./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.h_b03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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.h_b03.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 a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 06:21:27,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 06:21:27,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 06:21:27,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 06:21:27,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 06:21:27,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 06:21:27,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 06:21:27,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 06:21:27,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 06:21:27,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 06:21:27,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 06:21:27,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 06:21:27,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 06:21:27,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 06:21:27,336 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 06:21:27,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 06:21:27,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 06:21:27,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 06:21:27,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 06:21:27,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 06:21:27,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 06:21:27,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 06:21:27,341 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 06:21:27,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 06:21:27,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 06:21:27,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 06:21:27,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 06:21:27,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 06:21:27,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 06:21:27,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:21:27,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 06:21:27,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 06:21:27,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 06:21:27,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 06:21:27,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 06:21:27,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 06:21:27,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 06:21:27,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 06:21:27,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 06:21:27,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 [2024-10-14 06:21:27,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 06:21:27,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 06:21:27,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 06:21:27,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 06:21:27,684 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 06:21:27,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-10-14 06:21:29,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 06:21:29,656 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 06:21:29,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-10-14 06:21:29,677 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/714265f89/20f6e2e885f04856af0c2faffa33701b/FLAG3f25c4ef7 [2024-10-14 06:21:29,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/714265f89/20f6e2e885f04856af0c2faffa33701b [2024-10-14 06:21:29,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 06:21:29,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 06:21:29,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 06:21:29,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 06:21:29,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 06:21:29,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:21:29" (1/1) ... [2024-10-14 06:21:29,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cb055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:29, skipping insertion in model container [2024-10-14 06:21:29,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:21:29" (1/1) ... [2024-10-14 06:21:29,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 06:21:29,973 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.h_b03.c[1245,1258] [2024-10-14 06:21:30,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:21:30,195 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 06:21:30,206 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.h_b03.c[1245,1258] [2024-10-14 06:21:30,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:21:30,511 INFO L204 MainTranslator]: Completed translation [2024-10-14 06:21:30,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30 WrapperNode [2024-10-14 06:21:30,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 06:21:30,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 06:21:30,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 06:21:30,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 06:21:30,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,720 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1909 [2024-10-14 06:21:30,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 06:21:30,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 06:21:30,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 06:21:30,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 06:21:30,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,844 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-14 06:21:30,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:30,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 06:21:31,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 06:21:31,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 06:21:31,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 06:21:31,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (1/1) ... [2024-10-14 06:21:31,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:21:31,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 06:21:31,035 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) [2024-10-14 06:21:31,044 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 [2024-10-14 06:21:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 06:21:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 06:21:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 06:21:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 06:21:31,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 06:21:31,416 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 06:21:31,423 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 06:21:33,375 INFO L? ?]: Removed 1250 outVars from TransFormulas that were not future-live. [2024-10-14 06:21:33,375 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 06:21:33,451 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 06:21:33,451 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 06:21:33,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:21:33 BoogieIcfgContainer [2024-10-14 06:21:33,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 06:21:33,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 06:21:33,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 06:21:33,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 06:21:33,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:21:29" (1/3) ... [2024-10-14 06:21:33,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3889b922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:21:33, skipping insertion in model container [2024-10-14 06:21:33,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:30" (2/3) ... [2024-10-14 06:21:33,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3889b922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:21:33, skipping insertion in model container [2024-10-14 06:21:33,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:21:33" (3/3) ... [2024-10-14 06:21:33,463 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2024-10-14 06:21:33,483 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 06:21:33,484 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 06:21:33,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 06:21:33,584 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;@4eba8fe6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 06:21:33,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 06:21:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 181 states have (on average 1.5027624309392265) internal successors, (272), 182 states have internal predecessors, (272), 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) [2024-10-14 06:21:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-14 06:21:33,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:33,605 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] [2024-10-14 06:21:33,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:33,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1886459951, now seen corresponding path program 1 times [2024-10-14 06:21:33,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:33,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063797991] [2024-10-14 06:21:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:33,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:34,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:34,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063797991] [2024-10-14 06:21:34,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063797991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:34,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:34,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:34,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747381323] [2024-10-14 06:21:34,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:34,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 06:21:34,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:34,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 06:21:34,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:21:34,526 INFO L87 Difference]: Start difference. First operand has 183 states, 181 states have (on average 1.5027624309392265) internal successors, (272), 182 states have internal predecessors, (272), 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 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-10-14 06:21:34,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:34,625 INFO L93 Difference]: Finished difference Result 306 states and 456 transitions. [2024-10-14 06:21:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 06:21:34,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2024-10-14 06:21:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:34,644 INFO L225 Difference]: With dead ends: 306 [2024-10-14 06:21:34,644 INFO L226 Difference]: Without dead ends: 184 [2024-10-14 06:21:34,648 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 [2024-10-14 06:21:34,651 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 796 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 [2024-10-14 06:21:34,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 796 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:21:34,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-10-14 06:21:34,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-10-14 06:21:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.4863387978142077) internal successors, (272), 183 states have internal predecessors, (272), 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) [2024-10-14 06:21:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 272 transitions. [2024-10-14 06:21:34,703 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 272 transitions. Word has length 56 [2024-10-14 06:21:34,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:34,704 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 272 transitions. [2024-10-14 06:21:34,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-10-14 06:21:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 272 transitions. [2024-10-14 06:21:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-14 06:21:34,706 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:34,707 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] [2024-10-14 06:21:34,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 