/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 00:20:30,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 00:20:30,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 00:20:30,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 00:20:31,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 00:20:31,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 00:20:31,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 00:20:31,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 00:20:31,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 00:20:31,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 00:20:31,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 00:20:31,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 00:20:31,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 00:20:31,036 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 00:20:31,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 00:20:31,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 00:20:31,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 00:20:31,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 00:20:31,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 00:20:31,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:20:31,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 00:20:31,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 00:20:31,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 00:20:31,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 00:20:31,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 00:20:31,039 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 00:20:31,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 00:20:31,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 00:20:31,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 00:20:31,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 00:20:31,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 00:20:31,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 00:20:31,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 00:20:31,257 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 00:20:31,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label17.c [2022-01-10 00:20:31,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc2a5e08/88fd540a85304932897856df366f4b33/FLAG9bead0470 [2022-01-10 00:20:31,855 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 00:20:31,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label17.c [2022-01-10 00:20:31,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc2a5e08/88fd540a85304932897856df366f4b33/FLAG9bead0470 [2022-01-10 00:20:32,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc2a5e08/88fd540a85304932897856df366f4b33 [2022-01-10 00:20:32,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 00:20:32,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 00:20:32,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 00:20:32,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 00:20:32,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 00:20:32,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:20:32" (1/1) ... [2022-01-10 00:20:32,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46aacc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:32, skipping insertion in model container [2022-01-10 00:20:32,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 12:20:32" (1/1) ... [2022-01-10 00:20:32,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 00:20:32,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 00:20:32,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label17.c[6102,6115] [2022-01-10 00:20:32,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:20:32,913 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 00:20:32,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label17.c[6102,6115] [2022-01-10 00:20:33,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 00:20:33,112 INFO L208 MainTranslator]: Completed translation [2022-01-10 00:20:33,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33 WrapperNode [2022-01-10 00:20:33,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 00:20:33,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 00:20:33,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 00:20:33,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 00:20:33,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,256 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2022-01-10 00:20:33,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 00:20:33,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 00:20:33,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 00:20:33,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 00:20:33,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 00:20:33,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 00:20:33,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 00:20:33,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 00:20:33,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (1/1) ... [2022-01-10 00:20:33,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 00:20:33,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:20:33,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 00:20:33,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 00:20:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 00:20:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 00:20:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 00:20:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 00:20:33,523 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 00:20:33,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 00:20:35,218 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 00:20:35,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 00:20:35,229 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 00:20:35,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:20:35 BoogieIcfgContainer [2022-01-10 00:20:35,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 00:20:35,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 00:20:35,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 00:20:35,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 00:20:35,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 12:20:32" (1/3) ... [2022-01-10 00:20:35,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b32a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:20:35, skipping insertion in model container [2022-01-10 00:20:35,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 12:20:33" (2/3) ... [2022-01-10 00:20:35,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b32a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 12:20:35, skipping insertion in model container [2022-01-10 00:20:35,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 12:20:35" (3/3) ... [2022-01-10 00:20:35,238 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label17.c [2022-01-10 00:20:35,242 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 00:20:35,243 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 00:20:35,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 00:20:35,300 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 00:20:35,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 00:20:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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) [2022-01-10 00:20:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-10 00:20:35,338 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:35,338 INFO L514 BasicCegarLoop]: 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] [2022-01-10 00:20:35,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:35,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:35,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2022-01-10 00:20:35,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:35,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087666855] [2022-01-10 00:20:35,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:35,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:20:35,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:35,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087666855] [2022-01-10 00:20:35,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087666855] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:35,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:35,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:20:35,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572290881] [2022-01-10 00:20:35,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:35,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:35,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:35,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:35,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:35,616 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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) [2022-01-10 00:20:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:37,438 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2022-01-10 00:20:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:37,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 58 [2022-01-10 00:20:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:37,454 INFO L225 Difference]: With dead ends: 1137 [2022-01-10 00:20:37,454 INFO L226 Difference]: Without dead ends: 662 [2022-01-10 00:20:37,458 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:37,461 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 326 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:37,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 114 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-10 00:20:37,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-01-10 00:20:37,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2022-01-10 00:20:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 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) [2022-01-10 00:20:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2022-01-10 00:20:37,537 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 58 [2022-01-10 00:20:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:37,538 