./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.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 d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 11:21:29,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 11:21:29,316 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 11:21:29,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 11:21:29,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 11:21:29,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 11:21:29,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 11:21:29,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 11:21:29,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 11:21:29,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 11:21:29,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 11:21:29,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 11:21:29,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 11:21:29,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 11:21:29,369 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 11:21:29,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 11:21:29,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 11:21:29,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 11:21:29,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 11:21:29,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 11:21:29,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 11:21:29,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 11:21:29,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 11:21:29,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 11:21:29,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 11:21:29,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 11:21:29,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 11:21:29,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 11:21:29,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 11:21:29,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:21:29,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 11:21:29,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 11:21:29,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 11:21:29,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 11:21:29,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 11:21:29,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 11:21:29,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 11:21:29,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 11:21:29,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 11:21:29,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e [2024-11-16 11:21:29,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 11:21:29,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 11:21:29,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 11:21:29,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 11:21:29,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 11:21:29,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-16 11:21:31,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 11:21:31,320 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 11:21:31,321 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-16 11:21:31,331 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34574efa6/3943047e6c3844faa63e3d409b7ed9d7/FLAGf7faa4684 [2024-11-16 11:21:31,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34574efa6/3943047e6c3844faa63e3d409b7ed9d7 [2024-11-16 11:21:31,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 11:21:31,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 11:21:31,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 11:21:31,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 11:21:31,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 11:21:31,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:31,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31, skipping insertion in model container [2024-11-16 11:21:31,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:31,400 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 11:21:31,590 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.mul11.c[1245,1258] [2024-11-16 11:21:31,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:21:31,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 11:21:31,834 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.mul11.c[1245,1258] [2024-11-16 11:21:31,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:21:31,962 INFO L204 MainTranslator]: Completed translation [2024-11-16 11:21:31,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31 WrapperNode [2024-11-16 11:21:31,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 11:21:31,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 11:21:31,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 11:21:31,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 11:21:31,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,244 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1762 [2024-11-16 11:21:32,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 11:21:32,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 11:21:32,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 11:21:32,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 11:21:32,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,494 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-16 11:21:32,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,560 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 11:21:32,655 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 11:21:32,655 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 11:21:32,655 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 11:21:32,656 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (1/1) ... [2024-11-16 11:21:32,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:21:32,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 11:21:32,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 11:21:32,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 11:21:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 11:21:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 11:21:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 11:21:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 11:21:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 11:21:32,922 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 11:21:32,924 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 11:21:34,727 INFO L? ?]: Removed 896 outVars from TransFormulas that were not future-live. [2024-11-16 11:21:34,727 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 11:21:34,835 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 11:21:34,835 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 11:21:34,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:21:34 BoogieIcfgContainer [2024-11-16 11:21:34,836 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 11:21:34,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 11:21:34,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 11:21:34,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 11:21:34,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:21:31" (1/3) ... [2024-11-16 11:21:34,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5304f4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:21:34, skipping insertion in model container [2024-11-16 11:21:34,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:31" (2/3) ... [2024-11-16 11:21:34,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5304f4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:21:34, skipping insertion in model container [2024-11-16 11:21:34,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:21:34" (3/3) ... [2024-11-16 11:21:34,847 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul11.c [2024-11-16 11:21:34,865 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 11:21:34,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 11:21:34,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 11:21:34,945 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;@733bddf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 11:21:34,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 11:21:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 526 states, 524 states have (on average 1.5076335877862594) internal successors, (790), 525 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-16 11:21:34,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:34,962 