 05:05:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 05:05:53,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:05:53,445 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] [2024-11-22 05:05:53,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 05:05:53,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:05:53,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:05:53,446 INFO L85 PathProgramCache]: Analyzing trace with hash -116406637, now seen corresponding path program 1 times [2024-11-22 05:05:53,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 05:05:53,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061415706] [2024-11-22 05:05:53,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 05:05:53,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 05:05:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 05:05:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 05:05:53,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 05:05:53,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061415706] [2024-11-22 05:05:53,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061415706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 05:05:53,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 05:05:53,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 05:05:53,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662307277] [2024-11-22 05:05:53,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 05:05:53,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 05:05:53,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 05:05:53,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 05:05:53,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 05:05:53,575 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-22 05:05:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 05:05:53,609 INFO L93 Difference]: Finished difference Result 138 states and 199 transitions. [2024-11-22 05:05:53,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 05:05:53,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2024-11-22 05:05:53,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 05:05:53,613 INFO L225 Difference]: With dead ends: 138 [2024-11-22 05:05:53,613 INFO L226 Difference]: Without dead ends: 95 [2024-11-22 05:05:53,613 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 [2024-11-22 05:05:53,614 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 05:05:53,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 383 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 05:05:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-22 05:05:53,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-22 05:05:53,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 94 states have internal predecessors, (137), 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) [2024-11-22 05:05:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2024-11-22 05:05:53,624 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 40 [2024-11-22 05:05:53,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 05:05:53,624 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-11-22 05:05:53,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-22 05:05:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2024-11-22 05:05:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 05:05:53,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:05:53,626 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] [2024-11-22 05:05:53,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 05:05:53,626 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:05:53,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:05:53,627 INFO L85 PathProgramCache]: Analyzing trace with hash -411604172, now seen corresponding path program 1 times [2024-11-22 05:05:53,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 05:05:53,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450216133] [2024-11-22 05:05:53,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 05:05:53,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 05:05:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 05:05:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 05:05:53,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 05:05:53,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450216133] [2024-11-22 05:05:53,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450216133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 05:05:53,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 05:05:53,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 05:05:53,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871882054] [2024-11-22 05:05:53,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 05:05:53,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 05:05:53,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 05:05:53,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 05:05:53,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 05:05:53,866 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-11-22 05:05:53,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 05:05:53,906 INFO L93 Difference]: Finished difference Result 138 states and 198 transitions. [2024-11-22 05:05:53,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 05:05:53,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41 [2024-11-22 05:05:53,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 05:05:53,908 INFO L225 Difference]: With dead ends: 138 [2024-11-22 05:05:53,908 INFO L226 Difference]: Without dead ends: 93 [2024-11-22 05:05:53,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 05:05:53,909 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 101 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 05:05:53,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 372 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 05:05:53,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-22 05:05:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-22 05:05:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 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) [2024-11-22 05:05:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions. [2024-11-22 05:05:53,916 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 41 [2024-11-22 05:05:53,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 05:05:53,917 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions. [2024-11-22 05:05:53,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-11-22 05:05:53,917 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2024-11-22 05:05:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 05:05:53,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:05:53,918 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] [2024-11-22 05:05:53,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 05:05:53,918 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:05:53,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:05:53,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1689717878, now seen corresponding path program 1 times [2024-11-22 05:05:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 05:05:53,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232146122] [2024-11-22 05:05:53,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 05:05:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 05:05:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 05:05:53,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 05:05:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 05:05:54,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 05:05:54,008 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 05:05:54,009 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 05:05:54,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 05:05:54,014 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-22 05:05:54,051 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 05:05:54,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:05:54 BoogieIcfgContainer [2024-11-22 05:05:54,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 05:05:54,055 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 05:05:54,055 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 05:05:54,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 05:05:54,056 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:05:52" (3/4) ... [2024-11-22 05:05:54,060 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 05:05:54,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 05:05:54,061 INFO L158 Benchmark]: Toolchain (without parser) took 2626.77ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 119.5MB in the beginning and 108.9MB in the end (delta: 10.5MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-11-22 05:05:54,061 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 05:05:54,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.23ms. Allocated memory is still 169.9MB. Free memory was 118.9MB in the beginning and 101.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 05:05:54,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.77ms. Allocated memory is still 169.9MB. Free memory was 101.2MB in the beginning and 135.0MB in the end (delta: -33.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-22 05:05:54,063 INFO L158 Benchmark]: Boogie Preprocessor took 75.90ms. Allocated memory is still 169.9MB. Free memory was 135.0MB in the beginning and 128.