/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-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/combinations/Problem05_label45+token_ring.10.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 17:37:32,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 17:37:32,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 17:37:32,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 17:37:32,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 17:37:33,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 17:37:33,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 17:37:33,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 17:37:33,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 17:37:33,025 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 17:37:33,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 17:37:33,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 17:37:33,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 17:37:33,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 17:37:33,026 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 17:37:33,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 17:37:33,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 17:37:33,027 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 17:37:33,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 17:37:33,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 17:37:33,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 17:37:33,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 17:37:33,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 17:37:33,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 17:37:33,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 17:37:33,028 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 17:37:33,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 17:37:33,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 17:37:33,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 17:37:33,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 17:37:33,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 17:37:33,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 17:37:33,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 17:37:33,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 17:37:33,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 17:37:33,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 17:37:33,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 17:37:33,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 17:37:33,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 17:37:33,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 17:37:33,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 17:37:33,247 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 17:37:33,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/Problem05_label45+token_ring.10.cil-2.c [2023-12-15 17:37:34,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 17:37:34,746 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 17:37:34,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label45+token_ring.10.cil-2.c [2023-12-15 17:37:34,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06d48b5a/e6da52ae697b4351b206d96b4249483a/FLAGf75422e40 [2023-12-15 17:37:34,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06d48b5a/e6da52ae697b4351b206d96b4249483a [2023-12-15 17:37:34,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 17:37:34,800 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 17:37:34,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 17:37:34,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 17:37:34,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 17:37:34,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:37:34" (1/1) ... [2023-12-15 17:37:34,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ddd7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:34, skipping insertion in model container [2023-12-15 17:37:34,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:37:34" (1/1) ... [2023-12-15 17:37:34,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 17:37:36,117 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label45+token_ring.10.cil-2.c[380323,380336] [2023-12-15 17:37:36,143 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label45+token_ring.10.cil-2.c[383339,383352] [2023-12-15 17:37:36,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 17:37:36,367 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 17:37:36,954 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label45+token_ring.10.cil-2.c[380323,380336] [2023-12-15 17:37:36,959 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label45+token_ring.10.cil-2.c[383339,383352] [2023-12-15 17:37:36,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 17:37:37,027 INFO L206 MainTranslator]: Completed translation [2023-12-15 17:37:37,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37 WrapperNode [2023-12-15 17:37:37,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 17:37:37,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 17:37:37,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 17:37:37,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 17:37:37,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,339 INFO L138 Inliner]: procedures = 64, calls = 71, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 13113 [2023-12-15 17:37:37,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 17:37:37,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 17:37:37,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 17:37:37,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 17:37:37,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,523 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]. [2023-12-15 17:37:37,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 17:37:37,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 17:37:37,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 17:37:37,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 17:37:37,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (1/1) ... [2023-12-15 17:37:37,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 17:37:37,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 17:37:37,843 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) [2023-12-15 17:37:37,847 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 [2023-12-15 17:37:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 17:37:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-12-15 17:37:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-12-15 17:37:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-12-15 17:37:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-12-15 17:37:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-12-15 17:37:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-12-15 17:37:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-12-15 17:37:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-12-15 17:37:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-12-15 17:37:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-12-15 17:37:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-12-15 17:37:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-12-15 17:37:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 17:37:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 17:37:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 17:37:37,990 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 17:37:37,992 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 17:37:43,521 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 17:37:43,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 17:37:43,617 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-15 17:37:43,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:37:43 BoogieIcfgContainer [2023-12-15 17:37:43,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 17:37:43,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 17:37:43,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 17:37:43,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 17:37:43,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 05:37:34" (1/3) ... [2023-12-15 17:37:43,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319996b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 05:37:43, skipping insertion in model container [2023-12-15 