/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/Problem15_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 17:16:54,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 17:16:54,894 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 17:16:54,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 17:16:54,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 17:16:54,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 17:16:54,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 17:16:54,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 17:16:54,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 17:16:54,913 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 17:16:54,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 17:16:54,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 17:16:54,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 17:16:54,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 17:16:54,914 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 17:16:54,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 17:16:54,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 17:16:54,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 17:16:54,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 17:16:54,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 17:16:54,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 17:16:54,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 17:16:54,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 17:16:54,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 17:16:54,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 17:16:54,923 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 17:16:54,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 17:16:54,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 17:16:54,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 17:16:54,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 17:16:54,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 17:16:54,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 17:16:54,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:16:54,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 17:16:54,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 17:16:54,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 17:16:54,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 17:16:54,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 17:16:54,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 17:16:54,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 17:16:54,926 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 17:16:54,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 17:16:54,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 17:16:54,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 17:16:55,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 17:16:55,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 17:16:55,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 17:16:55,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 17:16:55,105 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 17:16:55,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label21.c [2023-12-20 17:16:56,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 17:16:56,540 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 17:16:56,541 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label21.c [2023-12-20 17:16:56,556 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c982dae/1d7abcbd1f3249cea933e76e0aea26af/FLAGba738c0b9 [2023-12-20 17:16:56,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c982dae/1d7abcbd1f3249cea933e76e0aea26af [2023-12-20 17:16:56,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 17:16:56,572 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 17:16:56,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 17:16:56,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 17:16:56,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 17:16:56,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:16:56" (1/1) ... [2023-12-20 17:16:56,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55faddd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:56, skipping insertion in model container [2023-12-20 17:16:56,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 05:16:56" (1/1) ... [2023-12-20 17:16:56,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 17:16:56,788 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/Problem15_label21.c[7300,7313] [2023-12-20 17:16:57,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:16:57,119 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 17:16:57,136 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/Problem15_label21.c[7300,7313] [2023-12-20 17:16:57,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 17:16:57,380 INFO L206 MainTranslator]: Completed translation [2023-12-20 17:16:57,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57 WrapperNode [2023-12-20 17:16:57,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 17:16:57,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 17:16:57,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 17:16:57,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 17:16:57,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,598 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1760 [2023-12-20 17:16:57,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 17:16:57,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 17:16:57,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 17:16:57,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 17:16:57,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,627 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,717 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 17:16:57,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 17:16:57,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 17:16:57,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 17:16:57,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 17:16:57,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (1/1) ... [2023-12-20 17:16:57,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 17:16:57,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:16:57,876 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 17:16:57,921 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 17:16:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 17:16:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 17:16:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 17:16:57,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 17:16:57,974 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 17:16:57,975 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 17:16:59,668 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 17:16:59,740 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 17:16:59,740 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 17:16:59,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:16:59 BoogieIcfgContainer [2023-12-20 17:16:59,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 17:16:59,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 17:16:59,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 17:16:59,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 17:16:59,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 05:16:56" (1/3) ... [2023-12-20 17:16:59,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb2045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:16:59, skipping insertion in model container [2023-12-20 17:16:59,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 05:16:57" (2/3) ... [2023-12-20 17:16:59,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efb2045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 05:16:59, skipping insertion in model container [2023-12-20 17:16:59,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 05:16:59" (3/3) ... [2023-12-20 17:16:59,746 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label21.c [2023-12-20 17:16:59,758 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 17:16:59,758 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 17:16:59,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 17:16:59,796 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;@4f53c060, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 17:16:59,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 17:16:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 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 17:16:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-20 17:16:59,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:16:59,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:16:59,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:16:59,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:16:59,809 INFO L85 PathProgramCache]: Analyzing trace with hash 866824916, now seen corresponding path program 1 times [2023-12-20 17:16:59,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:16:59,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637986786] [2023-12-20 17:16:59,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:16:59,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:16:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:16:59,920 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 17:16:59,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:16:59,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637986786] [2023-12-20 17:16:59,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637986786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:16:59,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:16:59,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:16:59,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723323651] [2023-12-20 17:16:59,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:16:59,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-20 17:16:59,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:16:59,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-20 17:16:59,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-20 17:16:59,944 INFO L87 Difference]: Start difference. First operand has 362 states, 360 states have (on average 1.9111111111111112) internal successors, (688), 361 states have internal predecessors, (688), 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 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 17:16:59,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:16:59,977 INFO L93 Difference]: Finished difference Result 723 states and 1375 transitions. [2023-12-20 17:16:59,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-20 17:16:59,979 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 59 [2023-12-20 17:16:59,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:16:59,986 