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 05:05:54,064 INFO L158 Benchmark]: RCFGBuilder took 676.63ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 90.4MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-22 05:05:54,064 INFO L158 Benchmark]: TraceAbstraction took 1433.24ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 89.3MB in the beginning and 108.9MB in the end (delta: -19.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-22 05:05:54,064 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 211.8MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 05:05:54,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.23ms. Allocated memory is still 169.9MB. Free memory was 118.9MB in the beginning and 101.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.77ms. Allocated memory is still 169.9MB. Free memory was 101.2MB in the beginning and 135.0MB in the end (delta: -33.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.90ms. Allocated memory is still 169.9MB. Free memory was 135.0MB in the beginning and 128.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 676.63ms. Allocated memory is still 169.9MB. Free memory was 128.7MB in the beginning and 90.4MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1433.24ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 89.3MB in the beginning and 108.9MB in the end (delta: -19.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 211.8MB. Free memory is still 108.9MB. 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 102. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 VAL [input_7=0, mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 VAL [input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_20_arg_0=1, var_20_arg_1=-2, var_28=0] [L102] EXPR var_20_arg_0 & var_20_arg_1 VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 1142 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 755 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 387 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2024-11-22 05:05:54,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 05:05:55,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 05:05:56,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-22 05:05:56,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 05:05:56,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 05:05:56,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 05:05:56,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 05:05:56,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 05:05:56,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 05:05:56,047 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 05:05:56,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 05:05:56,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 05:05:56,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 05:05:56,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 05:05:56,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 05:05:56,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 05:05:56,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 05:05:56,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 05:05:56,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 05:05:56,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 05:05:56,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 05:05:56,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 05:05:56,052 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 05:05:56,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 05:05:56,053 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 05:05:56,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 05:05:56,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 05:05:56,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 05:05:56,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 05:05:56,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 05:05:56,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 05:05:56,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 05:05:56,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 05:05:56,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 05:05:56,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 05:05:56,055 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 05:05:56,060 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 05:05:56,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 05:05:56,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 05:05:56,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 05:05:56,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 05:05:56,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2024-11-22 05:05:56,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 05:05:56,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 05:05:56,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 05:05:56,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 05:05:56,363 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 05:05:56,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-22 05:05:57,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 05:05:57,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 05:05:57,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-22 05:05:57,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c19e864/66197e793a1a41dcb1a9c0424c0800c9/FLAG45536e2ba [2024-11-22 05:05:58,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05c19e864/66197e793a1a41dcb1a9c0424c0800c9 [2024-11-22 05:05:58,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 05:05:58,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 05:05:58,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 05:05:58,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 05:05:58,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 05:05:58,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721a7f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58, skipping insertion in model container [2024-11-22 05:05:58,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 05:05:58,380 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.eq_sdp_v3.c[1249,1262] [2024-11-22 05:05:58,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 05:05:58,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 05:05:58,464 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.eq_sdp_v3.c[1249,1262] [2024-11-22 05:05:58,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 05:05:58,520 INFO L204 MainTranslator]: Completed translation [2024-11-22 05:05:58,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58 WrapperNode [2024-11-22 05:05:58,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 05:05:58,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 05:05:58,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 05:05:58,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 05:05:58,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,567 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2024-11-22 05:05:58,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 05:05:58,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 05:05:58,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 05:05:58,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 05:05:58,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,607 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]. [2024-11-22 05:05:58,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 05:05:58,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 05:05:58,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 05:05:58,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 05:05:58,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (1/1) ... [2024-11-22 05:05:58,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 05:05:58,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 05:05:58,668 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) [2024-11-22 05:05:58,670 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 [2024-11-22 05:05:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 05:05:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 05:05:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 05:05:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 05:05:58,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 05:05:58,807 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 05:05:59,062 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-22 05:05:59,062 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 05:05:59,075 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 05:05:59,076 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 05:05:59,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:05:59 BoogieIcfgContainer [2024-11-22 05:05:59,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 05:05:59,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 05:05:59,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 05:05:59,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 05:05:59,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:05:58" (1/3) ... [2024-11-22 05:05:59,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d4c13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:05:59, skipping insertion in model container [2024-11-22 05:05:59,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:05:58" (2/3) ... [2024-11-22 