17:37:43,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:37:37" (2/3) ... [2023-12-15 17:37:43,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319996b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 05:37:43, skipping insertion in model container [2023-12-15 17:37:43,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:37:43" (3/3) ... [2023-12-15 17:37:43,624 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label45+token_ring.10.cil-2.c [2023-12-15 17:37:43,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 17:37:43,636 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-15 17:37:43,689 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 17:37:43,693 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;@12d53f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 17:37:43,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-15 17:37:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 2425 states, 2392 states have (on average 1.8775083612040133) internal successors, (4491), 2395 states have internal predecessors, (4491), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-15 17:37:43,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:37:43,717 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:37:43,717 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] [2023-12-15 17:37:43,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:37:43,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:37:43,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1914156030, now seen corresponding path program 1 times [2023-12-15 17:37:43,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:37:43,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882602629] [2023-12-15 17:37:43,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:37:43,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:37:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:37:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:37:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:37:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:37:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:37:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:37:44,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:37:44,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882602629] [2023-12-15 17:37:44,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882602629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:37:44,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:37:44,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 17:37:44,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440289564] [2023-12-15 17:37:44,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:37:44,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 17:37:44,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:37:44,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 17:37:44,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 17:37:44,124 INFO L87 Difference]: Start difference. First operand has 2425 states, 2392 states have (on average 1.8775083612040133) internal successors, (4491), 2395 states have internal predecessors, (4491), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:37:45,473 INFO L93 Difference]: Finished difference Result 4952 states and 9258 transitions. [2023-12-15 17:37:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 17:37:45,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:37:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:37:45,497 INFO L225 Difference]: With dead ends: 4952 [2023-12-15 17:37:45,497 INFO L226 Difference]: Without dead ends: 2531 [2023-12-15 17:37:45,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-15 17:37:45,508 INFO L413 NwaCegarLoop]: 4219 mSDtfsCounter, 837 mSDsluCounter, 12160 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 16379 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:37:45,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 16379 Invalid, 963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 17:37:45,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2023-12-15 17:37:45,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2421. [2023-12-15 17:37:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2421 states, 2389 states have (on average 1.8396818752616158) internal successors, (4395), 2391 states have internal predecessors, (4395), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-15 17:37:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 4443 transitions. [2023-12-15 17:37:45,600 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 4443 transitions. Word has length 141 [2023-12-15 17:37:45,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:37:45,600 INFO L495 AbstractCegarLoop]: Abstraction has 2421 states and 4443 transitions. [2023-12-15 17:37:45,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 4443 transitions. [2023-12-15 17:37:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:37:45,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:37:45,604 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] [2023-12-15 17:37:45,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 17:37:45,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:37:45,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:37:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1238995904, now seen corresponding path program 1 times [2023-12-15 17:37:45,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:37:45,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213280803] [2023-12-15 17:37:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:37:45,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:37:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:37:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:37:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:37:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:37:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:37:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:37:45,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:37:45,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213280803] [2023-12-15 17:37:45,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213280803] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:37:45,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:37:45,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:37:45,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538761423] [2023-12-15 17:37:45,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:37:45,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:37:45,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:37:45,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:37:45,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:37:45,919 INFO L87 Difference]: Start difference. First operand 2421 states and 4443 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:49,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:37:49,317 INFO L93 Difference]: Finished difference Result 3245 states and 5826 transitions. [2023-12-15 17:37:49,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 17:37:49,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:37:49,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:37:49,330 INFO L225 Difference]: With dead ends: 3245 [2023-12-15 17:37:49,331 INFO L226 Difference]: Without dead ends: 2961 [2023-12-15 17:37:49,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-15 17:37:49,334 INFO L413 NwaCegarLoop]: 4363 mSDtfsCounter, 5163 mSDsluCounter, 17153 mSDsCounter, 0 mSdLazyCounter, 3302 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5180 SdHoareTripleChecker+Valid, 21516 SdHoareTripleChecker+Invalid, 3364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 3302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-15 17:37:49,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5180 Valid, 21516 Invalid, 3364 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [62 Valid, 3302 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-15 17:37:49,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2023-12-15 17:37:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2724. [2023-12-15 17:37:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 2663 states have (on average 1.819752159218926) internal successors, (4846), 2667 states have internal predecessors, (4846), 45 states have call successors, (45), 12 states have call