/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 16:39:36,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 16:39:36,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 16:39:36,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 16:39:36,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 16:39:36,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 16:39:36,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 16:39:36,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 16:39:36,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 16:39:36,790 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 16:39:36,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 16:39:36,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 16:39:36,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 16:39:36,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 16:39:36,793 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 16:39:36,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 16:39:36,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 16:39:36,793 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 16:39:36,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 16:39:36,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 16:39:36,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 16:39:36,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 16:39:36,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 16:39:36,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 16:39:36,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 16:39:36,794 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 16:39:36,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 16:39:36,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 16:39:36,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 16:39:36,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 16:39:36,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 16:39:36,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 16:39:36,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 16:39:36,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 16:39:36,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 16:39:36,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 16:39:36,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 16:39:36,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 16:39:36,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 16:39:36,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 16:39:36,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 16:39:36,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 16:39:36,797 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 16:39:36,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 16:39:37,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 16:39:37,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 16:39:37,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 16:39:37,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 16:39:37,031 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 16:39:37,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label07.c [2023-12-20 16:39:38,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 16:39:38,488 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 16:39:38,489 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label07.c [2023-12-20 16:39:38,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7260e9d28/a46c7843e7944d8fa08e5cafc4a471ae/FLAG1be3bbefe [2023-12-20 16:39:38,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7260e9d28/a46c7843e7944d8fa08e5cafc4a471ae [2023-12-20 16:39:38,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 16:39:38,523 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 16:39:38,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 16:39:38,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 16:39:38,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 16:39:38,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 04:39:38" (1/1) ... [2023-12-20 16:39:38,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab2d45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:38, skipping insertion in model container [2023-12-20 16:39:38,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 04:39:38" (1/1) ... [2023-12-20 16:39:38,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 16:39:38,794 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/Problem11_label07.c[3406,3419] [2023-12-20 16:39:39,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 16:39:39,166 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 16:39:39,189 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/Problem11_label07.c[3406,3419] [2023-12-20 16:39:39,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 16:39:39,341 INFO L206 MainTranslator]: Completed translation [2023-12-20 16:39:39,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39 WrapperNode [2023-12-20 16:39:39,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 16:39:39,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 16:39:39,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 16:39:39,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 16:39:39,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,446 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-20 16:39:39,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 16:39:39,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 16:39:39,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 16:39:39,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 16:39:39,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,522 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]. [2023-12-20 16:39:39,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 16:39:39,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 16:39:39,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 16:39:39,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 16:39:39,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (1/1) ... [2023-12-20 16:39:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 16:39:39,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 16:39:39,617 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) [2023-12-20 16:39:39,641 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 [2023-12-20 16:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 16:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 16:39:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 16:39:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 16:39:39,711 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 16:39:39,712 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 16:39:40,931 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 16:39:40,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 16:39:40,996 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 16:39:40,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 04:39:40 BoogieIcfgContainer [2023-12-20 16:39:40,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 16:39:40,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 16:39:40,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 16:39:41,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 16:39:41,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 04:39:38" (1/3) ... [2023-12-20 16:39:41,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce25d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 04:39:41, skipping insertion in model container [2023-12-20 16:39:41,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 04:39:39" (2/3) ... [2023-12-20 16:39:41,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce25d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 04:39:41, skipping insertion in model container [2023-12-20 16:39:41,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 04:39:40" (3/3) ... [2023-12-20 16:39:41,016 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label07.c [2023-12-20 16:39:41,036 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 16:39:41,036 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 16:39:41,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 16:39:41,143 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;@34d03587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 16:39:41,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 16:39:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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) [2023-12-20 16:39:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-20 16:39:41,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:41,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:41,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:41,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:41,160 INFO L85 PathProgramCache]: Analyzing trace with hash 160569091, now seen corresponding path program 1 times [2023-12-20 16:39:41,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:41,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006473292] [2023-12-20 