06:21:34,707 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:34,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:34,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1647588172, now seen corresponding path program 1 times [2024-10-14 06:21:34,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:34,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555980331] [2024-10-14 06:21:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:34,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:34,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555980331] [2024-10-14 06:21:34,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555980331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:34,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:34,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:34,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706777437] [2024-10-14 06:21:34,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:34,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 06:21:34,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:34,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 06:21:35,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:21:35,029 INFO L87 Difference]: Start difference. First operand 184 states and 272 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-10-14 06:21:35,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:35,110 INFO L93 Difference]: Finished difference Result 309 states and 456 transitions. [2024-10-14 06:21:35,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 06:21:35,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2024-10-14 06:21:35,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:35,115 INFO L225 Difference]: With dead ends: 309 [2024-10-14 06:21:35,115 INFO L226 Difference]: Without dead ends: 186 [2024-10-14 06:21:35,116 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 [2024-10-14 06:21:35,116 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 0 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:35,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 793 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:35,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-10-14 06:21:35,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2024-10-14 06:21:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.481081081081081) internal successors, (274), 185 states have internal predecessors, (274), 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) [2024-10-14 06:21:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 274 transitions. [2024-10-14 06:21:35,134 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 274 transitions. Word has length 57 [2024-10-14 06:21:35,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:35,142 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 274 transitions. [2024-10-14 06:21:35,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-10-14 06:21:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 274 transitions. [2024-10-14 06:21:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-14 06:21:35,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:35,143 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] [2024-10-14 06:21:35,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 06:21:35,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:35,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:35,144 INFO L85 PathProgramCache]: Analyzing trace with hash -633591384, now seen corresponding path program 1 times [2024-10-14 06:21:35,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:35,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920292878] [2024-10-14 06:21:35,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:35,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:36,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:36,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920292878] [2024-10-14 06:21:36,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920292878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:36,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:36,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 06:21:36,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860566497] [2024-10-14 06:21:36,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:36,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 06:21:36,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:36,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 06:21:36,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:21:36,172 INFO L87 Difference]: Start difference. First operand 186 states and 274 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-14 06:21:36,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:36,283 INFO L93 Difference]: Finished difference Result 318 states and 468 transitions. [2024-10-14 06:21:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 06:21:36,284 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 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 58 [2024-10-14 06:21:36,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:36,287 INFO L225 Difference]: With dead ends: 318 [2024-10-14 06:21:36,287 INFO L226 Difference]: Without dead ends: 193 [2024-10-14 06:21:36,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-14 06:21:36,289 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 233 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:36,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1295 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:36,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-14 06:21:36,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 192. [2024-10-14 06:21:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.4712041884816753) internal successors, (281), 191 states have internal predecessors, (281), 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) [2024-10-14 06:21:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 281 transitions. [2024-10-14 06:21:36,299 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 281 transitions. Word has length 58 [2024-10-14 06:21:36,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:36,300 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 281 transitions. [2024-10-14 06:21:36,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-10-14 06:21:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 281 transitions. [2024-10-14 06:21:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 06:21:36,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:36,302 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] [2024-10-14 06:21:36,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 06:21:36,302 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:36,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash -896918281, now seen corresponding path program 1 times [2024-10-14 06:21:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:36,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275372586] [2024-10-14 06:21:36,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:36,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:37,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:37,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275372586] [2024-10-14 06:21:37,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275372586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:37,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:37,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 06:21:37,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244365845] [2024-10-14 06:21:37,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:37,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 06:21:37,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:37,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 06:21:37,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 06:21:37,252 INFO L87 Difference]: Start difference. First operand 192 states and 281 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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) [2024-10-14 06:21:37,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:37,490 INFO L93 Difference]: Finished difference Result 339 states and 495 transitions. [2024-10-14 06:21:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 06:21:37,491 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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 59 [2024-10-14 06:21:37,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:37,494 INFO L225 Difference]: With dead ends: 339 [2024-10-14 06:21:37,494 INFO L226 Difference]: Without dead ends: 208 [2024-10-14 06:21:37,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-10-14 06:21:37,501 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 270 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 2058 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:37,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 2058 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:37,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-14 06:21:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 204. [2024-10-14 06:21:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.4679802955665024) internal successors, (298), 203 states have internal predecessors, (298), 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) [2024-10-14 06:21:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 298 transitions. [2024-10-14 06:21:37,518 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 298 transitions. Word has length 59 [2024-10-14 06:21:37,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:37,519 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 298 transitions. [2024-10-14 06:21:37,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 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) [2024-10-14 06:21:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 298 transitions. [2024-10-14 06:21:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 06:21:37,524 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:37,525 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] [2024-10-14 06:21:37,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 06:21:37,525 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:37,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:37,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1378210856, now seen corresponding path program 1 times [2024-10-14 06:21:37,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:37,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056026030] [2024-10-14 06:21:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:37,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:38,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:38,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056026030] [2024-10-14 06:21:38,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056026030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:38,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:38,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 06:21:38,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789713774] [2024-10-14 06:21:38,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:38,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 06:21:38,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:38,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 06:21:38,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 06:21:38,037 INFO L87 Difference]: Start difference. First operand 204 states and 298 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 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) [2024-10-14 06:21:38,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:38,155 INFO L93 Difference]: Finished difference Result 363 states and 529 transitions. [2024-10-14 06:21:38,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 06:21:38,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2024-10-14 06:21:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:38,157 INFO L225 Difference]: With dead ends: 363 [2024-10-14 06:21:38,157 INFO L226 Difference]: Without dead ends: 218 [2024-10-14 06:21:38,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-14 06:21:38,162 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 252 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:38,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 