/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/eca-rers2012/Problem10_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 03:31:50,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 03:31:50,755 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 03:31:50,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 03:31:50,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 03:31:50,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 03:31:50,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 03:31:50,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 03:31:50,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 03:31:50,773 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 03:31:50,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 03:31:50,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 03:31:50,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 03:31:50,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 03:31:50,775 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 03:31:50,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 03:31:50,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 03:31:50,776 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 03:31:50,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 03:31:50,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 03:31:50,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 03:31:50,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 03:31:50,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 03:31:50,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 03:31:50,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 03:31:50,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 03:31:50,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 03:31:50,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 03:31:50,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 03:31:50,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 03:31:50,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 03:31:50,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 03:31:50,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:31:50,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 03:31:50,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 03:31:50,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 03:31:50,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 03:31:50,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 03:31:50,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 03:31:50,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 03:31:50,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 03:31:50,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 03:31:50,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 03:31:50,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 03:31:50,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 03:31:51,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 03:31:51,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 03:31:51,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 03:31:51,028 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 03:31:51,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label49.c [2023-12-19 03:31:52,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 03:31:52,440 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 03:31:52,441 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label49.c [2023-12-19 03:31:52,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72c5cdca/cb658ef5a777450e9dbb8d604a3bf4be/FLAG51384b2f6 [2023-12-19 03:31:52,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72c5cdca/cb658ef5a777450e9dbb8d604a3bf4be [2023-12-19 03:31:52,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 03:31:52,495 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 03:31:52,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 03:31:52,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 03:31:52,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 03:31:52,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:52,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a00eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52, skipping insertion in model container [2023-12-19 03:31:52,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:52,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 03:31:52,711 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label49.c[2714,2727] [2023-12-19 03:31:52,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:31:52,821 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 03:31:52,835 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label49.c[2714,2727] [2023-12-19 03:31:52,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 03:31:52,912 INFO L206 MainTranslator]: Completed translation [2023-12-19 03:31:52,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52 WrapperNode [2023-12-19 03:31:52,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 03:31:52,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 03:31:52,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 03:31:52,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 03:31:52,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:52,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:52,988 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-12-19 03:31:52,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 03:31:52,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 03:31:52,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 03:31:52,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 03:31:53,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,040 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,061 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]. [2023-12-19 03:31:53,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 03:31:53,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 03:31:53,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 03:31:53,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 03:31:53,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (1/1) ... [2023-12-19 03:31:53,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 03:31:53,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:31:53,142 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) [2023-12-19 03:31:53,148 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 [2023-12-19 03:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 03:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 03:31:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 03:31:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 03:31:53,227 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 03:31:53,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 03:31:53,969 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 03:31:54,005 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 03:31:54,005 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 03:31:54,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:31:54 BoogieIcfgContainer [2023-12-19 03:31:54,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 03:31:54,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 03:31:54,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 03:31:54,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 03:31:54,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:31:52" (1/3) ... [2023-12-19 03:31:54,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f4c3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:31:54, skipping insertion in model container [2023-12-19 03:31:54,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:31:52" (2/3) ... [2023-12-19 03:31:54,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f4c3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:31:54, skipping insertion in model container [2023-12-19 03:31:54,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:31:54" (3/3) ... [2023-12-19 03:31:54,011 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label49.c [2023-12-19 03:31:54,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 03:31:54,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 03:31:54,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 03:31:54,058 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;@549b20e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 03:31:54,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 03:31:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 