./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem14_label16.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:14:30,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:14:30,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:14:30,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:14:30,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:14:30,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:14:30,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:14:30,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:14:30,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:14:30,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:14:30,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:14:30,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:14:30,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:14:30,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:14:30,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:14:30,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:14:30,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:14:30,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:14:30,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:14:30,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:14:30,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:14:30,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:14:30,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:14:30,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:14:30,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:14:30,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:14:30,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:14:30,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:14:30,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:14:30,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:14:30,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:14:30,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:14:30,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:14:30,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:14:30,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:14:30,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:14:30,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:14:30,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:14:30,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:14:30,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:14:30,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:14:30,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:14:30,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:14:30,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:14:30,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:14:30,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:14:30,464 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:14:30,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:14:30,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:14:30,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:14:30,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:14:30,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:14:30,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:14:30,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:14:30,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:14:30,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:14:30,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:14:30,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:14:30,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:14:30,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:14:30,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:14:30,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:14:30,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:14:30,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:14:30,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:14:30,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:14:30,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:14:30,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:14:30,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:14:30,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:14:30,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:14:30,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce859596a7dc2f5d38fc628bcb14c9aa267e8ac4 [2019-11-28 16:14:30,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:14:30,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:14:30,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:14:30,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:14:30,801 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:14:30,802 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2019-11-28 16:14:30,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cdd56fb/4115c357a1664d65b42e1c0288f1f298/FLAG24e9ef15a [2019-11-28 16:14:31,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:14:31,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2019-11-28 16:14:31,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cdd56fb/4115c357a1664d65b42e1c0288f1f298/FLAG24e9ef15a [2019-11-28 16:14:31,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cdd56fb/4115c357a1664d65b42e1c0288f1f298 [2019-11-28 16:14:31,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:14:31,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:14:31,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:14:31,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:14:31,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:14:31,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:14:31" (1/1) ... [2019-11-28 16:14:31,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5596f513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:31, skipping insertion in model container [2019-11-28 16:14:31,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:14:31" (1/1) ... [2019-11-28 16:14:31,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:14:31,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:14:32,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:14:32,373 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:14:32,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:14:32,684 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:14:32,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32 WrapperNode [2019-11-28 16:14:32,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:14:32,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:14:32,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:14:32,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:14:32,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:14:32,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:14:32,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:14:32,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:14:32,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:14:32,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:14:32,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:14:32,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:14:32,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:14:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:14:33,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:14:34,831 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:14:34,831 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 16:14:34,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:14:34 BoogieIcfgContainer [2019-11-28 16:14:34,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:14:34,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:14:34,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:14:34,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:14:34,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:14:31" (1/3) ... [2019-11-28 16:14:34,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c13a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:14:34, skipping insertion in model container [2019-11-28 16:14:34,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (2/3) ... [2019-11-28 16:14:34,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c13a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:14:34, skipping insertion in model container [2019-11-28 16:14:34,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:14:34" (3/3) ... [2019-11-28 16:14:34,845 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label16.c [2019-11-28 16:14:34,856 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:14:34,864 