1560 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:38,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-10-14 06:21:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-10-14 06:21:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 217 states have (on average 1.456221198156682) internal successors, (316), 217 states have internal predecessors, (316), 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) [2024-10-14 06:21:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 316 transitions. [2024-10-14 06:21:38,180 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 316 transitions. Word has length 60 [2024-10-14 06:21:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:38,180 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 316 transitions. [2024-10-14 06:21:38,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 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) [2024-10-14 06:21:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 316 transitions. [2024-10-14 06:21:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 06:21:38,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:38,181 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] [2024-10-14 06:21:38,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 06:21:38,186 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:38,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:38,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1783143103, now seen corresponding path program 1 times [2024-10-14 06:21:38,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:38,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345475531] [2024-10-14 06:21:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:38,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:38,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:38,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345475531] [2024-10-14 06:21:38,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345475531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:38,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:38,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:38,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578584926] [2024-10-14 06:21:38,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:38,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:21:38,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:38,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:21:38,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:21:38,395 INFO L87 Difference]: Start difference. First operand 218 states and 316 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-14 06:21:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:38,471 INFO L93 Difference]: Finished difference Result 456 states and 652 transitions. [2024-10-14 06:21:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:21:38,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 60 [2024-10-14 06:21:38,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:38,474 INFO L225 Difference]: With dead ends: 456 [2024-10-14 06:21:38,475 INFO L226 Difference]: Without dead ends: 297 [2024-10-14 06:21:38,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:21:38,479 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 367 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:38,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 775 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:38,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-10-14 06:21:38,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 249. [2024-10-14 06:21:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.4435483870967742) internal successors, (358), 248 states have internal predecessors, (358), 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) [2024-10-14 06:21:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 358 transitions. [2024-10-14 06:21:38,493 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 358 transitions. Word has length 60 [2024-10-14 06:21:38,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:38,494 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 358 transitions. [2024-10-14 06:21:38,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-14 06:21:38,494 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 358 transitions. [2024-10-14 06:21:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 06:21:38,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:38,499 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] [2024-10-14 06:21:38,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 06:21:38,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:38,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:38,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1875315468, now seen corresponding path program 1 times [2024-10-14 06:21:38,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:38,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060993766] [2024-10-14 06:21:38,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:38,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:38,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:38,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060993766] [2024-10-14 06:21:38,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060993766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:38,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:38,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:38,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733704964] [2024-10-14 06:21:38,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:38,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:21:38,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:38,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:21:38,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:21:38,791 INFO L87 Difference]: Start difference. First operand 249 states and 358 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-14 06:21:38,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:38,879 INFO L93 Difference]: Finished difference Result 455 states and 647 transitions. [2024-10-14 06:21:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:21:38,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 60 [2024-10-14 06:21:38,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:38,881 INFO L225 Difference]: With dead ends: 455 [2024-10-14 06:21:38,882 INFO L226 Difference]: Without dead ends: 281 [2024-10-14 06:21:38,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:21:38,884 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 365 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:38,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 775 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:38,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-10-14 06:21:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 235. [2024-10-14 06:21:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 234 states have (on average 1.4401709401709402) internal successors, (337), 234 states have internal predecessors, (337), 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) [2024-10-14 06:21:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 337 transitions. [2024-10-14 06:21:38,897 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 337 transitions. Word has length 60 [2024-10-14 06:21:38,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:38,897 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 337 transitions. [2024-10-14 06:21:38,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-14 06:21:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2024-10-14 06:21:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 06:21:38,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:38,899 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] [2024-10-14 06:21:38,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 06:21:38,900 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:38,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:38,901 INFO L85 PathProgramCache]: Analyzing trace with hash -177880731, now seen corresponding path program 1 times [2024-10-14 06:21:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:38,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378671319] [2024-10-14 06:21:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:39,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:39,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:39,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378671319] [2024-10-14 06:21:39,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378671319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:39,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:39,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 06:21:39,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399127252] [2024-10-14 06:21:39,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:39,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 06:21:39,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:39,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 06:21:39,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-14 06:21:39,671 INFO L87 Difference]: Start difference. First operand 235 states and 337 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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) [2024-10-14 06:21:39,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:39,858 INFO L93 Difference]: Finished difference Result 416 states and 595 transitions. [2024-10-14 06:21:39,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 06:21:39,859 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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 61 [2024-10-14 06:21:39,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:39,860 INFO L225 Difference]: With dead ends: 416 [2024-10-14 06:21:39,861 INFO L226 Difference]: Without dead ends: 259 [2024-10-14 06:21:39,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-14 06:21:39,863 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 249 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 2078 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:39,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 2078 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:39,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-14 06:21:39,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2024-10-14 06:21:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.4325396825396826) internal successors, (361), 252 states have internal predecessors, (361), 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) [2024-10-14 06:21:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 361 transitions. [2024-10-14 06:21:39,873 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 361 transitions. Word has length 61 [2024-10-14 06:21:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:39,875 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 361 transitions. [2024-10-14 06:21:39,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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) [2024-10-14 06:21:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 361 transitions. [2024-10-14 06:21:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 06:21:39,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:39,876 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] [2024-10-14 06:21:39,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 06:21:39,877 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:39,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:39,878 INFO L85 PathProgramCache]: Analyzing trace with hash -573573140, now seen corresponding path program 1 times [2024-10-14 06:21:39,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:39,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125731282] [2024-10-14 06:21:39,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:39,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:40,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:40,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125731282] [2024-10-14 06:21:40,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125731282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:40,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:40,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:40,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974456228] [2024-10-14 