05:05:59,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d4c13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:05:59, skipping insertion in model container [2024-11-22 05:05:59,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:05:59" (3/3) ... [2024-11-22 05:05:59,086 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2024-11-22 05:05:59,099 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 05:05:59,100 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 05:05:59,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 05:05:59,151 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;@649e3d27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 05:05:59,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 05:05:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 05:05:59,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 05:05:59,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:05:59,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 05:05:59,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:05:59,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:05:59,168 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-22 05:05:59,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 05:05:59,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332960015] [2024-11-22 05:05:59,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 05:05:59,194 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 [2024-11-22 05:05:59,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 05:05:59,198 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) [2024-11-22 05:05:59,202 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 [2024-11-22 05:05:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 05:05:59,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 05:05:59,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 05:05:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 05:05:59,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 05:05:59,420 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 05:05:59,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332960015] [2024-11-22 05:05:59,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332960015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 05:05:59,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 05:05:59,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 05:05:59,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240134209] [2024-11-22 05:05:59,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 05:05:59,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 05:05:59,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 05:05:59,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 05:05:59,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 05:05:59,446 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 05:05:59,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 05:05:59,472 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-22 05:05:59,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 05:05:59,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-22 05:05:59,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 05:05:59,483 INFO L225 Difference]: With dead ends: 17 [2024-11-22 05:05:59,484 INFO L226 Difference]: Without dead ends: 9 [2024-11-22 05:05:59,486 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 [2024-11-22 05:05:59,488 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 05:05:59,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 05:05:59,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-22 05:05:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-22 05:05:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 05:05:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-22 05:05:59,513 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-22 05:05:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 05:05:59,513 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-22 05:05:59,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 05:05:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-22 05:05:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-22 05:05:59,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:05:59,514 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-22 05:05:59,517 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 [2024-11-22 05:05:59,716 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 [2024-11-22 05:05:59,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:05:59,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:05:59,717 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-22 05:05:59,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 05:05:59,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256872322] [2024-11-22 05:05:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 05:05:59,719 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 [2024-11-22 05:05:59,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 05:05:59,720 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) [2024-11-22 05:05:59,721 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 [2024-11-22 05:05:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 05:05:59,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 05:05:59,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 05:05:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 05:05:59,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 05:06:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 05:06:04,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 05:06:04,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256872322] [2024-11-22 05:06:04,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256872322] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 05:06:04,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 05:06:04,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-22 05:06:04,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927868663] [2024-11-22 05:06:04,795 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 05:06:04,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 05:06:04,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 05:06:04,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 05:06:04,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2024-11-22 05:06:04,797 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 05:06:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 05:06:05,336 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-22 05:06:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 05:06:05,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-22 05:06:05,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 05:06:05,337 INFO L225 Difference]: With dead ends: 14 [2024-11-22 05:06:05,337 INFO L226 Difference]: Without dead ends: 12 [2024-11-22 05:06:05,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=28, Invalid=61, Unknown=1, NotChecked=0, Total=90 [2024-11-22 05:06:05,338 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 05:06:05,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 05:06:05,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-22 05:06:05,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-22 05:06:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 05:06:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-22 05:06:05,341 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-22 05:06:05,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 05:06:05,342 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-22 05:06:05,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 05:06:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-22 05:06:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-22 05:06:05,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:06:05,342 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-22 05:06:05,349 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-22 05:06:05,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 05:06:05,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:06:05,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:06:05,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-22 05:06:05,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 05:06:05,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582296506] [2024-11-22 05:06:05,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 05:06:05,545 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 [2024-11-22 05:06:05,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 05:06:05,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 05:06:05,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 05:06:05,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 05:06:05,651 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 05:06:05,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-22 05:06:05,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 05:06:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 05:06:07,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 05:06:20,273 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse8 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_31~0#1|))) .cse23)))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_26~0#1|)))) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_16|))))))))) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_16|))))))))) (.cse13 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))) .cse23))))) (let ((.cse0 (not .cse13)) (.cse14 (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_10~0#1|))))) (let ((.cse21 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_28~0#1|))) .cse23)) (_ bv0 8))) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) .cse18)))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvmul .cse18 (_ bv2 32)))))))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 .cse20)))))) .cse21 .cse7) .cse1 (or (not .cse21) (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 (bvneg .cse18)))))))) .