INFO L225 Difference]: With dead ends: 723 [2023-12-20 17:16:59,986 INFO L226 Difference]: Without dead ends: 360 [2023-12-20 17:16:59,989 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 17:16:59,991 INFO L413 NwaCegarLoop]: 623 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, 623 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 17:16:59,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 17:17:00,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-12-20 17:17:00,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-12-20 17:17:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.7353760445682451) internal successors, (623), 359 states have internal predecessors, (623), 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 17:17:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 623 transitions. [2023-12-20 17:17:00,028 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 623 transitions. Word has length 59 [2023-12-20 17:17:00,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:00,028 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 623 transitions. [2023-12-20 17:17:00,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 17:17:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 623 transitions. [2023-12-20 17:17:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-20 17:17:00,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:00,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:17:00,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 17:17:00,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:00,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash -399029880, now seen corresponding path program 1 times [2023-12-20 17:17:00,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:00,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752290056] [2023-12-20 17:17:00,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:00,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:00,146 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 17:17:00,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:00,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752290056] [2023-12-20 17:17:00,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752290056] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:00,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:00,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:17:00,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853298430] [2023-12-20 17:17:00,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:00,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:00,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:00,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:00,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:00,149 INFO L87 Difference]: Start difference. First operand 360 states and 623 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 17:17:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:01,738 INFO L93 Difference]: Finished difference Result 1023 states and 1787 transitions. [2023-12-20 17:17:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:01,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 59 [2023-12-20 17:17:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:01,741 INFO L225 Difference]: With dead ends: 1023 [2023-12-20 17:17:01,742 INFO L226 Difference]: Without dead ends: 664 [2023-12-20 17:17:01,743 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 17:17:01,744 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 257 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:01,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 316 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 17:17:01,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-12-20 17:17:01,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 662. [2023-12-20 17:17:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.4826021180030258) internal successors, (980), 661 states have internal predecessors, (980), 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 17:17:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 980 transitions. [2023-12-20 17:17:01,760 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 980 transitions. Word has length 59 [2023-12-20 17:17:01,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:01,760 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 980 transitions. [2023-12-20 17:17:01,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 17:17:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 980 transitions. [2023-12-20 17:17:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-20 17:17:01,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:01,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:17:01,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 17:17:01,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:01,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash -671641577, now seen corresponding path program 1 times [2023-12-20 17:17:01,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:01,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604519817] [2023-12-20 17:17:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:01,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:17:01,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:01,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604519817] [2023-12-20 17:17:02,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604519817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:02,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:02,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:17:02,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584481294] [2023-12-20 17:17:02,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:02,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:02,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:02,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:02,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:02,001 INFO L87 Difference]: Start difference. First operand 662 states and 980 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 17:17:03,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:03,158 INFO L93 Difference]: Finished difference Result 1623 states and 2314 transitions. [2023-12-20 17:17:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:03,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124 [2023-12-20 17:17:03,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:03,163 INFO L225 Difference]: With dead ends: 1623 [2023-12-20 17:17:03,164 INFO L226 Difference]: Without dead ends: 962 [2023-12-20 17:17:03,167 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 17:17:03,171 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:03,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 335 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:17:03,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2023-12-20 17:17:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2023-12-20 17:17:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.3631633714880333) internal successors, (1310), 961 states have internal predecessors, (1310), 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 17:17:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1310 transitions. [2023-12-20 17:17:03,218 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1310 transitions. Word has length 124 [2023-12-20 17:17:03,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:03,218 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1310 transitions. [2023-12-20 17:17:03,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 17:17:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1310 transitions. [2023-12-20 17:17:03,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-20 17:17:03,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:03,222 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:17:03,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 17:17:03,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:03,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:03,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2042658738, now seen corresponding path program 1 times [2023-12-20 17:17:03,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:03,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975069812] [2023-12-20 17:17:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:17:03,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:03,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975069812] [2023-12-20 17:17:03,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975069812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:03,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:03,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 17:17:03,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927128095] [2023-12-20 17:17:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:03,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 17:17:03,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:03,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 17:17:03,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 17:17:03,535 INFO L87 Difference]: Start difference. First operand 962 states and 1310 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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 17:17:05,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:05,080 INFO L93 Difference]: Finished difference Result 2239 states and 3196 transitions. [2023-12-20 17:17:05,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:17:05,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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 129 [2023-12-20 17:17:05,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:05,085 INFO L225 Difference]: With dead ends: 2239 [2023-12-20 17:17:05,085 INFO L226 Difference]: Without dead ends: 1577 [2023-12-20 17:17:05,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 17:17:05,087 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 939 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 692 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:05,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 317 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [692 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 17:17:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2023-12-20 17:17:05,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1265. [2023-12-20 17:17:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1264 states have (on average 1.3053797468354431) internal successors, (1650), 1264 states have internal predecessors, (1650), 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 17:17:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1650 transitions. [2023-12-20 17:17:05,104 