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:34,962 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:34,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash 968426048, now seen corresponding path program 1 times [2024-11-16 11:21:34,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:34,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383659585] [2024-11-16 11:21:34,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:34,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:35,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:35,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383659585] [2024-11-16 11:21:35,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383659585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:35,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:35,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:21:35,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918500224] [2024-11-16 11:21:35,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:35,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:21:35,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:35,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:21:35,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:21:35,881 INFO L87 Difference]: Start difference. First operand has 526 states, 524 states have (on average 1.5076335877862594) internal successors, (790), 525 states have internal predecessors, (790), 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 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:36,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:36,250 INFO L93 Difference]: Finished difference Result 931 states and 1403 transitions. [2024-11-16 11:21:36,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:21:36,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-16 11:21:36,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:36,272 INFO L225 Difference]: With dead ends: 931 [2024-11-16 11:21:36,272 INFO L226 Difference]: Without dead ends: 523 [2024-11-16 11:21:36,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:21:36,283 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 0 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:36,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1966 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 11:21:36,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-16 11:21:36,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-16 11:21:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 522 states have (on average 1.5057471264367817) internal successors, (786), 522 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 786 transitions. [2024-11-16 11:21:36,338 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 786 transitions. Word has length 96 [2024-11-16 11:21:36,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:36,340 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 786 transitions. [2024-11-16 11:21:36,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:36,340 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 786 transitions. [2024-11-16 11:21:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 11:21:36,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:36,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:36,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 11:21:36,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:36,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:36,345 INFO L85 PathProgramCache]: Analyzing trace with hash 101490379, now seen corresponding path program 1 times [2024-11-16 11:21:36,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:36,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408346252] [2024-11-16 11:21:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:36,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:36,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:36,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408346252] [2024-11-16 11:21:36,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408346252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:36,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:36,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:21:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858964932] [2024-11-16 11:21:36,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:36,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:21:36,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:36,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:21:36,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:21:36,635 INFO L87 Difference]: Start difference. First operand 523 states and 786 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:36,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:36,942 INFO L93 Difference]: Finished difference Result 930 states and 1399 transitions. [2024-11-16 11:21:36,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:21:36,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-16 11:21:36,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:36,946 INFO L225 Difference]: With dead ends: 930 [2024-11-16 11:21:36,946 INFO L226 Difference]: Without dead ends: 525 [2024-11-16 11:21:36,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:21:36,948 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 0 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:36,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1963 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 11:21:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-16 11:21:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2024-11-16 11:21:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.5038167938931297) internal successors, (788), 524 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 788 transitions. [2024-11-16 11:21:36,978 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 788 transitions. Word has length 97 [2024-11-16 11:21:36,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:36,979 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 788 transitions. [2024-11-16 11:21:36,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 788 transitions. [2024-11-16 11:21:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 11:21:36,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:36,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:36,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 11:21:36,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:36,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:36,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1401521403, now seen corresponding path program 1 times [2024-11-16 11:21:36,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:36,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863088158] [2024-11-16 11:21:36,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:36,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:37,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:37,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863088158] [2024-11-16 11:21:37,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863088158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:37,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:37,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 11:21:37,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761432020] [2024-11-16 11:21:37,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:37,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 11:21:37,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:37,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 11:21:37,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 11:21:37,526 INFO L87 Difference]: Start difference. First operand 525 states and 788 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:37,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:37,926 INFO L93 Difference]: Finished difference Result 936 states and 1406 transitions. [2024-11-16 11:21:37,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:21:37,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-16 11:21:37,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:37,930 INFO L225 Difference]: With dead ends: 936 [2024-11-16 11:21:37,930 INFO L226 Difference]: Without dead ends: 529 [2024-11-16 11:21:37,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:21:37,934 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 701 