./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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/Problem10_label18.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 ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:00:54,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:00:54,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:00:54,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:00:54,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:00:54,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:00:54,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:00:54,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:00:54,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:00:54,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:00:54,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:00:54,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:00:54,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:00:54,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:00:54,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:00:54,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:00:54,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:00:54,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:00:54,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:00:54,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:00:54,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:00:54,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:00:54,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:00:54,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:00:54,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:00:54,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:00:54,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:00:54,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:00:54,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:00:54,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:00:54,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:00:54,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:00:54,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:00:54,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:00:54,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:00:54,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:00:54,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:00:54,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:00:54,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:00:54,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:00:54,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:00:54,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:00:54,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:00:54,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:00:54,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:00:54,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:00:54,574 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:00:54,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:00:54,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:00:54,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:00:54,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:00:54,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:00:54,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:00:54,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:00:54,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:00:54,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:00:54,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:00:54,578 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:00:54,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:00:54,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:00:54,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:00:54,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:00:54,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:00:54,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:00:54,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:00:54,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:00:54,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:00:54,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:00:54,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:00:54,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:00:54,581 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 -> ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 [2019-11-27 23:00:54,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:00:54,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:00:54,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:00:54,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:00:54,908 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:00:54,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2019-11-27 23:00:54,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e907c37/d3f73e38696341eab2bd8ba0c924bbd5/FLAG541696230 [2019-11-27 23:00:55,557 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:00:55,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2019-11-27 23:00:55,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e907c37/d3f73e38696341eab2bd8ba0c924bbd5/FLAG541696230 [2019-11-27 23:00:55,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4e907c37/d3f73e38696341eab2bd8ba0c924bbd5 [2019-11-27 23:00:55,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:00:55,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:00:55,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:00:55,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:00:55,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:00:55,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:00:55" (1/1) ... [2019-11-27 23:00:55,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:55, skipping insertion in model container [2019-11-27 23:00:55,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:00:55" (1/1) ... [2019-11-27 23:00:55,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:00:55,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:00:56,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:00:56,456 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:00:56,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:00:56,579 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:00:56,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56 WrapperNode [2019-11-27 23:00:56,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:00:56,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:00:56,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:00:56,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:00:56,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:00:56,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:00:56,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:00:56,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:00:56,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (1/1) ... [2019-11-27 23:00:56,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:00:56,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:00:56,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:00:56,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:00:56,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (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 [2019-11-27 23:00:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:00:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:00:58,449 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:00:58,450 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:00:58,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:58 BoogieIcfgContainer [2019-11-27 23:00:58,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:00:58,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:00:58,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:00:58,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:00:58,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:00:55" (1/3) ... [2019-11-27 23:00:58,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67724cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:00:58, skipping insertion in model container [2019-11-27 23:00:58,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:00:56" (2/3) ... [2019-11-27 23:00:58,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67724cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:00:58, skipping insertion in model container [2019-11-27 23:00:58,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:58" (3/3) ... [2019-11-27 23:00:58,462 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2019-11-27 23:00:58,474 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:00:58,484 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:00:58,498 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:00:58,540 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:00:58,541 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:00:58,541 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:00:58,541 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:00:58,541 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:00:58,542 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:00:58,542 