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1650 transitions. Word has length 129 [2023-12-20 17:17:05,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:05,105 INFO L495 AbstractCegarLoop]: Abstraction has 1265 states and 1650 transitions. [2023-12-20 17:17:05,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 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 17:17:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1650 transitions. [2023-12-20 17:17:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-20 17:17:05,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:05,108 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-20 17:17:05,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 17:17:05,108 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:05,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:05,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1292990872, now seen corresponding path program 1 times [2023-12-20 17:17:05,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:05,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930169687] [2023-12-20 17:17:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:05,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:17:05,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:05,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930169687] [2023-12-20 17:17:05,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930169687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:05,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:05,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:05,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068843256] [2023-12-20 17:17:05,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:05,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:17:05,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:05,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:17:05,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:17:05,224 INFO L87 Difference]: Start difference. First operand 1265 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 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 17:17:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:07,694 INFO L93 Difference]: Finished difference Result 4667 states and 6172 transitions. [2023-12-20 17:17:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:17:07,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 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 150 [2023-12-20 17:17:07,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:07,703 INFO L225 Difference]: With dead ends: 4667 [2023-12-20 17:17:07,704 INFO L226 Difference]: Without dead ends: 3403 [2023-12-20 17:17:07,705 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 17:17:07,706 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 504 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:07,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 343 Invalid, 2238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-20 17:17:07,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2023-12-20 17:17:07,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 3380. [2023-12-20 17:17:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 3379 states have (on average 1.2367564368156259) internal successors, (4179), 3379 states have internal predecessors, (4179), 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 17:17:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4179 transitions. [2023-12-20 17:17:07,749 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4179 transitions. Word has length 150 [2023-12-20 17:17:07,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:07,750 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 4179 transitions. [2023-12-20 17:17:07,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 3 states have internal predecessors, (150), 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 17:17:07,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4179 transitions. [2023-12-20 17:17:07,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-12-20 17:17:07,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:07,753 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-20 17:17:07,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 17:17:07,754 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:07,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:07,755 INFO L85 PathProgramCache]: Analyzing trace with hash 932250071, now seen corresponding path program 1 times [2023-12-20 17:17:07,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:07,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083543094] [2023-12-20 17:17:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:07,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-20 17:17:07,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:07,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083543094] [2023-12-20 17:17:07,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083543094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:07,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:07,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:17:07,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887359672] [2023-12-20 17:17:07,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:07,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:07,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:07,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:07,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:07,919 INFO L87 Difference]: Start difference. First operand 3380 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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 17:17:08,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:08,977 INFO L93 Difference]: Finished difference Result 8562 states and 10753 transitions. [2023-12-20 17:17:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:08,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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 218 [2023-12-20 17:17:08,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:08,991 INFO L225 Difference]: With dead ends: 8562 [2023-12-20 17:17:08,991 INFO L226 Difference]: Without dead ends: 5482 [2023-12-20 17:17:08,995 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 17:17:08,997 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:08,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 335 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:17:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2023-12-20 17:17:09,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5477. [2023-12-20 17:17:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.168736303871439) internal successors, (6400), 5476 states have internal predecessors, (6400), 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 17:17:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6400 transitions. [2023-12-20 17:17:09,070 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6400 transitions. Word has length 218 [2023-12-20 17:17:09,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:09,070 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6400 transitions. [2023-12-20 17:17:09,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 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 17:17:09,071 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6400 transitions. [2023-12-20 17:17:09,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-12-20 17:17:09,074 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:09,075 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:09,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 17:17:09,075 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:09,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:09,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2042228729, now seen corresponding path program 1 times [2023-12-20 17:17:09,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:09,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148344343] [2023-12-20 17:17:09,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:09,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-20 17:17:09,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:09,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148344343] [2023-12-20 17:17:09,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148344343] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:09,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:09,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 17:17:09,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40145952] [2023-12-20 17:17:09,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:09,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:09,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:09,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:09,495 INFO L87 Difference]: Start difference. First operand 5477 states and 6400 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 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 17:17:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:10,736 INFO L93 Difference]: Finished difference Result 10654 states and 12488 transitions. [2023-12-20 17:17:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:10,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 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 320 [2023-12-20 17:17:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:10,774 INFO L225 Difference]: With dead ends: 10654 [2023-12-20 17:17:10,774 INFO L226 Difference]: Without dead ends: 5477 [2023-12-20 17:17:10,779 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 17:17:10,781 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:10,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 357 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 17:17:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5477 states. [2023-12-20 17:17:10,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5477 to 5477. [2023-12-20 17:17:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5477 states, 5476 states have (on average 1.1676406135865596) internal successors, (6394), 5476 states have internal predecessors, (6394), 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 17:17:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 6394 transitions. [2023-12-20 17:17:10,839 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 6394 transitions. Word has length 320 [2023-12-20 17:17:10,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:10,839 INFO L495 AbstractCegarLoop]: Abstraction has 5477 states and 6394 transitions. [2023-12-20 17:17:10,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 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 17:17:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 6394 transitions. [2023-12-20 