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2022-01-10 00:20:37,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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) [2022-01-10 00:20:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2022-01-10 00:20:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-10 00:20:37,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:37,548 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:20:37,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 00:20:37,548 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:37,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1155989113, now seen corresponding path program 1 times [2022-01-10 00:20:37,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:37,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50632838] [2022-01-10 00:20:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:37,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:20:37,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:37,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50632838] [2022-01-10 00:20:37,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50632838] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:37,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:37,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:20:37,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863955849] [2022-01-10 00:20:37,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:37,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:37,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:37,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:37,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:37,651 INFO L87 Difference]: Start difference. First operand 662 states and 1124 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) [2022-01-10 00:20:38,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:38,888 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2022-01-10 00:20:38,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:38,889 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 [2022-01-10 00:20:38,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:38,895 INFO L225 Difference]: With dead ends: 1980 [2022-01-10 00:20:38,896 INFO L226 Difference]: Without dead ends: 1320 [2022-01-10 00:20:38,898 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:38,899 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:38,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 77 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-10 00:20:38,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-01-10 00:20:38,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2022-01-10 00:20:38,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 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) [2022-01-10 00:20:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2022-01-10 00:20:38,939 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 124 [2022-01-10 00:20:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:38,940 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2022-01-10 00:20:38,940 INFO L471 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) [2022-01-10 00:20:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2022-01-10 00:20:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-01-10 00:20:38,942 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:38,942 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:20:38,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 00:20:38,943 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:38,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash -2093959461, now seen corresponding path program 1 times [2022-01-10 00:20:38,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:38,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970089985] [2022-01-10 00:20:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:38,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:20:39,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:39,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970089985] [2022-01-10 00:20:39,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970089985] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:39,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:39,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:20:39,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456079705] [2022-01-10 00:20:39,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:39,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:39,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:39,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:39,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:39,054 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2022-01-10 00:20:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:40,166 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2022-01-10 00:20:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:40,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 125 [2022-01-10 00:20:40,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:40,174 INFO L225 Difference]: With dead ends: 3296 [2022-01-10 00:20:40,174 INFO L226 Difference]: Without dead ends: 1978 [2022-01-10 00:20:40,176 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:40,177 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:40,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-10 00:20:40,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2022-01-10 00:20:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2022-01-10 00:20:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 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) [2022-01-10 00:20:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2022-01-10 00:20:40,212 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 125 [2022-01-10 00:20:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:40,212 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2022-01-10 00:20:40,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2022-01-10 00:20:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2022-01-10 00:20:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-01-10 00:20:40,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:40,215 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:20:40,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 00:20:40,216 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:40,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:40,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1148780661, now seen corresponding path program 1 times [2022-01-10 00:20:40,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:40,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947746419] [2022-01-10 00:20:40,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:40,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:20:40,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:40,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947746419] [2022-01-10 00:20:40,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947746419] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:40,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:40,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:20:40,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774800004] [2022-01-10 00:20:40,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:40,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:40,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:40,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:40,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:40,353 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:20:41,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:41,680 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2022-01-10 00:20:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:41,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-01-10 00:20:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:41,694 INFO L225 Difference]: With dead ends: 5928 [2022-01-10 00:20:41,694 INFO L226 Difference]: Without dead ends: 3952 [2022-01-10 00:20:41,696 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:41,704 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 181 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:41,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 259 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-10 00:20:41,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-01-10 00:20:41,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2022-01-10 00:20:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 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) [2022-01-10 00:20:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2022-01-10 00:20:41,771 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 217 [2022-01-10 00:20:41,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:41,773 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2022-01-10 00:20:41,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 00:20:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2022-01-10 00:20:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-01-10 00:20:41,777 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:41,777 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:20:41,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 00:20:41,777 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:41,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:41,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1357137442, now seen corresponding path program 1 times [2022-01-10 00:20:41,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:41,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197060118] [2022-01-10 00:20:41,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:41,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:42,051 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:20:42,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:42,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197060118] [2022-01-10 00:20:42,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197060118] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:42,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:42,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:20:42,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972155473] [2022-01-10 00:20:42,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:42,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 00:20:42,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:42,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 00:20:42,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 00:20:42,054 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 75.75) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-01-10 00:20:43,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:43,317 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2022-01-10 00:20:43,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 00:20:43,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.75) internal successors, (303), 3 states have internal predecessors, (303), 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 303 [2022-01-10 00:20:43,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:43,333 INFO L225 Difference]: With dead ends: 8269 [2022-01-10 00:20:43,333 INFO L226 Difference]: Without dead ends: 4319 [2022-01-10 00:20:43,338 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:43,342 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 175 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:43,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 371 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-10 00:20:43,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2022-01-10 00:20:43,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2022-01-10 00:20:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 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) [2022-01-10 00:20:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2022-01-10 00:20:43,437 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 303 [2022-01-10 00:20:43,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:43,438 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2022-01-10 00:20:43,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.75) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-01-10 00:20:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2022-01-10 00:20:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-01-10 00:20:43,444 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:43,444 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:20:43,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 00:20:43,445 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:43,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:43,446 INFO L85 PathProgramCache]: Analyzing trace with hash 291858287, now seen corresponding path program 1 times [2022-01-10 00:20:43,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:43,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427396954] [2022-01-10 00:20:43,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:43,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:20:43,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:43,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427396954] [2022-01-10 00:20:43,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427396954] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:43,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:43,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 00:20:43,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146099940] [2022-01-10 00:20:43,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:43,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 00:20:43,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:43,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 00:20:43,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:20:43,674 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 55.714285714285715) internal successors, (390), 6 states have internal predecessors, (390), 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) [2022-01-10 00:20:45,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:45,156 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2022-01-10 00:20:45,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 00:20:45,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 55.714285714285715) internal successors, (390), 6 states have internal predecessors, (390), 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 390 [2022-01-10 00:20:45,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:45,169 INFO L225 Difference]: With dead ends: 8090 [2022-01-10 00:20:45,169 INFO L226 Difference]: Without dead ends: 3952 [2022-01-10 00:20:45,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:20:45,174 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 371 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:45,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [371 Valid, 290 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-10 00:20:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-01-10 00:20:45,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2022-01-10 00:20:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 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) [2022-01-10 00:20:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2022-01-10 00:20:45,234 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 390 [2022-01-10 00:20:45,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:45,235 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2022-01-10 00:20:45,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 55.714285714285715) internal successors, (390), 6 states have internal predecessors, (390), 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) [2022-01-10 00:20:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2022-01-10 00:20:45,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-01-10 00:20:45,240 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:45,241 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:20:45,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 00:20:45,241 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:45,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1805853929, now seen corresponding path program 1 times [2022-01-10 00:20:45,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:45,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938031491] [2022-01-10 00:20:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:45,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-01-10 00:20:45,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:45,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938031491] [2022-01-10 00:20:45,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938031491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:45,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:45,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:20:45,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231415155] [2022-01-10 00:20:45,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:45,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:45,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:45,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:45,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:45,460 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-01-10 00:20:46,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:46,276 INFO L93 Difference]: Finished difference Result 9547 states and 10414 transitions. [2022-01-10 00:20:46,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:46,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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 397 [2022-01-10 00:20:46,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:46,293 INFO L225 Difference]: With dead ends: 9547 [2022-01-10 00:20:46,293 INFO L226 Difference]: Without dead ends: 5926 [2022-01-10 00:20:46,298 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:46,298 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 291 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:46,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 40 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 00:20:46,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2022-01-10 00:20:46,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2022-01-10 00:20:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.0828691983122363) internal successors, (6416), 5925 states have internal predecessors, (6416), 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) [2022-01-10 00:20:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6416 transitions. [2022-01-10 00:20:46,378 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6416 transitions. Word has length 397 [2022-01-10 00:20:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:46,379 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 6416 transitions. [2022-01-10 00:20:46,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-01-10 00:20:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6416 transitions. [2022-01-10 00:20:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2022-01-10 00:20:46,387 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:46,387 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:20:46,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 00:20:46,388 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:46,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash -290785699, now seen corresponding path program 1 times [2022-01-10 00:20:46,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:46,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737952629] [2022-01-10 00:20:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:46,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-01-10 00:20:46,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:46,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737952629] [2022-01-10 00:20:46,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737952629] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:46,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:46,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:20:46,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258549578] [2022-01-10 00:20:46,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:46,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:46,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:46,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:46,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:46,570 INFO L87 Difference]: Start difference. First operand 5926 states and 6416 transitions. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2022-01-10 00:20:47,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:47,413 INFO L93 Difference]: Finished difference Result 13495 states and 14710 transitions. [2022-01-10 00:20:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:47,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 514 [2022-01-10 00:20:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:47,434 INFO L225 Difference]: With dead ends: 13495 [2022-01-10 00:20:47,434 INFO L226 Difference]: Without dead ends: 7900 [2022-01-10 00:20:47,440 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:47,440 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 275 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:47,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 440 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-10 00:20:47,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-01-10 00:20:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7571. [2022-01-10 00:20:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.070541611624835) internal successors, (8104), 7570 states have internal predecessors, (8104), 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) [2022-01-10 00:20:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8104 transitions. [2022-01-10 00:20:47,548 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8104 transitions. Word has length 514 [2022-01-10 00:20:47,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:47,549 INFO L470 AbstractCegarLoop]: Abstraction has 7571 states and 8104 transitions. [2022-01-10 00:20:47,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2022-01-10 00:20:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8104 transitions. [2022-01-10 00:20:47,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2022-01-10 00:20:47,561 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:47,561 INFO L514 BasicCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:20:47,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 00:20:47,563 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:47,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:47,564 INFO L85 PathProgramCache]: Analyzing trace with hash -255322755, now seen corresponding path program 1 times [2022-01-10 00:20:47,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:47,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633959463] [2022-01-10 00:20:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:47,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 111 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 00:20:47,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:47,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633959463] [2022-01-10 00:20:47,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633959463] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:20:47,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674229288] [2022-01-10 00:20:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:47,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:20:47,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:20:47,915 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) [2022-01-10 00:20:47,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 00:20:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:48,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:20:48,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:20:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-01-10 00:20:49,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:20:49,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674229288] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:49,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:20:49,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2022-01-10 00:20:49,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501933761] [2022-01-10 00:20:49,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:49,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:49,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:49,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:49,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 00:20:49,339 INFO L87 Difference]: Start difference. First operand 7571 states and 8104 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 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) [2022-01-10 00:20:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:50,035 INFO L93 Difference]: Finished difference Result 9547 states and 10132 transitions. [2022-01-10 00:20:50,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:50,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 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 581 [2022-01-10 00:20:50,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:50,050 INFO L225 Difference]: With dead ends: 9547 [2022-01-10 00:20:50,050 INFO L226 Difference]: Without dead ends: 9545 [2022-01-10 00:20:50,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-01-10 00:20:50,053 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 63 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:50,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 83 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:20:50,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2022-01-10 00:20:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 7900. [2022-01-10 00:20:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0692492720597544) internal successors, (8446), 7899 states have internal predecessors, (8446), 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) [2022-01-10 00:20:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8446 transitions. [2022-01-10 00:20:50,156 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8446 transitions. Word has length 581 [2022-01-10 00:20:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:50,157 INFO L470 AbstractCegarLoop]: Abstraction has 7900 states and 8446 transitions. [2022-01-10 00:20:50,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 2 states have internal predecessors, (293), 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) [2022-01-10 00:20:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8446 transitions. [2022-01-10 00:20:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 928 [2022-01-10 00:20:50,172 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:50,172 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:20:50,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 00:20:50,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:20:50,397 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:50,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:50,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1911504932, now seen corresponding path program 1 times [2022-01-10 00:20:50,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:50,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571471380] [2022-01-10 00:20:50,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:50,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2022-01-10 00:20:50,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:50,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571471380] [2022-01-10 00:20:50,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571471380] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:50,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:50,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 00:20:50,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97507053] [2022-01-10 00:20:50,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:50,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:50,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:50,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:50,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:50,806 INFO L87 Difference]: Start difference. First operand 7900 states and 8446 transitions. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 2 states have internal predecessors, (398), 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) [2022-01-10 00:20:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:51,526 INFO L93 Difference]: Finished difference Result 15798 states and 16896 transitions. [2022-01-10 00:20:51,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:51,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 2 states have internal predecessors, (398), 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 927 [2022-01-10 00:20:51,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:51,540 INFO L225 Difference]: With dead ends: 15798 [2022-01-10 00:20:51,540 INFO L226 Difference]: Without dead ends: 8229 [2022-01-10 00:20:51,548 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:51,548 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 85 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:51,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 110 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:20:51,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-01-10 00:20:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8229. [2022-01-10 00:20:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8229 states, 8228 states have (on average 1.0673310646572678) internal successors, (8782), 8228 states have internal predecessors, (8782), 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) [2022-01-10 00:20:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8782 transitions. [2022-01-10 00:20:51,641 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8782 transitions. Word has length 927 [2022-01-10 00:20:51,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:51,642 INFO L470 AbstractCegarLoop]: Abstraction