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:00:58,542 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:00:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-27 23:00:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-27 23:00:58,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:00:58,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:00:58,590 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:00:58,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:00:58,598 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2019-11-27 23:00:58,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:00:58,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439027214] [2019-11-27 23:00:58,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:00:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:00:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:00:59,056 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439027214] [2019-11-27 23:00:59,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:00:59,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:00:59,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568408173] [2019-11-27 23:00:59,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:00:59,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:00:59,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:00:59,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:00:59,084 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-27 23:01:00,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:00,624 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2019-11-27 23:01:00,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:00,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-11-27 23:01:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:00,661 INFO L225 Difference]: With dead ends: 694 [2019-11-27 23:01:00,661 INFO L226 Difference]: Without dead ends: 421 [2019-11-27 23:01:00,674 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 [2019-11-27 23:01:00,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-27 23:01:00,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-27 23:01:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-27 23:01:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-27 23:01:00,769 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 58 [2019-11-27 23:01:00,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:00,770 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-27 23:01:00,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:00,770 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-27 23:01:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-27 23:01:00,776 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:00,776 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, 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] [2019-11-27 23:01:00,777 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:00,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:00,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1489536592, now seen corresponding path program 1 times [2019-11-27 23:01:00,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:00,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158663960] [2019-11-27 23:01:00,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:01,394 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:01,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158663960] [2019-11-27 23:01:01,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:01,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-27 23:01:01,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418745300] [2019-11-27 23:01:01,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:01:01,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:01,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:01:01,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:01:01,398 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 8 states. [2019-11-27 23:01:02,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:02,975 INFO L93 Difference]: Finished difference Result 715 states and 1090 transitions. [2019-11-27 23:01:02,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 23:01:02,977 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2019-11-27 23:01:02,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:02,981 INFO L225 Difference]: With dead ends: 715 [2019-11-27 23:01:02,982 INFO L226 Difference]: Without dead ends: 435 [2019-11-27 23:01:02,984 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-27 23:01:02,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-27 23:01:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 421. [2019-11-27 23:01:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-27 23:01:03,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 576 transitions. [2019-11-27 23:01:03,010 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 576 transitions. Word has length 173 [2019-11-27 23:01:03,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:03,011 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 576 transitions. [2019-11-27 23:01:03,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:01:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions. [2019-11-27 23:01:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-27 23:01:03,018 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:03,018 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:03,019 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:03,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:03,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1006637764, now seen corresponding path program 1 times [2019-11-27 23:01:03,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:03,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605838834] [2019-11-27 23:01:03,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:03,381 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-27 23:01:03,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605838834] [2019-11-27 23:01:03,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:03,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:03,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961783516] [2019-11-27 23:01:03,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:03,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:03,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:03,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:03,390 INFO L87 Difference]: Start difference. First operand 421 states and 576 transitions. Second operand 4 states. [2019-11-27 23:01:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:04,471 INFO L93 Difference]: Finished difference Result 1257 states and 1864 transitions. [2019-11-27 23:01:04,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:04,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 239 [2019-11-27 23:01:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:04,479 INFO L225 Difference]: With dead ends: 1257 [2019-11-27 23:01:04,479 INFO L226 Difference]: Without dead ends: 977 [2019-11-27 23:01:04,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:04,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-27 23:01:04,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2019-11-27 23:01:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-27 23:01:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 934 transitions. [2019-11-27 23:01:04,511 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 934 transitions. Word has length 239 [2019-11-27 23:01:04,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:04,512 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 934 transitions. [2019-11-27 23:01:04,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 934 transitions. [2019-11-27 23:01:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-27 23:01:04,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:04,519 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:04,520 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:04,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:04,520 INFO L82 PathProgramCache]: Analyzing trace with hash 6793205, now seen corresponding path program 1 times [2019-11-27 23:01:04,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:04,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041241781] [2019-11-27 23:01:04,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-27 23:01:04,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041241781] [2019-11-27 23:01:04,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:04,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:04,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435219] [2019-11-27 23:01:04,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:04,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:04,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:04,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:04,743 INFO L87 Difference]: Start difference. First operand 699 states and 934 transitions. Second operand 4 states. [2019-11-27 23:01:05,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:05,696 INFO L93 Difference]: Finished difference Result 1813 states and 2498 transitions. [2019-11-27 