./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 23:13:38,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 23:13:38,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-12 23:13:38,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 23:13:38,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 23:13:38,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 23:13:38,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 23:13:38,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 23:13:38,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 23:13:38,913 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 23:13:38,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 23:13:38,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 23:13:38,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 23:13:38,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 23:13:38,921 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 23:13:38,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 23:13:38,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 23:13:38,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 23:13:38,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 23:13:38,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 23:13:38,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 23:13:38,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 23:13:38,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 23:13:38,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 23:13:38,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 23:13:38,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 23:13:38,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 23:13:38,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 23:13:38,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 23:13:38,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:13:38,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 23:13:38,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 23:13:38,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 23:13:38,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 23:13:38,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 23:13:38,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 23:13:38,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 23:13:38,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 23:13:38,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 23:13:38,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e [2024-10-12 23:13:39,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 23:13:39,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 23:13:39,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 23:13:39,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 23:13:39,219 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 23:13:39,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-10-12 23:13:40,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 23:13:40,867 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 23:13:40,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-10-12 23:13:40,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5ebee29b/21917c8f86734fdda4c2e289a50e40e4/FLAGa15fef3ed [2024-10-12 23:13:41,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5ebee29b/21917c8f86734fdda4c2e289a50e40e4 [2024-10-12 23:13:41,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 23:13:41,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 23:13:41,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 23:13:41,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 23:13:41,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 23:13:41,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:41" (1/1) ... [2024-10-12 23:13:41,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39540531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:41, skipping insertion in model container [2024-10-12 23:13:41,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:13:41" (1/1) ... [2024-10-12 23:13:41,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 23:13:41,530 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2024-10-12 23:13:41,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:13:41,889 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 23:13:41,901 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2024-10-12 23:13:42,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:13:42,044 INFO L204 MainTranslator]: Completed translation [2024-10-12 23:13:42,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42 WrapperNode [2024-10-12 23:13:42,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 23:13:42,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 23:13:42,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 23:13:42,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 23:13:42,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:42,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:42,703 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4886 [2024-10-12 23:13:42,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 23:13:42,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 23:13:42,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 23:13:42,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 23:13:42,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:42,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:42,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,055 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 23:13:43,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 23:13:43,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 23:13:43,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 23:13:43,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 23:13:43,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (1/1) ... [2024-10-12 23:13:43,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:13:43,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 23:13:43,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 23:13:43,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 23:13:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 23:13:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 23:13:43,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 23:13:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 23:13:43,842 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 23:13:43,847 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 23:13:48,429 INFO L? ?]: Removed 2720 outVars from TransFormulas that were not future-live. [2024-10-12 23:13:48,429 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 23:13:48,519 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 23:13:48,520 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 23:13:48,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:48 BoogieIcfgContainer [2024-10-12 23:13:48,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 23:13:48,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 23:13:48,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 23:13:48,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 23:13:48,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:13:41" (1/3) ... [2024-10-12 23:13:48,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3348d98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:48, skipping insertion in model container [2024-10-12 23:13:48,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:13:42" (2/3) ... [2024-10-12 23:13:48,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3348d98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:48, skipping insertion