has 8229 states and 8782 transitions. [2022-01-10 00:20:51,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 2 states have internal predecessors, (398), 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) [2022-01-10 00:20:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8782 transitions. [2022-01-10 00:20:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2022-01-10 00:20:51,658 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:51,658 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:20:51,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 00:20:51,659 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:51,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2057880592, now seen corresponding path program 1 times [2022-01-10 00:20:51,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:51,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945964731] [2022-01-10 00:20:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:51,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 1078 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2022-01-10 00:20:52,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:52,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945964731] [2022-01-10 00:20:52,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945964731] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:52,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:52,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:20:52,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243956775] [2022-01-10 00:20:52,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:52,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:52,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:52,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:52,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:20:52,050 INFO L87 Difference]: Start difference. First operand 8229 states and 8782 transitions. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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) [2022-01-10 00:20:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:52,795 INFO L93 Difference]: Finished difference Result 20075 states and 21560 transitions. [2022-01-10 00:20:52,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:52,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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 935 [2022-01-10 00:20:52,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:52,813 INFO L225 Difference]: With dead ends: 20075 [2022-01-10 00:20:52,813 INFO L226 Difference]: Without dead ends: 11190 [2022-01-10 00:20:52,822 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:20:52,822 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 272 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:52,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 428 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:20:52,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2022-01-10 00:20:52,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2022-01-10 00:20:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0541603360443292) internal successors, (11795), 11189 states have internal predecessors, (11795), 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) [2022-01-10 00:20:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 11795 transitions. [2022-01-10 00:20:52,946 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 11795 transitions. Word has length 935 [2022-01-10 00:20:52,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:52,946 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 11795 transitions. [2022-01-10 00:20:52,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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) [2022-01-10 00:20:52,947 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 11795 transitions. [2022-01-10 00:20:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 970 [2022-01-10 00:20:52,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:52,963 INFO L514 BasicCegarLoop]: 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:20:52,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 00:20:52,963 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:52,964 INFO L85 PathProgramCache]: Analyzing trace with hash -428617136, now seen corresponding path program 1 times [2022-01-10 00:20:52,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:52,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660454128] [2022-01-10 00:20:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:52,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:53,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 590 proven. 714 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2022-01-10 00:20:53,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:53,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660454128] [2022-01-10 00:20:53,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660454128] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 00:20:53,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378460563] [2022-01-10 00:20:53,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:53,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 00:20:53,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 00:20:53,436 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) [2022-01-10 00:20:53,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 00:20:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:53,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 00:20:53,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 00:20:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2022-01-10 00:20:55,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 00:20:55,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378460563] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:55,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 00:20:55,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-10 00:20:55,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548668385] [2022-01-10 00:20:55,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:55,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:20:55,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:55,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:20:55,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 00:20:55,029 INFO L87 Difference]: Start difference. First operand 11190 states and 11795 transitions. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2022-01-10 00:20:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:55,748 INFO L93 Difference]: Finished difference Result 21720 states and 22921 transitions. [2022-01-10 00:20:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:20:55,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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 969 [2022-01-10 00:20:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:55,766 INFO L225 Difference]: With dead ends: 21720 [2022-01-10 00:20:55,766 INFO L226 Difference]: Without dead ends: 11190 [2022-01-10 00:20:55,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 973 GetRequests, 969 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 00:20:55,776 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 118 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:55,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 377 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 00:20:55,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2022-01-10 00:20:55,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2022-01-10 00:20:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0487979265349898) internal successors, (11735), 11189 states have internal predecessors, (11735), 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) [2022-01-10 00:20:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 11735 transitions. [2022-01-10 00:20:55,952 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 11735 transitions. Word has length 969 [2022-01-10 00:20:55,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:55,953 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 11735 transitions. [2022-01-10 00:20:55,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2022-01-10 00:20:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 11735 transitions. [2022-01-10 00:20:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1205 [2022-01-10 00:20:55,976 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:55,977 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 00:20:56,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 00:20:56,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-01-10 00:20:56,202 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:56,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:56,202 INFO L85 PathProgramCache]: Analyzing trace with hash 656356550, now seen corresponding path program 1 times [2022-01-10 00:20:56,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:56,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998566700] [2022-01-10 00:20:56,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:56,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2726 backedges. 1887 proven. 