142 states have (on average 1.9859154929577465) internal successors, (282), 143 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-19 03:31:54,066 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:54,066 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] [2023-12-19 03:31:54,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:54,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:54,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1338134838, now seen corresponding path program 1 times [2023-12-19 03:31:54,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:54,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059338058] [2023-12-19 03:31:54,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:54,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:31:54,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:54,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059338058] [2023-12-19 03:31:54,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059338058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:54,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:54,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:31:54,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574602738] [2023-12-19 03:31:54,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:54,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 03:31:54,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:54,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 03:31:54,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 03:31:54,258 INFO L87 Difference]: Start difference. First operand has 144 states, 142 states have (on average 1.9859154929577465) internal successors, (282), 143 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:54,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:54,302 INFO L93 Difference]: Finished difference Result 287 states and 563 transitions. [2023-12-19 03:31:54,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 03:31:54,304 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-12-19 03:31:54,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:54,313 INFO L225 Difference]: With dead ends: 287 [2023-12-19 03:31:54,313 INFO L226 Difference]: Without dead ends: 142 [2023-12-19 03:31:54,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 03:31:54,320 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:54,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 217 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 03:31:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-19 03:31:54,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-12-19 03:31:54,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 141 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:54,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2023-12-19 03:31:54,359 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 21 [2023-12-19 03:31:54,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:54,359 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2023-12-19 03:31:54,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2023-12-19 03:31:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-19 03:31:54,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:54,360 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] [2023-12-19 03:31:54,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 03:31:54,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:54,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:54,361 INFO L85 PathProgramCache]: Analyzing trace with hash -326034283, now seen corresponding path program 1 times [2023-12-19 03:31:54,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:54,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580753296] [2023-12-19 03:31:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:54,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:31:54,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:54,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580753296] [2023-12-19 03:31:54,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580753296] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:54,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:54,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:31:54,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612564242] [2023-12-19 03:31:54,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:54,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:31:54,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:54,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:31:54,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:54,525 INFO L87 Difference]: Start difference. First operand 142 states and 217 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:54,981 INFO L93 Difference]: Finished difference Result 422 states and 648 transitions. [2023-12-19 03:31:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:31:54,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-12-19 03:31:54,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:54,983 INFO L225 Difference]: With dead ends: 422 [2023-12-19 03:31:54,983 INFO L226 Difference]: Without dead ends: 281 [2023-12-19 03:31:54,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:54,985 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 122 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:54,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 29 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:31:54,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-12-19 03:31:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-12-19 03:31:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.4678571428571427) internal successors, (411), 280 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 411 transitions. [2023-12-19 03:31:54,994 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 411 transitions. Word has length 21 [2023-12-19 03:31:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:54,995 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 411 transitions. [2023-12-19 03:31:54,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 411 transitions. [2023-12-19 03:31:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-19 03:31:54,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:54,997 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:31:54,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 03:31:54,997 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:54,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:54,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1025627831, now seen corresponding path program 1 times [2023-12-19 03:31:54,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:54,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541669767] [2023-12-19 03:31:54,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:54,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:31:55,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:55,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541669767] [2023-12-19 03:31:55,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541669767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:55,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:55,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:31:55,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839756160] [2023-12-19 03:31:55,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:55,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:31:55,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:55,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:31:55,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:55,204 INFO L87 Difference]: Start difference. First operand 281 states and 411 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:55,617 INFO L93 Difference]: Finished difference Result 839 states and 1230 transitions. [2023-12-19 03:31:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:31:55,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-19 03:31:55,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:55,621 INFO L225 Difference]: With dead ends: 839 [2023-12-19 03:31:55,621 INFO L226 Difference]: Without dead ends: 559 [2023-12-19 03:31:55,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:55,623 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 75 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:55,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 