in model container [2024-10-12 23:13:48,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:48" (3/3) ... [2024-10-12 23:13:48,528 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-10-12 23:13:48,547 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 23:13:48,548 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 23:13:48,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 23:13:48,646 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;@605ff0cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 23:13:48,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 23:13:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 1679 states, 1677 states have (on average 1.5002981514609421) internal successors, (2516), 1678 states have internal predecessors, (2516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-12 23:13:48,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:48,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:48,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:48,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:48,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1153985713, now seen corresponding path program 1 times [2024-10-12 23:13:48,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:48,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109753249] [2024-10-12 23:13:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:48,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:13:49,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:13:49,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:13:49,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109753249] [2024-10-12 23:13:49,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109753249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:13:49,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:13:49,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:13:49,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171155397] [2024-10-12 23:13:49,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:13:49,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:13:49,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:13:49,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:13:49,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:13:49,612 INFO L87 Difference]: Start difference. First operand has 1679 states, 1677 states have (on average 1.5002981514609421) internal successors, (2516), 1678 states have internal predecessors, (2516), 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 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:49,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:13:49,785 INFO L93 Difference]: Finished difference Result 3246 states and 4866 transitions. [2024-10-12 23:13:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:13:49,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 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 106 [2024-10-12 23:13:49,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:13:49,816 INFO L225 Difference]: With dead ends: 3246 [2024-10-12 23:13:49,817 INFO L226 Difference]: Without dead ends: 1680 [2024-10-12 23:13:49,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:13:49,829 INFO L432 NwaCegarLoop]: 2511 mSDtfsCounter, 0 mSDsluCounter, 5017 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7528 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:13:49,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7528 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:13:49,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-10-12 23:13:49,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1680. [2024-10-12 23:13:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1679 states have (on average 1.498511018463371) internal successors, (2516), 1679 states have internal predecessors, (2516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2516 transitions. [2024-10-12 23:13:49,940 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2516 transitions. Word has length 106 [2024-10-12 23:13:49,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:13:49,941 INFO L471 AbstractCegarLoop]: Abstraction has 1680 states and 2516 transitions. [2024-10-12 23:13:49,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2516 transitions. [2024-10-12 23:13:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-12 23:13:49,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:49,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:49,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 23:13:49,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:49,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:49,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1415514551, now seen corresponding path program 1 times [2024-10-12 23:13:49,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:49,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283848243] [2024-10-12 23:13:49,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:49,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:13:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:13:50,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:13:50,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283848243] [2024-10-12 23:13:50,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283848243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:13:50,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:13:50,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:13:50,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371103127] [2024-10-12 23:13:50,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:13:50,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:13:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:13:50,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:13:50,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:13:50,258 INFO L87 Difference]: Start difference. First operand 1680 states and 2516 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:50,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:13:50,371 INFO L93 Difference]: Finished difference Result 3249 states and 4866 transitions. [2024-10-12 23:13:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:13:50,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 107 [2024-10-12 23:13:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:13:50,381 INFO L225 Difference]: With dead ends: 3249 [2024-10-12 23:13:50,381 INFO L226 Difference]: Without dead ends: 1682 [2024-10-12 23:13:50,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:13:50,384 INFO L432 NwaCegarLoop]: 2511 mSDtfsCounter, 0 mSDsluCounter, 5014 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7525 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:13:50,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7525 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:13:50,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2024-10-12 23:13:50,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1682. [2024-10-12 23:13:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1682 states, 1681 states have (on average 1.4979179060083283) internal successors, (2518), 1681 states have internal predecessors, (2518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2518 transitions. [2024-10-12 23:13:50,422 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2518 transitions. Word has length 107 [2024-10-12 23:13:50,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:13:50,423 INFO L471 AbstractCegarLoop]: Abstraction has 1682 states and 2518 transitions. [2024-10-12 23:13:50,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:50,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2518 