0 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2022-01-10 00:20:56,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:56,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998566700] [2022-01-10 00:20:56,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998566700] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:56,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:56,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 00:20:56,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517643163] [2022-01-10 00:20:56,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:56,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 00:20:56,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:56,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 00:20:56,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 00:20:56,738 INFO L87 Difference]: Start difference. First operand 11190 states and 11735 transitions. Second operand has 6 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 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) [2022-01-10 00:20:58,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:20:58,032 INFO L93 Difference]: Finished difference Result 22472 states and 23580 transitions. [2022-01-10 00:20:58,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 00:20:58,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 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 1204 [2022-01-10 00:20:58,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:20:58,045 INFO L225 Difference]: With dead ends: 22472 [2022-01-10 00:20:58,046 INFO L226 Difference]: Without dead ends: 11942 [2022-01-10 00:20:58,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:20:58,052 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 319 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-10 00:20:58,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 581 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-10 00:20:58,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11942 states. [2022-01-10 00:20:58,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11942 to 11848. [2022-01-10 00:20:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.046509664894066) internal successors, (12398), 11847 states have internal predecessors, (12398), 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) [2022-01-10 00:20:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12398 transitions. [2022-01-10 00:20:58,159 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12398 transitions. Word has length 1204 [2022-01-10 00:20:58,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:20:58,159 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12398 transitions. [2022-01-10 00:20:58,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 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) [2022-01-10 00:20:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12398 transitions. [2022-01-10 00:20:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1219 [2022-01-10 00:20:58,180 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:20:58,180 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 00:20:58,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 00:20:58,181 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:20:58,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:20:58,181 INFO L85 PathProgramCache]: Analyzing trace with hash -10472657, now seen corresponding path program 1 times [2022-01-10 00:20:58,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:20:58,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397886663] [2022-01-10 00:20:58,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:20:58,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:20:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:20:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1747 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2022-01-10 00:20:58,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:20:58,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397886663] [2022-01-10 00:20:58,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397886663] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:20:58,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:20:58,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 00:20:58,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515686209] [2022-01-10 00:20:58,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:20:58,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 00:20:58,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:20:58,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 00:20:58,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 00:20:58,652 INFO L87 Difference]: Start difference. First operand 11848 states and 12398 transitions. Second operand has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 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) [2022-01-10 00:21:00,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:21:00,063 INFO L93 Difference]: Finished difference Result 23706 states and 24828 transitions. [2022-01-10 00:21:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 00:21:00,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 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 1218 [2022-01-10 00:21:00,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:21:00,077 INFO L225 Difference]: With dead ends: 23706 [2022-01-10 00:21:00,077 INFO L226 Difference]: Without dead ends: 12518 [2022-01-10 00:21:00,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 00:21:00,086 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 603 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2067 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-10 00:21:00,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [603 Valid, 442 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2067 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-10 00:21:00,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12518 states. [2022-01-10 00:21:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12518 to 12177. [2022-01-10 00:21:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 12176 states have (on average 1.0464027595269383) internal successors, (12741), 12176 states have internal predecessors, (12741), 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) [2022-01-10 00:21:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 12741 transitions. [2022-01-10 00:21:00,215 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 12741 transitions. Word has length 1218 [2022-01-10 00:21:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:21:00,216 INFO L470 AbstractCegarLoop]: Abstraction has 12177 states and 12741 transitions. [2022-01-10 00:21:00,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 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) [2022-01-10 00:21:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 12741 transitions. [2022-01-10 00:21:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1247 [2022-01-10 00:21:00,237 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:21:00,238 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:21:00,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 00:21:00,238 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:21:00,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:21:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash 345261702, now seen corresponding path program 1 times [2022-01-10 00:21:00,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:21:00,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667088135] [2022-01-10 00:21:00,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:21:00,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:21:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:21:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2999 backedges. 1186 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2022-01-10 00:21:00,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:21:00,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667088135] [2022-01-10 00:21:00,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667088135] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:21:00,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:21:00,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:21:00,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333008829] [2022-01-10 00:21:00,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:21:00,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:21:00,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:21:00,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:21:00,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:21:00,657 INFO L87 Difference]: Start difference. First operand 12177 states and 12741 transitions. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2022-01-10 00:21:01,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:21:01,377 INFO L93 Difference]: Finished difference Result 26326 states and 27598 transitions. [2022-01-10 00:21:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:21:01,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 1246 [2022-01-10 00:21:01,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:21:01,394 INFO L225 Difference]: With dead ends: 26326 [2022-01-10 00:21:01,394 INFO L226 Difference]: Without dead ends: 13164 [2022-01-10 00:21:01,404 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:21:01,405 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 165 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 00:21:01,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 417 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 00:21:01,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2022-01-10 00:21:01,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 11848. [2022-01-10 00:21:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0388283953743565) internal successors, (12307), 11847 states have internal predecessors, (12307), 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) [2022-01-10 00:21:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12307 transitions. [2022-01-10 00:21:01,512 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12307 transitions. Word has length 1246 [2022-01-10 00:21:01,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:21:01,513 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12307 transitions. [2022-01-10 00:21:01,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2022-01-10 00:21:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12307 transitions. [2022-01-10 00:21:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1353 [2022-01-10 00:21:01,537 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:21:01,538 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:21:01,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-10 00:21:01,538 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:21:01,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:21:01,539 INFO L85 PathProgramCache]: Analyzing trace with hash 754126405, now seen corresponding path program 1 times [2022-01-10 00:21:01,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:21:01,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518051978] [2022-01-10 00:21:01,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:21:01,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:21:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:21:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3888 backedges. 