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:37,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1934 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 11:21:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-16 11:21:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 528. [2024-11-16 11:21:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.5009487666034156) internal successors, (791), 527 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 791 transitions. [2024-11-16 11:21:37,949 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 791 transitions. Word has length 98 [2024-11-16 11:21:37,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:37,950 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 791 transitions. [2024-11-16 11:21:37,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 791 transitions. [2024-11-16 11:21:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 11:21:37,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:37,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:37,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 11:21:37,953 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:37,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:37,954 INFO L85 PathProgramCache]: Analyzing trace with hash -274462749, now seen corresponding path program 1 times [2024-11-16 11:21:37,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:37,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742069496] [2024-11-16 11:21:37,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:37,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:39,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:39,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742069496] [2024-11-16 11:21:39,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742069496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:39,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:39,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 11:21:39,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165219602] [2024-11-16 11:21:39,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:39,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 11:21:39,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:39,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 11:21:39,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 11:21:39,088 INFO L87 Difference]: Start difference. First operand 528 states and 791 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:39,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:39,517 INFO L93 Difference]: Finished difference Result 961 states and 1439 transitions. [2024-11-16 11:21:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 11:21:39,517 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-16 11:21:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:39,520 INFO L225 Difference]: With dead ends: 961 [2024-11-16 11:21:39,520 INFO L226 Difference]: Without dead ends: 551 [2024-11-16 11:21:39,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 11:21:39,522 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 24 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3260 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:39,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3260 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 11:21:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-16 11:21:39,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 536. [2024-11-16 11:21:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 535 states have (on average 1.4990654205607477) internal successors, (802), 535 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 802 transitions. [2024-11-16 11:21:39,533 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 802 transitions. Word has length 99 [2024-11-16 11:21:39,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:39,533 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 802 transitions. [2024-11-16 11:21:39,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 802 transitions. [2024-11-16 11:21:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:21:39,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:39,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:39,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 11:21:39,536 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:39,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1063377312, now seen corresponding path program 1 times [2024-11-16 11:21:39,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:39,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074954796] [2024-11-16 11:21:39,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:39,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:39,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:39,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074954796] [2024-11-16 11:21:39,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074954796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:39,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:39,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:21:39,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69192398] [2024-11-16 11:21:39,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:39,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:21:39,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:39,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:21:39,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:21:39,981 INFO L87 Difference]: Start difference. First operand 536 states and 802 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:40,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:40,423 INFO L93 Difference]: Finished difference Result 1206 states and 1805 transitions. [2024-11-16 11:21:40,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:21:40,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:21:40,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:40,428 INFO L225 Difference]: With dead ends: 1206 [2024-11-16 11:21:40,428 INFO L226 Difference]: Without dead ends: 788 [2024-11-16 11:21:40,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:21:40,430 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 1411 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:40,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 2589 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 11:21:40,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-16 11:21:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 568. [2024-11-16 11:21:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 567 states have (on average 1.4955908289241622) internal successors, (848), 567 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 848 transitions. [2024-11-16 11:21:40,451 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 848 transitions. Word has length 100 [2024-11-16 11:21:40,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:40,452 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 848 transitions. [2024-11-16 11:21:40,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 848 transitions. [2024-11-16 11:21:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:21:40,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:40,454 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:40,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 11:21:40,455 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:40,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:40,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1237764502, now seen corresponding path program 1 times [2024-11-16 11:21:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:40,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289385906] [2024-11-16 11:21:40,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:40,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:40,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289385906] [2024-11-16 11:21:40,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289385906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:40,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:40,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:21:40,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920410227] [2024-11-16 11:21:40,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:40,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:21:40,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:40,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:21:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:21:40,892 