65 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:31:55,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2023-12-19 03:31:55,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2023-12-19 03:31:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 558 states have (on average 1.3064516129032258) internal successors, (729), 558 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 729 transitions. [2023-12-19 03:31:55,646 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 729 transitions. Word has length 91 [2023-12-19 03:31:55,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:55,649 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 729 transitions. [2023-12-19 03:31:55,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 729 transitions. [2023-12-19 03:31:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-19 03:31:55,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:55,657 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:31:55,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 03:31:55,657 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:55,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:55,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2026466329, now seen corresponding path program 1 times [2023-12-19 03:31:55,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:55,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140266959] [2023-12-19 03:31:55,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:55,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:31:55,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:55,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140266959] [2023-12-19 03:31:55,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140266959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:55,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:55,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:31:55,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2876991] [2023-12-19 03:31:55,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:55,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:31:55,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:55,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:31:55,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:55,811 INFO L87 Difference]: Start difference. First operand 559 states and 729 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:56,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:56,286 INFO L93 Difference]: Finished difference Result 1395 states and 1866 transitions. [2023-12-19 03:31:56,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:31:56,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-19 03:31:56,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:56,291 INFO L225 Difference]: With dead ends: 1395 [2023-12-19 03:31:56,291 INFO L226 Difference]: Without dead ends: 837 [2023-12-19 03:31:56,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:56,293 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 128 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:56,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 208 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 03:31:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2023-12-19 03:31:56,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2023-12-19 03:31:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 836 states have (on average 1.270334928229665) internal successors, (1062), 836 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1062 transitions. [2023-12-19 03:31:56,316 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1062 transitions. Word has length 96 [2023-12-19 03:31:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:56,317 INFO L495 AbstractCegarLoop]: Abstraction has 837 states and 1062 transitions. [2023-12-19 03:31:56,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1062 transitions. [2023-12-19 03:31:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-19 03:31:56,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:56,318 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:31:56,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 03:31:56,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:56,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:56,319 INFO L85 PathProgramCache]: Analyzing trace with hash 2043261937, now seen corresponding path program 1 times [2023-12-19 03:31:56,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:56,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049657220] [2023-12-19 03:31:56,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:56,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:31:56,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:56,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049657220] [2023-12-19 03:31:56,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049657220] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:56,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:56,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:31:56,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183601346] [2023-12-19 03:31:56,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:56,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:31:56,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:56,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:31:56,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:56,418 INFO L87 Difference]: Start difference. First operand 837 states and 1062 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:56,791 INFO L93 Difference]: Finished difference Result 2229 states and 2774 transitions. [2023-12-19 03:31:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:31:56,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-12-19 03:31:56,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:56,796 INFO L225 Difference]: With dead ends: 2229 [2023-12-19 03:31:56,796 INFO L226 Difference]: Without dead ends: 1393 [2023-12-19 03:31:56,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:56,799 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:56,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 32 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:31:56,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2023-12-19 03:31:56,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1254. [2023-12-19 03:31:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 1253 states have (on average 1.1763766959297686) internal successors, (1474), 1253 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1474 transitions. [2023-12-19 03:31:56,822 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1474 transitions. Word has length 112 [2023-12-19 03:31:56,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:56,823 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 1474 transitions. [2023-12-19 03:31:56,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1474 transitions. [2023-12-19 03:31:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-19 03:31:56,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:56,829 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:31:56,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 03:31:56,830 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:56,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:56,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1305032544, now seen corresponding path program 1 times [2023-12-19 03:31:56,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:56,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607650568] [2023-12-19 03:31:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:56,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:31:57,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:57,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607650568] [2023-12-19 03:31:57,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607650568] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:57,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:57,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 03:31:57,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299393353] [2023-12-19 03:31:57,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:57,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:31:57,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:57,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:31:57,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:57,024 INFO L87 Difference]: Start difference. First operand 1254 states and 1474 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:57,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:57,333 INFO L93 Difference]: Finished difference Result 2646 states and 3096 transitions. [2023-12-19 03:31:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:31:57,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2023-12-19 03:31:57,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:57,339 INFO L225 Difference]: With dead ends: 2646 [2023-12-19 03:31:57,339 INFO L226 Difference]: Without dead ends: 1393 [2023-12-19 03:31:57,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:57,345 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 49 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:57,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 80 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:31:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2023-12-19 03:31:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1393. [2023-12-19 03:31:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1392 states have (on average 1.1623563218390804) internal successors, (1618), 1392 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1618 transitions. [2023-12-19 03:31:57,382 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1618 transitions. Word has length 113 [2023-12-19 03:31:57,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:57,383 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1618 transitions. [2023-12-19 03:31:57,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1618 transitions. [2023-12-19 03:31:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-19 03:31:57,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:57,386 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:31:57,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 03:31:57,386 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:57,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:57,387 INFO L85 PathProgramCache]: Analyzing trace with hash -143903156, now seen corresponding path program 1 times [2023-12-19 03:31:57,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:57,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643237340] [2023-12-19 03:31:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:57,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-12-19 03:31:57,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:57,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643237340] [2023-12-19 03:31:57,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643237340] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:31:57,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958872601] [2023-12-19 03:31:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:57,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:31:57,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:31:57,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 03:31:57,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 03:31:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:57,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 03:31:57,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:31:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-12-19 03:31:58,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 03:31:58,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958872601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:58,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 03:31:58,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-12-19 03:31:58,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826727677] [2023-12-19 03:31:58,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:58,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:31:58,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:58,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:31:58,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-19 03:31:58,071 INFO L87 Difference]: Start difference. First operand 1393 states and 1618 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:58,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:58,425 INFO L93 Difference]: Finished difference Result 1951 states and 2291 transitions. [2023-12-19 03:31:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:31:58,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2023-12-19 03:31:58,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:58,431 INFO L225 Difference]: With dead ends: 1951 [2023-12-19 03:31:58,431 INFO L226 Difference]: Without dead ends: 1949 [2023-12-19 03:31:58,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-19 03:31:58,432 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 85 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:58,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 14 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:31:58,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2023-12-19 03:31:58,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1532. [2023-12-19 03:31:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.1802743305029393) internal successors, (1807), 1531 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1807 transitions. [2023-12-19 03:31:58,453 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1807 transitions. Word has length 179 [2023-12-19 03:31:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:58,453 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1807 transitions. [2023-12-19 03:31:58,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1807 transitions. [2023-12-19 03:31:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-19 03:31:58,455 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:58,455 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:31:58,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 03:31:58,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:31:58,661 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:58,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:58,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1291239911, now seen corresponding path program 1 times [2023-12-19 03:31:58,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:58,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873151836] [2023-12-19 03:31:58,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:58,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:31:58,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:58,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873151836] [2023-12-19 03:31:58,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873151836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:58,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:58,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:31:58,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178867956] [2023-12-19 03:31:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:58,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:31:58,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:58,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:31:58,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:58,804 INFO L87 Difference]: Start difference. First operand 1532 states and 1807 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:31:59,127 INFO L93 Difference]: Finished difference Result 3341 states and 4027 transitions. [2023-12-19 03:31:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:31:59,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2023-12-19 03:31:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:31:59,135 INFO L225 Difference]: With dead ends: 3341 [2023-12-19 03:31:59,135 INFO L226 Difference]: Without dead ends: 1949 [2023-12-19 03:31:59,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:31:59,139 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 52 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:31:59,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 210 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:31:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2023-12-19 03:31:59,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1810. [2023-12-19 03:31:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1810 states, 1809 states have (on average 1.164179104477612) internal successors, (2106), 1809 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:59,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2106 