16:39:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:41,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:41,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:41,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006473292] [2023-12-20 16:39:41,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006473292] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:41,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:41,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 16:39:41,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545827912] [2023-12-20 16:39:41,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:41,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 16:39:41,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:41,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 16:39:41,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 16:39:41,359 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 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 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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) [2023-12-20 16:39:41,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:41,412 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-12-20 16:39:41,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 16:39:41,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2023-12-20 16:39:41,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:41,427 INFO L225 Difference]: With dead ends: 441 [2023-12-20 16:39:41,427 INFO L226 Difference]: Without dead ends: 219 [2023-12-20 16:39:41,430 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 [2023-12-20 16:39:41,434 INFO L413 NwaCegarLoop]: 355 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, 355 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 [2023-12-20 16:39:41,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 16:39:41,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-20 16:39:41,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-20 16:39:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 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) [2023-12-20 16:39:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-12-20 16:39:41,481 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 22 [2023-12-20 16:39:41,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:41,481 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-12-20 16:39:41,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 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) [2023-12-20 16:39:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-12-20 16:39:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-20 16:39:41,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:41,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:41,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 16:39:41,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:41,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:41,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1735526354, now seen corresponding path program 1 times [2023-12-20 16:39:41,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:41,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498655224] [2023-12-20 16:39:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:41,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:41,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:41,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498655224] [2023-12-20 16:39:41,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498655224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:41,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:41,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 16:39:41,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974154635] [2023-12-20 16:39:41,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:41,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:41,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:41,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:41,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:41,600 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2023-12-20 16:39:42,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:42,379 INFO L93 Difference]: Finished difference Result 630 states and 1026 transitions. [2023-12-20 16:39:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:42,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2023-12-20 16:39:42,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:42,384 INFO L225 Difference]: With dead ends: 630 [2023-12-20 16:39:42,384 INFO L226 Difference]: Without dead ends: 412 [2023-12-20 16:39:42,388 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 [2023-12-20 16:39:42,389 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 201 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:42,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 155 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-20 16:39:42,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-12-20 16:39:42,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-12-20 16:39:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.4549878345498783) internal successors, (598), 411 states have internal predecessors, (598), 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) [2023-12-20 16:39:42,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 598 transitions. [2023-12-20 16:39:42,409 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 598 transitions. Word has length 22 [2023-12-20 16:39:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:42,409 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 598 transitions. [2023-12-20 16:39:42,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2023-12-20 16:39:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 598 transitions. [2023-12-20 16:39:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-20 16:39:42,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:42,411 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:42,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 16:39:42,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:42,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:42,412 INFO L85 PathProgramCache]: Analyzing trace with hash 866011541, now seen corresponding path program 1 times [2023-12-20 16:39:42,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:42,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959174274] [2023-12-20 16:39:42,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:42,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:42,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:42,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959174274] [2023-12-20 16:39:42,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959174274] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:42,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:42,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 16:39:42,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768224400] [2023-12-20 16:39:42,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:42,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:42,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:42,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:42,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:42,555 INFO L87 Difference]: Start difference. First operand 412 states and 598 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-12-20 16:39:43,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:43,234 INFO L93 Difference]: Finished difference Result 1210 states and 1762 transitions. [2023-12-20 16:39:43,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:43,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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 90 [2023-12-20 16:39:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:43,237 INFO L225 Difference]: With dead ends: 1210 [2023-12-20 16:39:43,237 INFO L226 Difference]: Without dead ends: 799 [2023-12-20 16:39:43,238 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 [2023-12-20 16:39:43,239 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:43,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 118 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:43,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-12-20 16:39:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 788. [2023-12-20 16:39:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 787 states have (on average 1.3748411689961881) internal successors, (1082), 787 states have internal predecessors, (1082), 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) [2023-12-20 16:39:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1082 transitions. [2023-12-20 16:39:43,279 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1082 transitions. Word has length 90 [2023-12-20 16:39:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:43,279 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1082 transitions. [2023-12-20 16:39:43,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2023-12-20 16:39:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1082 