17:17:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-12-20 17:17:10,843 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:10,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:10,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 17:17:10,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:10,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:10,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1597876104, now seen corresponding path program 1 times [2023-12-20 17:17:10,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:10,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527711639] [2023-12-20 17:17:10,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-12-20 17:17:11,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:11,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527711639] [2023-12-20 17:17:11,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527711639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:11,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:11,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:11,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298005191] [2023-12-20 17:17:11,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:11,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:11,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:11,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:11,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:11,045 INFO L87 Difference]: Start difference. First operand 5477 states and 6394 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 17:17:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:12,487 INFO L93 Difference]: Finished difference Result 11850 states and 14148 transitions. [2023-12-20 17:17:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:12,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 346 [2023-12-20 17:17:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:12,501 INFO L225 Difference]: With dead ends: 11850 [2023-12-20 17:17:12,502 INFO L226 Difference]: Without dead ends: 6673 [2023-12-20 17:17:12,504 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 17:17:12,505 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 254 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:12,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 320 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:17:12,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6673 states. [2023-12-20 17:17:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6673 to 4875. [2023-12-20 17:17:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4875 states, 4874 states have (on average 1.1756257693885925) internal successors, (5730), 4874 states have internal predecessors, (5730), 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 17:17:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 5730 transitions. [2023-12-20 17:17:12,571 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 5730 transitions. Word has length 346 [2023-12-20 17:17:12,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:12,572 INFO L495 AbstractCegarLoop]: Abstraction has 4875 states and 5730 transitions. [2023-12-20 17:17:12,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 17:17:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 5730 transitions. [2023-12-20 17:17:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-12-20 17:17:12,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:12,576 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:12,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 17:17:12,577 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:12,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:12,577 INFO L85 PathProgramCache]: Analyzing trace with hash -454994747, now seen corresponding path program 1 times [2023-12-20 17:17:12,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:12,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982402733] [2023-12-20 17:17:12,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-20 17:17:12,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:12,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982402733] [2023-12-20 17:17:12,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982402733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:12,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:12,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:12,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789447641] [2023-12-20 17:17:12,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:12,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:12,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:12,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:12,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:12,831 INFO L87 Difference]: Start difference. First operand 4875 states and 5730 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 17:17:14,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:14,153 INFO L93 Difference]: Finished difference Result 11552 states and 13858 transitions. [2023-12-20 17:17:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:14,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 405 [2023-12-20 17:17:14,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:14,192 INFO L225 Difference]: With dead ends: 11552 [2023-12-20 17:17:14,193 INFO L226 Difference]: Without dead ends: 6977 [2023-12-20 17:17:14,197 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 17:17:14,199 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 268 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:14,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 634 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 17:17:14,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6977 states. [2023-12-20 17:17:14,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6977 to 6379. [2023-12-20 17:17:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6379 states, 6378 states have (on average 1.1520852931953591) internal successors, (7348), 6378 states have internal predecessors, (7348), 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 17:17:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6379 states to 6379 states and 7348 transitions. [2023-12-20 17:17:14,276 INFO L78 Accepts]: Start accepts. Automaton has 6379 states and 7348 transitions. Word has length 405 [2023-12-20 17:17:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:14,276 INFO L495 AbstractCegarLoop]: Abstraction has 6379 states and 7348 transitions. [2023-12-20 17:17:14,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 17:17:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 6379 states and 7348 transitions. [2023-12-20 17:17:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-12-20 17:17:14,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:14,281 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:14,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 17:17:14,281 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:14,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:14,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1587785101, now seen corresponding path program 1 times [2023-12-20 17:17:14,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:14,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120662958] [2023-12-20 17:17:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:14,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:17:14,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:14,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120662958] [2023-12-20 17:17:14,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120662958] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:17:14,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5444850] [2023-12-20 17:17:14,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:14,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:17:14,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:17:14,966 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 17:17:14,971 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 17:17:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:15,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-20 17:17:15,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:17:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-20 17:17:15,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:17:15,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5444850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:15,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:17:15,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-20 17:17:15,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653506258] [2023-12-20 17:17:15,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:15,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:17:15,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:15,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:17:15,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:17:15,769 INFO L87 Difference]: Start difference. First operand 6379 states and 7348 transitions. Second operand has 4 states, 4 states have (on average 85.75) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:17:18,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:18,440 INFO L93 Difference]: Finished difference Result 21155 states and 24652 transitions. [2023-12-20 17:17:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:17:18,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 406 [2023-12-20 17:17:18,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:18,456 INFO L225 Difference]: With dead ends: 21155 [2023-12-20 17:17:18,457 INFO L226 Difference]: Without dead ends: 12983 [2023-12-20 17:17:18,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-20 17:17:18,462 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 442 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:18,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 124 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-20 17:17:18,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12983 states. [2023-12-20 17:17:18,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12983 to 12981. [2023-12-20 17:17:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12981 states, 12980 states have (on average 1.126964560862866) internal successors, (14628), 12980 states have internal predecessors, (14628), 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 17:17:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12981 states to 12981 states and 14628 transitions. [2023-12-20 17:17:18,615 INFO L78 Accepts]: Start accepts. Automaton has 12981 states and 14628 transitions. Word has length 406 [2023-12-20 17:17:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:18,615 INFO L495 AbstractCegarLoop]: Abstraction has 12981 states and 