transitions. [2024-10-12 23:13:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-12 23:13:50,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:50,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:50,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 23:13:50,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:50,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash -166687158, now seen corresponding path program 1 times [2024-10-12 23:13:50,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:50,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135194207] [2024-10-12 23:13:50,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:50,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:13:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:13:50,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:13:50,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135194207] [2024-10-12 23:13:50,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135194207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:13:50,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:13:50,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:13:50,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781692641] [2024-10-12 23:13:50,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:13:50,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:13:50,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:13:50,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:13:50,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:13:50,725 INFO L87 Difference]: Start difference. First operand 1682 states and 2518 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:50,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:13:50,810 INFO L93 Difference]: Finished difference Result 3257 states and 4876 transitions. [2024-10-12 23:13:50,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:13:50,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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 108 [2024-10-12 23:13:50,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:13:50,817 INFO L225 Difference]: With dead ends: 3257 [2024-10-12 23:13:50,818 INFO L226 Difference]: Without dead ends: 1688 [2024-10-12 23:13:50,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:13:50,822 INFO L432 NwaCegarLoop]: 2511 mSDtfsCounter, 4 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7519 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:13:50,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7519 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:13:50,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2024-10-12 23:13:50,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1688. [2024-10-12 23:13:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1688 states, 1687 states have (on average 1.4973325429756965) internal successors, (2526), 1687 states have internal predecessors, (2526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2526 transitions. [2024-10-12 23:13:50,865 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2526 transitions. Word has length 108 [2024-10-12 23:13:50,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:13:50,866 INFO L471 AbstractCegarLoop]: Abstraction has 1688 states and 2526 transitions. [2024-10-12 23:13:50,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2526 transitions. [2024-10-12 23:13:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-12 23:13:50,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:50,869 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:50,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 23:13:50,870 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:50,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:50,871 INFO L85 PathProgramCache]: Analyzing trace with hash 181722981, now seen corresponding path program 1 times [2024-10-12 23:13:50,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:50,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261771177] [2024-10-12 23:13:50,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:50,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:13:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:13:51,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:13:51,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261771177] [2024-10-12 23:13:51,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261771177] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:13:51,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:13:51,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 23:13:51,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10616570] [2024-10-12 23:13:51,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:13:51,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 23:13:51,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:13:51,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 23:13:51,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:13:51,171 INFO L87 Difference]: Start difference. First operand 1688 states and 2526 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:51,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:13:51,248 INFO L93 Difference]: Finished difference Result 3267 states and 4888 transitions. [2024-10-12 23:13:51,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:13:51,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 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 109 [2024-10-12 23:13:51,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:13:51,257 INFO L225 Difference]: With dead ends: 3267 [2024-10-12 23:13:51,257 INFO L226 Difference]: Without dead ends: 1692 [2024-10-12 23:13:51,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:13:51,264 INFO L432 NwaCegarLoop]: 2511 mSDtfsCounter, 0 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7519 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:13:51,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7519 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:13:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2024-10-12 23:13:51,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1688. [2024-10-12 23:13:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1688 states, 1687 states have (on average 1.4973325429756965) internal successors, (2526), 1687 states have internal predecessors, (2526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2526 transitions. [2024-10-12 23:13:51,301 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2526 transitions. Word has length 109 [2024-10-12 23:13:51,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:13:51,301 INFO L471 AbstractCegarLoop]: Abstraction has 1688 states and 2526 transitions. [2024-10-12 23:13:51,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2526 transitions. [2024-10-12 23:13:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-12 23:13:51,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:51,303 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:51,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 23:13:51,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:51,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:51,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2047634717, now seen corresponding path program 1 times [2024-10-12 23:13:51,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:51,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911206767] [2024-10-12 