transitions. [2023-12-20 16:39:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-20 16:39:43,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:43,283 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:43,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 16:39:43,283 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:43,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:43,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1391030118, now seen corresponding path program 1 times [2023-12-20 16:39:43,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:43,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341837111] [2023-12-20 16:39:43,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:43,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:43,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:43,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341837111] [2023-12-20 16:39:43,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341837111] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:43,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:43,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 16:39:43,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774530449] [2023-12-20 16:39:43,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:43,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:43,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:43,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:43,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:43,498 INFO L87 Difference]: Start difference. First operand 788 states and 1082 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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) [2023-12-20 16:39:44,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:44,117 INFO L93 Difference]: Finished difference Result 1944 states and 2611 transitions. [2023-12-20 16:39:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:44,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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 92 [2023-12-20 16:39:44,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:44,123 INFO L225 Difference]: With dead ends: 1944 [2023-12-20 16:39:44,123 INFO L226 Difference]: Without dead ends: 1157 [2023-12-20 16:39:44,128 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 [2023-12-20 16:39:44,132 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:44,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 188 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2023-12-20 16:39:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2023-12-20 16:39:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.270995670995671) internal successors, (1468), 1155 states have internal predecessors, (1468), 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) [2023-12-20 16:39:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1468 transitions. [2023-12-20 16:39:44,163 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1468 transitions. Word has length 92 [2023-12-20 16:39:44,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:44,164 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1468 transitions. [2023-12-20 16:39:44,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 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) [2023-12-20 16:39:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1468 transitions. [2023-12-20 16:39:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-20 16:39:44,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:44,169 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:44,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 16:39:44,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:44,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:44,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1067975776, now seen corresponding path program 1 times [2023-12-20 16:39:44,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:44,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295286717] [2023-12-20 16:39:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:44,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:44,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:44,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295286717] [2023-12-20 16:39:44,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295286717] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:44,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:44,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:44,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269833066] [2023-12-20 16:39:44,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:44,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:44,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:44,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:44,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:44,312 INFO L87 Difference]: Start difference. First operand 1156 states and 1468 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2023-12-20 16:39:44,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:44,982 INFO L93 Difference]: Finished difference Result 2518 states and 3348 transitions. [2023-12-20 16:39:44,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:44,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 149 [2023-12-20 16:39:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:44,986 INFO L225 Difference]: With dead ends: 2518 [2023-12-20 16:39:44,986 INFO L226 Difference]: Without dead ends: 1547 [2023-12-20 16:39:44,987 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 [2023-12-20 16:39:44,988 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 212 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:44,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 319 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:44,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2023-12-20 16:39:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1544. [2023-12-20 16:39:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1543 states have (on average 1.2935839274141283) internal successors, (1996), 1543 states have internal predecessors, (1996), 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) [2023-12-20 16:39:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 1996 transitions. [2023-12-20 16:39:45,007 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 1996 transitions. Word has length 149 [2023-12-20 16:39:45,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:45,008 INFO L495 AbstractCegarLoop]: Abstraction has 1544 states and 1996 transitions. [2023-12-20 16:39:45,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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) [2023-12-20 16:39:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 1996 transitions. [2023-12-20 16:39:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-20 16:39:45,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:45,010 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:45,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 16:39:45,010 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:45,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:45,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1522323069, now seen corresponding path program 1 times [2023-12-20 16:39:45,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:45,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202723918] [2023-12-20 16:39:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:45,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-20 16:39:45,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202723918] [2023-12-20 16:39:45,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202723918] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:45,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:45,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:45,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167979339] [2023-12-20 16:39:45,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:45,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:45,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:45,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:45,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:45,170 INFO L87 Difference]: Start difference. First operand 1544 states and 1996 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2023-12-20 16:39:45,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:45,858 INFO L93 Difference]: Finished difference Result 3649 states and 4814 transitions. [2023-12-20 16:39:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:45,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 204 [2023-12-20 16:39:45,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:45,880 INFO L225 Difference]: With dead ends: 3649 [2023-12-20 16:39:45,880 INFO L226 Difference]: Without dead ends: 2290 [2023-12-20 16:39:45,882 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 [2023-12-20 16:39:45,883 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 174 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:45,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 