14628 transitions. [2023-12-20 17:17:18,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.75) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 17:17:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 12981 states and 14628 transitions. [2023-12-20 17:17:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2023-12-20 17:17:18,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:18,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:18,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 17:17:18,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-20 17:17:18,826 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:18,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:18,826 INFO L85 PathProgramCache]: Analyzing trace with hash -862062812, now seen corresponding path program 1 times [2023-12-20 17:17:18,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:18,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808546169] [2023-12-20 17:17:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:18,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 17:17:19,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808546169] [2023-12-20 17:17:19,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808546169] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:19,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:19,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:19,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316538704] [2023-12-20 17:17:19,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:19,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:19,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:19,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:19,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:19,110 INFO L87 Difference]: Start difference. First operand 12981 states and 14628 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 17:17:20,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:20,645 INFO L93 Difference]: Finished difference Result 29260 states and 33261 transitions. [2023-12-20 17:17:20,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:20,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 422 [2023-12-20 17:17:20,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:20,699 INFO L225 Difference]: With dead ends: 29260 [2023-12-20 17:17:20,699 INFO L226 Difference]: Without dead ends: 16579 [2023-12-20 17:17:20,712 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 17:17:20,712 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:20,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 635 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:17:20,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16579 states. [2023-12-20 17:17:20,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16579 to 15379. [2023-12-20 17:17:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15379 states, 15378 states have (on average 1.1082065288073872) internal successors, (17042), 15378 states have internal predecessors, (17042), 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 17:17:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15379 states to 15379 states and 17042 transitions. [2023-12-20 17:17:20,970 INFO L78 Accepts]: Start accepts. Automaton has 15379 states and 17042 transitions. Word has length 422 [2023-12-20 17:17:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:20,971 INFO L495 AbstractCegarLoop]: Abstraction has 15379 states and 17042 transitions. [2023-12-20 17:17:20,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 17:17:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 15379 states and 17042 transitions. [2023-12-20 17:17:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2023-12-20 17:17:20,975 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:20,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:20,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 17:17:20,976 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:20,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash -923107881, now seen corresponding path program 1 times [2023-12-20 17:17:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:20,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020123039] [2023-12-20 17:17:20,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:20,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-20 17:17:21,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:21,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020123039] [2023-12-20 17:17:21,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020123039] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:21,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:21,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:21,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312776794] [2023-12-20 17:17:21,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:21,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:21,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:21,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:21,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:21,226 INFO L87 Difference]: Start difference. First operand 15379 states and 17042 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 17:17:22,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:22,710 INFO L93 Difference]: Finished difference Result 33450 states and 37436 transitions. [2023-12-20 17:17:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:22,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 436 [2023-12-20 17:17:22,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:22,730 INFO L225 Difference]: With dead ends: 33450 [2023-12-20 17:17:22,730 INFO L226 Difference]: Without dead ends: 18371 [2023-12-20 17:17:22,743 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 17:17:22,743 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 267 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:22,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 597 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 17:17:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18371 states. [2023-12-20 17:17:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18371 to 17767. [2023-12-20 17:17:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17767 states, 17766 states have (on average 1.1003039513677813) internal successors, (19548), 17766 states have internal predecessors, (19548), 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 17:17:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17767 states to 17767 states and 19548 transitions. [2023-12-20 17:17:22,916 INFO L78 Accepts]: Start accepts. Automaton has 17767 states and 19548 transitions. Word has length 436 [2023-12-20 17:17:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:22,917 INFO L495 AbstractCegarLoop]: Abstraction has 17767 states and 19548 transitions. [2023-12-20 17:17:22,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 17:17:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 17767 states and 19548 transitions. [2023-12-20 17:17:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2023-12-20 17:17:22,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:22,922 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:22,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 17:17:22,922 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:22,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:22,923 INFO L85 PathProgramCache]: Analyzing trace with hash -941672625, now seen corresponding path program 1 times [2023-12-20 17:17:22,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:22,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853994358] [2023-12-20 17:17:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:22,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2023-12-20 17:17:23,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853994358] [2023-12-20 17:17:23,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853994358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:23,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:23,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:23,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718898896] [2023-12-20 17:17:23,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:23,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:23,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:23,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:23,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:23,172 INFO L87 Difference]: Start difference. First operand 17767 states and 19548 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 17:17:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:24,554 INFO L93 Difference]: Finished difference Result 42109 states and 46330 transitions. [2023-12-20 17:17:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 536 [2023-12-20 17:17:24,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:24,576 INFO L225 Difference]: With dead ends: 42109 [2023-12-20 17:17:24,576 INFO L226 Difference]: Without dead ends: 21652 [2023-12-20 17:17:24,589 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 17:17:24,590 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 263 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:24,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 618 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 17:17:24,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21652 states. [2023-12-20 17:17:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21652 to 16553. [2023-12-20 17:17:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16553 states, 16552 states have (on average 1.0876027066215563) internal successors, (18002), 16552 states have internal predecessors, (18002), 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 17:17:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16553 states to 16553 states and 18002 transitions. [2023-12-20 17:17:24,743 INFO L78 Accepts]: Start accepts. Automaton has 16553 states and 18002 transitions. Word has length 536 [2023-12-20 17:17:24,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:24,743 INFO L495 AbstractCegarLoop]: Abstraction has 16553 states and 18002 transitions. [2023-12-20 17:17:24,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 17:17:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 16553 states and 18002 transitions. [2023-12-20 17:17:24,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2023-12-20 17:17:24,748 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:24,748 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:24,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 17:17:24,749 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:24,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:24,749 INFO L85 PathProgramCache]: Analyzing trace