06:21:40,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:40,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:21:40,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:40,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:21:40,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:21:40,126 INFO L87 Difference]: Start difference. First operand 253 states and 361 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-14 06:21:40,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:40,199 INFO L93 Difference]: Finished difference Result 472 states and 667 transitions. [2024-10-14 06:21:40,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:21:40,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2024-10-14 06:21:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:40,201 INFO L225 Difference]: With dead ends: 472 [2024-10-14 06:21:40,202 INFO L226 Difference]: Without dead ends: 287 [2024-10-14 06:21:40,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:21:40,203 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 343 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:40,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 775 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:21:40,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-10-14 06:21:40,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 243. [2024-10-14 06:21:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 242 states have (on average 1.4338842975206612) internal successors, (347), 242 states have internal predecessors, (347), 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) [2024-10-14 06:21:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 347 transitions. [2024-10-14 06:21:40,217 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 347 transitions. Word has length 61 [2024-10-14 06:21:40,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:40,217 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 347 transitions. [2024-10-14 06:21:40,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-14 06:21:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 347 transitions. [2024-10-14 06:21:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 06:21:40,219 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:40,219 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] [2024-10-14 06:21:40,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 06:21:40,219 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:40,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:40,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1430893704, now seen corresponding path program 1 times [2024-10-14 06:21:40,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:40,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216916755] [2024-10-14 06:21:40,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:41,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:41,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216916755] [2024-10-14 06:21:41,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216916755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:41,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:41,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 06:21:41,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833138410] [2024-10-14 06:21:41,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:41,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 06:21:41,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:41,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 06:21:41,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-10-14 06:21:41,006 INFO L87 Difference]: Start difference. First operand 243 states and 347 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 13 states have internal predecessors, (62), 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) [2024-10-14 06:21:41,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:41,244 INFO L93 Difference]: Finished difference Result 429 states and 612 transitions. [2024-10-14 06:21:41,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 06:21:41,245 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 13 states have internal predecessors, (62), 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 62 [2024-10-14 06:21:41,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:41,247 INFO L225 Difference]: With dead ends: 429 [2024-10-14 06:21:41,247 INFO L226 Difference]: Without dead ends: 256 [2024-10-14 06:21:41,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-10-14 06:21:41,248 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 256 mSDsluCounter, 2540 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:41,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 2796 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 06:21:41,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-10-14 06:21:41,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 251. [2024-10-14 06:21:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.432) internal successors, (358), 250 states have internal predecessors, (358), 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) [2024-10-14 06:21:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 358 transitions. [2024-10-14 06:21:41,257 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 358 transitions. Word has length 62 [2024-10-14 06:21:41,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:41,257 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 358 transitions. [2024-10-14 06:21:41,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 13 states have internal predecessors, (62), 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) [2024-10-14 06:21:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 358 transitions. [2024-10-14 06:21:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 06:21:41,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:41,258 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] [2024-10-14 06:21:41,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 06:21:41,259 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:41,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:41,260 INFO L85 PathProgramCache]: Analyzing trace with hash 775235404, now seen corresponding path program 1 times [2024-10-14 06:21:41,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:41,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387963850] [2024-10-14 06:21:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:41,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:42,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:42,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387963850] [2024-10-14 06:21:42,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387963850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:42,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:42,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 06:21:42,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690937394] [2024-10-14 06:21:42,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:42,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 06:21:42,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 06:21:42,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-10-14 06:21:42,046 INFO L87 Difference]: Start difference. First operand 251 states and 358 transitions. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 15 states have internal predecessors, (62), 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) [2024-10-14 06:21:42,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:42,379 INFO L93 Difference]: Finished difference Result 458 states and 652 transitions. [2024-10-14 06:21:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 06:21:42,380 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 15 states have internal predecessors, (62), 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 62 [2024-10-14 06:21:42,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:42,382 INFO L225 Difference]: With dead ends: 458 [2024-10-14 06:21:42,382 INFO L226 Difference]: Without dead ends: 277 [2024-10-14 06:21:42,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-14 06:21:42,384 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 256 mSDsluCounter, 3234 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 3485 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:42,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 3485 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 06:21:42,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-10-14 06:21:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 270. [2024-10-14 06:21:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 269 states have (on average 1.4312267657992566) internal successors, (385), 269 states have internal predecessors, (385), 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) [2024-10-14 06:21:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 385 transitions. [2024-10-14 06:21:42,391 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 385 transitions. Word has length 62 [2024-10-14 06:21:42,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:42,392 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 385 transitions. [2024-10-14 06:21:42,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 15 states have internal predecessors, (62), 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) [2024-10-14 06:21:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 385 transitions. [2024-10-14 06:21:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 06:21:42,393 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:42,393 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] [2024-10-14 06:21:42,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 06:21:42,393 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:42,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:42,394 INFO L85 PathProgramCache]: Analyzing trace with hash 920405523, now seen corresponding path program 1 times [2024-10-14 06:21:42,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:42,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270657514] [2024-10-14 06:21:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:42,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:42,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:42,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270657514] [2024-10-14 06:21:42,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270657514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:42,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:42,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:42,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586741006] [2024-10-14 06:21:42,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:42,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:21:42,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:42,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:21:42,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:21:42,596 INFO L87 Difference]: Start difference. First operand 270 states and 385 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-10-14 06:21:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:42,661 INFO L93 Difference]: Finished difference Result 517 states and 729 transitions. [2024-10-14 06:21:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:21:42,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2024-10-14 06:21:42,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:42,663 INFO L225 Difference]: With dead ends: 517 [2024-10-14 06:21:42,663 INFO L226 Difference]: Without dead ends: 317 [2024-10-14 06:21:42,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:21:42,665 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 316 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:42,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 775 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:21:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-10-14 06:21:42,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 289. [2024-10-14 06:21:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4166666666666667) internal successors, (408), 288 states have internal predecessors, (408), 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) [2024-10-14 06:21:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 408 