predecessors, (45), 14 states have return successors, (52), 46 states have call predecessors, (52), 45 states have call successors, (52) [2023-12-15 17:37:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 4943 transitions. [2023-12-15 17:37:49,409 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 4943 transitions. Word has length 141 [2023-12-15 17:37:49,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:37:49,409 INFO L495 AbstractCegarLoop]: Abstraction has 2724 states and 4943 transitions. [2023-12-15 17:37:49,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 4943 transitions. [2023-12-15 17:37:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:37:49,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:37:49,412 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] [2023-12-15 17:37:49,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 17:37:49,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:37:49,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:37:49,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1727043010, now seen corresponding path program 1 times [2023-12-15 17:37:49,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:37:49,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67010762] [2023-12-15 17:37:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:37:49,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:37:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:37:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:37:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:37:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:37:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:37:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:37:49,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:37:49,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67010762] [2023-12-15 17:37:49,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67010762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:37:49,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:37:49,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:37:49,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062405641] [2023-12-15 17:37:49,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:37:49,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:37:49,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:37:49,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:37:49,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:37:49,657 INFO L87 Difference]: Start difference. First operand 2724 states and 4943 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:37:52,403 INFO L93 Difference]: Finished difference Result 4288 states and 7546 transitions. [2023-12-15 17:37:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 17:37:52,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:37:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:37:52,418 INFO L225 Difference]: With dead ends: 4288 [2023-12-15 17:37:52,418 INFO L226 Difference]: Without dead ends: 3703 [2023-12-15 17:37:52,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-15 17:37:52,422 INFO L413 NwaCegarLoop]: 4311 mSDtfsCounter, 5204 mSDsluCounter, 17089 mSDsCounter, 0 mSdLazyCounter, 2989 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5221 SdHoareTripleChecker+Valid, 21400 SdHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-15 17:37:52,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 21400 Invalid, 3059 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 2989 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-15 17:37:52,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3703 states. [2023-12-15 17:37:52,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3703 to 3278. [2023-12-15 17:37:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3165 states have (on average 1.7873617693522907) internal successors, (5657), 3171 states have internal predecessors, (5657), 83 states have call successors, (83), 24 states have call predecessors, (83), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-15 17:37:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 5840 transitions. [2023-12-15 17:37:52,523 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 5840 transitions. Word has length 141 [2023-12-15 17:37:52,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:37:52,523 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 5840 transitions. [2023-12-15 17:37:52,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 5840 transitions. [2023-12-15 17:37:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:37:52,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:37:52,526 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] [2023-12-15 17:37:52,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 17:37:52,526 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:37:52,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:37:52,527 INFO L85 PathProgramCache]: Analyzing trace with hash 634407808, now seen corresponding path program 1 times [2023-12-15 17:37:52,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:37:52,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439120641] [2023-12-15 17:37:52,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:37:52,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:37:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:37:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:37:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:37:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:37:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:37:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:37:52,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:37:52,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439120641] [2023-12-15 17:37:52,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439120641] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:37:52,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:37:52,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:37:52,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859430636] [2023-12-15 17:37:52,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:37:52,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:37:52,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:37:52,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:37:52,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:37:52,786 INFO L87 Difference]: Start difference. First operand 3278 states and 5840 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:54,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:37:54,078 INFO L93 Difference]: Finished difference Result 4857 states and 8484 transitions. [2023-12-15 17:37:54,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 17:37:54,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:37:54,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:37:54,090 INFO L225 Difference]: With dead ends: 4857 [2023-12-15 17:37:54,091 INFO L226 Difference]: Without dead ends: 3716 [2023-12-15 17:37:54,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-15 17:37:54,095 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 5000 mSDsluCounter, 12398 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5018 SdHoareTripleChecker+Valid, 16573 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:37:54,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5018 Valid, 16573 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 17:37:54,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2023-12-15 17:37:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 3278. [2023-12-15 17:37:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3165 states have (on average 1.785781990521327) internal successors, (5652), 3171 states have internal predecessors, (5652), 83 states have call successors, (83), 24 states have call predecessors, (83), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-15 17:37:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 5835 transitions. [2023-12-15 17:37:54,253 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 5835 transitions. Word has length 141 [2023-12-15 17:37:54,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:37:54,253 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 5835 transitions. [2023-12-15 17:37:54,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 5835 transitions. [2023-12-15 