389 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:45,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2023-12-20 16:39:45,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2097. [2023-12-20 16:39:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2097 states, 2096 states have (on average 1.2676526717557253) internal successors, (2657), 2096 states have internal predecessors, (2657), 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) [2023-12-20 16:39:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 2657 transitions. [2023-12-20 16:39:45,919 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 2657 transitions. Word has length 204 [2023-12-20 16:39:45,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:45,920 INFO L495 AbstractCegarLoop]: Abstraction has 2097 states and 2657 transitions. [2023-12-20 16:39:45,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2023-12-20 16:39:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2657 transitions. [2023-12-20 16:39:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-20 16:39:45,923 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:45,923 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:45,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 16:39:45,923 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:45,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1740752204, now seen corresponding path program 1 times [2023-12-20 16:39:45,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:45,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078039817] [2023-12-20 16:39:45,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:45,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-20 16:39:46,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:46,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078039817] [2023-12-20 16:39:46,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078039817] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 16:39:46,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566897385] [2023-12-20 16:39:46,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:46,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 16:39:46,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 16:39:46,268 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) [2023-12-20 16:39:46,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 16:39:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:46,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 16:39:46,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 16:39:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-20 16:39:46,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 16:39:46,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566897385] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:46,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 16:39:46,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 16:39:46,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380526157] [2023-12-20 16:39:46,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:46,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:46,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:46,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:46,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-20 16:39:46,432 INFO L87 Difference]: Start difference. First operand 2097 states and 2657 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2023-12-20 16:39:47,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:47,173 INFO L93 Difference]: Finished difference Result 4939 states and 6326 transitions. [2023-12-20 16:39:47,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:47,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 210 [2023-12-20 16:39:47,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:47,181 INFO L225 Difference]: With dead ends: 4939 [2023-12-20 16:39:47,181 INFO L226 Difference]: Without dead ends: 2843 [2023-12-20 16:39:47,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-20 16:39:47,184 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 173 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:47,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 388 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 16:39:47,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2023-12-20 16:39:47,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2834. [2023-12-20 16:39:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2833 states have (on average 1.2400282386163077) internal successors, (3513), 2833 states have internal predecessors, (3513), 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) [2023-12-20 16:39:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3513 transitions. [2023-12-20 16:39:47,221 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3513 transitions. Word has length 210 [2023-12-20 16:39:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:47,221 INFO L495 AbstractCegarLoop]: Abstraction has 2834 states and 3513 transitions. [2023-12-20 16:39:47,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2023-12-20 16:39:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3513 transitions. [2023-12-20 16:39:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-20 16:39:47,223 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:47,224 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-12-20 16:39:47,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 16:39:47,428 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 [2023-12-20 16:39:47,429 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:47,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:47,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2110739486, now seen corresponding path program 1 times [2023-12-20 16:39:47,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:47,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265547836] [2023-12-20 16:39:47,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:47,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:47,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:47,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265547836] [2023-12-20 16:39:47,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265547836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:47,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:47,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:47,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584210698] [2023-12-20 16:39:47,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:47,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 16:39:47,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:47,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 16:39:47,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 16:39:47,676 INFO L87 Difference]: Start difference. First operand 2834 states and 3513 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 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) [2023-12-20 16:39:48,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:48,825 INFO L93 Difference]: Finished difference Result 9388 states and 11844 transitions. [2023-12-20 16:39:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 16:39:48,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 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 249 [2023-12-20 16:39:48,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:48,843 INFO L225 Difference]: With dead ends: 9388 [2023-12-20 16:39:48,843 INFO L226 Difference]: Without dead ends: 6555 [2023-12-20 16:39:48,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 16:39:48,848 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 264 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:48,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 94 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 16:39:48,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6555 states. [2023-12-20 16:39:48,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6555 to 6551. [2023-12-20 16:39:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6551 states, 6550 states have (on average 1.24) internal successors, (8122), 6550 states have internal predecessors, (8122), 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) [2023-12-20 16:39:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6551 states to 6551 states and 8122 transitions. [2023-12-20 16:39:48,932 INFO L78 Accepts]: Start accepts. Automaton has 6551 states and 8122 transitions. Word has length 249 [2023-12-20 16:39:48,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:48,932 INFO L495 AbstractCegarLoop]: Abstraction has 6551 states and 8122 transitions. [2023-12-20 16:39:48,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 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) [2023-12-20 16:39:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 6551 states and 8122 transitions. [2023-12-20 16:39:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-20 16:39:48,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:48,936 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 