transitions. [2023-12-19 03:31:59,174 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2106 transitions. Word has length 181 [2023-12-19 03:31:59,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:31:59,174 INFO L495 AbstractCegarLoop]: Abstraction has 1810 states and 2106 transitions. [2023-12-19 03:31:59,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:31:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2106 transitions. [2023-12-19 03:31:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-12-19 03:31:59,178 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:31:59,178 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:31:59,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-19 03:31:59,179 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:31:59,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:31:59,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1389424387, now seen corresponding path program 1 times [2023-12-19 03:31:59,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:31:59,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711361882] [2023-12-19 03:31:59,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:31:59,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:31:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:31:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-19 03:31:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:31:59,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711361882] [2023-12-19 03:31:59,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711361882] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:31:59,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:31:59,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 03:31:59,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801680212] [2023-12-19 03:31:59,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:31:59,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 03:31:59,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:31:59,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 03:31:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-19 03:31:59,515 INFO L87 Difference]: Start difference. First operand 1810 states and 2106 transitions. Second operand has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:00,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:32:00,029 INFO L93 Difference]: Finished difference Result 3535 states and 4122 transitions. [2023-12-19 03:32:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 03:32:00,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2023-12-19 03:32:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:32:00,052 INFO L225 Difference]: With dead ends: 3535 [2023-12-19 03:32:00,052 INFO L226 Difference]: Without dead ends: 1810 [2023-12-19 03:32:00,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-19 03:32:00,056 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 142 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:32:00,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 32 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:32:00,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2023-12-19 03:32:00,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1810. [2023-12-19 03:32:00,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1810 states, 1809 states have (on average 1.1603095632946379) internal successors, (2099), 1809 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2099 transitions. [2023-12-19 03:32:00,093 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2099 transitions. Word has length 233 [2023-12-19 03:32:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:32:00,093 INFO L495 AbstractCegarLoop]: Abstraction has 1810 states and 2099 transitions. [2023-12-19 03:32:00,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.857142857142858) internal successors, (202), 6 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2099 transitions. [2023-12-19 03:32:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-12-19 03:32:00,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:32:00,098 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:32:00,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-19 03:32:00,098 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:32:00,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:32:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1694924265, now seen corresponding path program 1 times [2023-12-19 03:32:00,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:32:00,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074642969] [2023-12-19 03:32:00,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:32:00,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:32:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:32:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 03:32:00,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:32:00,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074642969] [2023-12-19 03:32:00,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074642969] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:32:00,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:32:00,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 03:32:00,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073108555] [2023-12-19 03:32:00,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:32:00,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 03:32:00,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:32:00,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 03:32:00,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:32:00,398 INFO L87 Difference]: Start difference. First operand 1810 states and 2099 transitions. Second operand has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:00,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:32:00,926 INFO L93 Difference]: Finished difference Result 3758 states and 4382 transitions. [2023-12-19 03:32:00,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 03:32:00,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2023-12-19 03:32:00,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:32:00,932 INFO L225 Difference]: With dead ends: 3758 [2023-12-19 03:32:00,932 INFO L226 Difference]: Without dead ends: 2088 [2023-12-19 03:32:00,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-19 03:32:00,934 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 153 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-19 03:32:00,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 199 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-19 03:32:00,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2023-12-19 03:32:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2088. [2023-12-19 03:32:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 2087 states have (on average 1.1461427886919022) internal successors, (2392), 2087 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2392 transitions. [2023-12-19 03:32:00,963 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2392 transitions. Word has length 269 [2023-12-19 03:32:00,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:32:00,963 INFO L495 AbstractCegarLoop]: Abstraction has 2088 states and 2392 transitions. [2023-12-19 03:32:00,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2392 transitions. [2023-12-19 03:32:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-12-19 03:32:00,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:32:00,966 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:32:00,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-19 03:32:00,966 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:32:00,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:32:00,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1752670868, now seen corresponding path program 1 times [2023-12-19 03:32:00,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:32:00,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553911919] [2023-12-19 03:32:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:32:00,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:32:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:32:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-12-19 03:32:01,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:32:01,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553911919] [2023-12-19 