transitions. [2024-10-14 06:21:42,674 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 408 transitions. Word has length 62 [2024-10-14 06:21:42,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:42,674 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 408 transitions. [2024-10-14 06:21:42,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-10-14 06:21:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 408 transitions. [2024-10-14 06:21:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 06:21:42,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:42,676 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] [2024-10-14 06:21:42,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 06:21:42,676 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:42,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:42,676 INFO L85 PathProgramCache]: Analyzing trace with hash -85644059, now seen corresponding path program 1 times [2024-10-14 06:21:42,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:42,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753058459] [2024-10-14 06:21:42,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:42,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:42,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:42,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753058459] [2024-10-14 06:21:42,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753058459] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:42,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:42,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:42,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602485997] [2024-10-14 06:21:42,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:42,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:21:42,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:42,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:21:42,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:21:42,870 INFO L87 Difference]: Start difference. First operand 289 states and 408 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-10-14 06:21:42,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:42,935 INFO L93 Difference]: Finished difference Result 521 states and 731 transitions. [2024-10-14 06:21:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:21:42,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2024-10-14 06:21:42,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:42,937 INFO L225 Difference]: With dead ends: 521 [2024-10-14 06:21:42,937 INFO L226 Difference]: Without dead ends: 309 [2024-10-14 06:21:42,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 06:21:42,938 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 311 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:42,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 775 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:21:42,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-10-14 06:21:42,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 283. [2024-10-14 06:21:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.4148936170212767) internal successors, (399), 282 states have internal predecessors, (399), 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) [2024-10-14 06:21:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 399 transitions. [2024-10-14 06:21:42,946 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 399 transitions. Word has length 62 [2024-10-14 06:21:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:42,947 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 399 transitions. [2024-10-14 06:21:42,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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) [2024-10-14 06:21:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 399 transitions. [2024-10-14 06:21:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-14 06:21:42,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:42,948 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] [2024-10-14 06:21:42,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 06:21:42,948 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:42,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:42,949 INFO L85 PathProgramCache]: Analyzing trace with hash -9018232, now seen corresponding path program 1 times [2024-10-14 06:21:42,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:42,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896267239] [2024-10-14 06:21:42,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:42,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:43,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 06:21:43,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896267239] [2024-10-14 06:21:43,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896267239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:43,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:43,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 06:21:43,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176517738] [2024-10-14 06:21:43,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:43,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 06:21:43,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 06:21:43,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 06:21:43,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 06:21:43,322 INFO L87 Difference]: Start difference. First operand 283 states and 399 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-14 06:21:43,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:43,368 INFO L93 Difference]: Finished difference Result 487 states and 691 transitions. [2024-10-14 06:21:43,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 06:21:43,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 63 [2024-10-14 06:21:43,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:43,370 INFO L225 Difference]: With dead ends: 487 [2024-10-14 06:21:43,370 INFO L226 Difference]: Without dead ends: 284 [2024-10-14 06:21:43,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 06:21:43,371 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 229 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:43,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 789 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 06:21:43,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-10-14 06:21:43,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-10-14 06:21:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 283 states have (on average 1.4134275618374559) internal successors, (400), 283 states have internal predecessors, (400), 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) [2024-10-14 06:21:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 400 transitions. [2024-10-14 06:21:43,379 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 400 transitions. Word has length 63 [2024-10-14 06:21:43,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:43,379 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 400 transitions. [2024-10-14 06:21:43,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-10-14 06:21:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 400 transitions. [2024-10-14 06:21:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-14 06:21:43,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:43,380 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] [2024-10-14 06:21:43,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 06:21:43,381 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:43,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:43,381 INFO L85 PathProgramCache]: Analyzing trace with hash -172960813, now seen corresponding path program 1 times [2024-10-14 06:21:43,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 06:21:43,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710010436] [2024-10-14 06:21:43,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:43,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 06:21:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 06:21:43,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 06:21:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 06:21:43,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 06:21:43,573 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 06:21:43,574 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 06:21:43,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 06:21:43,579 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 06:21:43,689 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 06:21:43,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:21:43 BoogieIcfgContainer [2024-10-14 06:21:43,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 06:21:43,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 06:21:43,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 06:21:43,697 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 06:21:43,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:21:33" (3/4) ... [2024-10-14 06:21:43,700 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 06:21:43,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 06:21:43,702 INFO L158 Benchmark]: Toolchain (without parser) took 14005.02ms. Allocated memory was 243.3MB in the beginning and 637.5MB in the end (delta: 394.3MB). Free memory was 172.6MB in the beginning and 438.3MB in the end (delta: -265.7MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. [2024-10-14 06:21:43,702 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 06:21:43,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.97ms. Allocated memory is still 243.3MB. Free memory was 172.3MB in the beginning and 197.9MB in the end (delta: -25.6MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-10-14 06:21:43,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.83ms. Allocated memory is still 243.3MB. Free memory was 197.9MB in the beginning and 167.8MB in the end (delta: 30.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-14 06:21:43,703 INFO L158 Benchmark]: Boogie Preprocessor took 277.25ms. Allocated memory is still 243.3MB. Free memory was 167.8MB in the beginning and 143.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-14 06:21:43,704 INFO L158 Benchmark]: RCFGBuilder took 2453.07ms. Allocated memory is still 243.3MB. Free memory was 143.7MB in the beginning and 96.5MB in the end (delta: 47.2MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2024-10-14 06:21:43,704 INFO L158 Benchmark]: TraceAbstraction took 10241.10ms. Allocated memory was 243.3MB in the beginning and 637.5MB in the end (delta: 394.3MB). Free memory was 95.4MB in the beginning and 439.4MB in the end (delta: -344.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-10-14 06:21:43,704 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 637.5MB. Free memory was 439.4MB in the beginning and 438.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 06:21:43,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.97ms. Allocated memory is still 243.3MB. Free memory was 172.3MB in the beginning and 197.9MB in the end (delta: -25.6MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.83ms. Allocated memory is still 243.3MB. Free memory was 197.9MB in the beginning and 167.8MB in the end (delta: 30.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 277.25ms. Allocated memory is still 243.3MB. Free memory was 167.8MB in the beginning and 143.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2453.07ms. Allocated memory is still 243.3MB. Free memory was 143.7MB in the beginning and 96.5MB in the end (delta: 47.2MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10241.10ms. Allocated memory was 243.3MB in the beginning and 637.5MB in the end (delta: 394.3MB). Free memory was 95.4MB in the beginning and 439.4MB in the end (delta: -344.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 637.5MB. Free memory was 439.4MB in the beginning and 438.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 375. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L35] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 3); [L36] const SORT_37 msb_SORT_37 = (SORT_37)1 << (3 - 1); [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 2); [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (2 - 1); [L41] const SORT_7 var_8 = 0; [L42] const SORT_11 var_13 = 0; [L43] const SORT_11 var_16 = 8; [L44] const SORT_11 var_20 = 4; [L45] const SORT_11 var_24 = 2; [L46] const SORT_11 var_28 = 1; [L47] const SORT_1 var_33 = 1; [L48] const SORT_37 var_38 = 0; [L49] const SORT_1 var_47 = 0; [L50] const SORT_67 var_68 = 0; [L51] const SORT_67 var_71 = 1; [L52] const SORT_37 var_81 = 7; [L53] const SORT_37 var_104 = 1; [L54] const SORT_37 var_123 = 2; [L55] const SORT_37 var_138 = 4; [L56] const SORT_67 var_154 = 2; [L57] const SORT_7 var_394 = 8; [L58] const SORT_7 var_397 = 4; [L59] const SORT_7 var_400 = 2; [L60] const SORT_7 var_401 = 1; [L62] SORT_1 input_2; [L63] SORT_1 input_3; [L64] SORT_1 input_4; [L65] SORT_1 input_5; [L66] SORT_1 input_6; [L67] SORT_37 input_75; [L68] SORT_37 input_76; [L69] SORT_37 input_77; [L70] SORT_37 input_78; [L71] SORT_37 input_79; [L72] SORT_37 input_80; [L73] SORT_37 input_85; [L74] SORT_37 input_87; [L75] SORT_37 input_89; [L76] SORT_37 input_94; [L77] SORT_37 input_96; [L78] SORT_37 input_98; [L79] SORT_37 input_102; [L80] SORT_37 input_103; [L81] SORT_37 input_108; [L82] SORT_37 input_110; [L83] SORT_37 input_115; [L84] SORT_37 input_117; [L85] SORT_37 input_121; [L86] SORT_37 input_122; [L87] SORT_37 input_127; [L88] SORT_37 input_132; [L89] SORT_37 input_136; [L90] SORT_37 input_137; [L91] SORT_37 input_149; [L92] SORT_37 input_160; [L93] SORT_37 input_161; [L94] SORT_37 input_162; [L95] SORT_37 input_163; [L96] SORT_37 input_164; [L97] SORT_37 input_165; [L98] SORT_37 input_168; [L99] SORT_37 input_170; [L100] SORT_37 input_172; [L101] SORT_37 input_177; [L102] SORT_37 input_179; [L103] SORT_37 input_181; [L104] SORT_37 input_185; [L105] SORT_37 input_186; [L106] SORT_37 input_189; [L107] SORT_37 input_191; [L108] SORT_37 input_196; [L109] SORT_37 input_198; [L110] SORT_37 input_202; [L111] SORT_37 input_203; [L112] SORT_37 input_206; [L113] SORT_37 input_211; [L114] SORT_37 input_215; [L115] SORT_37 input_216; [L116] SORT_37 input_226; [L117] SORT_37 input_233; [L118] SORT_37 input_234; [L119] SORT_37 input_235; [L120] SORT_37 input_236; [L121] SORT_37 input_237; [L122] SORT_37 input_238; [L123] SORT_37 input_241; [L124] SORT_37 input_243; [L125] SORT_37 input_245; [L126] SORT_37 input_250; [L127] SORT_37 input_252; [L128] SORT_37 input_254; [L129] SORT_37 input_258; [L130] SORT_37 input_259; [L131] SORT_37 input_262; [L132] SORT_37 input_264; [L133] SORT_37 input_269; [L134] SORT_37 input_271; [L135] SORT_37 input_275; [L136] SORT_37 input_276; [L137] SORT_37 input_279; [L138] SORT_37 input_284; [L139] SORT_37 input_288; [L140] SORT_37 input_289; [L141] SORT_37 input_299; [L142] SORT_37 input_306; [L143] SORT_37 input_307; [L144] SORT_37 input_308; [L145] SORT_37 input_309; [L146] SORT_37 input_310; [L147] SORT_37 input_311; [L148] SORT_37 input_314; [L149] SORT_37 input_316; [L150] SORT_37 input_318; [L151] SORT_37 input_323; [L152] SORT_37 input_325; [L153] SORT_37 input_327; [L154] SORT_37 input_331; [L155] SORT_37 input_332; [L156] SORT_37 input_335; [L157] SORT_37 input_337; [L158] SORT_37 input_342; [L159] SORT_37 input_344; [L160] SORT_37 input_348; [L161] SORT_37 input_349; [L162] SORT_37 input_352; [L163] SORT_37 input_357; [L164] SORT_37 input_361; [L165] SORT_37 input_362; [L166] SORT_37 input_372; [L167] SORT_7 input_391; [L168] SORT_7 input_392; [L169] SORT_7 input_393; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L171] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L172] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L172] SORT_37 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L173] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L173] SORT_37 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L174] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L174] SORT_37 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L175] EXPR __VERIFIER_nondet_uchar() & mask_SORT_37 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L175] SORT_37 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_37; [L176] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L176] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L177] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L178] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L179] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L180] SORT_7 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L181] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L181] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L182] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L182] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L183] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L184] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L184] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L185] EXPR __VERIFIER_nondet_uchar() & mask_SORT_67 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_47=0, var_68=0, var_71=1, var_81=7, var_8=0] [L185] SORT_67 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_67; [L187] SORT_7 init_10_arg_1 = var_8; [L188] state_9 = init_10_arg_1 [L189] SORT_37 init_40_arg_1 = var_38; [L190] state_39 = init_40_arg_1 [L191] SORT_37 init_42_arg_1 = var_38; [L192] state_41 = init_42_arg_1 [L193] SORT_37 init_44_arg_1 = var_38; [L194] state_43 = init_44_arg_1 [L195] SORT_37 init_46_arg_1 = var_38; [L196] state_45 = init_46_arg_1 [L197] SORT_1 init_49_arg_1 = var_47; [L198] state_48 = init_49_arg_1 [L199] SORT_1 init_51_arg_1 = var_47; [L200] state_50 = init_51_arg_1 [L201] SORT_1 init_53_arg_1 = var_47; [L202] state_52 = init_53_arg_1 [L203] SORT_1 init_55_arg_1 = var_47; [L204] state_54 = init_55_arg_1 [L205] SORT_7 init_57_arg_1 = var_8; [L206] state_56 = init_57_arg_1 [L207] SORT_1 init_60_arg_1 = var_47; [L208] state_59 = init_60_arg_1 [L209] SORT_1 init_62_arg_1 = var_47; [L210] state_61 = init_62_arg_1 [L211] SORT_1 init_64_arg_1 = var_47; [L212] state_63 = init_64_arg_1 [L213] SORT_1 init_66_arg_1 = var_47; [L214] state_65 = init_66_arg_1 [L215] SORT_67 init_70_arg_1 = var_68; [L216] state_69 = init_70_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L219] input_2 = __VERIFIER_nondet_uchar() [L220] input_3 = __VERIFIER_nondet_uchar() [L221] input_4 = __VERIFIER_nondet_uchar() [L222] input_5 = __VERIFIER_nondet_uchar() [L223] input_6 = __VERIFIER_nondet_uchar() [L224] input_75 = __VERIFIER_nondet_uchar() [L225] input_76 = __VERIFIER_nondet_uchar() [L226] input_77 = __VERIFIER_nondet_uchar() [L227] input_78 = __VERIFIER_nondet_uchar() [L228] input_79 = __VERIFIER_nondet_uchar() [L229] input_80 = __VERIFIER_nondet_uchar() [L230] input_85 = __VERIFIER_nondet_uchar() [L231] input_87 = __VERIFIER_nondet_uchar() [L232] input_89 = __VERIFIER_nondet_uchar() [L233] input_94 = __VERIFIER_nondet_uchar() [L234] input_96 = __VERIFIER_nondet_uchar() [L235] input_98 = __VERIFIER_nondet_uchar() [L236] input_102 = __VERIFIER_nondet_uchar() [L237] input_103 = __VERIFIER_nondet_uchar() [L238] input_108 = __VERIFIER_nondet_uchar() [L239] input_110 = __VERIFIER_nondet_uchar() [L240] input_115 = __VERIFIER_nondet_uchar() [L241] input_117 = __VERIFIER_nondet_uchar() [L242] input_121 = __VERIFIER_nondet_uchar() [L243] input_122 = __VERIFIER_nondet_uchar() [L244] input_127 = __VERIFIER_nondet_uchar() [L245] input_132 = __VERIFIER_nondet_uchar() [L246] input_136 = __VERIFIER_nondet_uchar() [L247] input_137 = __VERIFIER_nondet_uchar() [L248] input_149 = __VERIFIER_nondet_uchar() [L249] input_160 = __VERIFIER_nondet_uchar() [L250] input_161 = __VERIFIER_nondet_uchar() [L251] input_162 = __VERIFIER_nondet_uchar() [L252] input_163 = __VERIFIER_nondet_uchar() [L253] input_164 = __VERIFIER_nondet_uchar() [L254] input_165 = __VERIFIER_nondet_uchar() [L255] input_168 = __VERIFIER_nondet_uchar() [L256] input_170 = __VERIFIER_nondet_uchar() [L257] input_172 = __VERIFIER_nondet_uchar() [L258] input_177 = __VERIFIER_nondet_uchar() [L259] input_179 = __VERIFIER_nondet_uchar() [L260] input_181 = __VERIFIER_nondet_uchar() [L261] input_185 = __VERIFIER_nondet_uchar() [L262] input_186 = __VERIFIER_nondet_uchar() [L263] input_189 = __VERIFIER_nondet_uchar() [L264] input_191 = __VERIFIER_nondet_uchar() [L265] input_196 = __VERIFIER_nondet_uchar() [L266] input_198 = __VERIFIER_nondet_uchar() [L267] input_202 = __VERIFIER_nondet_uchar() [L268] input_203 = __VERIFIER_nondet_uchar() [L269] input_206 = __VERIFIER_nondet_uchar() [L270] input_211 = __VERIFIER_nondet_uchar() [L271] input_215 = __VERIFIER_nondet_uchar() [L272] input_216 = __VERIFIER_nondet_uchar() [L273] input_226 = __VERIFIER_nondet_uchar() [L274] input_233 = __VERIFIER_nondet_uchar() [L275] input_234 = __VERIFIER_nondet_uchar() [L276] input_235 = __VERIFIER_nondet_uchar() [L277] input_236 = __VERIFIER_nondet_uchar() [L278] input_237 = __VERIFIER_nondet_uchar() [L279] input_238 = __VERIFIER_nondet_uchar() [L280] input_241 = __VERIFIER_nondet_uchar() [L281] input_243 = __VERIFIER_nondet_uchar() [L282] input_245 = __VERIFIER_nondet_uchar() [L283] input_250 = __VERIFIER_nondet_uchar() [L284] input_252 = __VERIFIER_nondet_uchar() [L285] input_254 = __VERIFIER_nondet_uchar() [L286] input_258 = __VERIFIER_nondet_uchar() [L287] input_259 = __VERIFIER_nondet_uchar() [L288] input_262 = __VERIFIER_nondet_uchar() [L289] input_264 = __VERIFIER_nondet_uchar() [L290] input_269 = __VERIFIER_nondet_uchar() [L291] input_271 = __VERIFIER_nondet_uchar() [L292] input_275 = __VERIFIER_nondet_uchar() [L293] input_276 = __VERIFIER_nondet_uchar() [L294] input_279 = __VERIFIER_nondet_uchar() [L295] input_284 = __VERIFIER_nondet_uchar() [L296] input_288 = __VERIFIER_nondet_uchar() [L297] input_289 = __VERIFIER_nondet_uchar() [L298] input_299 = __VERIFIER_nondet_uchar() [L299] input_306 = __VERIFIER_nondet_uchar() [L300] input_307 = __VERIFIER_nondet_uchar() [L301] input_308 = __VERIFIER_nondet_uchar() [L302] input_309 = __VERIFIER_nondet_uchar() [L303] input_310 = __VERIFIER_nondet_uchar() [L304] input_311 = __VERIFIER_nondet_uchar() [L305] input_314 = __VERIFIER_nondet_uchar() [L306] input_316 = __VERIFIER_nondet_uchar() [L307] input_318 = __VERIFIER_nondet_uchar() [L308] input_323 = __VERIFIER_nondet_uchar() [L309] input_325 = __VERIFIER_nondet_uchar() [L310] input_327 = __VERIFIER_nondet_uchar() [L311] input_331 = __VERIFIER_nondet_uchar() [L312] input_332 = __VERIFIER_nondet_uchar() [L313] input_335 = __VERIFIER_nondet_uchar() [L314] input_337 = __VERIFIER_nondet_uchar() [L315] input_342 = __VERIFIER_nondet_uchar() [L316] input_344 = __VERIFIER_nondet_uchar() [L317] input_348 = __VERIFIER_nondet_uchar() [L318] input_349 = __VERIFIER_nondet_uchar() [L319] input_352 = __VERIFIER_nondet_uchar() [L320] input_357 = __VERIFIER_nondet_uchar() [L321] input_361 = __VERIFIER_nondet_uchar() [L322] input_362 = __VERIFIER_nondet_uchar() [L323] input_372 = __VERIFIER_nondet_uchar() [L324] input_391 = __VERIFIER_nondet_uchar() [L325] input_392 = __VERIFIER_nondet_uchar() [L326] input_393 = __VERIFIER_nondet_uchar() [L329] SORT_7 var_12_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_12_arg_0=0, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L330] EXPR var_12_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L330] var_12_arg_0 = var_12_arg_0 & mask_SORT_7 [L331] SORT_11 var_12 = var_12_arg_0; [L332] SORT_11 var_14_arg_0 = var_12; [L333] SORT_11 var_14_arg_1 = var_13; [L334] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L335] SORT_7 var_15_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_14=1, var_154=2, var_15_arg_0=0, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L336] EXPR var_15_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_14=1, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L336] var_15_arg_0 = var_15_arg_0 & mask_SORT_7 [L337] SORT_11 var_15 = var_15_arg_0; [L338] SORT_11 var_17_arg_0 = var_15; [L339] SORT_11 var_17_arg_1 = var_16; [L340] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L341] SORT_1 var_18_arg_0 = var_14; [L342] SORT_1 var_18_arg_1 = var_17; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_18_arg_0=1, var_18_arg_1=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L343] EXPR var_18_arg_0 | var_18_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L343] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L344] SORT_7 var_19_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_18=1, var_19_arg_0=0, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L345] EXPR var_19_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_18=1, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L345] var_19_arg_0 = var_19_arg_0 & mask_SORT_7 [L346] SORT_11 var_19 = var_19_arg_0; [L347] SORT_11 var_21_arg_0 = var_19; [L348] SORT_11 var_21_arg_1 = var_20; [L349] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L350] SORT_1 var_22_arg_0 = var_18; [L351] SORT_1 var_22_arg_1 = var_21; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_22_arg_0=1, var_22_arg_1=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L352] EXPR var_22_arg_0 | var_22_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L352] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L353] SORT_7 var_23_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_22=1, var_23_arg_0=0, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L354] EXPR var_23_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_22=1, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L354] var_23_arg_0 = var_23_arg_0 & mask_SORT_7 [L355] SORT_11 var_23 = var_23_arg_0; [L356] SORT_11 var_25_arg_0 = var_23; [L357] SORT_11 var_25_arg_1 = var_24; [L358] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L359] SORT_1 var_26_arg_0 = var_22; [L360] SORT_1 var_26_arg_1 = var_25; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_26_arg_0=1, var_26_arg_1=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L361] EXPR var_26_arg_0 | var_26_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L361] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L362] SORT_7 var_27_arg_0 = state_9; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_26=1, var_27_arg_0=0, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L363] EXPR var_27_arg_0 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_26=1, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L363] var_27_arg_0 = var_27_arg_0 & mask_SORT_7 [L364] SORT_11 var_27 = var_27_arg_0; [L365] SORT_11 var_29_arg_0 = var_27; [L366] SORT_11 var_29_arg_1 = var_28; [L367] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L368] SORT_1 var_30_arg_0 = var_26; [L369] SORT_1 var_30_arg_1 = var_29; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_30_arg_0=1, var_30_arg_1=0, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L370] EXPR var_30_arg_0 | var_30_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L370] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L371] SORT_1 var_34_arg_0 = var_30; [L372] SORT_1 var_34 = ~var_34_arg_0; [L373] SORT_1 var_35_arg_0 = var_33; [L374] SORT_1 var_35_arg_1 = var_34; VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_35_arg_0=1, var_35_arg_1=-2, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L375] EXPR var_35_arg_0 & var_35_arg_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L375] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L376] EXPR var_35 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_37=7, mask_SORT_67=3, mask_SORT_7=15, state_39=0, state_41=0, state_43=0, state_45=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_9=0, var_104=1, var_123=2, var_138=4, var_13=0, var_154=2, var_16=8, var_20=4, var_24=2, var_28=1, var_33=1, var_38=0, var_394=8, var_397=4, var_400=2, var_401=1, var_68=0, var_71=1, var_81=7, var_8=0] [L376] var_35 = var_35 & mask_SORT_1 [L377] SORT_1 bad_36_arg_0 = var_35; [L378] CALL __VERIFIER_assert(!(bad_36_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 183 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3447 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3447 mSDsluCounter, 19525 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15875 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1210 IncrementalHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 3650 mSDtfsCounter, 1210 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=12, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 215 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 906 NumberOfCodeBlocks, 906 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 829 ConstructedInterpolants, 0 QuantifiedInterpolants, 2869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 [2024-10-14 06:21:43,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.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 a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 06:21:46,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 06:21:46,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-14 06:21:46,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 06:21:46,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 06:21:46,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 06:21:46,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 06:21:46,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 06:21:46,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 06:21:46,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 06:21:46,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 06:21:46,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 06:21:46,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 06:21:46,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 06:21:46,775 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 06:21:46,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 06:21:46,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 06:21:46,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 06:21:46,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 06:21:46,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 06:21:46,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 06:21:46,783 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 06:21:46,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 06:21:46,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 06:21:46,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 06:21:46,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 06:21:46,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 06:21:46,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 06:21:46,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 06:21:46,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 06:21:46,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 06:21:46,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:21:46,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 06:21:46,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 06:21:46,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 06:21:46,790 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 06:21:46,790 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 06:21:46,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 06:21:46,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 06:21:46,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 06:21:46,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 06:21:46,792 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 06:21:46,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9990c01c9a1f9597f7bc9fb384dfed8f76d280524d4aa5e1bce8b343e8f7c08 [2024-10-14 06:21:47,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 06:21:47,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 06:21:47,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 06:21:47,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 06:21:47,205 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 06:21:47,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-10-14 06:21:49,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 06:21:49,384 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 06:21:49,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b03.c [2024-10-14 06:21:49,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/721f68cf8/831041bfff614a5d9b2bd165ea8a9de5/FLAG1a29e8ef8 [2024-10-14 06:21:49,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/721f68cf8/831041bfff614a5d9b2bd165ea8a9de5 [2024-10-14 06:21:49,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 06:21:49,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 06:21:49,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 06:21:49,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 06:21:49,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 06:21:49,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:21:49" (1/1) ... [2024-10-14 06:21:49,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72dbfb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:49, skipping insertion in model container [2024-10-14 06:21:49,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:21:49" (1/1) ... [2024-10-14 06:21:49,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 06:21:49,944 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.h_b03.c[1245,1258] [2024-10-14 06:21:50,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:21:50,320 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 06:21:50,344 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.h_b03.c[1245,1258] [2024-10-14 06:21:50,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 06:21:50,434 INFO L204 MainTranslator]: Completed translation [2024-10-14 06:21:50,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50 WrapperNode [2024-10-14 06:21:50,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 06:21:50,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 06:21:50,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 06:21:50,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 06:21:50,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,562 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2024-10-14 06:21:50,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 06:21:50,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 06:21:50,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 06:21:50,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 06:21:50,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,659 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-10-14 06:21:50,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 06:21:50,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 06:21:50,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 06:21:50,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 06:21:50,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (1/1) ... [2024-10-14 06:21:50,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 06:21:50,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 06:21:50,763 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) [2024-10-14 06:21:50,765 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 [2024-10-14 06:21:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 06:21:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 06:21:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 06:21:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 06:21:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 06:21:51,075 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 06:21:51,077 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 06:21:51,980 INFO L? ?]: Removed 177 outVars from TransFormulas that were not future-live. [2024-10-14 06:21:51,982 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 06:21:52,053 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 06:21:52,053 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 06:21:52,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:21:52 BoogieIcfgContainer [2024-10-14 06:21:52,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 06:21:52,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 06:21:52,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 06:21:52,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 06:21:52,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:21:49" (1/3) ... [2024-10-14 06:21:52,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73213ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:21:52, skipping insertion in model container [2024-10-14 06:21:52,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:21:50" (2/3) ... [2024-10-14 06:21:52,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73213ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:21:52, skipping insertion in model container [2024-10-14 06:21:52,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:21:52" (3/3) ... [2024-10-14 06:21:52,063 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b03.c [2024-10-14 06:21:52,081 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 06:21:52,082 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 06:21:52,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 06:21:52,154 