with hash 86833375, now seen corresponding path program 1 times [2023-12-20 17:17:24,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:24,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955356640] [2023-12-20 17:17:24,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-12-20 17:17:24,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:24,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955356640] [2023-12-20 17:17:24,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955356640] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:24,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:24,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:24,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783370949] [2023-12-20 17:17:24,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:24,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:24,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:24,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:24,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:24,966 INFO L87 Difference]: Start difference. First operand 16553 states and 18002 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 17:17:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:26,019 INFO L93 Difference]: Finished difference Result 33103 states and 36005 transitions. [2023-12-20 17:17:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:26,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 560 [2023-12-20 17:17:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:26,036 INFO L225 Difference]: With dead ends: 33103 [2023-12-20 17:17:26,036 INFO L226 Difference]: Without dead ends: 16850 [2023-12-20 17:17:26,046 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 17:17:26,047 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 462 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:26,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 67 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 17:17:26,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16850 states. [2023-12-20 17:17:26,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16850 to 16551. [2023-12-20 17:17:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16551 states, 16550 states have (on average 1.0874924471299094) internal successors, (17998), 16550 states have internal predecessors, (17998), 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 17:17:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16551 states to 16551 states and 17998 transitions. [2023-12-20 17:17:26,174 INFO L78 Accepts]: Start accepts. Automaton has 16551 states and 17998 transitions. Word has length 560 [2023-12-20 17:17:26,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:26,175 INFO L495 AbstractCegarLoop]: Abstraction has 16551 states and 17998 transitions. [2023-12-20 17:17:26,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 17:17:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 16551 states and 17998 transitions. [2023-12-20 17:17:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2023-12-20 17:17:26,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:26,179 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:26,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 17:17:26,180 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:26,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:26,180 INFO L85 PathProgramCache]: Analyzing trace with hash 422623511, now seen corresponding path program 1 times [2023-12-20 17:17:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:26,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205504203] [2023-12-20 17:17:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-20 17:17:26,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:26,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205504203] [2023-12-20 17:17:26,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205504203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:26,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:26,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:26,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888986904] [2023-12-20 17:17:26,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:26,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:26,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:26,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:26,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:26,354 INFO L87 Difference]: Start difference. First operand 16551 states and 17998 transitions. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 17:17:27,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:27,304 INFO L93 Difference]: Finished difference Result 34594 states and 37633 transitions. [2023-12-20 17:17:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:27,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 569 [2023-12-20 17:17:27,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:27,320 INFO L225 Difference]: With dead ends: 34594 [2023-12-20 17:17:27,320 INFO L226 Difference]: Without dead ends: 17147 [2023-12-20 17:17:27,331 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 17:17:27,333 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 269 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:27,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 278 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 17:17:27,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17147 states. [2023-12-20 17:17:27,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17147 to 12357. [2023-12-20 17:17:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0807704758821626) internal successors, (13354), 12356 states have internal predecessors, (13354), 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 17:17:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 13354 transitions. [2023-12-20 17:17:27,456 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 13354 transitions. Word has length 569 [2023-12-20 17:17:27,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:27,457 INFO L495 AbstractCegarLoop]: Abstraction has 12357 states and 13354 transitions. [2023-12-20 17:17:27,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 17:17:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 13354 transitions. [2023-12-20 17:17:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2023-12-20 17:17:27,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:27,466 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:27,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 17:17:27,466 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:27,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:27,466 INFO L85 PathProgramCache]: Analyzing trace with hash 700365660, now seen corresponding path program 1 times [2023-12-20 17:17:27,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:27,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618909555] [2023-12-20 17:17:27,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:27,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-12-20 17:17:27,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:27,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618909555] [2023-12-20 17:17:27,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618909555] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:27,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:27,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:27,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138584824] [2023-12-20 17:17:27,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:27,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:27,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:27,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:27,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:27,775 INFO L87 Difference]: Start difference. First operand 12357 states and 13354 transitions. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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 17:17:28,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:28,929 INFO L93 Difference]: Finished difference Result 29810 states and 32252 transitions. [2023-12-20 17:17:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:28,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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 626 [2023-12-20 17:17:28,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:28,943 INFO L225 Difference]: With dead ends: 29810 [2023-12-20 17:17:28,943 INFO L226 Difference]: Without dead ends: 17753 [2023-12-20 17:17:28,951 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 17:17:28,952 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 254 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:28,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 554 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 17:17:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17753 states. [2023-12-20 17:17:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17753 to 16845. [2023-12-20 17:17:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16845 states, 16844 states have (on average 1.06946093564474) internal successors, (18014), 16844 states have internal predecessors, (18014), 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 17:17:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16845 states to 16845 states and 18014 transitions. [2023-12-20 17:17:29,076 INFO L78 Accepts]: Start accepts. Automaton has 16845 states and 18014 transitions. Word has length 626 [2023-12-20 17:17:29,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:29,076 INFO L495 AbstractCegarLoop]: Abstraction has 16845 states and 18014 transitions. [2023-12-20 17:17:29,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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 17:17:29,077 INFO L276 IsEmpty]: Start isEmpty. Operand 16845 states and 18014 transitions. [2023-12-20 17:17:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2023-12-20 17:17:29,083 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:29,083 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:29,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-20 17:17:29,083 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:29,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1961140081, now seen corresponding path program 1 times [2023-12-20 17:17:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:29,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737095477] [2023-12-20 17:17:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:29,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-12-20 17:17:29,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:29,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737095477] [2023-12-20 