03:32:01,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553911919] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:32:01,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:32:01,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:32:01,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764574249] [2023-12-19 03:32:01,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:32:01,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:32:01,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:32:01,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:32:01,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:01,165 INFO L87 Difference]: Start difference. First operand 2088 states and 2392 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:01,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:32:01,497 INFO L93 Difference]: Finished difference Result 4453 states and 5195 transitions. [2023-12-19 03:32:01,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:32:01,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2023-12-19 03:32:01,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:32:01,504 INFO L225 Difference]: With dead ends: 4453 [2023-12-19 03:32:01,504 INFO L226 Difference]: Without dead ends: 2505 [2023-12-19 03:32:01,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:01,506 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 122 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:32:01,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 217 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:32:01,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2023-12-19 03:32:01,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2366. [2023-12-19 03:32:01,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 2365 states have (on average 1.1395348837209303) internal successors, (2695), 2365 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 2695 transitions. [2023-12-19 03:32:01,541 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 2695 transitions. Word has length 269 [2023-12-19 03:32:01,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:32:01,541 INFO L495 AbstractCegarLoop]: Abstraction has 2366 states and 2695 transitions. [2023-12-19 03:32:01,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2695 transitions. [2023-12-19 03:32:01,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-19 03:32:01,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:32:01,544 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:32:01,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-19 03:32:01,544 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:32:01,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:32:01,545 INFO L85 PathProgramCache]: Analyzing trace with hash 463269245, now seen corresponding path program 1 times [2023-12-19 03:32:01,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:32:01,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727980619] [2023-12-19 03:32:01,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:32:01,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:32:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:32:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2023-12-19 03:32:01,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:32:01,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727980619] [2023-12-19 03:32:01,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727980619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:32:01,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:32:01,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:32:01,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151007366] [2023-12-19 03:32:01,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:32:01,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:32:01,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:32:01,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:32:01,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:01,706 INFO L87 Difference]: Start difference. First operand 2366 states and 2695 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:02,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:32:02,081 INFO L93 Difference]: Finished difference Result 5287 states and 6001 transitions. [2023-12-19 03:32:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:32:02,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282 [2023-12-19 03:32:02,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:32:02,089 INFO L225 Difference]: With dead ends: 5287 [2023-12-19 03:32:02,089 INFO L226 Difference]: Without dead ends: 3061 [2023-12-19 03:32:02,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:02,092 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 121 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:32:02,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 49 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:32:02,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3061 states. [2023-12-19 03:32:02,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3061 to 2088. [2023-12-19 03:32:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 2087 states have (on average 1.1250598945855295) internal successors, (2348), 2087 states have internal predecessors, (2348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2348 transitions. [2023-12-19 03:32:02,125 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2348 transitions. Word has length 282 [2023-12-19 03:32:02,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:32:02,126 INFO L495 AbstractCegarLoop]: Abstraction has 2088 states and 2348 transitions. [2023-12-19 03:32:02,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2348 transitions. [2023-12-19 03:32:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-19 03:32:02,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:32:02,130 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:32:02,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-19 03:32:02,130 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:32:02,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:32:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1241970424, now seen corresponding path program 1 times [2023-12-19 03:32:02,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:32:02,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769908416] [2023-12-19 03:32:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:32:02,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:32:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:32:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-12-19 03:32:02,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:32:02,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769908416] [2023-12-19 03:32:02,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769908416] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:32:02,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:32:02,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:32:02,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958303997] [2023-12-19 03:32:02,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:32:02,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:32:02,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:32:02,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:32:02,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:02,266 INFO L87 Difference]: Start difference. First operand 2088 states and 2348 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:32:02,615 INFO L93 Difference]: Finished difference Result 5009 states and 5619 transitions. [2023-12-19 03:32:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:32:02,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 318 [2023-12-19 03:32:02,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:32:02,623 INFO L225 Difference]: With dead ends: 5009 [2023-12-19 03:32:02,623 INFO L226 Difference]: Without dead ends: 2088 [2023-12-19 03:32:02,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:02,627 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 120 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:32:02,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 222 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:32:02,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2023-12-19 03:32:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2088. [2023-12-19 03:32:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 2087 states have (on