/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:56:17,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:56:17,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 19:56:17,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:56:17,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:56:17,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:56:17,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:56:17,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:56:17,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:56:17,793 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:56:17,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:56:17,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:56:17,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:56:17,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:56:17,795 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:56:17,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:56:17,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:56:17,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:56:17,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:56:17,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:56:17,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:56:17,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:56:17,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:56:17,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:56:17,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:56:17,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:56:17,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:56:17,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:56:17,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:56:17,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:56:17,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:56:17,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:56:17,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:56:17,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:56:17,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:56:17,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:56:17,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:56:17,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:56:17,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:56:17,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:56:17,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:56:17,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:56:18,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:56:18,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:56:18,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:56:18,009 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:56:18,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c [2023-12-16 19:56:19,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:56:19,405 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:56:19,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c [2023-12-16 19:56:19,441 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc33fd23/3d352487e3944dd7896f57751eb492c5/FLAG3d2fffc2b [2023-12-16 19:56:19,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cc33fd23/3d352487e3944dd7896f57751eb492c5 [2023-12-16 19:56:19,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:56:19,460 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:56:19,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:56:19,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:56:19,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:56:19,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:56:19" (1/1) ... [2023-12-16 19:56:19,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731bb01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:19, skipping insertion in model container [2023-12-16 19:56:19,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:56:19" (1/1) ... [2023-12-16 19:56:19,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:56:19,861 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c[1174,1187] [2023-12-16 19:56:20,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:56:20,796 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:56:20,805 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c[1174,1187] [2023-12-16 19:56:21,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:56:21,377 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:56:21,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21 WrapperNode [2023-12-16 19:56:21,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:56:21,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:56:21,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:56:21,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:56:21,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:21,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:25,401 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50391 [2023-12-16 19:56:25,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:56:25,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:56:25,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:56:25,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:56:25,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:25,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:26,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:27,209 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 19:56:27,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:27,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:28,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:28,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:28,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:28,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:30,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:56:30,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:56:30,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:56:30,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:56:30,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (1/1) ... [2023-12-16 19:56:30,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:56:30,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:56:30,110 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) [2023-12-16 19:56:30,127 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 [2023-12-16 19:56:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:56:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:56:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:56:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:56:31,843 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:56:31,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:57:06,822 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:57:07,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:57:07,392 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:57:07,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:57:07 BoogieIcfgContainer [2023-12-16 19:57:07,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:57:07,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:57:07,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:57:07,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:57:07,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:56:19" (1/3) ... [2023-12-16 19:57:07,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f04bd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:57:07, skipping insertion in model container [2023-12-16 19:57:07,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:56:21" (2/3) ... [2023-12-16 19:57:07,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f04bd7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:57:07, skipping insertion in model container [2023-12-16 19:57:07,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:57:07" (3/3) ... [2023-12-16 19:57:07,403 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.synapse.7.prop1-func-interl.c [2023-12-16 19:57:07,415 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:57:07,415 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:57:07,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:57:07,556 INFO L357 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, mHoare=true, 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;@10e466b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:57:07,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:57:07,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 11166 states, 11164 states have (on average 1.6676818344679327) internal successors, (18618), 11165 states have internal predecessors, (18618), 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) [2023-12-16 19:57:07,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2023-12-16 19:57:07,821 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:57:07,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:57:07,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:57:07,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:57:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash -477972865, now seen corresponding path program 1 times [2023-12-16 19:57:07,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:57:07,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611297442] [2023-12-16 19:57:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:57:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:57:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:57:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:57:09,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:57:09,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611297442] [2023-12-16 19:57:09,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611297442] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:57:09,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:57:09,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:57:09,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424129406] [2023-12-16 19:57:09,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:57:09,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:57:09,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:57:09,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:57:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:57:09,987 INFO L87 Difference]: Start difference. First operand has 11166 states, 11164 states have (on average 1.6676818344679327) internal successors, (18618), 11165 states have internal predecessors, (18618), 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 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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) [2023-12-16 19:57:10,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:57:10,793 INFO L93 Difference]: Finished difference Result 22073 states and 36807 transitions. [2023-12-16 19:57:10,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:57:10,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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 604 [2023-12-16 19:57:10,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:57:10,866 INFO L225 Difference]: With dead ends: 22073 [2023-12-16 19:57:10,866 INFO L226 Difference]: Without dead ends: 11166 [2023-12-16 19:57:10,885 INFO L412 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 [2023-12-16 19:57:10,888 INFO L413 NwaCegarLoop]: 18611 mSDtfsCounter, 1 mSDsluCounter, 37217 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 55828 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 19:57:10,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 55828 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 19:57:10,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11166 states. [2023-12-16 19:57:11,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11166 to 11166. [2023-12-16 19:57:11,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11166 states, 11165 states have (on average 1.6673533363188535) internal successors, (18616), 11165 states have internal predecessors, (18616), 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) [2023-12-16 19:57:11,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11166 states to 11166 states and 18616 transitions. [2023-12-16 19:57:11,163 INFO L78 Accepts]: Start accepts. Automaton has 11166 states and 18616 transitions. Word has length 604 [2023-12-16 19:57:11,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:57:11,166 INFO L495 AbstractCegarLoop]: Abstraction has 11166 states and 18616 transitions. [2023-12-16 19:57:11,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.0) internal successors, (604), 4 states have internal predecessors, (604), 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) [2023-12-16 19:57:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 11166 states and 18616 transitions. [2023-12-16 19:57:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2023-12-16 19:57:11,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:57:11,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:57:11,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:57:11,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:57:11,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:57:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1930528379, now seen corresponding path program 1 times [2023-12-16 19:57:11,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:57:11,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088288285] [2023-12-16 19:57:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:57:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:57:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:57:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:57:12,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:57:12,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088288285] [2023-12-16 19:57:12,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088288285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:57:12,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:57:12,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:57:12,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895632900] [2023-12-16 19:57:12,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:57:12,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:57:12,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:57:12,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:57:12,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:57:12,089 INFO L87 Difference]: Start difference. First operand 11166 states and 18616 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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) [2023-12-16 19:57:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:57:12,371 INFO L93 Difference]: Finished difference Result 22076 states and 36805 transitions. [2023-12-16 19:57:12,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:57:12,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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 605 [2023-12-16 19:57:12,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:57:12,404 INFO L225 Difference]: With dead ends: 22076 [2023-12-16 19:57:12,404 INFO L226 Difference]: Without dead ends: 11169 [2023-12-16 19:57:12,419 INFO L412 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 [2023-12-16 19:57:12,420 INFO L413 NwaCegarLoop]: 18611 mSDtfsCounter, 1 mSDsluCounter, 37215 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 55826 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:57:12,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 55826 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:57:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11169 states. [2023-12-16 19:57:12,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11169 to 11168. [2023-12-16 19:57:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11168 states, 11167 states have (on average 1.6672338139160026) internal successors, (18618), 11167 states have internal predecessors, (18618), 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) [2023-12-16 19:57:12,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11168 states to 11168 states and 18618 transitions. [2023-12-16 19:57:12,602 INFO L78 Accepts]: Start accepts. Automaton has 11168 states and 18618 transitions. Word has length 605 [2023-12-16 19:57:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:57:12,603 INFO L495 AbstractCegarLoop]: Abstraction has 11168 states and 18618 transitions. [2023-12-16 19:57:12,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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) [2023-12-16 19:57:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 11168 states and 18618 transitions. [2023-12-16 19:57:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2023-12-16 19:57:12,612 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:57:12,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:57:12,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:57:12,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:57:12,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:57:12,619 INFO L85 PathProgramCache]: Analyzing trace with hash 72733529, now seen corresponding path program 1 times [2023-12-16 19:57:12,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:57:12,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488115707] [2023-12-16 19:57:12,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:57:12,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:57:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:57:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:57:13,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:57:13,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488115707] [2023-12-16 19:57:13,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488115707] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:57:13,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:57:13,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:57:13,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522872640] [2023-12-16 19:57:13,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:57:13,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:57:13,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:57:13,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:57:13,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:57:13,471 INFO L87 Difference]: Start difference. First operand 11168 states and 18618 transitions. Second operand has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 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) [2023-12-16 19:57:13,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:57:13,920 INFO L93 Difference]: Finished difference Result 32976 states and 54977 transitions. [2023-12-16 19:57:13,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:57:13,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 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 606 [2023-12-16 19:57:13,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:57:13,965 INFO L225 Difference]: With dead ends: 32976 [2023-12-16 19:57:13,965 INFO L226 Difference]: Without dead ends: 22067 [2023-12-16 19:57:13,979 INFO L412 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 [2023-12-16 19:57:13,982 INFO L413 NwaCegarLoop]: 19667 mSDtfsCounter, 18169 mSDsluCounter, 38267 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18169 SdHoareTripleChecker+Valid, 57934 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:57:13,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18169 Valid, 57934 Invalid, 20 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:57:14,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22067 states. [2023-12-16 19:57:14,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22067 to 11170. [2023-12-16 19:57:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11170 states, 11169 states have (on average 1.6671143343182022) internal successors, (18620), 11169 states have internal predecessors, (18620), 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) [2023-12-16 19:57:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11170 states to 11170 states and 18620 transitions. [2023-12-16 19:57:14,207 INFO L78 Accepts]: Start accepts. Automaton has 11170 states and 18620 transitions. Word has length 606 [2023-12-16 19:57:14,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:57:14,207 INFO L495 AbstractCegarLoop]: Abstraction has 11170 states and 18620 transitions. [2023-12-16 19:57:14,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 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) [2023-12-16 19:57:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 11170 states and 18620 transitions. [2023-12-16 19:57:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2023-12-16 19:57:14,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:57:14,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:57:14,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:57:14,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:57:14,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:57:14,224 INFO L85 PathProgramCache]: Analyzing trace with hash -833344535, now seen corresponding path program 1 times [2023-12-16 19:57:14,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:57:14,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569634989] [2023-12-16 19:57:14,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:57:14,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:57:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:57:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:57:15,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:57:15,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569634989] [2023-12-16 19:57:15,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569634989] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:57:15,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:57:15,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:57:15,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728234616] [2023-12-16 19:57:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:57:15,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:57:15,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:57:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:57:15,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:57:15,243 INFO L87 Difference]: Start difference. First operand 11170 states and 18620 transitions. Second operand has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 5 states have internal predecessors, (607), 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) [2023-12-16 19:57:15,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:57:15,950 INFO L93 Difference]: Finished difference Result 33618 states and 56043 transitions. [2023-12-16 19:57:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 19:57:15,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 5 states have internal predecessors, (607), 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 607 [2023-12-16 19:57:15,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:57:15,987 INFO L225 Difference]: With dead ends: 33618 [2023-12-16 19:57:15,987 INFO L226 Difference]: Without dead ends: 22707 [2023-12-16 19:57:16,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-16 19:57:16,013 INFO L413 NwaCegarLoop]: 19662 mSDtfsCounter, 73597 mSDsluCounter, 56867 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73597 SdHoareTripleChecker+Valid, 76529 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:57:16,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73597 Valid, 76529 Invalid, 42 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:57:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22707 states. [2023-12-16 19:57:16,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22707 to 11806. [2023-12-16 19:57:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11806 states, 11805 states have (on average 1.6670902160101653) internal successors, (19680), 11805 states have internal predecessors, (19680), 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) [2023-12-16 19:57:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11806 states to 11806 states and 19680 transitions. [2023-12-16 19:57:16,232 INFO L78 Accepts]: Start accepts. Automaton has 11806 states and 19680 transitions. Word has length 607 [2023-12-16 19:57:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:57:16,233 INFO L495 AbstractCegarLoop]: Abstraction has 11806 states and 19680 transitions. [2023-12-16 19:57:16,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 5 states have internal predecessors, (607), 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) [2023-12-16 19:57:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 11806 states and 19680 transitions. Received shutdown request... [2023-12-16 19:57:16,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:57:16,253 WARN L619 AbstractCegarLoop]: Verification canceled: while IsEmpty was searching accepting run (input had 11806 states). [2023-12-16 19:57:16,254 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:57:16,256 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 19:57:16,258 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:57:16,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:57:16 BoogieIcfgContainer [2023-12-16 19:57:16,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:57:16,260 INFO L158 Benchmark]: Toolchain (without parser) took 56800.33ms. Allocated memory was 188.7MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 115.7MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 19:57:16,260 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:57:16,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1915.74ms. Allocated memory was 188.7MB in the beginning and 735.1MB in the end (delta: 546.3MB). Free memory was 115.7MB in the beginning and 477.4MB in the end (delta: -361.8MB). Peak memory consumption was 358.9MB. Max. memory is 8.0GB. [2023-12-16 19:57:16,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 4023.73ms. Allocated memory was 735.1MB in the beginning and 4.0GB in the end (delta: 3.3GB). Free memory was 477.4MB in the beginning and 3.2GB in the end (delta: -2.7GB). Peak memory consumption was 708.3MB. Max. memory is 8.0GB. [2023-12-16 19:57:16,261 INFO L158 Benchmark]: Boogie Preprocessor took 4656.14ms. Allocated memory was 4.0GB in the beginning and 5.6GB in the end (delta: 1.6GB). Free memory was 3.2GB in the beginning and 4.5GB in the end (delta: -1.3GB). Peak memory consumption was 454.6MB. Max. memory is 8.0GB. [2023-12-16 19:57:16,261 INFO L158 Benchmark]: RCFGBuilder took 37334.87ms. Allocated memory was 5.6GB in the beginning and 6.4GB in the end (delta: 775.9MB). Free memory was 4.5GB in the beginning and 4.9GB in the end (delta: -412.3MB). Peak memory consumption was 587.6MB. Max. memory is 8.0GB. [2023-12-16 19:57:16,262 INFO L158 Benchmark]: TraceAbstraction took 8863.15ms. Allocated memory was 6.4GB in the beginning and 6.6GB in the end (delta: 181.4MB). Free memory was 4.9GB in the beginning and 4.7GB in the end (delta: 206.2MB). Peak memory consumption was 388.7MB. Max. memory is 8.0GB. [2023-12-16 19:57:16,263 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1915.74ms. Allocated memory was 188.7MB in the beginning and 735.1MB in the end (delta: 546.3MB). Free memory was 115.7MB in the beginning and 477.4MB in the end (delta: -361.8MB). Peak memory consumption was 358.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 4023.73ms. Allocated memory was 735.1MB in the beginning and 4.0GB in the end (delta: 3.3GB). Free memory was 477.4MB in the beginning and 3.2GB in the end (delta: -2.7GB). Peak memory consumption was 708.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4656.14ms. Allocated memory was 4.0GB in the beginning and 5.6GB in the end (delta: 1.6GB). Free memory was 3.2GB in the beginning and 4.5GB in the end (delta: -1.3GB). Peak memory consumption was 454.6MB. Max. memory is 8.0GB. * RCFGBuilder took 37334.87ms. Allocated memory was 5.6GB in the beginning and 6.4GB in the end (delta: 775.9MB). Free memory was 4.5GB in the beginning and 4.9GB in the end (delta: -412.3MB). Peak memory consumption was 587.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8863.15ms. Allocated memory was 6.4GB in the beginning and 6.6GB in the end (delta: 181.4MB). Free memory was 4.9GB in the beginning and 4.7GB in the end (delta: 206.2MB). Peak memory consumption was 388.7MB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while IsEmpty was searching accepting run (input had 11806 states). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11166 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91768 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91768 mSDsluCounter, 246117 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 169566 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 76551 mSDtfsCounter, 87 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11806occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 21799 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2422 NumberOfCodeBlocks, 2422 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 2418 ConstructedInterpolants, 0 QuantifiedInterpolants, 3641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: Timeout Completed graceful shutdown