17:37:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:37:54,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:37:54,255 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] [2023-12-15 17:37:54,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 17:37:54,255 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:37:54,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:37:54,257 INFO L85 PathProgramCache]: Analyzing trace with hash -647764478, now seen corresponding path program 1 times [2023-12-15 17:37:54,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:37:54,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068492882] [2023-12-15 17:37:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:37:54,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:37:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:37:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:37:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:37:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:54,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:37:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:37:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:37:54,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:37:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068492882] [2023-12-15 17:37:54,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068492882] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:37:54,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:37:54,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:37:54,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598087241] [2023-12-15 17:37:54,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:37:54,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:37:54,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:37:54,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:37:54,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:37:54,402 INFO L87 Difference]: Start difference. First operand 3278 states and 5835 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:55,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:37:55,580 INFO L93 Difference]: Finished difference Result 4853 states and 8463 transitions. [2023-12-15 17:37:55,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 17:37:55,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:37:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:37:55,592 INFO L225 Difference]: With dead ends: 4853 [2023-12-15 17:37:55,593 INFO L226 Difference]: Without dead ends: 3712 [2023-12-15 17:37:55,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-15 17:37:55,597 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 4998 mSDsluCounter, 12398 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5016 SdHoareTripleChecker+Valid, 16573 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 17:37:55,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5016 Valid, 16573 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 17:37:55,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2023-12-15 17:37:55,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 3278. [2023-12-15 17:37:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3165 states have (on average 1.7842022116903633) internal successors, (5647), 3171 states have internal predecessors, (5647), 83 states have call successors, (83), 24 states have call predecessors, (83), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-15 17:37:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 5830 transitions. [2023-12-15 17:37:55,679 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 5830 transitions. Word has length 141 [2023-12-15 17:37:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:37:55,679 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 5830 transitions. [2023-12-15 17:37:55,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 5830 transitions. [2023-12-15 17:37:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:37:55,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:37:55,682 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] [2023-12-15 17:37:55,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 17:37:55,682 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:37:55,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:37:55,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1804727104, now seen corresponding path program 1 times [2023-12-15 17:37:55,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:37:55,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013496596] [2023-12-15 17:37:55,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:37:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:37:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:37:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:37:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:37:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:37:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:55,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:37:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:37:55,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:37:55,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013496596] [2023-12-15 17:37:55,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013496596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:37:55,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:37:55,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:37:55,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365398551] [2023-12-15 17:37:55,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:37:55,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:37:55,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:37:55,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:37:55,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:37:55,865 INFO L87 Difference]: Start difference. First operand 3278 states and 5830 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:57,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:37:57,110 INFO L93 Difference]: Finished difference Result 4848 states and 8440 transitions. [2023-12-15 17:37:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 17:37:57,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:37:57,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:37:57,123 INFO L225 Difference]: With dead ends: 4848 [2023-12-15 17:37:57,124 INFO L226 Difference]: Without dead ends: 3707 [2023-12-15 17:37:57,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-15 17:37:57,128 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 4996 mSDsluCounter, 12398 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5014 SdHoareTripleChecker+Valid, 16573 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 17:37:57,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5014 Valid, 16573 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 17:37:57,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3707 states. [2023-12-15 17:37:57,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3707 to 3278. [2023-12-15 17:37:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3165 states have (on average 1.7826224328593996) internal successors, (5642), 3171 states have internal predecessors, (5642), 83 states have call successors, (83), 24 states have call predecessors, (83), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-15 17:37:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 5825 transitions. [2023-12-15 17:37:57,202 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 5825 transitions. Word has length 141 [2023-12-15 17:37:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:37:57,202 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 5825 transitions. [2023-12-15 17:37:57,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:37:57,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 5825 transitions. [2023-12-15 17:37:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:37:57,204 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:37:57,204 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] [2023-12-15 17:37:57,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 17:37:57,205 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:37:57,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:37:57,205 INFO L85 PathProgramCache]: Analyzing trace with hash 82724418, now seen corresponding path program 1 times [2023-12-15 17:37:57,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:37:57,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808731611] [2023-12-15 17:37:57,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:37:57,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:37:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:37:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:37:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:37:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:37:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:37:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:37:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:37:57,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:37:57,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808731611] [2023-12-15 17:37:57,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808731611] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:37:57,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:37:57,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:37:57,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728415326] [2023-12-15 17:37:57,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:37:57,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:37:57,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:37:57,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:37:57,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:37:57,376 INFO L87 Difference]: Start difference. First operand 3278 states and 5825 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:00,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:38:00,192 INFO L93 Difference]: Finished difference Result 6307 states and 10801 transitions. [2023-12-15 17:38:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 17:38:00,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:38:00,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:38:00,215 INFO L225 Difference]: With dead ends: 6307 [2023-12-15 17:38:00,215 INFO L226 Difference]: Without dead ends: 5168 [2023-12-15 17:38:00,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-15 17:38:00,221 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 5154 mSDsluCounter, 17153 mSDsCounter, 0 mSdLazyCounter, 3208 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5171 SdHoareTripleChecker+Valid, 21513 SdHoareTripleChecker+Invalid, 3272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 3208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:38:00,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5171 Valid, 21513 Invalid, 3272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 3208 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-15 17:38:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2023-12-15 17:38:00,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 4397. [2023-12-15 17:38:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 4180 states have (on average 1.7375598086124402) internal successors, (7263), 4190 states have internal predecessors, (7263), 159 states have call successors, (159), 48 states have call predecessors, (159), 56 states have return successors, (202), 166 states have call predecessors, (202), 159 states have call successors, (202) [2023-12-15 17:38:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 7624 transitions. [2023-12-15 17:38:00,333 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 7624 transitions. Word has length 141 [2023-12-15 17:38:00,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:38:00,333 INFO L495 AbstractCegarLoop]: Abstraction has 4397 states and 7624 transitions. [2023-12-15 17:38:00,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 7624 transitions. [2023-12-15 17:38:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:38:00,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:38:00,337 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] [2023-12-15 17:38:00,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 17:38:00,337 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:38:00,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:38:00,338 INFO L85 PathProgramCache]: Analyzing trace with hash -249918720, now seen corresponding path program 1 times [2023-12-15 17:38:00,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:38:00,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094542459] [2023-12-15 17:38:00,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:38:00,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:38:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:38:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:38:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:38:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:38:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:38:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:38:00,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:38:00,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094542459] [2023-12-15 17:38:00,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094542459] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:38:00,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:38:00,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:38:00,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661123600] [2023-12-15 17:38:00,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:38:00,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:38:00,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:38:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:38:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:38:00,507 INFO L87 Difference]: Start difference. First operand 4397 states and 7624 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:02,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:38:02,027 INFO L93 Difference]: Finished difference Result 7464 states and 12699 transitions. [2023-12-15 17:38:02,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 17:38:02,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:38:02,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:38:02,042 INFO L225 Difference]: With dead ends: 7464 [2023-12-15 17:38:02,042 INFO L226 Difference]: Without dead ends: 5204 [2023-12-15 17:38:02,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-15 17:38:02,050 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 4871 mSDsluCounter, 16496 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4889 SdHoareTripleChecker+Valid, 20671 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 17:38:02,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4889 Valid, 20671 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 17:38:02,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2023-12-15 17:38:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 4397. [2023-12-15 17:38:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 4180 states have (on average 1.7354066985645933) internal successors, (7254), 4190 states have internal predecessors, (7254), 159 states have call successors, (159), 48 states have call predecessors, (159), 56 states have return successors, (202), 166 states have call predecessors, (202), 159 states have call successors, (202) [2023-12-15 17:38:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 7615 transitions. [2023-12-15 17:38:02,187 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 7615 transitions. Word has length 141 [2023-12-15 17:38:02,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:38:02,189 INFO L495 AbstractCegarLoop]: Abstraction has 4397 states and 7615 transitions. [2023-12-15 17:38:02,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:02,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 7615 transitions. [2023-12-15 17:38:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:38:02,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:38:02,192 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] [2023-12-15 17:38:02,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 17:38:02,192 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:38:02,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:38:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1679013506, now seen corresponding path program 1 times [2023-12-15 17:38:02,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:38:02,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407504905] [2023-12-15 