average 1.1188308576904649) internal successors, (2335), 2087 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2335 transitions. [2023-12-19 03:32:02,658 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2335 transitions. Word has length 318 [2023-12-19 03:32:02,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:32:02,658 INFO L495 AbstractCegarLoop]: Abstraction has 2088 states and 2335 transitions. [2023-12-19 03:32:02,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2335 transitions. [2023-12-19 03:32:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2023-12-19 03:32:02,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:32:02,663 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:32:02,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-19 03:32:02,663 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:32:02,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:32:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1139999542, now seen corresponding path program 1 times [2023-12-19 03:32:02,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:32:02,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793884328] [2023-12-19 03:32:02,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:32:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:32:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:32:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-19 03:32:02,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:32:02,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793884328] [2023-12-19 03:32:02,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793884328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 03:32:02,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 03:32:02,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 03:32:02,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240406240] [2023-12-19 03:32:02,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 03:32:02,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 03:32:02,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:32:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 03:32:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:02,871 INFO L87 Difference]: Start difference. First operand 2088 states and 2335 transitions. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:03,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:32:03,195 INFO L93 Difference]: Finished difference Result 4036 states and 4526 transitions. [2023-12-19 03:32:03,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 03:32:03,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2023-12-19 03:32:03,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:32:03,201 INFO L225 Difference]: With dead ends: 4036 [2023-12-19 03:32:03,201 INFO L226 Difference]: Without dead ends: 2088 [2023-12-19 03:32:03,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 03:32:03,203 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 03:32:03,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 207 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 03:32:03,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2023-12-19 03:32:03,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 2088. [2023-12-19 03:32:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 2087 states have (on average 1.0915189266890273) internal successors, (2278), 2087 states have internal predecessors, (2278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2278 transitions. [2023-12-19 03:32:03,228 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2278 transitions. Word has length 362 [2023-12-19 03:32:03,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:32:03,228 INFO L495 AbstractCegarLoop]: Abstraction has 2088 states and 2278 transitions. [2023-12-19 03:32:03,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2278 transitions. [2023-12-19 03:32:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2023-12-19 03:32:03,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 03:32:03,233 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:32:03,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-19 03:32:03,234 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 03:32:03,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 03:32:03,234 INFO L85 PathProgramCache]: Analyzing trace with hash 76098033, now seen corresponding path program 1 times [2023-12-19 03:32:03,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 03:32:03,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279572193] [2023-12-19 03:32:03,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:32:03,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 03:32:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:32:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 223 proven. 48 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-19 03:32:03,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 03:32:03,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279572193] [2023-12-19 03:32:03,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279572193] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-19 03:32:03,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592849881] [2023-12-19 03:32:03,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 03:32:03,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 03:32:03,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 03:32:03,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 03:32:03,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 03:32:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 03:32:03,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 03:32:03,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 03:32:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 197 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-19 03:32:05,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 03:32:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 197 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-19 03:32:06,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592849881] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 03:32:06,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-19 03:32:06,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2023-12-19 03:32:06,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305019545] [2023-12-19 03:32:06,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-19 03:32:06,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 03:32:06,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 03:32:06,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 03:32:06,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-19 03:32:06,868 INFO L87 Difference]: Start difference. First operand 2088 states and 2278 transitions. Second operand has 11 states, 11 states have (on average 35.63636363636363) internal successors, (392), 10 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:08,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 03:32:08,702 INFO L93 Difference]: Finished difference Result 6138 states and 6718 transitions. [2023-12-19 03:32:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-19 03:32:08,702 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 35.63636363636363) internal successors, (392), 10 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 372 [2023-12-19 03:32:08,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 03:32:08,703 INFO L225 Difference]: With dead ends: 6138 [2023-12-19 03:32:08,703 INFO L226 Difference]: Without dead ends: 0 [2023-12-19 03:32:08,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 757 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2023-12-19 03:32:08,709 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 973 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 2789 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 3269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 2789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-19 03:32:08,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 62 Invalid, 3269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 2789 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-19 03:32:08,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-19 03:32:08,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-19 03:32:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-19 03:32:08,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 372 [2023-12-19 