23:13:51,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:51,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:13:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:13:51,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:13:51,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911206767] [2024-10-12 23:13:51,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911206767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:13:51,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:13:51,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:13:51,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270738888] [2024-10-12 23:13:51,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:13:51,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 23:13:51,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:13:51,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 23:13:51,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:13:51,613 INFO L87 Difference]: Start difference. First operand 1688 states and 2526 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:13:53,534 INFO L93 Difference]: Finished difference Result 4822 states and 7216 transitions. [2024-10-12 23:13:53,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 23:13:53,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 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 110 [2024-10-12 23:13:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:13:53,590 INFO L225 Difference]: With dead ends: 4822 [2024-10-12 23:13:53,591 INFO L226 Difference]: Without dead ends: 3247 [2024-10-12 23:13:53,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-12 23:13:53,594 INFO L432 NwaCegarLoop]: 1902 mSDtfsCounter, 2399 mSDsluCounter, 5575 mSDsCounter, 0 mSdLazyCounter, 2410 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 7477 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-12 23:13:53,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 7477 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2410 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-12 23:13:53,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2024-10-12 23:13:53,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 1767. [2024-10-12 23:13:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1766 states have (on average 1.4966024915062288) internal successors, (2643), 1766 states have internal predecessors, (2643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2643 transitions. [2024-10-12 23:13:53,638 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2643 transitions. Word has length 110 [2024-10-12 23:13:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:13:53,638 INFO L471 AbstractCegarLoop]: Abstraction has 1767 states and 2643 transitions. [2024-10-12 23:13:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2643 transitions. [2024-10-12 23:13:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-12 23:13:53,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:53,640 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:53,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 23:13:53,640 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:53,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:53,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1181818049, now seen corresponding path program 1 times [2024-10-12 23:13:53,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:53,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952172892] [2024-10-12 23:13:53,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:53,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:13:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:13:54,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:13:54,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952172892] [2024-10-12 23:13:54,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952172892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:13:54,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:13:54,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 23:13:54,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398386240] [2024-10-12 23:13:54,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:13:54,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 23:13:54,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:13:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 23:13:54,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 23:13:54,110 INFO L87 Difference]: Start difference. First operand 1767 states and 2643 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:55,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:13:55,683 INFO L93 Difference]: Finished difference Result 3357 states and 5021 transitions. [2024-10-12 23:13:55,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 23:13:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 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 111 [2024-10-12 23:13:55,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:13:55,690 INFO L225 Difference]: With dead ends: 3357 [2024-10-12 23:13:55,692 INFO L226 Difference]: Without dead ends: 1782 [2024-10-12 23:13:55,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-12 23:13:55,700 INFO L432 NwaCegarLoop]: 1878 mSDtfsCounter, 2432 mSDsluCounter, 5623 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 7501 SdHoareTripleChecker+Invalid, 2555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-12 23:13:55,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 7501 Invalid, 2555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2554 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-12 23:13:55,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2024-10-12 23:13:55,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1780. [2024-10-12 23:13:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1779 states have (on average 1.494097807757167) internal successors, (2658), 1779 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2658 transitions. [2024-10-12 23:13:55,735 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2658 transitions. Word has length 111 [2024-10-12 23:13:55,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:13:55,736 INFO L471 AbstractCegarLoop]: Abstraction has 1780 states and 2658 transitions. [2024-10-12 23:13:55,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 5 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2658 transitions. [2024-10-12 23:13:55,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-12 23:13:55,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:55,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:55,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 23:13:55,740 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:55,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:55,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1128564897, now seen corresponding path program 1 times [2024-10-12 23:13:55,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:55,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325374462] [2024-10-12 23:13:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:55,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:13:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:13:56,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:13:56,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325374462] [2024-10-12 23:13:56,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325374462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:13:56,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:13:56,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 23:13:56,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543777734] [2024-10-12 23:13:56,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:13:56,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 