17:38:02,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:38:02,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:38:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:38:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:38:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:38:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:38:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:38:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:38:02,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:38:02,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407504905] [2023-12-15 17:38:02,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407504905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:38:02,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:38:02,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:38:02,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405314745] [2023-12-15 17:38:02,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:38:02,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:38:02,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:38:02,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:38:02,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:38:02,390 INFO L87 Difference]: Start difference. First operand 4397 states and 7615 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:05,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:38:05,144 INFO L93 Difference]: Finished difference Result 10354 states and 17366 transitions. [2023-12-15 17:38:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 17:38:05,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:38:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:38:05,163 INFO L225 Difference]: With dead ends: 10354 [2023-12-15 17:38:05,163 INFO L226 Difference]: Without dead ends: 8096 [2023-12-15 17:38:05,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-15 17:38:05,171 INFO L413 NwaCegarLoop]: 4359 mSDtfsCounter, 5186 mSDsluCounter, 17153 mSDsCounter, 0 mSdLazyCounter, 3083 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5203 SdHoareTripleChecker+Valid, 21512 SdHoareTripleChecker+Invalid, 3147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 3083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:38:05,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5203 Valid, 21512 Invalid, 3147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 3083 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-15 17:38:05,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8096 states. [2023-12-15 17:38:05,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8096 to 6657. [2023-12-15 17:38:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6657 states, 6232 states have (on average 1.6882220795892169) internal successors, (10521), 6250 states have internal predecessors, (10521), 311 states have call successors, (311), 96 states have call predecessors, (311), 112 states have return successors, (424), 326 states have call predecessors, (424), 311 states have call successors, (424) [2023-12-15 17:38:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6657 states to 6657 states and 11256 transitions. [2023-12-15 17:38:05,423 INFO L78 Accepts]: Start accepts. Automaton has 6657 states and 11256 transitions. Word has length 141 [2023-12-15 17:38:05,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:38:05,423 INFO L495 AbstractCegarLoop]: Abstraction has 6657 states and 11256 transitions. [2023-12-15 17:38:05,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 6657 states and 11256 transitions. [2023-12-15 17:38:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:38:05,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:38:05,427 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] [2023-12-15 17:38:05,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 17:38:05,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:38:05,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:38:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -888808828, now seen corresponding path program 1 times [2023-12-15 17:38:05,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:38:05,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915286114] [2023-12-15 17:38:05,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:38:05,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:38:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:38:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:38:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:38:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:38:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:38:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:38:05,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:38:05,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915286114] [2023-12-15 17:38:05,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915286114] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:38:05,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:38:05,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:38:05,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121103166] [2023-12-15 17:38:05,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:38:05,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:38:05,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:38:05,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:38:05,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:38:05,590 INFO L87 Difference]: Start difference. First operand 6657 states and 11256 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:08,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:38:08,235 INFO L93 Difference]: Finished difference Result 18478 states and 30647 transitions. [2023-12-15 17:38:08,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 17:38:08,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:38:08,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:38:08,273 INFO L225 Difference]: With dead ends: 18478 [2023-12-15 17:38:08,273 INFO L226 Difference]: Without dead ends: 13960 [2023-12-15 17:38:08,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-15 17:38:08,289 INFO L413 NwaCegarLoop]: 4310 mSDtfsCounter, 5212 mSDsluCounter, 17089 mSDsCounter, 0 mSdLazyCounter, 2822 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5229 SdHoareTripleChecker+Valid, 21399 SdHoareTripleChecker+Invalid, 2892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 2822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-15 17:38:08,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5229 Valid, 21399 Invalid, 2892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 2822 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-15 17:38:08,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13960 states. [2023-12-15 17:38:08,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13960 to 11193. [2023-12-15 17:38:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11193 states, 10352 states have (on average 1.6498261205564142) internal successors, (17079), 10386 states have internal predecessors, (17079), 615 states have call successors, (615), 192 states have call predecessors, (615), 224 states have return successors, (922), 646 states have call predecessors, (922), 615 states have call successors, (922) [2023-12-15 17:38:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11193 states to 11193 states and 18616 transitions. [2023-12-15 17:38:08,701 INFO L78 Accepts]: Start accepts. Automaton has 11193 states and 18616 transitions. Word has length 141 [2023-12-15 17:38:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:38:08,702 INFO L495 AbstractCegarLoop]: Abstraction has 11193 states and 18616 transitions. [2023-12-15 17:38:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 11193 states and 18616 transitions. [2023-12-15 17:38:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:38:08,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:38:08,709 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] [2023-12-15 17:38:08,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 17:38:08,709 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:38:08,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:38:08,710 INFO L85 PathProgramCache]: Analyzing trace with hash -417452478, now seen corresponding path program 1 times [2023-12-15 17:38:08,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:38:08,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371476660] [2023-12-15 17:38:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:38:08,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:38:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:38:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:38:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:38:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:38:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:38:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:38:08,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:38:08,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371476660] [2023-12-15 17:38:08,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371476660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:38:08,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:38:08,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:38:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712106258] [2023-12-15 17:38:08,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:38:08,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:38:08,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:38:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:38:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:38:08,886 INFO L87 Difference]: Start difference. First operand 11193 states and 18616 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:38:12,108 INFO L93 Difference]: Finished difference Result 38822 states and 64027 transitions. [2023-12-15 17:38:12,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 17:38:12,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:38:12,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:38:12,192 INFO L225 Difference]: With dead ends: 38822 [2023-12-15 17:38:12,193 INFO L226 Difference]: Without dead ends: 29768 [2023-12-15 17:38:12,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 17:38:12,227 INFO L413 NwaCegarLoop]: 4355 mSDtfsCounter, 5552 mSDsluCounter, 17148 mSDsCounter, 0 mSdLazyCounter, 3037 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5580 SdHoareTripleChecker+Valid, 21503 SdHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-15 17:38:12,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5580 Valid, 21503 Invalid, 3104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3037 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-15 17:38:12,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29768 states. [2023-12-15 17:38:12,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29768 to 20233. [2023-12-15 17:38:12,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20233 states, 18592 states have (on average 1.6249462134251291) internal successors, (30211), 18658 states have internal predecessors, (30211), 1191 states have call successors, (1191), 384 states have call predecessors, (1191), 448 states have return successors, (2048), 1254 states have call predecessors, (2048), 1191 states have call successors, (2048) [2023-12-15 17:38:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20233 states to 20233 states and 33450 transitions. [2023-12-15 17:38:13,015 INFO L78 Accepts]: Start accepts. Automaton has 20233 states and 33450 transitions. Word has length 141 [2023-12-15 17:38:13,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:38:13,015 INFO L495 AbstractCegarLoop]: Abstraction has 20233 states and 33450 transitions. [2023-12-15 17:38:13,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 20233 states and 33450 transitions. [2023-12-15 17:38:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:38:13,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:38:13,026 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] [2023-12-15 17:38:13,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 17:38:13,026 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:38:13,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:38:13,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2064815420, now seen corresponding path program 1 times [2023-12-15 17:38:13,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:38:13,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144912061] [2023-12-15 17:38:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:38:13,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:38:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:38:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:38:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:38:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:38:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:38:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:38:13,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:38:13,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144912061] [2023-12-15 17:38:13,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144912061] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:38:13,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:38:13,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:38:13,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732726116] [2023-12-15 17:38:13,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:38:13,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:38:13,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:38:13,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:38:13,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:38:13,183 INFO L87 Difference]: Start difference. First operand 20233 states and 33450 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:17,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:38:17,120 INFO L93 Difference]: Finished difference Result 74518 states and 123319 transitions. [2023-12-15 17:38:17,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 17:38:17,120 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:38:17,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:38:17,326 INFO L225 Difference]: With dead ends: 74518 [2023-12-15 17:38:17,327 INFO L226 Difference]: Without dead ends: 56424 [2023-12-15 17:38:17,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 17:38:17,388 INFO L413 NwaCegarLoop]: 4357 mSDtfsCounter, 5271 mSDsluCounter, 17145 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5287 SdHoareTripleChecker+Valid, 21502 SdHoareTripleChecker+Invalid, 3669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-15 17:38:17,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5287 Valid, 21502 Invalid, 3669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-15 17:38:17,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56424 states. [2023-12-15 17:38:18,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56424 to 37993. [2023-12-15 17:38:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37993 states, 34784 states have (on average 1.610711821527139) internal successors, (56027), 34914 states have internal predecessors, (56027), 2311 states have call successors, (2311), 768 states have call predecessors, (2311), 896 states have return successors, (4754), 2438 states have call predecessors, (4754), 2311 states have call successors, (4754) [2023-12-15 17:38:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37993 states to 37993 states and 63092 transitions. [2023-12-15 17:38:18,902 INFO L78 Accepts]: Start accepts. Automaton has 37993 states and 63092 transitions. Word has length 141 [2023-12-15 17:38:18,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 17:38:18,902 INFO L495 AbstractCegarLoop]: Abstraction has 37993 states and 63092 transitions. [2023-12-15 17:38:18,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 37993 states and 63092 transitions. [2023-12-15 17:38:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-15 17:38:18,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 17:38:18,921 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] [2023-12-15 17:38:18,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 17:38:18,921 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 17:38:18,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 17:38:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash 98801154, now seen corresponding path program 1 times [2023-12-15 17:38:18,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 17:38:18,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454553354] [2023-12-15 17:38:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 17:38:18,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 