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse20)))))) .cse7))))) (.cse3 (bvneg .cse9)) (.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_40~0#1|)))))) (.cse6 (not .cse8)) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|)) (.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_22~0#1|))) (and (or .cse0 (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse11) .cse12))))))))) (and .cse1 (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 .cse3))))))) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse4)))))) .cse6 .cse7) (or .cse8 .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 .cse9))))))) .cse10))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse10)))))))))) (or .cse13 .cse14) (or .cse0 .cse14) (or .cse13 (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse12))))))))) (and .cse1 (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse9))))))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse16)))))) .cse7) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse3))))))) .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse17)))))) .cse6 .cse7)))))))) is different from false [2024-11-22 05:06:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-22 05:06:23,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 05:06:23,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582296506] [2024-11-22 05:06:23,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582296506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 05:06:23,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 05:06:23,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-22 05:06:23,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193657963] [2024-11-22 05:06:23,033 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 05:06:23,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 05:06:23,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 05:06:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 05:06:23,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2024-11-22 05:06:23,035 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2024-11-22 05:06:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 05:06:27,969 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-22 05:06:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 05:06:27,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2024-11-22 05:06:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 05:06:27,971 INFO L225 Difference]: With dead ends: 17 [2024-11-22 05:06:27,971 INFO L226 Difference]: Without dead ends: 15 [2024-11-22 05:06:27,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=55, Invalid=130, Unknown=1, NotChecked=24, Total=210 [2024-11-22 05:06:27,972 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 05:06:27,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 8 Unchecked, 0.5s Time] [2024-11-22 05:06:27,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-22 05:06:27,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-22 05:06:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2024-11-22 05:06:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-22 05:06:27,976 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2024-11-22 05:06:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 05:06:27,977 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-22 05:06:27,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2024-11-22 05:06:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-22 05:06:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 05:06:27,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 05:06:27,978 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-22 05:06:27,981 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 (4)] Ended with exit code 0 [2024-11-22 05:06:28,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-22 05:06:28,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 05:06:28,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 05:06:28,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 3 times [2024-11-22 05:06:28,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 05:06:28,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023386045] [2024-11-22 05:06:28,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 05:06:28,180 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 [2024-11-22 05:06:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 05:06:28,182 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-22 05:06:28,184 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 (5)] Waiting until timeout for monitored process [2024-11-22 05:06:28,299 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 05:06:28,299 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-22 05:06:28,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 05:06:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 05:06:28,529 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-22 05:06:28,529 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 05:06:28,530 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 05:06:28,553 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 (5)] Ended with exit code 0 [2024-11-22 05:06:28,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-11-22 05:06:28,745 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-22 05:06:28,783 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 05:06:28,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 05:06:28 BoogieIcfgContainer [2024-11-22 05:06:28,785 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 05:06:28,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 05:06:28,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 05:06:28,786 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 05:06:28,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:05:59" (3/4) ... [2024-11-22 05:06:28,787 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 05:06:28,875 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 05:06:28,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 05:06:28,875 INFO L158 Benchmark]: Toolchain (without parser) took 30664.82ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 33.3MB in the beginning and 74.9MB in the end (delta: -41.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 05:06:28,875 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 05:06:28,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 37.0MB in the end (delta: -4.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-22 05:06:28,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.86ms. Allocated memory is still 69.2MB. Free memory was 37.0MB in the beginning and 34.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 05:06:28,876 INFO L158 Benchmark]: Boogie Preprocessor took 61.54ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 31.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 05:06:28,876 INFO L158 Benchmark]: RCFGBuilder took 446.19ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 31.0MB in the beginning and 49.3MB in the end (delta: -18.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-22 05:06:28,876 INFO L158 Benchmark]: TraceAbstraction took 29706.70ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 48.5MB in the beginning and 83.5MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 05:06:28,877 INFO L158 Benchmark]: Witness Printer took 89.38ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 74.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 05:06:28,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 37.0MB in the end (delta: -4.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.86ms. Allocated memory is still 69.2MB. Free memory was 37.0MB in the beginning and 34.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.54ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 31.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 446.19ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 31.0MB in the beginning and 49.3MB in the end (delta: -18.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * TraceAbstraction took 29706.70ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 48.5MB in the beginning and 83.5MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.38ms. Allocated memory is still 111.1MB. Free memory was 83.5MB in the beginning and 74.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [mask_SORT_1=-1, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 22.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 38 ConstructedInterpolants, 14 QuantifiedInterpolants, 3143 SizeOfPredicates, 17 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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 proved your program to be incorrect! [2024-11-22 05:06:29,099 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-22 05:06:29,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE