/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.cal63.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:13:20,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:13:20,678 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 19:13:20,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:13:20,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:13:20,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:13:20,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:13:20,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:13:20,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:13:20,697 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:13:20,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:13:20,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:13:20,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:13:20,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:13:20,699 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:13:20,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:13:20,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:13:20,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:13:20,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:13:20,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:13:20,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:13:20,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:13:20,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:13:20,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:13:20,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:13:20,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:13:20,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:13:20,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:13:20,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:13:20,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:13:20,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:13:20,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:13:20,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:13:20,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:13:20,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:13:20,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:13:20,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:13:20,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:13:20,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:13:20,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:13:20,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:13:20,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:13:20,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:13:20,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:13:20,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:13:20,936 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:13:20,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal63.c [2023-12-16 19:13:21,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:13:22,312 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:13:22,313 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal63.c [2023-12-16 19:13:22,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ab695d9a/5d4ec7a10eda40e08ba1a35a7f3075c2/FLAG23b41d488 [2023-12-16 19:13:22,372 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ab695d9a/5d4ec7a10eda40e08ba1a35a7f3075c2 [2023-12-16 19:13:22,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:13:22,376 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:13:22,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:13:22,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:13:22,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:13:22,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:13:22" (1/1) ... [2023-12-16 19:13:22,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3200e9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:22, skipping insertion in model container [2023-12-16 19:13:22,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:13:22" (1/1) ... [2023-12-16 19:13:22,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:13:22,714 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.cal63.c[1245,1258] [2023-12-16 19:13:23,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:13:23,594 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:13:23,602 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.cal63.c[1245,1258] [2023-12-16 19:13:24,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:13:24,204 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:13:24,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24 WrapperNode [2023-12-16 19:13:24,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:13:24,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:13:24,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:13:24,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:13:24,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:24,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:27,379 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43198 [2023-12-16 19:13:27,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:13:27,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:13:27,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:13:27,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:13:27,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:27,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:28,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:28,567 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]. [2023-12-16 19:13:28,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:28,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:29,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:29,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:29,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:29,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:30,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:13:30,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:13:30,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:13:30,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:13:30,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (1/1) ... [2023-12-16 19:13:30,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:13:30,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:13:30,280 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 19:13:30,304 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 19:13:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:13:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:13:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 19:13:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:13:30,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:13:31,726 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:13:31,728 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:13:48,477 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:13:49,025 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:13:49,025 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:13:49,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:13:49 BoogieIcfgContainer [2023-12-16 19:13:49,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:13:49,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:13:49,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:13:49,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:13:49,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:13:22" (1/3) ... [2023-12-16 19:13:49,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cb64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:13:49, skipping insertion in model container [2023-12-16 19:13:49,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:13:24" (2/3) ... [2023-12-16 19:13:49,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cb64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:13:49, skipping insertion in model container [2023-12-16 19:13:49,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:13:49" (3/3) ... [2023-12-16 19:13:49,034 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal63.c [2023-12-16 19:13:49,047 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:13:49,047 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:13:49,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:13:49,164 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;@5723132d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:13:49,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:13:49,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 9599 states, 9597 states have (on average 1.6670834635823695) internal successors, (15999), 9598 states have internal predecessors, (15999), 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 19:13:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-12-16 19:13:49,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:49,219 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] [2023-12-16 19:13:49,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:49,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:49,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1727232507, now seen corresponding path program 1 times [2023-12-16 19:13:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:49,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756886562] [2023-12-16 19:13:49,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:49,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:51,007 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 19:13:51,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:51,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756886562] [2023-12-16 19:13:51,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756886562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:51,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:51,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:13:51,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775527816] [2023-12-16 19:13:51,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:51,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:13:51,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:51,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:13:51,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:13:51,063 INFO L87 Difference]: Start difference. First operand has 9599 states, 9597 states have (on average 1.6670834635823695) internal successors, (15999), 9598 states have internal predecessors, (15999), 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 85.0) internal successors, (340), 4 states have internal predecessors, (340), 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 19:13:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:51,392 INFO L93 Difference]: Finished difference Result 19080 states and 31804 transitions. [2023-12-16 19:13:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:13:51,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 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 340 [2023-12-16 19:13:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:51,431 INFO L225 Difference]: With dead ends: 19080 [2023-12-16 19:13:51,431 INFO L226 Difference]: Without dead ends: 9599 [2023-12-16 19:13:51,446 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 19:13:51,449 INFO L413 NwaCegarLoop]: 15992 mSDtfsCounter, 1 mSDsluCounter, 31979 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 47971 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:51,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 47971 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:13:51,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9599 states. [2023-12-16 19:13:51,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9599 to 9599. [2023-12-16 19:13:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9599 states, 9598 states have (on average 1.6667013961241925) internal successors, (15997), 9598 states have internal predecessors, (15997), 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 19:13:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9599 states to 9599 states and 15997 transitions. [2023-12-16 19:13:51,654 INFO L78 Accepts]: Start accepts. Automaton has 9599 states and 15997 transitions. Word has length 340 [2023-12-16 19:13:51,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:51,655 INFO L495 AbstractCegarLoop]: Abstraction has 9599 states and 15997 transitions. [2023-12-16 19:13:51,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 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 19:13:51,655 INFO L276 IsEmpty]: Start isEmpty. Operand 9599 states and 15997 transitions. [2023-12-16 19:13:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2023-12-16 19:13:51,658 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:51,658 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] [2023-12-16 19:13:51,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:13:51,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:51,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:51,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2002873201, now seen corresponding path program 1 times [2023-12-16 19:13:51,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:51,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682194034] [2023-12-16 19:13:51,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:51,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:52,422 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 19:13:52,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:52,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682194034] [2023-12-16 19:13:52,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682194034] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:52,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:52,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:13:52,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807673489] [2023-12-16 19:13:52,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:52,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:13:52,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:52,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:13:52,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:13:52,431 INFO L87 Difference]: Start difference. First operand 9599 states and 15997 transitions. Second operand has 4 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 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 19:13:52,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:52,722 INFO L93 Difference]: Finished difference Result 19083 states and 31802 transitions. [2023-12-16 19:13:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:13:52,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 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 341 [2023-12-16 19:13:52,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:52,753 INFO L225 Difference]: With dead ends: 19083 [2023-12-16 19:13:52,753 INFO L226 Difference]: Without dead ends: 9602 [2023-12-16 19:13:52,766 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 19:13:52,767 INFO L413 NwaCegarLoop]: 15992 mSDtfsCounter, 1 mSDsluCounter, 31977 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 47969 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 19:13:52,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 47969 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:13:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9602 states. [2023-12-16 19:13:53,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9602 to 9601. [2023-12-16 19:13:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9601 states, 9600 states have (on average 1.6665625) internal successors, (15999), 9600 states have internal predecessors, (15999), 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 19:13:53,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9601 states to 9601 states and 15999 transitions. [2023-12-16 19:13:53,150 INFO L78 Accepts]: Start accepts. Automaton has 9601 states and 15999 transitions. Word has length 341 [2023-12-16 19:13:53,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:53,150 INFO L495 AbstractCegarLoop]: Abstraction has 9601 states and 15999 transitions. [2023-12-16 19:13:53,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 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 19:13:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 9601 states and 15999 transitions. [2023-12-16 19:13:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2023-12-16 19:13:53,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:53,153 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] [2023-12-16 19:13:53,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:13:53,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:53,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:53,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2125009759, now seen corresponding path program 1 times [2023-12-16 19:13:53,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:53,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496666973] [2023-12-16 19:13:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:55,374 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 19:13:55,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:55,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496666973] [2023-12-16 19:13:55,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496666973] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:55,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:55,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:13:55,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735773673] [2023-12-16 19:13:55,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:55,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:13:55,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:55,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:13:55,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:13:55,379 INFO L87 Difference]: Start difference. First operand 9601 states and 15999 transitions. Second operand has 6 states, 6 states have (on average 57.0) internal successors, (342), 5 states have internal predecessors, (342), 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 19:13:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:13:56,594 INFO L93 Difference]: Finished difference Result 28946 states and 48236 transitions. [2023-12-16 19:13:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 19:13:56,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 5 states have internal predecessors, (342), 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 342 [2023-12-16 19:13:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:13:56,636 INFO L225 Difference]: With dead ends: 28946 [2023-12-16 19:13:56,636 INFO L226 Difference]: Without dead ends: 19463 [2023-12-16 19:13:56,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-12-16 19:13:56,647 INFO L413 NwaCegarLoop]: 16559 mSDtfsCounter, 79486 mSDsluCounter, 47791 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79486 SdHoareTripleChecker+Valid, 64350 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 19:13:56,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79486 Valid, 64350 Invalid, 260 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 19:13:56,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19463 states. [2023-12-16 19:13:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19463 to 9981. [2023-12-16 19:13:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9981 states, 9980 states have (on average 1.6664328657314629) internal successors, (16631), 9980 states have internal predecessors, (16631), 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 19:13:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 9981 states and 16631 transitions. [2023-12-16 19:13:56,831 INFO L78 Accepts]: Start accepts. Automaton has 9981 states and 16631 transitions. Word has length 342 [2023-12-16 19:13:56,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:13:56,832 INFO L495 AbstractCegarLoop]: Abstraction has 9981 states and 16631 transitions. [2023-12-16 19:13:56,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 5 states have internal predecessors, (342), 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 19:13:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 9981 states and 16631 transitions. [2023-12-16 19:13:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-12-16 19:13:56,840 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:13:56,840 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] [2023-12-16 19:13:56,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:13:56,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:13:56,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:13:56,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1637292429, now seen corresponding path program 1 times [2023-12-16 19:13:56,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:13:56,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553639002] [2023-12-16 19:13:56,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:13:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:13:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:13:59,340 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 19:13:59,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:13:59,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553639002] [2023-12-16 19:13:59,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553639002] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:13:59,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:13:59,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 19:13:59,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832623150] [2023-12-16 19:13:59,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:13:59,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 19:13:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:13:59,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 19:13:59,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-16 19:13:59,342 INFO L87 Difference]: Start difference. First operand 9981 states and 16631 transitions. Second operand has 9 states, 9 states have (on average 38.111111111111114) internal successors, (343), 8 states have internal predecessors, (343), 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 19:14:01,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:14:01,661 INFO L93 Difference]: Finished difference Result 38421 states and 64028 transitions. [2023-12-16 19:14:01,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 19:14:01,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 38.111111111111114) internal successors, (343), 8 states have internal predecessors, (343), 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 343 [2023-12-16 19:14:01,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:14:01,717 INFO L225 Difference]: With dead ends: 38421 [2023-12-16 19:14:01,718 INFO L226 Difference]: Without dead ends: 28938 [2023-12-16 19:14:01,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2023-12-16 19:14:01,743 INFO L413 NwaCegarLoop]: 32267 mSDtfsCounter, 111077 mSDsluCounter, 112836 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111077 SdHoareTripleChecker+Valid, 145103 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 19:14:01,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111077 Valid, 145103 Invalid, 706 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 19:14:01,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28938 states. [2023-12-16 19:14:01,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28938 to 9985. [2023-12-16 19:14:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9985 states, 9984 states have (on average 1.666366185897436) internal successors, (16637), 9984 states have internal predecessors, (16637), 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 19:14:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9985 states to 9985 states and 16637 transitions. [2023-12-16 19:14:01,993 INFO L78 Accepts]: Start accepts. Automaton has 9985 states and 16637 transitions. Word has length 343 [2023-12-16 19:14:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:14:01,993 INFO L495 AbstractCegarLoop]: Abstraction has 9985 states and 16637 transitions. [2023-12-16 19:14:01,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 38.111111111111114) internal successors, (343), 8 states have internal predecessors, (343), 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 19:14:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 9985 states and 16637 transitions. [2023-12-16 19:14:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2023-12-16 19:14:01,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:14:01,997 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] [2023-12-16 19:14:01,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:14:01,997 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:14:01,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:14:01,998 INFO L85 PathProgramCache]: Analyzing trace with hash 137714933, now seen corresponding path program 1 times [2023-12-16 19:14:01,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:14:01,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424097159] [2023-12-16 19:14:01,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:14:01,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:14:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:14:04,266 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 19:14:04,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:14:04,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424097159] [2023-12-16 19:14:04,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424097159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:14:04,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:14:04,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 19:14:04,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64202523] [2023-12-16 19:14:04,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:14:04,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 19:14:04,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:14:04,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 19:14:04,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 19:14:04,270 INFO L87 Difference]: Start difference. First operand 9985 states and 16637 transitions. Second operand has 8 states, 8 states have (on average 42.875) internal successors, (343), 7 states have internal predecessors, (343), 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) Received shutdown request... [2023-12-16 19:14:09,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 19:14:09,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-12-16 19:14:09,913 INFO L413 NwaCegarLoop]: 10229 mSDtfsCounter, 45397 mSDsluCounter, 51141 mSDsCounter, 0 mSdLazyCounter, 8976 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45397 SdHoareTripleChecker+Valid, 61370 SdHoareTripleChecker+Invalid, 8979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:14:09,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45397 Valid, 61370 Invalid, 8979 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 8976 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-16 19:14:09,914 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:14:09,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 19:14:09,915 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (9985states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (20603 states constructed, input type IntersectNwa). [2023-12-16 19:14:09,919 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 19:14:09,921 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:14:09,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:14:09 BoogieIcfgContainer [2023-12-16 19:14:09,922 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:14:09,923 INFO L158 Benchmark]: Toolchain (without parser) took 47546.57ms. Allocated memory was 312.5MB in the beginning and 5.1GB in the end (delta: 4.7GB). Free memory was 242.4MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2023-12-16 19:14:09,923 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 238.0MB. Free memory was 189.6MB in the beginning and 189.4MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:14:09,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1828.13ms. Allocated memory was 312.5MB in the beginning and 572.5MB in the end (delta: 260.0MB). Free memory was 242.1MB in the beginning and 345.3MB in the end (delta: -103.2MB). Peak memory consumption was 232.1MB. Max. memory is 8.0GB. [2023-12-16 19:14:09,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 3172.54ms. Allocated memory was 572.5MB in the beginning and 3.1GB in the end (delta: 2.5GB). Free memory was 345.3MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 604.5MB. Max. memory is 8.0GB. [2023-12-16 19:14:09,923 INFO L158 Benchmark]: Boogie Preprocessor took 2872.79ms. Allocated memory was 3.1GB in the beginning and 5.1GB in the end (delta: 2.0GB). Free memory was 2.4GB in the beginning and 4.1GB in the end (delta: -1.7GB). Peak memory consumption was 282.6MB. Max. memory is 8.0GB. [2023-12-16 19:14:09,924 INFO L158 Benchmark]: RCFGBuilder took 18772.95ms. Allocated memory is still 5.1GB. Free memory was 4.1GB in the beginning and 3.6GB in the end (delta: 491.3MB). Peak memory consumption was 823.7MB. Max. memory is 8.0GB. [2023-12-16 19:14:09,924 INFO L158 Benchmark]: TraceAbstraction took 20893.19ms. Allocated memory is still 5.1GB. Free memory was 3.6GB in the beginning and 1.4GB in the end (delta: 2.2GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-16 19:14:09,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 238.0MB. Free memory was 189.6MB in the beginning and 189.4MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1828.13ms. Allocated memory was 312.5MB in the beginning and 572.5MB in the end (delta: 260.0MB). Free memory was 242.1MB in the beginning and 345.3MB in the end (delta: -103.2MB). Peak memory consumption was 232.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3172.54ms. Allocated memory was 572.5MB in the beginning and 3.1GB in the end (delta: 2.5GB). Free memory was 345.3MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 604.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 2872.79ms. Allocated memory was 3.1GB in the beginning and 5.1GB in the end (delta: 2.0GB). Free memory was 2.4GB in the beginning and 4.1GB in the end (delta: -1.7GB). Peak memory consumption was 282.6MB. Max. memory is 8.0GB. * RCFGBuilder took 18772.95ms. Allocated memory is still 5.1GB. Free memory was 4.1GB in the beginning and 3.6GB in the end (delta: 491.3MB). Peak memory consumption was 823.7MB. Max. memory is 8.0GB. * TraceAbstraction took 20893.19ms. Allocated memory is still 5.1GB. Free memory was 3.6GB in the beginning and 1.4GB in the end (delta: 2.2GB). Peak memory consumption was 2.2GB. 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 NwaCegarLoop was constructing difference of abstraction (9985states) and FLOYD_HOARE automaton (currently 9 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (20603 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9599 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235962 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235962 mSDsluCounter, 366763 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 275724 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9968 IncrementalHoareTripleChecker+Invalid, 9973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 91039 mSDtfsCounter, 9968 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9985occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 28436 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1709 NumberOfCodeBlocks, 1709 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1704 ConstructedInterpolants, 0 QuantifiedInterpolants, 9794 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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