17:38:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 17:38:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 17:38:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 17:38:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 17:38:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 17:38:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 17:38:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 17:38:19,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 17:38:19,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454553354] [2023-12-15 17:38:19,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454553354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 17:38:19,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 17:38:19,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 17:38:19,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311474293] [2023-12-15 17:38:19,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 17:38:19,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 17:38:19,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 17:38:19,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 17:38:19,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 17:38:19,061 INFO L87 Difference]: Start difference. First operand 37993 states and 63092 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 17:38:23,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 17:38:23,842 INFO L93 Difference]: Finished difference Result 144054 states and 240647 transitions. [2023-12-15 17:38:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 17:38:23,843 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2023-12-15 17:38:23,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 17:38:24,157 INFO L225 Difference]: With dead ends: 144054 [2023-12-15 17:38:24,158 INFO L226 Difference]: Without dead ends: 108200 [2023-12-15 17:38:24,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 17:38:24,373 INFO L413 NwaCegarLoop]: 4358 mSDtfsCounter, 5484 mSDsluCounter, 17148 mSDsCounter, 0 mSdLazyCounter, 3026 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5512 SdHoareTripleChecker+Valid, 21506 SdHoareTripleChecker+Invalid, 3093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 3026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-15 17:38:24,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5512 Valid, 21506 Invalid, 3093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 3026 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-15 17:38:24,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108200 states. Received shutdown request... [2023-12-15 17:38:26,401 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 17:38:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108200 to 73833. [2023-12-15 17:38:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73833 states, 67552 states have (on average 1.6031945760303175) internal successors, (108299), 67810 states have internal predecessors, (108299), 4487 states have call successors, (4487), 1536 states have call predecessors, (4487), 1792 states have return successors, (11560), 4742 states have call predecessors, (11560), 4487 states have call successors, (11560) [2023-12-15 17:38:26,973 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-15 17:38:26,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 17:38:26,974 WARN L619 AbstractCegarLoop]: Verification canceled: while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). [2023-12-15 17:38:26,976 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-15 17:38:26,978 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 17:38:26,980 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 17:38:26,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 05:38:26 BoogieIcfgContainer [2023-12-15 17:38:26,981 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 17:38:26,981 INFO L158 Benchmark]: Toolchain (without parser) took 52181.39ms. Allocated memory was 220.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 137.7MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-15 17:38:26,981 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 220.2MB. Free memory is still 167.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 17:38:26,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2226.56ms. Allocated memory was 220.2MB in the beginning and 310.4MB in the end (delta: 90.2MB). Free memory was 137.4MB in the beginning and 142.9MB in the end (delta: -5.5MB). Peak memory consumption was 121.5MB. Max. memory is 8.0GB. [2023-12-15 17:38:26,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 311.78ms. Allocated memory is still 310.4MB. Free memory was 142.9MB in the beginning and 159.7MB in the end (delta: -16.8MB). Peak memory consumption was 78.1MB. Max. memory is 8.0GB. [2023-12-15 17:38:26,982 INFO L158 Benchmark]: Boogie Preprocessor took 479.10ms. Allocated memory was 310.4MB in the beginning and 522.2MB in the end (delta: 211.8MB). Free memory was 159.7MB in the beginning and 351.1MB in the end (delta: -191.4MB). Peak memory consumption was 68.7MB. Max. memory is 8.0GB. [2023-12-15 17:38:26,982 INFO L158 Benchmark]: RCFGBuilder took 5797.31ms. Allocated memory was 522.2MB in the beginning and 920.6MB in the end (delta: 398.5MB). Free memory was 351.1MB in the beginning and 649.9MB in the end (delta: -298.8MB). Peak memory consumption was 565.7MB. Max. memory is 8.0GB. [2023-12-15 17:38:26,982 INFO L158 Benchmark]: TraceAbstraction took 43361.90ms. Allocated memory was 920.6MB in the beginning and 2.4GB in the end (delta: 1.5GB). Free memory was 649.4MB in the beginning and 1.4GB in the end (delta: -713.1MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-15 17:38:26,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 220.2MB. Free memory is still 167.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2226.56ms. Allocated memory was 220.2MB in the beginning and 310.4MB in the end (delta: 90.2MB). Free memory was 137.4MB in the beginning and 142.9MB in the end (delta: -5.5MB). Peak memory consumption was 121.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 311.78ms. Allocated memory is still 310.4MB. Free memory was 142.9MB in the beginning and 159.7MB in the end (delta: -16.8MB). Peak memory consumption was 78.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 479.10ms. Allocated memory was 310.4MB in the beginning and 522.2MB in the end (delta: 211.8MB). Free memory was 159.7MB in the beginning and 351.1MB in the end (delta: -191.4MB). Peak memory consumption was 68.7MB. Max. memory is 8.0GB. * RCFGBuilder took 5797.31ms. Allocated memory was 522.2MB in the beginning and 920.6MB in the end (delta: 398.5MB). Free memory was 351.1MB in the beginning and 649.9MB in the end (delta: -298.8MB). Peak memory consumption was 565.7MB. Max. memory is 8.0GB. * TraceAbstraction took 43361.90ms. Allocated memory was 920.6MB in the beginning and 2.4GB in the end (delta: 1.5GB). Free memory was 649.4MB in the beginning and 1.4GB in the end (delta: -713.1MB). Peak memory consumption was 1.1GB. 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: 11173]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11173). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 11088]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11088). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 2425 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 43.3s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 34.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63179 SdHoareTripleChecker+Valid, 21.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62928 mSDsluCounter, 258620 SdHoareTripleChecker+Invalid, 18.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202928 mSDsCounter, 898 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31937 IncrementalHoareTripleChecker+Invalid, 32835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 898 mSolverCounterUnsat, 55692 mSDtfsCounter, 31937 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37993occurred in iteration=12, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 35823 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1833 NumberOfCodeBlocks, 1833 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1820 ConstructedInterpolants, 0 QuantifiedInterpolants, 5421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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