INFO L87 Difference]: Start difference. First operand 568 states and 848 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:41,415 INFO L93 Difference]: Finished difference Result 1216 states and 1818 transitions. [2024-11-16 11:21:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:21:41,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:21:41,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:41,419 INFO L225 Difference]: With dead ends: 1216 [2024-11-16 11:21:41,420 INFO L226 Difference]: Without dead ends: 798 [2024-11-16 11:21:41,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:21:41,421 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 1431 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 2537 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:41,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 2537 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 11:21:41,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-16 11:21:41,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 578. [2024-11-16 11:21:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 577 states have (on average 1.4922010398613519) internal successors, (861), 577 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 861 transitions. [2024-11-16 11:21:41,437 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 861 transitions. Word has length 100 [2024-11-16 11:21:41,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:41,437 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 861 transitions. [2024-11-16 11:21:41,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 861 transitions. [2024-11-16 11:21:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:21:41,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:41,439 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:41,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 11:21:41,440 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:41,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:41,440 INFO L85 PathProgramCache]: Analyzing trace with hash 846057905, now seen corresponding path program 1 times [2024-11-16 11:21:41,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:41,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529900537] [2024-11-16 11:21:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:41,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:42,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:42,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529900537] [2024-11-16 11:21:42,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529900537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:42,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:42,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 11:21:42,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597439499] [2024-11-16 11:21:42,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:42,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 11:21:42,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:42,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 11:21:42,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 11:21:42,196 INFO L87 Difference]: Start difference. First operand 578 states and 861 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:42,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:42,773 INFO L93 Difference]: Finished difference Result 1014 states and 1513 transitions. [2024-11-16 11:21:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 11:21:42,774 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:21:42,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:42,776 INFO L225 Difference]: With dead ends: 1014 [2024-11-16 11:21:42,776 INFO L226 Difference]: Without dead ends: 596 [2024-11-16 11:21:42,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 11:21:42,779 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 17 mSDsluCounter, 3891 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:42,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4542 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 11:21:42,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-16 11:21:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 584. [2024-11-16 11:21:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 583 states have (on average 1.490566037735849) internal successors, (869), 583 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 869 transitions. [2024-11-16 11:21:42,795 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 869 transitions. Word has length 100 [2024-11-16 11:21:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:42,796 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 869 transitions. [2024-11-16 11:21:42,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 869 transitions. [2024-11-16 11:21:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:21:42,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:42,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:42,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 11:21:42,798 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:42,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:42,799 INFO L85 PathProgramCache]: Analyzing trace with hash -967273900, now seen corresponding path program 1 times [2024-11-16 11:21:42,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:42,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366286060] [2024-11-16 11:21:42,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:42,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:43,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:43,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366286060] [2024-11-16 11:21:43,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366286060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:43,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:43,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 11:21:43,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897197081] [2024-11-16 11:21:43,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:43,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 11:21:43,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:43,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 11:21:43,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-16 11:21:43,448 INFO L87 Difference]: Start difference. First operand 584 states and 869 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:44,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:44,096 INFO L93 Difference]: Finished difference Result 1006 states and 1501 transitions. [2024-11-16 11:21:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 11:21:44,096 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:21:44,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:44,099 INFO L225 Difference]: With dead ends: 1006 [2024-11-16 11:21:44,099 INFO L226 Difference]: Without dead ends: 582 [2024-11-16 11:21:44,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 11:21:44,101 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 701 mSDsluCounter, 3788 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 4423 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:44,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 4423 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 11:21:44,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-16 11:21:44,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 579. [2024-11-16 11:21:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 1.491349480968858) internal successors, (862), 578 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 862 transitions. [2024-11-16 11:21:44,117 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 862 transitions. Word has length 100 [2024-11-16 11:21:44,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:44,118 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 862 transitions. [2024-11-16 11:21:44,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 862 transitions. [2024-11-16 11:21:44,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:21:44,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:44,119 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:44,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 11:21:44,119 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:44,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:44,120 INFO L85 PathProgramCache]: Analyzing trace with hash -289317829, now seen corresponding path program 1 times [2024-11-16 11:21:44,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:44,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533108960] [2024-11-16 11:21:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:44,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:44,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533108960] [2024-11-16 11:21:44,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533108960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:44,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:44,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:21:44,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464636703] [2024-11-16 11:21:44,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:44,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:21:44,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:21:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:21:44,506 INFO L87 Difference]: Start difference. First operand 579 states and 862 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:44,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:44,968 INFO L93 Difference]: Finished difference Result 1173 states and 1749 transitions. [2024-11-16 11:21:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:21:44,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:21:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:44,972 INFO L225 Difference]: With dead ends: 1173 [2024-11-16 11:21:44,972 INFO L226 Difference]: Without dead ends: 750 [2024-11-16 11:21:44,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:21:44,973 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 1277 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:44,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 2531 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 11:21:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-16 11:21:44,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 577. [2024-11-16 11:21:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 576 states have (on average 1.4878472222222223) internal successors, (857), 576 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 857 transitions. [2024-11-16 11:21:44,986 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 857 transitions. Word has length 100 [2024-11-16 11:21:44,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:44,986 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 857 transitions. [2024-11-16 11:21:44,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:44,987 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 857 transitions. [2024-11-16 11:21:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:21:44,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:44,988 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:44,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 11:21:44,988 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:44,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:44,989 INFO L85 PathProgramCache]: Analyzing trace with hash -371682875, now seen corresponding path program 1 times [2024-11-16 11:21:44,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:44,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186001499] [2024-11-16 11:21:44,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:44,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:45,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:21:45,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186001499] [2024-11-16 11:21:45,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186001499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:45,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:45,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:21:45,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256919707] [2024-11-16 11:21:45,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:45,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:21:45,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:21:45,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:21:45,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:21:45,399 INFO L87 Difference]: Start difference. First operand 577 states and 857 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:45,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:45,795 INFO L93 Difference]: Finished difference Result 996 states and 1484 transitions. [2024-11-16 11:21:45,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:21:45,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:21:45,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:45,799 INFO L225 Difference]: With dead ends: 996 [2024-11-16 11:21:45,799 INFO L226 Difference]: Without dead ends: 569 [2024-11-16 11:21:45,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:21:45,800 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 772 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2578 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:45,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2578 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 11:21:45,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-16 11:21:45,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2024-11-16 11:21:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 568 states have (on average 1.4911971830985915) internal successors, (847), 568 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 847 transitions. [2024-11-16 11:21:45,815 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 847 transitions. Word has length 100 [2024-11-16 11:21:45,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:45,816 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 847 transitions. [2024-11-16 11:21:45,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:45,816 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 847 transitions. [2024-11-16 11:21:45,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 11:21:45,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:45,817 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:45,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 11:21:45,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:45,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:45,819 INFO L85 PathProgramCache]: Analyzing trace with hash 302307956, now seen corresponding path program 1 times [2024-11-16 11:21:45,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:21:45,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148399708] [2024-11-16 11:21:45,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:45,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:21:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 11:21:45,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 11:21:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 11:21:45,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 11:21:45,993 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 11:21:45,994 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 11:21:45,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 11:21:45,998 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:46,084 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 11:21:46,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:21:46 BoogieIcfgContainer [2024-11-16 11:21:46,088 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 11:21:46,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 11:21:46,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 11:21:46,089 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 11:21:46,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:21:34" (3/4) ... [2024-11-16 11:21:46,092 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 11:21:46,093 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 11:21:46,093 INFO L158 Benchmark]: Toolchain (without parser) took 14745.53ms. Allocated memory was 172.0MB in the beginning and 549.5MB in the end (delta: 377.5MB). Free memory was 116.5MB in the beginning and 371.7MB in the end (delta: -255.2MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. [2024-11-16 11:21:46,093 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 11:21:46,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.87ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 82.2MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-16 11:21:46,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 282.05ms. Allocated memory is still 172.0MB. Free memory was 82.2MB in the beginning and 124.1MB in the end (delta: -42.