17:17:29,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737095477] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:29,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:29,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:29,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395141009] [2023-12-20 17:17:29,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:29,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:29,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:29,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:29,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:29,338 INFO L87 Difference]: Start difference. First operand 16845 states and 18014 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 17:17:30,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:30,292 INFO L93 Difference]: Finished difference Result 39068 states and 41836 transitions. [2023-12-20 17:17:30,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:30,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 631 [2023-12-20 17:17:30,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:30,314 INFO L225 Difference]: With dead ends: 39068 [2023-12-20 17:17:30,314 INFO L226 Difference]: Without dead ends: 22523 [2023-12-20 17:17:30,325 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 17:17:30,326 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 282 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:30,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 195 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 17:17:30,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22523 states. [2023-12-20 17:17:30,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22523 to 18635. [2023-12-20 17:17:30,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18635 states, 18634 states have (on average 1.0691746270258666) internal successors, (19923), 18634 states have internal predecessors, (19923), 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 17:17:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18635 states to 18635 states and 19923 transitions. [2023-12-20 17:17:30,488 INFO L78 Accepts]: Start accepts. Automaton has 18635 states and 19923 transitions. Word has length 631 [2023-12-20 17:17:30,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:30,489 INFO L495 AbstractCegarLoop]: Abstraction has 18635 states and 19923 transitions. [2023-12-20 17:17:30,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 17:17:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 18635 states and 19923 transitions. [2023-12-20 17:17:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2023-12-20 17:17:30,496 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:30,496 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:30,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-20 17:17:30,496 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:30,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:30,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1363720790, now seen corresponding path program 1 times [2023-12-20 17:17:30,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:30,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944678230] [2023-12-20 17:17:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:30,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2023-12-20 17:17:30,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:30,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944678230] [2023-12-20 17:17:30,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944678230] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:30,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:30,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 17:17:30,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690551201] [2023-12-20 17:17:30,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:30,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:30,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:30,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:30,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 17:17:30,708 INFO L87 Difference]: Start difference. First operand 18635 states and 19923 transitions. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 17:17:31,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:31,826 INFO L93 Difference]: Finished difference Result 39361 states and 42206 transitions. [2023-12-20 17:17:31,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:31,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 633 [2023-12-20 17:17:31,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:31,844 INFO L225 Difference]: With dead ends: 39361 [2023-12-20 17:17:31,845 INFO L226 Difference]: Without dead ends: 21026 [2023-12-20 17:17:31,855 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 17:17:31,856 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 289 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:31,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 438 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 17:17:31,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21026 states. [2023-12-20 17:17:31,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21026 to 19830. [2023-12-20 17:17:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19830 states, 19829 states have (on average 1.0671743406122347) internal successors, (21161), 19829 states have internal predecessors, (21161), 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 17:17:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19830 states to 19830 states and 21161 transitions. [2023-12-20 17:17:32,003 INFO L78 Accepts]: Start accepts. Automaton has 19830 states and 21161 transitions. Word has length 633 [2023-12-20 17:17:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:32,003 INFO L495 AbstractCegarLoop]: Abstraction has 19830 states and 21161 transitions. [2023-12-20 17:17:32,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 17:17:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 19830 states and 21161 transitions. [2023-12-20 17:17:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2023-12-20 17:17:32,012 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:32,012 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:17:32,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-20 17:17:32,012 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:32,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:32,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2097808646, now seen corresponding path program 1 times [2023-12-20 17:17:32,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:32,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174838010] [2023-12-20 17:17:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:32,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 116 proven. 261 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2023-12-20 17:17:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174838010] [2023-12-20 17:17:32,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174838010] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 17:17:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108082396] [2023-12-20 17:17:32,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:32,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:17:32,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 17:17:32,761 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 17:17:32,762 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 17:17:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:32,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-20 17:17:32,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 17:17:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2023-12-20 17:17:33,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 17:17:33,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108082396] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:33,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 17:17:33,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-12-20 17:17:33,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522187915] [2023-12-20 17:17:33,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:33,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 17:17:33,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:33,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 17:17:33,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 17:17:33,023 INFO L87 Difference]: Start difference. First operand 19830 states and 21161 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 17:17:34,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:34,030 INFO L93 Difference]: Finished difference Result 38754 states and 41388 transitions. [2023-12-20 17:17:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 17:17:34,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 684 [2023-12-20 17:17:34,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:34,059 INFO L225 Difference]: With dead ends: 38754 [2023-12-20 17:17:34,060 INFO L226 Difference]: Without dead ends: 19224 [2023-12-20 17:17:34,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 685 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 17:17:34,085 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 269 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:34,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 520 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 17:17:34,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19224 states. [2023-12-20 17:17:34,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19224 to 18625. [2023-12-20 17:17:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18625 states, 18624 states have (on average 1.0408612542955327) internal successors, (19385), 18624 states have internal predecessors, (19385), 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 17:17:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18625 states to 18625 states and 19385 transitions. [2023-12-20 17:17:34,231 INFO L78 Accepts]: Start accepts. Automaton has 18625 states and 19385 transitions. Word has length 684 [2023-12-20 17:17:34,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:34,232 INFO L495 AbstractCegarLoop]: Abstraction has 18625 states and 19385 transitions. [2023-12-20 17:17:34,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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 17:17:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 18625 states and 19385 transitions. [2023-12-20 17:17:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2023-12-20 17:17:34,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 17:17:34,248 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:17:34,260 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 17:17:34,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 17:17:34,454 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 