23:13:56,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:13:56,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 23:13:56,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 23:13:56,776 INFO L87 Difference]: Start difference. First operand 1780 states and 2658 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:57,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:13:57,182 INFO L93 Difference]: Finished difference Result 4495 states and 6715 transitions. [2024-10-12 23:13:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 23:13:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 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 112 [2024-10-12 23:13:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:13:57,194 INFO L225 Difference]: With dead ends: 4495 [2024-10-12 23:13:57,195 INFO L226 Difference]: Without dead ends: 2905 [2024-10-12 23:13:57,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-12 23:13:57,201 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 1872 mSDsluCounter, 9566 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 12005 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-12 23:13:57,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1872 Valid, 12005 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-12 23:13:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2905 states. [2024-10-12 23:13:57,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2905 to 1775. [2024-10-12 23:13:57,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1774 states have (on average 1.4943630214205186) internal successors, (2651), 1774 states have internal predecessors, (2651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2651 transitions. [2024-10-12 23:13:57,244 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2651 transitions. Word has length 112 [2024-10-12 23:13:57,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:13:57,244 INFO L471 AbstractCegarLoop]: Abstraction has 1775 states and 2651 transitions. [2024-10-12 23:13:57,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:13:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2651 transitions. [2024-10-12 23:13:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-12 23:13:57,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:13:57,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:57,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 23:13:57,247 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:13:57,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:13:57,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1698999196, now seen corresponding path program 1 times [2024-10-12 23:13:57,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:13:57,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124814481] [2024-10-12 23:13:57,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:13:57,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:13:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 23:13:57,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 23:13:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 23:13:57,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 23:13:57,436 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 23:13:57,437 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 23:13:57,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 23:13:57,441 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:13:57,527 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 23:13:57,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:13:57 BoogieIcfgContainer [2024-10-12 23:13:57,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 23:13:57,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 23:13:57,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 23:13:57,530 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 23:13:57,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:48" (3/4) ... [2024-10-12 23:13:57,533 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 23:13:57,534 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 23:13:57,534 INFO L158 Benchmark]: Toolchain (without parser) took 16351.18ms. Allocated memory was 192.9MB in the beginning and 897.6MB in the end (delta: 704.6MB). Free memory was 121.5MB in the beginning and 340.8MB in the end (delta: -219.3MB). Peak memory consumption was 486.1MB. Max. memory is 16.1GB. [2024-10-12 23:13:57,534 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 91.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 23:13:57,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.14ms. Allocated memory is still 192.9MB. Free memory was 121.3MB in the beginning and 107.4MB in the end (delta: 13.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-10-12 23:13:57,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 658.02ms. Allocated memory was 192.9MB in the beginning and 369.1MB in the end (delta: 176.2MB). Free memory was 107.4MB in the beginning and 253.8MB in the end (delta: -146.4MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2024-10-12 23:13:57,535 INFO L158 Benchmark]: Boogie Preprocessor took 670.04ms. Allocated memory is still 369.1MB. Free memory was 253.8MB in the beginning and 220.2MB in the end (delta: 33.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-10-12 23:13:57,536 INFO L158 Benchmark]: RCFGBuilder took 5144.49ms. Allocated memory was 369.1MB in the beginning and 671.1MB in the end (delta: 302.0MB). Free memory was 220.2MB in the beginning and 491.1MB in the end (delta: -270.9MB). Peak memory consumption was 298.8MB. Max. memory is 16.1GB. [2024-10-12 23:13:57,536 INFO L158 Benchmark]: TraceAbstraction took 9007.38ms. Allocated memory was 671.1MB in the beginning and 897.6MB in the end (delta: 226.5MB). Free memory was 491.1MB in the beginning and 341.8MB in the end (delta: 149.2MB). Peak memory consumption was 376.8MB. Max. memory is 16.1GB. [2024-10-12 23:13:57,536 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 897.6MB. Free memory was 341.8MB in the beginning and 340.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 23:13:57,537 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 91.1MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.14ms. Allocated memory is still 192.9MB. Free memory was 121.3MB in the beginning and 107.4MB in the end (delta: 13.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 658.02ms. Allocated memory was 192.9MB in the beginning and 369.1MB in the end (delta: 176.2MB). Free memory was 107.4MB in the beginning and 253.8MB in the end (delta: -146.4MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 670.04ms. Allocated memory is still 369.1MB. Free memory was 253.8MB in the beginning and 220.2MB in the end (delta: 33.6MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5144.49ms. Allocated memory was 369.1MB in the beginning and 671.1MB in the end (delta: 302.0MB). Free memory was 220.2MB in the beginning and 491.1MB in the end (delta: -270.9MB). Peak memory consumption was 298.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9007.38ms. Allocated memory was 671.1MB in the beginning and 897.6MB in the end (delta: 226.5MB). Free memory was 491.1MB in the beginning and 341.8MB in the end (delta: 149.2MB). Peak memory consumption was 376.8MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 897.6MB. Free memory was 341.8MB in the beginning and 340.8MB in the end (delta: 1.0MB). 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 225. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_63 = 1; [L41] const SORT_4 var_64 = 0; [L42] const SORT_2 var_74 = 0; [L43] const SORT_3 var_90 = 0; [L44] const SORT_2 var_95 = 2; [L45] const SORT_2 var_101 = 1; [L46] const SORT_4 var_121 = 2; [L47] const SORT_4 var_229 = 3; [L48] const SORT_2 var_251 = 3; [L50] SORT_1 input_73; [L51] SORT_1 input_75; [L52] SORT_1 input_79; [L53] SORT_1 input_80; [L54] SORT_1 input_84; [L55] SORT_1 input_85; [L56] SORT_1 input_89; [L57] SORT_1 input_96; [L58] SORT_1 input_102; [L59] SORT_1 input_132; [L60] SORT_1 input_135; [L61] SORT_1 input_139; [L62] SORT_1 input_146; [L63] SORT_1 input_149; [L64] SORT_1 input_153; [L65] SORT_1 input_160; [L66] SORT_1 input_163; [L67] SORT_1 input_167; [L68] SORT_1 input_177; [L69] SORT_1 input_195; [L70] SORT_1 input_213; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L72] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L73] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L74] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L75] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L76] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L77] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L78] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L79] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L80] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L81] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L82] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L83] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L84] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L85] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L86] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L87] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L88] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L89] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L90] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L91] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L92] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L93] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L94] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L95] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L96] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L97] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L98] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L99] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_2 init_7_arg_1 = var_5; [L102] state_6 = init_7_arg_1 [L103] SORT_2 init_9_arg_1 = var_5; [L104] state_8 = init_9_arg_1 [L105] SORT_2 init_11_arg_1 = var_5; [L106] state_10 = init_11_arg_1 [L107] SORT_2 init_13_arg_1 = var_5; [L108] state_12 = init_13_arg_1 [L109] SORT_2 init_15_arg_1 = var_5; [L110] state_14 = init_15_arg_1 [L111] SORT_2 init_17_arg_1 = var_5; [L112] state_16 = init_17_arg_1 [L113] SORT_2 init_19_arg_1 = var_5; [L114] state_18 = init_19_arg_1 [L115] SORT_2 init_21_arg_1 = var_5; [L116] state_20 = init_21_arg_1 [L117] SORT_2 init_23_arg_1 = var_5; [L118] state_22 = init_23_arg_1 [L119] SORT_2 init_25_arg_1 = var_5; [L120] state_24 = init_25_arg_1 [L121] SORT_2 init_27_arg_1 = var_5; [L122] state_26 = init_27_arg_1 [L123] SORT_2 init_29_arg_1 = var_5; [L124] state_28 = init_29_arg_1 [L125] SORT_1 init_32_arg_1 = var_30; [L126] state_31 = init_32_arg_1 [L127] SORT_1 init_34_arg_1 = var_30; [L128] state_33 = init_34_arg_1 [L129] SORT_1 init_36_arg_1 = var_30; [L130] state_35 = init_36_arg_1 [L131] SORT_1 init_38_arg_1 = var_30; [L132] state_37 = init_38_arg_1 [L133] SORT_1 init_40_arg_1 = var_30; [L134] state_39 = init_40_arg_1 [L135] SORT_1 init_42_arg_1 = var_30; [L136] state_41 = init_42_arg_1 [L137] SORT_1 init_44_arg_1 = var_30; [L138] state_43 = init_44_arg_1 [L139] SORT_1 init_46_arg_1 = var_30; [L140] state_45 = init_46_arg_1 [L141] SORT_1 init_48_arg_1 = var_30; [L142] state_47 = init_48_arg_1 [L143] SORT_1 init_50_arg_1 = var_30; [L144] state_49 = init_50_arg_1 [L145] SORT_1 init_52_arg_1 = var_30; [L146] state_51 = init_52_arg_1 [L147] SORT_1 init_54_arg_1 = var_30; [L148] state_53 = init_54_arg_1 [L149] SORT_1 init_56_arg_1 = var_30; [L150] state_55 = init_56_arg_1 [L151] SORT_1 init_58_arg_1 = var_30; [L152] state_57 = init_58_arg_1 [L153] SORT_1 init_60_arg_1 = var_30; [L154] state_59 = init_60_arg_1 [L155] SORT_1 init_62_arg_1 = var_30; [L156] state_61 = init_62_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L159] input_73 = __VERIFIER_nondet_uchar() [L160] EXPR input_73 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L160] input_73 = input_73 & mask_SORT_1 [L161] input_75 = __VERIFIER_nondet_uchar() [L162] EXPR input_75 & mask_SORT_1 VAL [input_73=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L162] input_75 = input_75 & mask_SORT_1 [L163] input_79 = __VERIFIER_nondet_uchar() [L164] EXPR input_79 & mask_SORT_1 VAL [input_73=0, input_75=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L164] input_79 = input_79 & mask_SORT_1 [L165] input_80 = __VERIFIER_nondet_uchar() [L166] EXPR input_80 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L166] input_80 = input_80 & mask_SORT_1 [L167] input_84 = __VERIFIER_nondet_uchar() [L168] EXPR input_84 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L168] input_84 = input_84 & mask_SORT_1 [L169] input_85 = __VERIFIER_nondet_uchar() [L170] EXPR input_85 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L170] input_85 = input_85 & mask_SORT_1 [L171] input_89 = __VERIFIER_nondet_uchar() [L172] EXPR input_89 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L172] input_89 = input_89 & mask_SORT_1 [L173] input_96 = __VERIFIER_nondet_uchar() [L174] EXPR input_96 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L174] input_96 = input_96 & mask_SORT_1 [L175] input_102 = __VERIFIER_nondet_uchar() [L176] EXPR input_102 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L176] input_102 = input_102 & mask_SORT_1 [L177] input_132 = __VERIFIER_nondet_uchar() [L178] EXPR input_132 & mask_SORT_1 VAL [input_102=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L178] input_132 = input_132 & mask_SORT_1 [L179] input_135 = __VERIFIER_nondet_uchar() [L180] EXPR input_135 & mask_SORT_1 VAL [input_102=0, input_132=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L180] input_135 = input_135 & mask_SORT_1 [L181] input_139 = __VERIFIER_nondet_uchar() [L182] EXPR input_139 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L182] input_139 = input_139 & mask_SORT_1 [L183] input_146 = __VERIFIER_nondet_uchar() [L184] EXPR input_146 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L184] input_146 = input_146 & mask_SORT_1 [L185] input_149 = __VERIFIER_nondet_uchar() [L186] EXPR input_149 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L186] input_149 = input_149 & mask_SORT_1 [L187] input_153 = __VERIFIER_nondet_uchar() [L188] EXPR input_153 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L188] input_153 = input_153 & mask_SORT_1 [L189] input_160 = __VERIFIER_nondet_uchar() [L190] EXPR input_160 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L190] input_160 = input_160 & mask_SORT_1 [L191] input_163 = __VERIFIER_nondet_uchar() [L192] EXPR input_163 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L192] input_163 = input_163 & mask_SORT_1 [L193] input_167 = __VERIFIER_nondet_uchar() [L194] EXPR input_167 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L194] input_167 = input_167 & mask_SORT_1 [L195] input_177 = __VERIFIER_nondet_uchar() [L196] input_195 = __VERIFIER_nondet_uchar() [L197] input_213 = __VERIFIER_nondet_uchar() [L200] SORT_1 var_65_arg_0 = state_33; [L201] SORT_4 var_65_arg_1 = var_63; [L202] SORT_4 var_65_arg_2 = var_64; [L203] SORT_4 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L204] SORT_1 var_66_arg_0 = state_43; [L205] SORT_4 