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:14:34,879 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:14:34,920 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:14:34,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:14:34,921 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:14:34,921 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:14:34,923 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:14:34,923 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:14:34,923 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:14:34,924 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:14:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-28 16:14:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-28 16:14:34,956 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:34,957 INFO L410 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] [2019-11-28 16:14:34,957 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:34,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:34,965 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2019-11-28 16:14:34,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:34,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602893059] [2019-11-28 16:14:34,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:14:35,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602893059] [2019-11-28 16:14:35,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:14:35,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:14:35,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898773390] [2019-11-28 16:14:35,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:14:35,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:35,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:14:35,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:14:35,349 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-28 16:14:37,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:37,465 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2019-11-28 16:14:37,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:14:37,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2019-11-28 16:14:37,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:37,500 INFO L225 Difference]: With dead ends: 866 [2019-11-28 16:14:37,501 INFO L226 Difference]: Without dead ends: 538 [2019-11-28 16:14:37,511 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:14:37,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-28 16:14:37,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-28 16:14:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-28 16:14:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 784 transitions. [2019-11-28 16:14:37,629 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 784 transitions. Word has length 46 [2019-11-28 16:14:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:37,630 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 784 transitions. [2019-11-28 16:14:37,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:14:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 784 transitions. [2019-11-28 16:14:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-28 16:14:37,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:37,642 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:14:37,642 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:37,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:37,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1797285072, now seen corresponding path program 1 times [2019-11-28 16:14:37,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:37,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198540495] [2019-11-28 16:14:37,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:38,175 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:14:38,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198540495] [2019-11-28 16:14:38,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:14:38,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 16:14:38,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099530167] [2019-11-28 16:14:38,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:14:38,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:38,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:14:38,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:38,179 INFO L87 Difference]: Start difference. First operand 538 states and 784 transitions. Second operand 6 states. [2019-11-28 16:14:40,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:40,185 INFO L93 Difference]: Finished difference Result 1608 states and 2268 transitions. [2019-11-28 16:14:40,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:14:40,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2019-11-28 16:14:40,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:40,195 INFO L225 Difference]: With dead ends: 1608 [2019-11-28 16:14:40,195 INFO L226 Difference]: Without dead ends: 1072 [2019-11-28 16:14:40,198 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:14:40,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-11-28 16:14:40,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2019-11-28 16:14:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2019-11-28 16:14:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1450 transitions. [2019-11-28 16:14:40,223 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1450 transitions. Word has length 154 [2019-11-28 16:14:40,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:40,224 INFO L462 AbstractCegarLoop]: Abstraction has 1072 states and 1450 transitions. [2019-11-28 16:14:40,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:14:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1450 transitions. [2019-11-28 16:14:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-28 16:14:40,228 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:40,228 INFO L410 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, 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] [2019-11-28 16:14:40,229 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:40,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:40,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1175585601, now seen corresponding path program 1 times [2019-11-28 16:14:40,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:40,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258786916] [2019-11-28 16:14:40,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-28 16:14:40,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258786916] [2019-11-28 16:14:40,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:14:40,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:14:40,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899694286] [2019-11-28 16:14:40,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:14:40,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:40,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:14:40,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:14:40,348 INFO L87 Difference]: Start difference. First operand 1072 states and 1450 transitions. Second operand 4 states. [2019-11-28 16:14:41,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:41,727 INFO L93 Difference]: Finished difference Result 3210 states and 4418 transitions. [2019-11-28 16:14:41,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:14:41,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2019-11-28 16:14:41,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:41,740 INFO L225 Difference]: With dead ends: 3210 [2019-11-28 16:14:41,740 INFO L226 Difference]: Without dead ends: 2140 [2019-11-28 16:14:41,743 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:14:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-11-28 16:14:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1606. [2019-11-28 16:14:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2019-11-28 16:14:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2099 transitions. [2019-11-28 16:14:41,780 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2099 transitions. Word has length 220 [2019-11-28 16:14:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:41,781 INFO L462 AbstractCegarLoop]: Abstraction has 1606 states and 2099 transitions. [2019-11-28 16:14:41,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:14:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2099 transitions. [2019-11-28 16:14:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-28 16:14:41,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:41,797 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-28 16:14:41,797 