03:32:08,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 03:32:08,710 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-19 03:32:08,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 35.63636363636363) internal successors, (392), 10 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 03:32:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-19 03:32:08,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-19 03:32:08,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 03:32:08,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 03:32:08,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-19 03:32:08,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,434 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,435 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-12-19 03:32:09,435 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-12-19 03:32:09,435 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-12-19 03:32:09,435 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-12-19 03:32:09,435 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-12-19 03:32:09,435 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-12-19 03:32:09,435 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-12-19 03:32:09,436 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,436 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,436 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-12-19 03:32:09,437 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-12-19 03:32:09,438 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-12-19 03:32:09,439 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 602) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-12-19 03:32:09,440 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-12-19 03:32:09,442 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-12-19 03:32:09,443 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-12-19 03:32:09,443 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-12-19 03:32:09,443 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-19 03:32:09,443 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-12-19 03:32:09,443 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse4 (= ~a19~0 9)) (.cse1 (= ~a10~0 4))) (let ((.cse10 (or (and .cse4 .cse1) (< 0 (+ ~a1~0 13)))) (.cse0 (<= ~a19~0 9)) (.cse9 (<= ~a1~0 36)) (.cse11 (<= ~a19~0 7)) (.cse8 (= ~a10~0 0)) (.cse12 (<= 9 ~a19~0)) (.cse5 (= ~a10~0 2)) (.cse7 (= ~a19~0 8)) (.cse6 (= ~a10~0 1)) (.cse2 (= 14 ~a4~0)) (.cse3 (= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse6 .cse2 .cse3 .cse7) (and .cse8 .cse9 .cse10 .cse2 .cse3) (and .cse0 .cse8 .cse10 .cse2 .cse3) (and .cse0 .cse9 .cse2 .cse5 .cse3) (and .cse2 .cse5 .cse11 .cse3) (and .cse9 .cse2 .cse11 .cse3) (and .cse6 .cse2 .cse3 .cse12) (and .cse8 (<= ~a1~0 23) .cse2 .cse3 .cse12) (and (<= 592098 ~a1~0) .cse2 .cse5 .cse3 .cse7) (and .cse4 (= ~a10~0 3) .cse2 .cse3) (and .cse6 (<= 219 ~a1~0) .cse2 .cse3)))) [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-12-19 03:32:09,444 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-12-19 03:32:09,445 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-12-19 03:32:09,448 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 03:32:09,449 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 03:32:09,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:32:09 BoogieIcfgContainer [2023-12-19 03:32:09,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 03:32:09,464 INFO L158 Benchmark]: Toolchain (without parser) took 16969.41ms. Allocated memory was 270.5MB in the beginning and 532.7MB in the end (delta: 262.1MB). Free memory was 216.4MB in the beginning and 281.9MB in the end (delta: -65.5MB). Peak memory consumption was 198.1MB. Max. memory is 8.0GB. [2023-12-19 03:32:09,464 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 03:32:09,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.66ms. Allocated memory is still 270.5MB. Free memory was 216.0MB in the beginning and 187.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-19 03:32:09,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.55ms. Allocated memory is still 270.5MB. Free memory was 187.7MB in the beginning and 179.7MB in the end (delta: 8.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-19 03:32:09,465 INFO L158 Benchmark]: Boogie Preprocessor took 130.32ms. Allocated memory is still 270.5MB. Free memory was 179.7MB in the beginning and 224.9MB in the end (delta: -45.2MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2023-12-19 03:32:09,465 INFO L158 Benchmark]: RCFGBuilder took 885.87ms. Allocated memory is still 270.5MB. Free memory was 224.4MB in the beginning and 134.7MB in the end (delta: 89.7MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. [2023-12-19 03:32:09,466 INFO L158 Benchmark]: TraceAbstraction took 15456.50ms. Allocated memory was 270.5MB in the beginning and 532.7MB in the end (delta: 262.1MB). Free memory was 134.2MB in the beginning and 281.9MB in the end (delta: -147.7MB). Peak memory consumption was 114.4MB. Max. memory is 8.0GB. [2023-12-19 03:32:09,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.66ms. Allocated memory is still 270.5MB. Free memory was 216.0MB in the beginning and 187.7MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.55ms. Allocated memory is still 270.5MB. Free memory was 187.7MB in the beginning and 179.7MB in the end (delta: 8.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 130.32ms. Allocated memory is still 270.5MB. Free memory was 179.7MB in the beginning and 224.9MB in the end (delta: -45.2MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * RCFGBuilder took 885.87ms. Allocated memory is still 270.5MB. Free memory was 224.4MB in the beginning and 134.7MB in the end (delta: 89.7MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. * TraceAbstraction took 15456.50ms. Allocated memory was 270.5MB in the beginning and 532.7MB in the end (delta: 262.1MB). Free memory was 134.2MB in the beginning and 281.9MB in the end (delta: -147.7MB). Peak memory consumption was 114.4MB. 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 - PositiveResult [Line: 80]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2232 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2232 mSDsluCounter, 1843 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 1101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8625 IncrementalHoareTripleChecker+Invalid, 9726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1101 mSolverCounterUnsat, 1726 mSDtfsCounter, 8625 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 976 GetRequests, 938 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2366occurred in iteration=11, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1807 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 41 NumberOfFragments, 205 HoareAnnotationTreeSize, 1 FormulaSimplifications, 1389 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 1 FormulaSimplificationsInter, 786 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 3470 NumberOfCodeBlocks, 3470 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3824 ConstructedInterpolants, 0 QuantifiedInterpolants, 19079 SizeOfPredicates, 7 NumberOfNonLiveVariables, 779 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 2765/3026 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((((((((((a19 <= 9) && (a10 == 4)) && (14 == a4)) && (a12 == 0)) || ((((a19 == 9) && (14 == a4)) && (a10 == 2)) && (a12 == 0))) || ((((a10 == 1) && (14 == a4)) && (a12 == 0)) && (a19 == 8))) || (((((a10 == 0) && (a1 <= 36)) && (((a19 == 9) && (a10 == 4)) || (0 < (a1 + 13)))) && (14 == a4)) && (a12 == 0))) || (((((a19 <= 9) && (a10 == 0)) && (((a19 == 9) && (a10 == 4)) || (0 < (a1 + 13)))) && (14 == a4)) && (a12 == 0))) || (((((a19 <= 9) && (a1 <= 36)) && (14 == a4)) && (a10 == 2)) && (a12 == 0))) || ((((14 == a4) && (a10 == 2)) && (a19 <= 7)) && (a12 == 0))) || ((((a1 <= 36) && (14 == a4)) && (a19 <= 7)) && (a12 == 0))) || ((((a10 == 1) && (14 == a4)) && (a12 == 0)) && (9 <= a19))) || (((((a10 == 0) && (a1 <= 23)) && (14 == a4)) && (a12 == 0)) && (9 <= a19))) || (((((592098 <= a1) && (14 == a4)) && (a10 == 2)) && (a12 == 0)) && (a19 == 8))) || ((((a19 == 9) && (a10 == 3)) && (14 == a4)) && (a12 == 0))) || ((((a10 == 1) && (219 <= a1)) && (14 == a4)) && (a12 == 0))) RESULT: Ultimate proved your program to be correct! [2023-12-19 03:32:09,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...