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;@965bace, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 06:21:52,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 06:21:52,159 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) [2024-10-14 06:21:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 06:21:52,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:52,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 06:21:52,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:52,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:52,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-14 06:21:52,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 06:21:52,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037363995] [2024-10-14 06:21:52,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:52,195 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 [2024-10-14 06:21:52,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 06:21:52,199 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) [2024-10-14 06:21:52,200 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 [2024-10-14 06:21:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:52,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 06:21:52,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 06:21:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:52,903 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 06:21:52,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 06:21:52,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037363995] [2024-10-14 06:21:52,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037363995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 06:21:52,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 06:21:52,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 06:21:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647133713] [2024-10-14 06:21:52,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 06:21:52,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 06:21:52,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 06:21:52,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 06:21:52,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 06:21:52,945 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) [2024-10-14 06:21:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:53,047 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-14 06:21:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 06:21:53,053 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 [2024-10-14 06:21:53,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:53,060 INFO L225 Difference]: With dead ends: 15 [2024-10-14 06:21:53,060 INFO L226 Difference]: Without dead ends: 9 [2024-10-14 06:21:53,063 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 [2024-10-14 06:21:53,070 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 [2024-10-14 06:21:53,071 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] [2024-10-14 06:21:53,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-14 06:21:53,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-14 06:21:53,099 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) [2024-10-14 06:21:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-14 06:21:53,101 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-14 06:21:53,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:53,102 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-14 06:21:53,102 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) [2024-10-14 06:21:53,102 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-14 06:21:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 06:21:53,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:53,103 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-14 06:21:53,112 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 [2024-10-14 06:21:53,304 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 [2024-10-14 06:21:53,304 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:53,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:53,305 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-14 06:21:53,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 06:21:53,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055094390] [2024-10-14 06:21:53,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 06:21:53,307 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 [2024-10-14 06:21:53,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 06:21:53,317 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) [2024-10-14 06:21:53,318 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 [2024-10-14 06:21:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 06:21:53,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-14 06:21:53,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 06:21:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:54,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 06:21:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:54,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 06:21:54,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055094390] [2024-10-14 06:21:54,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055094390] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 06:21:54,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 06:21:54,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-14 06:21:54,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033363733] [2024-10-14 06:21:54,677 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 06:21:54,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 06:21:54,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 06:21:54,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 06:21:54,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-14 06:21:54,679 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-14 06:21:54,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:21:54,809 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-10-14 06:21:54,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 06:21:54,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 7 [2024-10-14 06:21:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:21:54,811 INFO L225 Difference]: With dead ends: 14 [2024-10-14 06:21:54,811 INFO L226 Difference]: Without dead ends: 12 [2024-10-14 06:21:54,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-14 06:21:54,812 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:21:54,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:21:54,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-14 06:21:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-10-14 06:21:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:21:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-10-14 06:21:54,816 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2024-10-14 06:21:54,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:21:54,816 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-10-14 06:21:54,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-14 06:21:54,817 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-10-14 06:21:54,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 06:21:54,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:21:54,817 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2024-10-14 06:21:54,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 06:21:55,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 06:21:55,019 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:21:55,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:21:55,020 INFO L85 PathProgramCache]: Analyzing trace with hash 148265266, now seen corresponding path program 2 times [2024-10-14 06:21:55,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 06:21:55,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783699064] [2024-10-14 06:21:55,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 06:21:55,021 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 [2024-10-14 06:21:55,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 06:21:55,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 06:21:55,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-14 06:21:55,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 06:21:55,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 06:21:55,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-14 06:21:55,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 06:21:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:21:59,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 06:22:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:22:32,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 06:22:32,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783699064] [2024-10-14 06:22:32,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783699064] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 06:22:32,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 06:22:32,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-14 06:22:32,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177124305] [2024-10-14 06:22:32,004 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 06:22:32,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 06:22:32,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 06:22:32,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 06:22:32,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-14 06:22:32,006 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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) [2024-10-14 06:22:32,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 06:22:32,265 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-10-14 06:22:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 06:22:32,265 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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 10 [2024-10-14 06:22:32,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 06:22:32,266 INFO L225 Difference]: With dead ends: 17 [2024-10-14 06:22:32,266 INFO L226 Difference]: Without dead ends: 15 [2024-10-14 06:22:32,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-10-14 06:22:32,267 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 06:22:32,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 06:22:32,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-10-14 06:22:32,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-10-14 06:22:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 06:22:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-10-14 06:22:32,270 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2024-10-14 06:22:32,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 06:22:32,270 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-10-14 06:22:32,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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) [2024-10-14 06:22:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-10-14 06:22:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 06:22:32,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 06:22:32,271 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2024-10-14 06:22:32,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-14 06:22:32,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 06:22:32,476 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 06:22:32,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 06:22:32,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1748931734, now seen corresponding path program 3 times [2024-10-14 06:22:32,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 06:22:32,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144505855] [2024-10-14 06:22:32,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 06:22:32,479 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 [2024-10-14 06:22:32,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 06:22:32,481 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 06:22:32,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-14 06:22:33,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-14 06:22:33,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 06:22:33,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-14 06:22:33,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 06:22:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 06:22:43,801 INFO L311 TraceCheckSpWp]: Computing backward predicates...