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-16 11:21:46,094 INFO L158 Benchmark]: Boogie Preprocessor took 407.58ms. Allocated memory is still 172.0MB. Free memory was 124.1MB in the beginning and 105.4MB in the end (delta: 18.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-16 11:21:46,094 INFO L158 Benchmark]: IcfgBuilder took 2181.23ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 105.4MB in the beginning and 153.6MB in the end (delta: -48.2MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2024-11-16 11:21:46,094 INFO L158 Benchmark]: TraceAbstraction took 11250.45ms. Allocated memory was 299.9MB in the beginning and 549.5MB in the end (delta: 249.6MB). Free memory was 153.6MB in the beginning and 371.7MB in the end (delta: -218.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-16 11:21:46,095 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 549.5MB. Free memory is still 371.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 11:21:46,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.87ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 82.2MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 282.05ms. Allocated memory is still 172.0MB. Free memory was 82.2MB in the beginning and 124.1MB in the end (delta: -42.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 407.58ms. Allocated memory is still 172.0MB. Free memory was 124.1MB in the beginning and 105.4MB in the end (delta: 18.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * IcfgBuilder took 2181.23ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 105.4MB in the beginning and 153.6MB in the end (delta: -48.2MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11250.45ms. Allocated memory was 299.9MB in the beginning and 549.5MB in the end (delta: 249.6MB). Free memory was 153.6MB in the beginning and 371.7MB in the end (delta: -218.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 549.5MB. Free memory is still 371.7MB. 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 212. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 64); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (64 - 1); [L35] const SORT_215 mask_SORT_215 = (SORT_215)-1 >> (sizeof(SORT_215) * 8 - 4); [L36] const SORT_215 msb_SORT_215 = (SORT_215)1 << (4 - 1); [L38] const SORT_217 mask_SORT_217 = (SORT_217)-1 >> (sizeof(SORT_217) * 8 - 60); [L39] const SORT_217 msb_SORT_217 = (SORT_217)1 << (60 - 1); [L41] const SORT_10 var_11 = 0; [L42] const SORT_1 var_14 = 0; [L43] const SORT_3 var_24 = 0; [L44] const SORT_1 var_51 = 1; [L45] const SORT_3 var_204 = 1; [L46] const SORT_3 var_208 = 3735928559; [L47] const SORT_3 var_211 = 12245771; [L48] const SORT_215 var_216 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_1 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L58] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L58] SORT_10 state_12 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L59] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L60] SORT_10 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L61] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L62] SORT_3 state_25 = __VERIFIER_nondet_uint() & mask_SORT_3; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L63] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L64] SORT_3 state_30 = __VERIFIER_nondet_uint() & mask_SORT_3; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L65] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L66] SORT_3 state_37 = __VERIFIER_nondet_uint() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L67] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L68] SORT_3 state_42 = __VERIFIER_nondet_uint() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L69] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L70] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L71] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L72] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L73] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L74] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L75] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L76] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L77] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L78] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L79] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L80] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L81] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L82] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L83] SORT_1 state_220 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L84] SORT_1 state_251 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L85] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L86] SORT_1 state_269 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_10 init_13_arg_1 = var_11; [L89] state_12 = init_13_arg_1 [L90] SORT_1 init_16_arg_1 = var_14; [L91] state_15 = init_16_arg_1 [L92] SORT_10 init_19_arg_1 = var_11; [L93] state_18 = init_19_arg_1 [L94] SORT_1 init_21_arg_1 = var_14; [L95] state_20 = init_21_arg_1 [L96] SORT_3 init_26_arg_1 = var_24; [L97] state_25 = init_26_arg_1 [L98] SORT_1 init_28_arg_1 = var_14; [L99] state_27 = init_28_arg_1 [L100] SORT_3 init_31_arg_1 = var_24; [L101] state_30 = init_31_arg_1 [L102] SORT_1 init_33_arg_1 = var_14; [L103] state_32 = init_33_arg_1 [L104] SORT_3 init_38_arg_1 = var_24; [L105] state_37 = init_38_arg_1 [L106] SORT_1 init_40_arg_1 = var_14; [L107] state_39 = init_40_arg_1 [L108] SORT_3 init_43_arg_1 = var_24; [L109] state_42 = init_43_arg_1 [L110] SORT_1 init_45_arg_1 = var_14; [L111] state_44 = init_45_arg_1 [L112] SORT_1 init_62_arg_1 = var_14; [L113] state_61 = init_62_arg_1 [L114] SORT_1 init_64_arg_1 = var_14; [L115] state_63 = init_64_arg_1 [L116] SORT_1 init_66_arg_1 = var_14; [L117] state_65 = init_66_arg_1 [L118] SORT_1 init_68_arg_1 = var_14; [L119] state_67 = init_68_arg_1 [L120] SORT_1 init_70_arg_1 = var_14; [L121] state_69 = init_70_arg_1 [L122] SORT_1 init_72_arg_1 = var_14; [L123] state_71 = init_72_arg_1 [L124] SORT_1 init_74_arg_1 = var_14; [L125] state_73 = init_74_arg_1 [L126] SORT_1 init_76_arg_1 = var_14; [L127] state_75 = init_76_arg_1 [L128] SORT_1 init_78_arg_1 = var_14; [L129] state_77 = init_78_arg_1 [L130] SORT_1 init_80_arg_1 = var_14; [L131] state_79 = init_80_arg_1 [L132] SORT_1 init_82_arg_1 = var_14; [L133] state_81 = init_82_arg_1 [L134] SORT_1 init_84_arg_1 = var_14; [L135] state_83 = init_84_arg_1 [L136] SORT_1 init_86_arg_1 = var_14; [L137] state_85 = init_86_arg_1 [L138] SORT_1 init_221_arg_1 = var_14; [L139] state_220 = init_221_arg_1 [L140] SORT_1 init_252_arg_1 = var_14; [L141] state_251 = init_252_arg_1 [L142] SORT_1 init_265_arg_1 = var_14; [L143] state_264 = init_265_arg_1 [L144] SORT_1 init_270_arg_1 = var_14; [L145] state_269 = init_270_arg_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L148] input_2 = __VERIFIER_nondet_uchar() [L149] input_4 = __VERIFIER_nondet_uint() [L150] EXPR input_4 & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L150] input_4 = input_4 & mask_SORT_3 [L151] input_5 = __VERIFIER_nondet_uint() [L152] EXPR input_5 & mask_SORT_3 VAL [input_4=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L152] input_5 = input_5 & mask_SORT_3 [L153] input_6 = __VERIFIER_nondet_uchar() [L154] EXPR input_6 & mask_SORT_1 VAL [input_4=0, input_5=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L154] input_6 = input_6 & mask_SORT_1 [L155] input_7 = __VERIFIER_nondet_uchar() [L156] EXPR input_7 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L156] input_7 = input_7 & mask_SORT_1 [L157] input_8 = __VERIFIER_nondet_uchar() [L158] EXPR input_8 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L158] input_8 = input_8 & mask_SORT_1 [L159] input_9 = __VERIFIER_nondet_uchar() [L160] EXPR input_9 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L160] input_9 = input_9 & mask_SORT_1 [L163] SORT_1 var_17_arg_0 = state_15; [L164] SORT_10 var_17_arg_1 = state_12; [L165] SORT_10 var_17_arg_2 = var_11; [L166] SORT_10 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_17=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L167] EXPR var_17 & mask_SORT_10 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L167] var_17 = var_17 & mask_SORT_10 [L168] SORT_1 var_22_arg_0 = state_20; [L169] SORT_10 var_22_arg_1 = state_18; [L170] SORT_10 var_22_arg_2 = var_11; [L171] SORT_10 