var_66_arg_1 = var_63; [L206] SORT_4 var_66_arg_2 = var_64; [L207] SORT_4 var_66 = var_66_arg_0 ? var_66_arg_1 : var_66_arg_2; [L208] SORT_4 var_67_arg_0 = var_65; [L209] SORT_4 var_67_arg_1 = var_66; [L210] SORT_4 var_67 = var_67_arg_0 + var_67_arg_1; [L211] SORT_1 var_68_arg_0 = state_53; [L212] SORT_4 var_68_arg_1 = var_63; [L213] SORT_4 var_68_arg_2 = var_64; [L214] SORT_4 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L215] SORT_4 var_69_arg_0 = var_67; [L216] SORT_4 var_69_arg_1 = var_68; [L217] SORT_4 var_69 = var_69_arg_0 + var_69_arg_1; VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_69=0, var_74=0, var_90=0, var_95=2] [L218] EXPR var_69 & mask_SORT_4 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L218] var_69 = var_69 & mask_SORT_4 [L219] SORT_4 var_70_arg_0 = var_69; [L220] SORT_4 var_70_arg_1 = var_63; [L221] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L222] SORT_1 var_71_arg_0 = ~state_61; VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_70=1, var_71_arg_0=-1, var_74=0, var_90=0, var_95=2] [L223] EXPR var_71_arg_0 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_70=1, var_74=0, var_90=0, var_95=2] [L223] var_71_arg_0 = var_71_arg_0 & mask_SORT_1 [L224] SORT_1 var_71_arg_1 = ~var_70; VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_71_arg_0=1, var_71_arg_1=-2, var_74=0, var_90=0, var_95=2] [L225] EXPR var_71_arg_1 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_71_arg_0=1, var_74=0, var_90=0, var_95=2] [L225] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 [L226] EXPR var_71_arg_0 & var_71_arg_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L226] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L227] EXPR var_71 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L227] var_71 = var_71 & mask_SORT_1 [L228] SORT_1 bad_72_arg_0 = var_71; [L229] CALL __VERIFIER_assert(!(bad_72_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1679 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6707 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6707 mSDsluCounter, 57074 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40811 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5434 IncrementalHoareTripleChecker+Invalid, 5438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16263 mSDtfsCounter, 5434 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1780occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 2616 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 875 NumberOfCodeBlocks, 875 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 3637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-12 23:13:57,579 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 23:13:59,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 23:13:59,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-12 23:13:59,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 23:13:59,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 23:13:59,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 23:13:59,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 23:13:59,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 23:13:59,976 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 23:13:59,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 23:13:59,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 23:13:59,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 23:13:59,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 23:13:59,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 23:13:59,980 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 23:13:59,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 23:13:59,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 23:13:59,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 23:13:59,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 23:13:59,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 23:13:59,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 23:13:59,984 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 23:13:59,984 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 23:13:59,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 23:13:59,985 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 23:13:59,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 23:13:59,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 23:13:59,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 23:13:59,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 23:13:59,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 23:13:59,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 23:13:59,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:13:59,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 23:13:59,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 23:13:59,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 23:13:59,987 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 23:13:59,987 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 23:13:59,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 23:13:59,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 23:13:59,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 23:13:59,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 23:13:59,990 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 23:13:59,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e [2024-10-12 23:14:00,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 23:14:00,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 23:14:00,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 23:14:00,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 23:14:00,319 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 23:14:00,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-10-12 23:14:01,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 23:14:02,185 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 23:14:02,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-10-12 23:14:02,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64ef60fc5/dfdf0f20c66943e4a8963b9e9a437415/FLAG420a8886d [2024-10-12 23:14:02,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64ef60fc5/dfdf0f20c66943e4a8963b9e9a437415 [2024-10-12 23:14:02,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 23:14:02,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 23:14:02,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 23:14:02,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 23:14:02,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 23:14:02,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:02" (1/1) ... [2024-10-12 23:14:02,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d06fda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:02, skipping insertion in model container [2024-10-12 23:14:02,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:14:02" (1/1) ... [2024-10-12 23:14:02,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 23:14:02,780 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2024-10-12 23:14:03,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:14:03,038 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 23:14:03,050 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2024-10-12 23:14:03,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:14:03,184 INFO L204 MainTranslator]: Completed translation [2024-10-12 23:14:03,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03 WrapperNode [2024-10-12 23:14:03,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 23:14:03,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 23:14:03,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 