2552 proven. 0 refuted. 0 times theorem prover too weak. 1336 trivial. 0 not checked. [2022-01-10 00:21:01,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:21:01,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518051978] [2022-01-10 00:21:01,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518051978] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:21:01,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:21:01,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:21:01,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12231149] [2022-01-10 00:21:01,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:21:01,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:21:01,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:21:01,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:21:01,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:21:01,910 INFO L87 Difference]: Start difference. First operand 11848 states and 12307 transitions. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2022-01-10 00:21:02,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:21:02,641 INFO L93 Difference]: Finished difference Result 23036 states and 23945 transitions. [2022-01-10 00:21:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:21:02,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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 1352 [2022-01-10 00:21:02,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:21:02,649 INFO L225 Difference]: With dead ends: 23036 [2022-01-10 00:21:02,650 INFO L226 Difference]: Without dead ends: 11848 [2022-01-10 00:21:02,652 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:21:02,652 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 194 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 00:21:02,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 418 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 00:21:02,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2022-01-10 00:21:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11519. [2022-01-10 00:21:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.0295190137176593) internal successors, (11858), 11518 states have internal predecessors, (11858), 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) [2022-01-10 00:21:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 11858 transitions. [2022-01-10 00:21:02,748 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 11858 transitions. Word has length 1352 [2022-01-10 00:21:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:21:02,748 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 11858 transitions. [2022-01-10 00:21:02,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2022-01-10 00:21:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 11858 transitions. [2022-01-10 00:21:02,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2022-01-10 00:21:02,768 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:21:02,769 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 00:21:02,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-10 00:21:02,769 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:21:02,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:21:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash -393120619, now seen corresponding path program 1 times [2022-01-10 00:21:02,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:21:02,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945774442] [2022-01-10 00:21:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:21:02,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:21:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:21:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4063 backedges. 2509 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-01-10 00:21:03,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:21:03,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945774442] [2022-01-10 00:21:03,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945774442] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:21:03,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:21:03,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:21:03,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572510757] [2022-01-10 00:21:03,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:21:03,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:21:03,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:21:03,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:21:03,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:21:03,246 INFO L87 Difference]: Start difference. First operand 11519 states and 11858 transitions. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 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) [2022-01-10 00:21:04,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:21:04,151 INFO L93 Difference]: Finished difference Result 23036 states and 23716 transitions. [2022-01-10 00:21:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:21:04,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 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 1377 [2022-01-10 00:21:04,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:21:04,161 INFO L225 Difference]: With dead ends: 23036 [2022-01-10 00:21:04,161 INFO L226 Difference]: Without dead ends: 12177 [2022-01-10 00:21:04,166 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:21:04,167 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 00:21:04,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 431 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 00:21:04,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2022-01-10 00:21:04,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 12177. [2022-01-10 00:21:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 12176 states have (on average 1.0283344283837057) internal successors, (12521), 12176 states have internal predecessors, (12521), 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) [2022-01-10 00:21:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 12521 transitions. [2022-01-10 00:21:04,305 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 12521 transitions. Word has length 1377 [2022-01-10 00:21:04,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:21:04,306 INFO L470 AbstractCegarLoop]: Abstraction has 12177 states and 12521 transitions. [2022-01-10 00:21:04,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 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) [2022-01-10 00:21:04,306 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 12521 transitions. [2022-01-10 00:21:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1432 [2022-01-10 00:21:04,325 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 00:21:04,326 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:21:04,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-10 00:21:04,326 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 00:21:04,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 00:21:04,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1390474096, now seen corresponding path program 1 times [2022-01-10 00:21:04,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 00:21:04,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624860302] [2022-01-10 00:21:04,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 00:21:04,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 00:21:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 00:21:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4037 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 3590 trivial. 0 not checked. [2022-01-10 00:21:04,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 00:21:04,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624860302] [2022-01-10 00:21:04,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624860302] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 00:21:04,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 00:21:04,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 00:21:04,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992912645] [2022-01-10 00:21:04,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 00:21:04,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 00:21:04,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 00:21:04,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 00:21:04,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 00:21:04,777 INFO L87 Difference]: Start difference. First operand 12177 states and 12521 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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) [2022-01-10 00:21:05,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 00:21:05,228 INFO L93 Difference]: Finished difference Result 12182 states and 12526 transitions. [2022-01-10 00:21:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 00:21:05,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 1431 [2022-01-10 00:21:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 00:21:05,230 INFO L225 Difference]: With dead ends: 12182 [2022-01-10 00:21:05,230 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 00:21:05,235 INFO L932 BasicCegarLoop]: 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 [2022-01-10 00:21:05,236 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 00:21:05,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 428 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 00:21:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 00:21:05,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 00:21:05,236 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) [2022-01-10 00:21:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 00:21:05,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1431 [2022-01-10 00:21:05,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 