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] [2023-12-20 16:39:48,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 16:39:48,937 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:48,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:48,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1639653706, now seen corresponding path program 1 times [2023-12-20 16:39:48,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:48,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861471339] [2023-12-20 16:39:48,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:48,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-20 16:39:49,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:49,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861471339] [2023-12-20 16:39:49,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861471339] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:49,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:49,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:49,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263666873] [2023-12-20 16:39:49,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:49,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:49,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:49,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:49,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:49,123 INFO L87 Difference]: Start difference. First operand 6551 states and 8122 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2023-12-20 16:39:49,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:49,817 INFO L93 Difference]: Finished difference Result 12753 states and 15901 transitions. [2023-12-20 16:39:49,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:49,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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 281 [2023-12-20 16:39:49,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:49,833 INFO L225 Difference]: With dead ends: 12753 [2023-12-20 16:39:49,833 INFO L226 Difference]: Without dead ends: 6571 [2023-12-20 16:39:49,840 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 [2023-12-20 16:39:49,841 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 137 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:49,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 342 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:49,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6571 states. [2023-12-20 16:39:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6367. [2023-12-20 16:39:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6367 states, 6366 states have (on average 1.1941564561734213) internal successors, (7602), 6366 states have internal predecessors, (7602), 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) [2023-12-20 16:39:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6367 states to 6367 states and 7602 transitions. [2023-12-20 16:39:49,922 INFO L78 Accepts]: Start accepts. Automaton has 6367 states and 7602 transitions. Word has length 281 [2023-12-20 16:39:49,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:49,922 INFO L495 AbstractCegarLoop]: Abstraction has 6367 states and 7602 transitions. [2023-12-20 16:39:49,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2023-12-20 16:39:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6367 states and 7602 transitions. [2023-12-20 16:39:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-20 16:39:49,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:49,926 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 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] [2023-12-20 16:39:49,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 16:39:49,927 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:49,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:49,927 INFO L85 PathProgramCache]: Analyzing trace with hash 670602218, now seen corresponding path program 1 times [2023-12-20 16:39:49,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:49,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910998024] [2023-12-20 16:39:49,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:49,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-20 16:39:50,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:50,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910998024] [2023-12-20 16:39:50,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910998024] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:50,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:50,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:50,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371007807] [2023-12-20 16:39:50,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:50,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:50,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:50,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:50,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:50,051 INFO L87 Difference]: Start difference. First operand 6367 states and 7602 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2023-12-20 16:39:50,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:50,648 INFO L93 Difference]: Finished difference Result 11960 states and 14348 transitions. [2023-12-20 16:39:50,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:50,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 [2023-12-20 16:39:50,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:50,673 INFO L225 Difference]: With dead ends: 11960 [2023-12-20 16:39:50,673 INFO L226 Difference]: Without dead ends: 5962 [2023-12-20 16:39:50,677 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 [2023-12-20 16:39:50,678 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 160 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:50,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 148 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 16:39:50,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2023-12-20 16:39:50,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 5776. [2023-12-20 16:39:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5776 states, 5775 states have (on average 1.143030303030303) internal successors, (6601), 5775 states have internal predecessors, (6601), 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) [2023-12-20 16:39:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5776 states to 5776 states and 6601 transitions. [2023-12-20 16:39:50,752 INFO L78 Accepts]: Start accepts. Automaton has 5776 states and 6601 transitions. Word has length 282 [2023-12-20 16:39:50,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:50,752 INFO L495 AbstractCegarLoop]: Abstraction has 5776 states and 6601 transitions. [2023-12-20 16:39:50,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2023-12-20 16:39:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 5776 states and 6601 transitions. [2023-12-20 16:39:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-12-20 16:39:50,756 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:50,756 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 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] [2023-12-20 16:39:50,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 16:39:50,757 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:50,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:50,757 INFO L85 PathProgramCache]: Analyzing trace with hash -335823825, now seen corresponding path program 1 times [2023-12-20 16:39:50,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:50,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060064326] [2023-12-20 16:39:50,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-12-20 16:39:50,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:50,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060064326] [2023-12-20 16:39:50,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060064326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:50,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:50,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:50,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355025659] [2023-12-20 16:39:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:50,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:50,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:50,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:50,879 INFO L87 Difference]: Start difference. First operand 5776 states and 6601 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-12-20 16:39:51,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:51,745 INFO L93 Difference]: Finished difference Result 15047 states and 17293 transitions. [2023-12-20 16:39:51,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:51,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 287 [2023-12-20 16:39:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:51,759 INFO L225 Difference]: With dead ends: 15047 [2023-12-20 16:39:51,759 INFO L226 Difference]: Without dead ends: 9640 [2023-12-20 16:39:51,781 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 [2023-12-20 16:39:51,781 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 183 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:51,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 344 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-20 16:39:51,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9640 states. [2023-12-20 16:39:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9640 to 9640. [2023-12-20 16:39:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9640 states, 9639 states have (on average 1.1198257080610021) internal successors, (10794), 9639 states have internal predecessors, (10794), 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) [2023-12-20 16:39:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9640 states to 9640 states and 10794 transitions. [2023-12-20 16:39:51,887 INFO L78 Accepts]: Start accepts. Automaton has 9640 states and 10794 transitions. Word has length 287 [2023-12-20 16:39:51,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:51,887 INFO L495 AbstractCegarLoop]: Abstraction has 9640 states and 10794 transitions. [2023-12-20 16:39:51,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-12-20 16:39:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 9640 states and 10794 transitions. [2023-12-20 16:39:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-20 16:39:51,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:51,894 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 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] [2023-12-20 16:39:51,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 16:39:51,895 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:51,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1549765189, now seen corresponding path program 1 times [2023-12-20 16:39:51,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:51,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188685580] [2023-12-20 16:39:51,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:51,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-20 16:39:52,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:52,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188685580] [2023-12-20 16:39:52,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188685580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:52,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:52,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:52,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340569674] [2023-12-20 16:39:52,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:52,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:52,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:52,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:52,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:52,084 INFO L87 Difference]: Start difference. First operand 9640 states and 10794 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-12-20 16:39:52,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:52,749 INFO L93 Difference]: Finished difference Result 19458 states and 21826 transitions. [2023-12-20 16:39:52,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:52,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 315 [2023-12-20 16:39:52,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:52,765 INFO L225 Difference]: With dead ends: 19458 [2023-12-20 16:39:52,765 INFO L226 Difference]: Without dead ends: 11295 [2023-12-20 16:39:52,773 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 [2023-12-20 16:39:52,774 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 195 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:52,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 149 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11295 states. [2023-12-20 16:39:52,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11295 to 7423. [2023-12-20 16:39:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7423 states, 7422 states have (on average 1.1226084613311775) internal successors, (8332), 7422 states have internal predecessors, (8332), 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) [2023-12-20 16:39:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7423 states to 7423 states and 8332 transitions. [2023-12-20 16:39:52,869 INFO L78 Accepts]: Start accepts. Automaton has 7423 states and 8332 transitions. Word has length 315 [2023-12-20 16:39:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:52,870 INFO L495 AbstractCegarLoop]: Abstraction has 7423 states and 8332 transitions. [2023-12-20 16:39:52,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2023-12-20 16:39:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7423 states and 8332 transitions. [2023-12-20 16:39:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-12-20 16:39:52,875 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:52,875 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:52,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 16:39:52,875 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:52,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:52,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1701592494, now seen corresponding path program 1 times [2023-12-20 16:39:52,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:52,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76966564] [2023-12-20 16:39:52,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:52,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:53,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:53,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76966564] [2023-12-20 16:39:53,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76966564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:53,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:53,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 16:39:53,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421275854] [2023-12-20 16:39:53,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:53,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:53,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:53,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:53,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 16:39:53,171 INFO L87 Difference]: Start difference. First operand 7423 states and 8332 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-12-20 16:39:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:53,847 INFO L93 Difference]: Finished difference Result 17606 states and 19806 transitions. [2023-12-20 16:39:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:53,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 324 [2023-12-20 16:39:53,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:53,862 INFO L225 Difference]: With dead ends: 17606 [2023-12-20 16:39:53,862 INFO L226 Difference]: Without dead ends: 10552 [2023-12-20 16:39:53,870 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 [2023-12-20 16:39:53,871 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 58 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:53,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 69 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:53,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10552 states. [2023-12-20 16:39:53,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10552 to 10547. [2023-12-20 16:39:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10547 states, 10546 states have (on average 1.1107528920917884) internal successors, (11714), 10546 states have internal predecessors, (11714), 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) [2023-12-20 16:39:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10547 states to 10547 states and 11714 transitions. [2023-12-20 16:39:53,978 INFO L78 Accepts]: Start accepts. Automaton has 10547 states and 11714 transitions. Word has length 324 [2023-12-20 16:39:53,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:53,978 INFO L495 AbstractCegarLoop]: Abstraction has 10547 states and 11714 transitions. [2023-12-20 16:39:53,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-12-20 16:39:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 10547 states and 11714 transitions. [2023-12-20 16:39:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-12-20 16:39:53,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:53,985 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2023-12-20 16:39:53,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 16:39:53,985 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:53,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:53,985 INFO L85 PathProgramCache]: Analyzing trace with hash -118371188, now seen corresponding path program 1 times [2023-12-20 16:39:53,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:53,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528840646] [2023-12-20 16:39:53,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:53,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 16:39:54,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:54,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528840646] [2023-12-20 16:39:54,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528840646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:54,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:54,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 16:39:54,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601120885] [2023-12-20 16:39:54,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:54,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 16:39:54,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:54,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 16:39:54,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 16:39:54,282 INFO L87 Difference]: Start difference. First operand 10547 states and 11714 transitions. Second operand has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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) [2023-12-20 16:39:55,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:55,305 INFO L93 Difference]: Finished difference Result 23856 states and 26560 transitions. [2023-12-20 16:39:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 16:39:55,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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 327 [2023-12-20 16:39:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:55,325 INFO L225 Difference]: With dead ends: 23856 [2023-12-20 16:39:55,325 INFO L226 Difference]: Without dead ends: 13678 [2023-12-20 16:39:55,334 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 [2023-12-20 16:39:55,334 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 261 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:55,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 56 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 16:39:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13678 states. [2023-12-20 16:39:55,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13678 to 12755. [2023-12-20 16:39:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12755 states, 12754 states have (on average 1.095342637603889) internal successors, (13970), 12754 states have internal predecessors, (13970), 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) [2023-12-20 16:39:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12755 states to 12755 states and 13970 transitions. [2023-12-20 16:39:55,485 INFO L78 Accepts]: Start accepts. Automaton has 12755 states and 13970 transitions. Word has length 327 [2023-12-20 16:39:55,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:55,485 INFO L495 AbstractCegarLoop]: Abstraction has 12755 states and 13970 transitions. [2023-12-20 16:39:55,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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) [2023-12-20 16:39:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12755 states and 13970 transitions. [2023-12-20 16:39:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-12-20 16:39:55,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:55,496 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:39:55,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 16:39:55,496 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:55,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:55,496 INFO L85 PathProgramCache]: Analyzing trace with hash 2001988320, now seen corresponding path program 1 times [2023-12-20 16:39:55,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:55,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123347200] [2023-12-20 16:39:55,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:55,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-12-20 16:39:55,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123347200] [2023-12-20 16:39:55,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123347200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:55,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 16:39:55,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 16:39:55,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156330474] [2023-12-20 16:39:55,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:55,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 16:39:55,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:55,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 16:39:55,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 16:39:55,858 INFO L87 Difference]: Start difference. First operand 12755 states and 13970 transitions. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 16:39:56,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:56,894 INFO L93 Difference]: Finished difference Result 27168 states and 29816 transitions. [2023-12-20 16:39:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 16:39:56,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2023-12-20 16:39:56,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:56,916 INFO L225 Difference]: With dead ends: 27168 [2023-12-20 16:39:56,916 INFO L226 Difference]: Without dead ends: 14782 [2023-12-20 16:39:56,927 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 [2023-12-20 16:39:56,927 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 278 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:56,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 56 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 16:39:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14782 states. [2023-12-20 16:39:57,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14782 to 12755. [2023-12-20 16:39:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12755 states, 12754 states have (on average 1.095342637603889) internal successors, (13970), 12754 states have internal predecessors, (13970), 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) [2023-12-20 16:39:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12755 states to 12755 states and 13970 transitions. [2023-12-20 16:39:57,159 INFO L78 Accepts]: Start accepts. Automaton has 12755 states and 13970 transitions. Word has length 401 [2023-12-20 16:39:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:57,164 INFO L495 AbstractCegarLoop]: Abstraction has 12755 states and 13970 transitions. [2023-12-20 16:39:57,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 16:39:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 12755 states and 13970 transitions. [2023-12-20 16:39:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2023-12-20 16:39:57,184 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 16:39:57,184 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2023-12-20 16:39:57,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 16:39:57,185 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 16:39:57,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 16:39:57,186 INFO L85 PathProgramCache]: Analyzing trace with hash 29188122, now seen corresponding path program 1 times [2023-12-20 16:39:57,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 16:39:57,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071711498] [2023-12-20 16:39:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 16:39:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1521 proven. 52 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2023-12-20 16:39:58,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 16:39:58,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071711498] [2023-12-20 16:39:58,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071711498] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 16:39:58,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130796777] [2023-12-20 16:39:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 16:39:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 16:39:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 16:39:58,425 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) [2023-12-20 16:39:58,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 16:39:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 16:39:58,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 16:39:58,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 16:39:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1573 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2023-12-20 16:39:58,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 16:39:58,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130796777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 16:39:58,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 16:39:58,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-20 16:39:58,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030206613] [2023-12-20 16:39:58,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 16:39:58,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 16:39:58,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 16:39:58,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 16:39:58,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-20 16:39:58,898 INFO L87 Difference]: Start difference. First operand 12755 states and 13970 transitions. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 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) [2023-12-20 16:39:59,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 16:39:59,574 INFO L93 Difference]: Finished difference Result 24769 states and 27158 transitions. [2023-12-20 16:39:59,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 16:39:59,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 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 894 [2023-12-20 16:39:59,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 16:39:59,575 INFO L225 Difference]: With dead ends: 24769 [2023-12-20 16:39:59,575 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 16:39:59,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 898 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-20 16:39:59,586 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 66 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 16:39:59,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 114 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 16:39:59,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 16:39:59,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 16:39:59,587 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) [2023-12-20 16:39:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 16:39:59,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 894 [2023-12-20 16:39:59,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 16:39:59,587 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 16:39:59,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 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) [2023-12-20 16:39:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 16:39:59,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 16:39:59,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 16:39:59,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 16:39:59,796 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,SelfDestructingSolverStorable15 [2023-12-20 16:39:59,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 16:40:01,195 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,196 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-12-20 16:40:01,197 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,198 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (= ~a25~0 11)) (.cse5 (<= 246 ~a29~0)) (.cse7 (<= ~a29~0 599999)) (.cse6 (<= ~a29~0 140)) (.cse8 (<= ~a25~0 10)) (.cse0 (<= ~a29~0 599998)) (.cse1 (= ~a4~0 1)) (.cse10 (<= 13 ~a25~0)) (.cse2 (= ~a4~0 0)) (.cse9 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a23~0 312))) (or (and (<= 307 ~a23~0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4) (and .cse3 .cse7 .cse1) (and .cse2 .cse8 .cse0 .cse4 .cse5) (and .cse2 .cse9 .cse8) (and (<= (+ ~a29~0 21) 0) .cse1) (and (= ~a25~0 12) .cse2 .cse0) (and .cse8 .cse7 .cse1) (and .cse2 (<= ~a29~0 274) .cse4 .cse5) (and .cse7 (<= (+ ~a23~0 599772) 0) .cse1 .cse10) (and .cse6 .cse2 .cse8 .cse4) (and .cse0 .cse1 .cse10) (and .cse2 .cse9 .cse4))) [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,199 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,200 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,201 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,202 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,203 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,204 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,205 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,206 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,207 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,208 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,209 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-12-20 16:40:01,209 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-12-20 16:40:01,209 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,209 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,209 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-12-20 16:40:01,212 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 16:40:01,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 16:40:01,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 04:40:01 BoogieIcfgContainer [2023-12-20 16:40:01,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 16:40:01,225 INFO L158 Benchmark]: Toolchain (without parser) took 22702.34ms. Allocated memory was 289.4MB in the beginning and 829.4MB in the end (delta: 540.0MB). Free memory was 234.2MB in the beginning and 512.2MB in the end (delta: -278.1MB). Peak memory consumption was 438.8MB. Max. memory is 8.0GB. [2023-12-20 16:40:01,225 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 16:40:01,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 818.63ms. Allocated memory is still 289.4MB. Free memory was 234.2MB in the beginning and 245.3MB in the end (delta: -11.1MB). Peak memory consumption was 47.5MB. Max. memory is 8.0GB. [2023-12-20 16:40:01,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.50ms. Allocated memory is still 289.4MB. Free memory was 244.8MB in the beginning and 227.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-20 16:40:01,226 INFO L158 Benchmark]: Boogie Preprocessor took 147.62ms. Allocated memory is still 289.4MB. Free memory was 227.5MB in the beginning and 202.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-20 16:40:01,226 INFO L158 Benchmark]: RCFGBuilder took 1401.97ms. Allocated memory is still 289.4MB. Free memory was 202.3MB in the beginning and 124.1MB in the end (delta: 78.2MB). Peak memory consumption was 78.7MB. Max. memory is 8.0GB. [2023-12-20 16:40:01,226 INFO L158 Benchmark]: TraceAbstraction took 20226.33ms. Allocated memory was 289.4MB in the beginning and 829.4MB in the end (delta: 540.0MB). Free memory was 123.6MB in the beginning and 512.2MB in the end (delta: -388.6MB). Peak memory consumption was 327.2MB. Max. memory is 8.0GB. [2023-12-20 16:40:01,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 818.63ms. Allocated memory is still 289.4MB. Free memory was 234.2MB in the beginning and 245.3MB in the end (delta: -11.1MB). Peak memory consumption was 47.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 103.50ms. Allocated memory is still 289.4MB. Free memory was 244.8MB in the beginning and 227.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 147.62ms. Allocated memory is still 289.4MB. Free memory was 227.5MB in the beginning and 202.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1401.97ms. Allocated memory is still 289.4MB. Free memory was 202.3MB in the beginning and 124.1MB in the end (delta: 78.2MB). Peak memory consumption was 78.7MB. Max. memory is 8.0GB. * TraceAbstraction took 20226.33ms. Allocated memory was 289.4MB in the beginning and 829.4MB in the end (delta: 540.0MB). Free memory was 123.6MB in the beginning and 512.2MB in the end (delta: -388.6MB). Peak memory consumption was 327.2MB. 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: 85]: 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, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2623 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2623 mSDsluCounter, 3284 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 362 mSDsCounter, 1767 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9588 IncrementalHoareTripleChecker+Invalid, 11355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1767 mSolverCounterUnsat, 2922 mSDtfsCounter, 9588 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1151 GetRequests, 1126 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12755occurred in iteration=14, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 7438 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 68 NumberOfFragments, 170 HoareAnnotationTreeSize, 1 FormulaSimplifications, 908 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 1 FormulaSimplificationsInter, 2131 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 5253 NumberOfCodeBlocks, 5253 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5235 ConstructedInterpolants, 0 QuantifiedInterpolants, 16313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1451 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 7059/7127 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((307 <= a23) && (a29 <= 599998)) && (a4 == 1)) || (((((a4 == 0) && (a25 == 11)) && (a29 <= 599998)) && (a23 <= 312)) && (246 <= a29))) || ((((a29 <= 140) && (a4 == 0)) && (a25 == 11)) && (a23 <= 312))) || (((a25 == 11) && (a29 <= 599999)) && (a4 == 1))) || (((((a4 == 0) && (a25 <= 10)) && (a29 <= 599998)) && (a23 <= 312)) && (246 <= a29))) || (((a4 == 0) && ((a29 + 22) <= 0)) && (a25 <= 10))) || (((a29 + 21) <= 0) && (a4 == 1))) || (((a25 == 12) && (a4 == 0)) && (a29 <= 599998))) || (((a25 <= 10) && (a29 <= 599999)) && (a4 == 1))) || ((((a4 == 0) && (a29 <= 274)) && (a23 <= 312)) && (246 <= a29))) || ((((a29 <= 599999) && ((a23 + 599772) <= 0)) && (a4 == 1)) && (13 <= a25))) || ((((a29 <= 140) && (a4 == 0)) && (a25 <= 10)) && (a23 <= 312))) || (((a29 <= 599998) && (a4 == 1)) && (13 <= a25))) || (((a4 == 0) && ((a29 + 22) <= 0)) && (a23 <= 312))) RESULT: Ultimate proved your program to be correct! [2023-12-20 16:40:01,249 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...