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:41,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:41,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1630004292, now seen corresponding path program 1 times [2019-11-28 16:14:41,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:41,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334191764] [2019-11-28 16:14:41,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 16:14:42,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334191764] [2019-11-28 16:14:42,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741835676] [2019-11-28 16:14:42,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:42,288 INFO L264 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 16:14:42,299 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:14:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-28 16:14:42,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 16:14:42,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-28 16:14:42,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609505982] [2019-11-28 16:14:42,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 16:14:42,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:42,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 16:14:42,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:42,390 INFO L87 Difference]: Start difference. First operand 1606 states and 2099 transitions. Second operand 3 states. [2019-11-28 16:14:43,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:43,236 INFO L93 Difference]: Finished difference Result 4634 states and 6108 transitions. [2019-11-28 16:14:43,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:14:43,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2019-11-28 16:14:43,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:43,253 INFO L225 Difference]: With dead ends: 4634 [2019-11-28 16:14:43,253 INFO L226 Difference]: Without dead ends: 3030 [2019-11-28 16:14:43,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:43,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-11-28 16:14:43,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2019-11-28 16:14:43,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-11-28 16:14:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3859 transitions. [2019-11-28 16:14:43,331 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3859 transitions. Word has length 234 [2019-11-28 16:14:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:43,332 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3859 transitions. [2019-11-28 16:14:43,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 16:14:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3859 transitions. [2019-11-28 16:14:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-28 16:14:43,336 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:43,345 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-28 16:14:43,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:43,553 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:43,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:43,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1477208081, now seen corresponding path program 1 times [2019-11-28 16:14:43,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:43,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770932673] [2019-11-28 16:14:43,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 16:14:43,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770932673] [2019-11-28 16:14:43,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755681083] [2019-11-28 16:14:43,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:43,961 INFO L264 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 16:14:43,967 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:14:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-28 16:14:44,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 16:14:44,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-28 16:14:44,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763114327] [2019-11-28 16:14:44,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 16:14:44,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:44,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 16:14:44,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:44,039 INFO L87 Difference]: Start difference. First operand 3030 states and 3859 transitions. Second operand 3 states. [2019-11-28 16:14:44,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:44,924 INFO L93 Difference]: Finished difference Result 6948 states and 8962 transitions. [2019-11-28 16:14:44,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:14:44,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-11-28 16:14:44,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:44,945 INFO L225 Difference]: With dead ends: 6948 [2019-11-28 16:14:44,945 INFO L226 Difference]: Without dead ends: 3920 [2019-11-28 16:14:44,953 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:44,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-11-28 16:14:45,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2019-11-28 16:14:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-28 16:14:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4965 transitions. [2019-11-28 16:14:45,053 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4965 transitions. Word has length 252 [2019-11-28 16:14:45,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:45,054 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 4965 transitions. [2019-11-28 16:14:45,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 16:14:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4965 transitions. [2019-11-28 16:14:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2019-11-28 16:14:45,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:45,063 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:14:45,275 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:45,276 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:45,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1003247468, now seen corresponding path program 1 times [2019-11-28 16:14:45,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:45,278 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655415530] [2019-11-28 16:14:45,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 255 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-11-28 16:14:45,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655415530] [2019-11-28 16:14:45,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305021047] [2019-11-28 16:14:45,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:45,637 INFO L264 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 16:14:45,648 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:14:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2019-11-28 16:14:45,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 16:14:45,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-28 16:14:45,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522907756] [2019-11-28 16:14:45,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 16:14:45,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:45,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 16:14:45,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:45,740 INFO L87 Difference]: Start difference. First operand 3920 states and 4965 transitions. Second operand 3 states. [2019-11-28 16:14:46,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:46,618 INFO L93 Difference]: Finished difference Result 4810 states and 6071 transitions. [2019-11-28 16:14:46,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:14:46,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 335 [2019-11-28 16:14:46,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:46,619 INFO L225 Difference]: With dead ends: 4810 [2019-11-28 16:14:46,619 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:14:46,625 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 334 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:46,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:14:46,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:14:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:14:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:14:46,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2019-11-28 16:14:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:46,626 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:14:46,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 