00:21:05,237 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 00:21:05,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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) [2022-01-10 00:21:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 00:21:05,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 00:21:05,240 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 00:21:05,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-10 00:21:05,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2022-01-10 00:21:07,999 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,000 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,001 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,002 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-01-10 00:21:08,003 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 7)) (.cse8 (<= (+ 87 ~a18~0) 0)) (.cse5 (<= ~a16~0 11)) (.cse1 (= ~a16~0 9)) (.cse6 (= ~a12~0 8)) (.cse3 (<= ~a15~0 3)) (.cse0 (= ~a12~0 9)) (.cse2 (= ~a16~0 8)) (.cse7 (<= ~a18~0 134))) (or (and .cse0 .cse1) (and .cse0 .cse2 (<= 4 ~a15~0)) (and .cse1 .cse3) (and .cse4 .cse5) (and .cse2 .cse6 .cse7) (and .cse0 .cse3 .cse8 .cse5) (and .cse3 .cse4) (and .cse2 .cse3 .cse8 .cse5) (and .cse1 .cse6) (and .cse3 .cse6) (and .cse0 .cse3 (<= 11 ~a16~0)) (and .cse0 .cse2 (not .cse7) (= ~a15~0 3)))) [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,004 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,005 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,006 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 7)) (.cse2 (= ~a16~0 8)) (.cse7 (<= (+ 87 ~a18~0) 0)) (.cse5 (<= ~a16~0 11)) (.cse1 (= ~a16~0 9)) (.cse6 (= ~a12~0 8)) (.cse0 (= ~a12~0 9)) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1) (and .cse0 .cse2 (<= 4 ~a15~0)) (and .cse1 .cse3) (and .cse4 .cse5) (and .cse2 .cse6 (<= ~a18~0 134)) (and .cse0 .cse3 .cse7 .cse5) (and .cse3 .cse4) (and .cse2 .cse3 .cse7 .cse5) (and .cse1 .cse6) (and .cse3 .cse6) (and .cse0 .cse3 (<= 11 ~a16~0)))) [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,007 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-01-10 00:21:08,008 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,009 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,010 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 7)) (.cse8 (<= (+ 87 ~a18~0) 0)) (.cse5 (<= ~a16~0 11)) (.cse1 (= ~a16~0 9)) (.cse6 (= ~a12~0 8)) (.cse3 (<= ~a15~0 3)) (.cse0 (= ~a12~0 9)) (.cse2 (= ~a16~0 8)) (.cse7 (<= ~a18~0 134))) (or (and .cse0 .cse1) (and .cse0 .cse2 (<= 4 ~a15~0)) (and .cse1 .cse3) (and .cse4 .cse5) (and .cse2 .cse6 .cse7) (and .cse0 .cse3 .cse8 .cse5) (and .cse3 .cse4) (and .cse2 .cse3 .cse8 .cse5) (and .cse1 .cse6) (and .cse3 .cse6) (and .cse0 .cse3 (<= 11 ~a16~0)) (and .cse0 .cse2 (not .cse7) (= ~a15~0 3)))) [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,011 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,012 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,013 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,013 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,013 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,013 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,015 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,015 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,015 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,015 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-01-10 00:21:08,016 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,017 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,018 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,019 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-01-10 00:21:08,020 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,021 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,022 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,023 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,024 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,025 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,026 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-01-10 00:21:08,027 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2022-01-10 00:21:08,028 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-01-10 00:21:08,029 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-01-10 00:21:08,029 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-01-10 00:21:08,031 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 00:21:08,033 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 00:21:08,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 12:21:08 BoogieIcfgContainer [2022-01-10 00:21:08,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 00:21:08,061 INFO L158 Benchmark]: Toolchain (without parser) took 35720.76ms. Allocated memory was 177.2MB in the beginning and 752.9MB in the end (delta: 575.7MB). Free memory was 118.3MB in the beginning and 676.4MB in the end (delta: -558.1MB). Peak memory consumption was 494.3MB. Max. memory is 8.0GB. [2022-01-10 00:21:08,061 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 00:21:08,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.97ms. Allocated memory was 177.2MB in the beginning and 291.5MB in the end (delta: 114.3MB). Free memory was 118.1MB in the beginning and 216.7MB in the end (delta: -98.5MB). Peak memory consumption was 18.4MB. Max. memory is 8.0GB. [2022-01-10 00:21:08,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.02ms. Allocated memory is still 291.5MB. Free memory was 216.7MB in the beginning and 193.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-01-10 00:21:08,062 INFO L158 Benchmark]: Boogie Preprocessor took 142.89ms. Allocated memory is still 291.5MB. Free memory was 193.1MB in the beginning and 180.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 00:21:08,062 INFO L158 Benchmark]: RCFGBuilder took 1831.13ms. Allocated memory is still 291.5MB. Free memory was 180.0MB in the beginning and 177.0MB in the end (delta: 2.9MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. [2022-01-10 00:21:08,063 INFO L158 Benchmark]: TraceAbstraction took 32827.27ms. Allocated memory was 291.5MB in the beginning and 752.9MB in the end (delta: 461.4MB). Free memory was 176.5MB in the beginning and 676.4MB in the end (delta: -499.9MB). Peak memory consumption was 436.8MB. Max. memory is 8.0GB. [2022-01-10 00:21:08,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 772.97ms. Allocated memory was 177.2MB in the beginning and 291.5MB in the end (delta: 114.3MB). Free memory was 118.1MB in the beginning and 216.7MB in the end (delta: -98.5MB). Peak memory consumption was 18.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 141.02ms. Allocated memory is still 291.5MB. Free memory was 216.7MB in the beginning and 193.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 142.89ms. Allocated memory is still 291.5MB. Free memory was 193.1MB in the beginning and 180.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1831.13ms. Allocated memory is still 291.5MB. Free memory was 180.0MB in the beginning and 177.0MB in the end (delta: 2.9MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. * TraceAbstraction took 32827.27ms. Allocated memory was 291.5MB in the beginning and 752.9MB in the end (delta: 461.4MB). Free memory was 176.5MB in the beginning and 676.4MB in the end (delta: -499.9MB). Peak memory consumption was 436.8MB. 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: 191]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.7s, OverallIterations: 18, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4386 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4386 mSDsluCounter, 5461 SdHoareTripleChecker+Invalid, 13.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 368 mSDsCounter, 2701 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17747 IncrementalHoareTripleChecker+Invalid, 20448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2701 mSolverCounterUnsat, 5093 mSDtfsCounter, 17747 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1617 GetRequests, 1577 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12177occurred in iteration=14, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 4092 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 156 NumberOfFragments, 338 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1356 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 9971 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 14918 NumberOfCodeBlocks, 14918 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 14898 ConstructedInterpolants, 0 QuantifiedInterpolants, 51659 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1840 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 20 InterpolantComputations, 18 PerfectInterpolantSequences, 27744/28692 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((a12 == 9 && a16 == 9) || ((a12 == 9 && a16 == 8) && 4 <= a15)) || (a16 == 9 && a15 <= 3)) || (a12 <= 7 && a16 <= 11)) || ((a16 == 8 && a12 == 8) && a18 <= 134)) || (((a12 == 9 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (a15 <= 3 && a12 <= 7)) || (((a16 == 8 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((a12 == 9 && a16 == 9) || ((a12 == 9 && a16 == 8) && 4 <= a15)) || (a16 == 9 && a15 <= 3)) || (a12 <= 7 && a16 <= 11)) || ((a16 == 8 && a12 == 8) && a18 <= 134)) || (((a12 == 9 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (a15 <= 3 && a12 <= 7)) || (((a16 == 8 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || (((a12 == 9 && a16 == 8) && !(a18 <= 134)) && a15 == 3) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((a12 == 9 && a16 == 9) || ((a12 == 9 && a16 == 8) && 4 <= a15)) || (a16 == 9 && a15 <= 3)) || (a12 <= 7 && a16 <= 11)) || ((a16 == 8 && a12 == 8) && a18 <= 134)) || (((a12 == 9 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (a15 <= 3 && a12 <= 7)) || (((a16 == 8 && a15 <= 3) && 87 + a18 <= 0) && a16 <= 11)) || (a16 == 9 && a12 == 8)) || (a15 <= 3 && a12 == 8)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || (((a12 == 9 && a16 == 8) && !(a18 <= 134)) && a15 == 3) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 00:21:08,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...