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_17=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_22=0, var_24=0, var_51=1] [L172] EXPR var_22 & mask_SORT_10 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_17=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L172] var_22 = var_22 & mask_SORT_10 [L173] SORT_10 var_23_arg_0 = var_17; [L174] SORT_10 var_23_arg_1 = var_22; [L175] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L176] SORT_1 var_29_arg_0 = state_27; [L177] SORT_3 var_29_arg_1 = state_25; [L178] SORT_3 var_29_arg_2 = var_24; [L179] SORT_3 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_29=0, var_51=1] [L180] EXPR var_29 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_51=1] [L180] var_29 = var_29 & mask_SORT_3 [L181] SORT_1 var_34_arg_0 = state_32; [L182] SORT_3 var_34_arg_1 = state_30; [L183] SORT_3 var_34_arg_2 = var_24; [L184] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_29=0, var_34=0, var_51=1] [L185] EXPR var_34 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_29=0, var_51=1] [L185] var_34 = var_34 & mask_SORT_3 [L186] SORT_3 var_35_arg_0 = var_29; [L187] SORT_3 var_35_arg_1 = var_34; [L188] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L189] SORT_1 var_36_arg_0 = var_23; [L190] SORT_1 var_36_arg_1 = var_35; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36_arg_0=1, var_36_arg_1=1, var_51=1] [L191] EXPR var_36_arg_0 & var_36_arg_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L191] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L192] SORT_1 var_41_arg_0 = state_39; [L193] SORT_3 var_41_arg_1 = state_37; [L194] SORT_3 var_41_arg_2 = var_24; [L195] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_41=0, var_51=1] [L196] EXPR var_41 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_51=1] [L196] var_41 = var_41 & mask_SORT_3 [L197] SORT_1 var_46_arg_0 = state_44; [L198] SORT_3 var_46_arg_1 = state_42; [L199] SORT_3 var_46_arg_2 = var_24; [L200] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_41=0, var_46=0, var_51=1] [L201] EXPR var_46 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_41=0, var_51=1] [L201] var_46 = var_46 & mask_SORT_3 [L202] SORT_3 var_47_arg_0 = var_41; [L203] SORT_3 var_47_arg_1 = var_46; [L204] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L205] SORT_1 var_48_arg_0 = var_36; [L206] SORT_1 var_48_arg_1 = var_47; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_48_arg_0=1, var_48_arg_1=1, var_51=1] [L207] EXPR var_48_arg_0 & var_48_arg_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L207] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L208] SORT_1 var_52_arg_0 = var_48; [L209] SORT_1 var_52 = ~var_52_arg_0; [L210] SORT_1 var_53_arg_0 = var_51; [L211] SORT_1 var_53_arg_1 = var_52; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1, var_53_arg_0=1, var_53_arg_1=-2] [L212] EXPR var_53_arg_0 & var_53_arg_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L212] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L213] EXPR var_53 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L213] var_53 = var_53 & mask_SORT_1 [L214] SORT_1 bad_54_arg_0 = var_53; [L215] CALL __VERIFIER_assert(!(bad_54_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 526 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6334 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6334 mSDsluCounter, 28323 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21819 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6156 IncrementalHoareTripleChecker+Invalid, 6166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 6504 mSDtfsCounter, 6156 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=584occurred in iteration=7, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 644 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1091 NumberOfCodeBlocks, 1091 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 2453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 11:21:46,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.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 d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 11:21:48,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 11:21:48,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-16 11:21:48,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 11:21:48,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 11:21:48,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 11:21:48,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 11:21:48,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 11:21:48,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 11:21:48,529 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 11:21:48,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 11:21:48,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 11:21:48,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 11:21:48,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 11:21:48,531 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 11:21:48,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 11:21:48,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 11:21:48,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 11:21:48,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 11:21:48,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 11:21:48,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 11:21:48,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 11:21:48,534 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 11:21:48,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 11:21:48,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 11:21:48,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 11:21:48,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 11:21:48,544 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 11:21:48,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 11:21:48,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 11:21:48,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 11:21:48,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:21:48,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 11:21:48,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 11:21:48,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 11:21:48,546 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 11:21:48,546 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 11:21:48,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 11:21:48,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 11:21:48,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 11:21:48,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 11:21:48,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04e8fee74538704272d3cab5f1797fefbc2602c9525b6a310f5046877ebbf3e [2024-11-16 11:21:48,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 11:21:48,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 11:21:48,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 11:21:48,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 11:21:48,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 11:21:48,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-16 11:21:50,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 11:21:50,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 11:21:50,781 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul11.c [2024-11-16 11:21:50,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e18821a6/ca15566a43d8427a93d1fe5caab5309e/FLAGf1f5885c6 [2024-11-16 11:21:50,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e18821a6/ca15566a43d8427a93d1fe5caab5309e [2024-11-16 11:21:50,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 11:21:50,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 11:21:50,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 11:21:50,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 11:21:50,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 11:21:50,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:50" (1/1) ... [2024-11-16 11:21:50,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344756ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:50, skipping insertion in model container [2024-11-16 11:21:50,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:50" (1/1) ... [2024-11-16 11:21:50,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 11:21:51,091 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.mul11.c[1245,1258] [2024-11-16 11:21:51,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:21:51,288 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 