17:17:34,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 17:17:34,454 INFO L85 PathProgramCache]: Analyzing trace with hash -650403555, now seen corresponding path program 1 times [2023-12-20 17:17:34,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 17:17:34,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255388727] [2023-12-20 17:17:34,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 17:17:34,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 17:17:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 17:17:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 781 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-12-20 17:17:34,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 17:17:34,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255388727] [2023-12-20 17:17:34,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255388727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 17:17:34,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 17:17:34,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 17:17:34,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088390318] [2023-12-20 17:17:34,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 17:17:34,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 17:17:34,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 17:17:34,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 17:17:34,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 17:17:34,939 INFO L87 Difference]: Start difference. First operand 18625 states and 19385 transitions. Second operand has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 17:17:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 17:17:36,882 INFO L93 Difference]: Finished difference Result 42340 states and 44009 transitions. [2023-12-20 17:17:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 17:17:36,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 826 [2023-12-20 17:17:36,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 17:17:36,882 INFO L225 Difference]: With dead ends: 42340 [2023-12-20 17:17:36,882 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 17:17:36,894 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 17:17:36,895 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 467 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-20 17:17:36,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 446 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-20 17:17:36,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 17:17:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 17:17:36,896 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 17:17:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 17:17:36,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 826 [2023-12-20 17:17:36,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 17:17:36,896 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 17:17:36,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 17:17:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 17:17:36,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 17:17:36,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 17:17:36,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-20 17:17:36,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 17:17:40,111 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,112 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,113 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,114 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,115 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,116 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1668 1768) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,117 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,118 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,119 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2023-12-20 17:17:40,120 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L1770(lines 1770 1786) no Hoare annotation was computed. [2023-12-20 17:17:40,121 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,122 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse9 (<= (+ 89 ~a4~0) 0)) (.cse5 (<= 44 ~a29~0)) (.cse6 (<= (+ ~a0~0 147) 0)) (.cse7 (<= 0 (+ ~a4~0 85))) (.cse4 (= 2 ~a2~0)) (.cse1 (= ~a2~0 1)) (.cse3 (<= (+ ~a4~0 86) 0)) (.cse10 (<= (+ ~a29~0 127) 0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse2 (<= 5 ~a2~0)) (.cse8 (<= (+ ~a0~0 61) 0))) (or (and (<= 0 (+ 97 ~a0~0)) .cse0 .cse1) (and .cse0 (= 3 ~a2~0)) (and .cse0 (= ~a2~0 4)) (and .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse0 .cse4 .cse7 .cse8) (and .cse4 .cse9) (and .cse0 .cse4 .cse7 .cse10) (and .cse0 .cse5 .cse2) (and .cse9 .cse6) (and .cse4 .cse7 .cse6) (and .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse3) (and .cse0 .cse7 .cse1) (and .cse4 (<= 0 (+ ~a0~0 60)) .cse3) (and .cse1 .cse3 .cse10) (and .cse0 .cse2 .cse8))) [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,123 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,124 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,125 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,126 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,127 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2023-12-20 17:17:40,129 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 17:17:40,131 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 17:17:40,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 05:17:40 BoogieIcfgContainer [2023-12-20 17:17:40,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 17:17:40,151 INFO L158 Benchmark]: Toolchain (without parser) took 43575.30ms. Allocated memory was 259.0MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 201.0MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-20 17:17:40,151 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 215.0MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 17:17:40,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.28ms. Allocated memory is still 259.0MB. Free memory was 200.7MB in the beginning and 167.7MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-20 17:17:40,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 216.02ms. Allocated memory is still 259.0MB. Free memory was 167.7MB in the beginning and 192.2MB in the end (delta: -24.4MB). Peak memory consumption was 34.8MB. Max. memory is 8.0GB. [2023-12-20 17:17:40,152 INFO L158 Benchmark]: Boogie Preprocessor took 253.49ms. Allocated memory is still 259.0MB. Free memory was 192.2MB in the beginning and 169.1MB in the end (delta: 23.0MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. [2023-12-20 17:17:40,152 INFO L158 Benchmark]: RCFGBuilder took 1886.01ms. Allocated memory was 259.0MB in the beginning and 367.0MB in the end (delta: 108.0MB). Free memory was 169.1MB in the beginning and 289.7MB in the end (delta: -120.6MB). Peak memory consumption was 136.3MB. Max. memory is 8.0GB. [2023-12-20 17:17:40,152 INFO L158 Benchmark]: TraceAbstraction took 40404.91ms. Allocated memory was 367.0MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 289.2MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-20 17:17:40,155 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 215.0MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 807.28ms. Allocated memory is still 259.0MB. Free memory was 200.7MB in the beginning and 167.7MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 216.02ms. Allocated memory is still 259.0MB. Free memory was 167.7MB in the beginning and 192.2MB in the end (delta: -24.4MB). Peak memory consumption was 34.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 253.49ms. Allocated memory is still 259.0MB. Free memory was 192.2MB in the beginning and 169.1MB in the end (delta: 23.0MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. * RCFGBuilder took 1886.01ms. Allocated memory was 259.0MB in the beginning and 367.0MB in the end (delta: 108.0MB). Free memory was 169.1MB in the beginning and 289.7MB in the end (delta: -120.6MB). Peak memory consumption was 136.3MB. Max. memory is 8.0GB. * TraceAbstraction took 40404.91ms. Allocated memory was 367.0MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 289.2MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. 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: 197]: 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, 362 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.4s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6322 SdHoareTripleChecker+Valid, 25.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6322 mSDsluCounter, 8052 SdHoareTripleChecker+Invalid, 21.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 785 mSDsCounter, 4102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19589 IncrementalHoareTripleChecker+Invalid, 23691 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4102 mSolverCounterUnsat, 7267 mSDtfsCounter, 19589 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1119 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19830occurred in iteration=18, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 20 MinimizatonAttempts, 21323 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 102 NumberOfFragments, 220 HoareAnnotationTreeSize, 1 FormulaSimplifications, 4488 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 5297 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 9229 NumberOfCodeBlocks, 9229 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 9207 ConstructedInterpolants, 0 QuantifiedInterpolants, 21682 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1303 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 22 InterpolantComputations, 20 PerfectInterpolantSequences, 8022/8347 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: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((0 <= (97 + a0)) && ((42 + a4) <= 0)) && (a2 == 1)) || (((42 + a4) <= 0) && (3 == a2))) || (((42 + a4) <= 0) && (a2 == 4))) || ((5 <= a2) && ((a4 + 86) <= 0))) || (((2 == a2) && (44 <= a29)) && ((a0 + 147) <= 0))) || (((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && ((a0 + 61) <= 0))) || ((2 == a2) && ((89 + a4) <= 0))) || (((((42 + a4) <= 0) && (2 == a2)) && (0 <= (a4 + 85))) && ((a29 + 127) <= 0))) || ((((42 + a4) <= 0) && (44 <= a29)) && (5 <= a2))) || (((89 + a4) <= 0) && ((a0 + 147) <= 0))) || (((2 == a2) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0))) || (((44 <= a29) && (a2 == 1)) && ((a4 + 86) <= 0))) || ((((a0 + 147) <= 0) && (a2 == 1)) && ((a4 + 86) <= 0))) || ((((42 + a4) <= 0) && (0 <= (a4 + 85))) && (a2 == 1))) || (((2 == a2) && (0 <= (a0 + 60))) && ((a4 + 86) <= 0))) || (((a2 == 1) && ((a4 + 86) <= 0)) && ((a29 + 127) <= 0))) || ((((42 + a4) <= 0) && (5 <= a2)) && ((a0 + 61) <= 0))) RESULT: Ultimate proved your program to be correct! [2023-12-20 17:17:40,188 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...