23:14:03,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 23:14:03,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,316 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1542 [2024-10-12 23:14:03,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 23:14:03,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 23:14:03,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 23:14:03,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 23:14:03,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,396 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 23:14:03,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 23:14:03,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 23:14:03,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 23:14:03,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 23:14:03,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (1/1) ... [2024-10-12 23:14:03,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:14:03,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 23:14:03,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 23:14:03,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 23:14:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 23:14:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 23:14:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 23:14:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 23:14:03,954 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 23:14:03,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 23:14:05,664 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2024-10-12 23:14:05,665 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 23:14:05,742 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 23:14:05,743 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 23:14:05,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:05 BoogieIcfgContainer [2024-10-12 23:14:05,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 23:14:05,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 23:14:05,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 23:14:05,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 23:14:05,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:14:02" (1/3) ... [2024-10-12 23:14:05,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415b2b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:05, skipping insertion in model container [2024-10-12 23:14:05,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:14:03" (2/3) ... [2024-10-12 23:14:05,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415b2b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:14:05, skipping insertion in model container [2024-10-12 23:14:05,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:14:05" (3/3) ... [2024-10-12 23:14:05,752 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-10-12 23:14:05,768 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 23:14:05,769 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 23:14:05,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 23:14:05,826 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;@68cbc2a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 23:14:05,826 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 23:14:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:14:05,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-12 23:14:05,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:14:05,834 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-12 23:14:05,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:14:05,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:14:05,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-12 23:14:05,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 23:14:05,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948298402] [2024-10-12 23:14:05,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:14:05,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:14:05,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 23:14:05,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 23:14:05,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-12 23:14:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:14:06,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-12 23:14:06,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 23:14:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:14:06,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 23:14:06,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 23:14:06,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948298402] [2024-10-12 23:14:06,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948298402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:14:06,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:14:06,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 23:14:06,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591456272] [2024-10-12 23:14:06,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:14:06,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:14:06,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 23:14:06,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:14:06,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:14:06,581 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:14:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:14:06,738 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-12 23:14:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:14:06,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-12 23:14:06,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:14:06,745 INFO L225 Difference]: With dead ends: 15 [2024-10-12 23:14:06,745 INFO L226 Difference]: Without dead ends: 9 [2024-10-12 23:14:06,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:14:06,750 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 23:14:06,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 23:14:06,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-12 23:14:06,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-12 23:14:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:14:06,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-12 23:14:06,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-12 23:14:06,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:14:06,775 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-12 23:14:06,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:14:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-12 23:14:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-12 23:14:06,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:14:06,776 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-12 23:14:06,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-12 23:14:06,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:14:06,977 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:14:06,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:14:06,978 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-12 23:14:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 23:14:06,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727263682] [2024-10-12 23:14:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:14:06,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:14:06,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 23:14:06,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 23:14:06,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-12 23:14:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:14:07,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-12 23:14:07,504 INFO L278 TraceCheckSpWp]: Computing forward predicates...