11:21:51,303 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.mul11.c[1245,1258] [2024-11-16 11:21:51,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:21:51,401 INFO L204 MainTranslator]: Completed translation [2024-11-16 11:21:51,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51 WrapperNode [2024-11-16 11:21:51,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 11:21:51,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 11:21:51,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 11:21:51,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 11:21:51,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,497 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 736 [2024-11-16 11:21:51,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 11:21:51,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 11:21:51,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 11:21:51,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 11:21:51,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,562 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-16 11:21:51,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,593 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 11:21:51,631 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 11:21:51,631 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 11:21:51,631 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 11:21:51,632 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (1/1) ... [2024-11-16 11:21:51,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:21:51,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 11:21:51,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 11:21:51,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 11:21:51,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 11:21:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 11:21:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 11:21:51,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 11:21:51,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 11:21:51,941 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 11:21:51,947 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 11:21:53,168 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-16 11:21:53,168 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 11:21:53,181 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 11:21:53,181 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 11:21:53,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:21:53 BoogieIcfgContainer [2024-11-16 11:21:53,183 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 11:21:53,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 11:21:53,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 11:21:53,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 11:21:53,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:21:50" (1/3) ... [2024-11-16 11:21:53,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ee3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:21:53, skipping insertion in model container [2024-11-16 11:21:53,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:51" (2/3) ... [2024-11-16 11:21:53,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ee3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:21:53, skipping insertion in model container [2024-11-16 11:21:53,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:21:53" (3/3) ... [2024-11-16 11:21:53,192 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul11.c [2024-11-16 11:21:53,208 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 11:21:53,209 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 11:21:53,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 11:21:53,274 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;@5c5c7e83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 11:21:53,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 11:21:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-16 11:21:53,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:53,286 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-16 11:21:53,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:53,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:53,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1271070717, now seen corresponding path program 1 times [2024-11-16 11:21:53,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 11:21:53,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488699983] [2024-11-16 11:21:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:53,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:21:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 11:21:53,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 11:21:53,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 11:21:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:53,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-16 11:21:53,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 11:21:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:54,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 11:21:54,130 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 11:21:54,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488699983] [2024-11-16 11:21:54,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488699983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:21:54,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:21:54,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:21:54,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036826212] [2024-11-16 11:21:54,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:21:54,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:21:54,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 11:21:54,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:21:54,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:21:54,162 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:54,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:21:54,355 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2024-11-16 11:21:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:21:54,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-16 11:21:54,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:21:54,364 INFO L225 Difference]: With dead ends: 21 [2024-11-16 11:21:54,364 INFO L226 Difference]: Without dead ends: 10 [2024-11-16 11:21:54,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:21:54,371 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 11:21:54,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 11:21:54,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-16 11:21:54,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-16 11:21:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-16 11:21:54,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-16 11:21:54,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:21:54,400 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-16 11:21:54,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:21:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-16 11:21:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-16 11:21:54,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:21:54,401 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:21:54,408 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 (2)] Forceful destruction successful, exit code 0 [2024-11-16 11:21:54,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:21:54,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:21:54,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:21:54,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2061110753, now seen corresponding path program 1 times [2024-11-16 11:21:54,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 11:21:54,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175117835] [2024-11-16 11:21:54,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:21:54,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:21:54,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 11:21:54,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 11:21:54,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 11:21:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:21:55,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-16 11:21:55,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 11:21:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:21:56,606 INFO L311 TraceCheckSpWp]: Computing backward predicates...