16:14:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:14:46,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:14:46,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:46,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:14:46,945 INFO L246 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-28 16:14:46,946 INFO L246 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-28 16:14:46,946 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,947 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,947 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,947 INFO L246 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-28 16:14:46,947 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-28 16:14:46,947 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-28 16:14:46,947 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-28 16:14:46,948 INFO L246 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-28 16:14:46,948 INFO L246 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-28 16:14:46,948 INFO L246 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-28 16:14:46,948 INFO L246 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-28 16:14:46,948 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,948 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,948 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,949 INFO L246 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-28 16:14:46,949 INFO L246 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-28 16:14:46,949 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-28 16:14:46,949 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-28 16:14:46,949 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-28 16:14:46,949 INFO L246 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-28 16:14:46,950 INFO L246 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-28 16:14:46,950 INFO L246 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-28 16:14:46,950 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,950 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,950 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,950 INFO L246 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-28 16:14:46,950 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-28 16:14:46,951 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,952 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,952 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,952 INFO L246 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-28 16:14:46,952 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-28 16:14:46,953 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-28 16:14:46,953 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-28 16:14:46,953 INFO L246 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-28 16:14:46,953 INFO L246 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-28 16:14:46,953 INFO L246 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-28 16:14:46,954 INFO L246 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-28 16:14:46,955 INFO L246 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-28 16:14:46,956 INFO L246 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-28 16:14:46,957 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-28 16:14:46,958 INFO L246 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-28 16:14:46,959 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-28 16:14:46,960 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-28 16:14:46,961 INFO L246 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-28 16:14:46,962 INFO L246 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-28 16:14:46,963 INFO L246 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-28 16:14:46,964 INFO L246 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-28 16:14:46,965 INFO L246 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-28 16:14:46,965 INFO L246 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-28 16:14:46,965 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,965 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,965 INFO L242 CegarLoopResult]: At program point L871(lines 20 872) the Hoare annotation is: (or (<= 9 ~a21~0) (<= ~a12~0 80) (<= 7 ~a15~0) (<= ~a21~0 7)) [2019-11-28 16:14:46,965 INFO L246 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,966 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L249 CegarLoopResult]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-28 16:14:46,967 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-28 16:14:46,968 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L242 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 9 ~a21~0) (<= ~a12~0 80) (<= 7 ~a15~0) (<= ~a21~0 7)) [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-28 16:14:46,969 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,970 INFO L246 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,971 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-28 16:14:46,972 INFO L246 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-28 16:14:46,973 INFO L246 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-28 16:14:46,974 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-28 16:14:46,975 INFO L246 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-28 16:14:46,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:14:46 BoogieIcfgContainer [2019-11-28 16:14:46,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:14:46,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:14:47,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:14:47,000 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:14:47,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:14:34" (3/4) ... [2019-11-28 16:14:47,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:14:47,031 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:14:47,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:14:47,252 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:14:47,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:14:47,255 INFO L168 Benchmark]: Toolchain (without parser) took 15515.68 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 445.1 MB). Free memory was 956.3 MB in the beginning and 1.3 GB in the end (delta: -348.4 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:47,256 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:14:47,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:47,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:47,257 INFO L168 Benchmark]: Boogie Preprocessor took 140.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:47,258 INFO L168 Benchmark]: RCFGBuilder took 1848.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.1 MB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:47,258 INFO L168 Benchmark]: TraceAbstraction took 12163.41 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 295.2 MB). Free memory was 971.1 MB in the beginning and 1.3 GB in the end (delta: -357.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:14:47,259 INFO L168 Benchmark]: Witness Printer took 253.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:47,261 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 945.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 140.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1848.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.1 MB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12163.41 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 295.2 MB). Free memory was 971.1 MB in the beginning and 1.3 GB in the end (delta: -357.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 253.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((9 <= a21 || a12 <= 80) || 7 <= a15) || a21 <= 7 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((9 <= a21 || a12 <= 80) || 7 <= a15) || a21 <= 7 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 11.9s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 515 SDtfs, 1773 SDslu, 51 SDs, 0 SdLazy, 4741 SolverSat, 918 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 846 GetRequests, 821 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 534 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 60 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 830 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2062 NumberOfCodeBlocks, 2062 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2053 ConstructedInterpolants, 0 QuantifiedInterpolants, 1700772 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1090 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 1627/1639 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...