23:01:05,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:05,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-11-27 23:01:05,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:05,702 INFO L225 Difference]: With dead ends: 1813 [2019-11-27 23:01:05,702 INFO L226 Difference]: Without dead ends: 1255 [2019-11-27 23:01:05,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-11-27 23:01:05,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2019-11-27 23:01:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-11-27 23:01:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1063 transitions. [2019-11-27 23:01:05,730 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1063 transitions. Word has length 245 [2019-11-27 23:01:05,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:05,731 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1063 transitions. [2019-11-27 23:01:05,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1063 transitions. [2019-11-27 23:01:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-11-27 23:01:05,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:05,736 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:05,736 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:05,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:05,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1710958450, now seen corresponding path program 1 times [2019-11-27 23:01:05,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:05,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095260303] [2019-11-27 23:01:05,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-27 23:01:06,016 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095260303] [2019-11-27 23:01:06,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:06,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:06,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129880224] [2019-11-27 23:01:06,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:01:06,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:06,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:01:06,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:01:06,018 INFO L87 Difference]: Start difference. First operand 838 states and 1063 transitions. Second operand 3 states. [2019-11-27 23:01:06,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:06,640 INFO L93 Difference]: Finished difference Result 1674 states and 2159 transitions. [2019-11-27 23:01:06,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:01:06,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2019-11-27 23:01:06,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:06,646 INFO L225 Difference]: With dead ends: 1674 [2019-11-27 23:01:06,647 INFO L226 Difference]: Without dead ends: 977 [2019-11-27 23:01:06,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 23:01:06,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-27 23:01:06,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-27 23:01:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-27 23:01:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1212 transitions. [2019-11-27 23:01:06,676 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1212 transitions. Word has length 313 [2019-11-27 23:01:06,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:06,677 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1212 transitions. [2019-11-27 23:01:06,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:01:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1212 transitions. [2019-11-27 23:01:06,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-11-27 23:01:06,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:06,683 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, 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, 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] [2019-11-27 23:01:06,684 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:06,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1321369600, now seen corresponding path program 1 times [2019-11-27 23:01:06,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:06,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938434483] [2019-11-27 23:01:06,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-27 23:01:06,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938434483] [2019-11-27 23:01:06,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:06,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-27 23:01:06,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413062088] [2019-11-27 23:01:06,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:01:06,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:06,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:01:06,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:06,873 INFO L87 Difference]: Start difference. First operand 977 states and 1212 transitions. Second operand 5 states. [2019-11-27 23:01:08,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:08,245 INFO L93 Difference]: Finished difference Result 2647 states and 3277 transitions. [2019-11-27 23:01:08,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:01:08,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 322 [2019-11-27 23:01:08,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:08,252 INFO L225 Difference]: With dead ends: 2647 [2019-11-27 23:01:08,252 INFO L226 Difference]: Without dead ends: 977 [2019-11-27 23:01:08,254 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:08,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-27 23:01:08,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-27 23:01:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-27 23:01:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1096 transitions. [2019-11-27 23:01:08,278 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1096 transitions. Word has length 322 [2019-11-27 23:01:08,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:08,278 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1096 transitions. [2019-11-27 23:01:08,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:01:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1096 transitions. [2019-11-27 23:01:08,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-11-27 23:01:08,285 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:08,285 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-27 23:01:08,286 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:08,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:08,286 INFO L82 PathProgramCache]: Analyzing trace with hash -2054357862, now seen corresponding path program 1 times [2019-11-27 23:01:08,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:08,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634741805] [2019-11-27 23:01:08,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 367 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:08,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634741805] [2019-11-27 23:01:08,926 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385216880] [2019-11-27 23:01:08,926 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 [2019-11-27 23:01:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:09,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:01:09,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:01:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-27 23:01:09,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:01:09,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-27 23:01:09,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179212183] [2019-11-27 23:01:09,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:01:09,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:09,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:01:09,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:01:09,409 INFO L87 Difference]: Start difference. First operand 977 states and 1096 transitions. Second operand 3 states. [2019-11-27 23:01:10,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:10,049 INFO L93 Difference]: Finished difference Result 2508 states and 2857 transitions. [2019-11-27 23:01:10,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:01:10,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2019-11-27 23:01:10,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:10,059 INFO L225 Difference]: With dead ends: 2508 [2019-11-27 23:01:10,059 INFO L226 Difference]: Without dead ends: 1672 [2019-11-27 23:01:10,061 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-27 23:01:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2019-11-27 23:01:10,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2019-11-27 23:01:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2019-11-27 23:01:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1850 transitions. [2019-11-27 23:01:10,101 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1850 transitions. Word has length 358 [2019-11-27 23:01:10,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:10,102 INFO L462 AbstractCegarLoop]: Abstraction has 1672 states and 1850 transitions. [2019-11-27 23:01:10,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:01:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1850 transitions. [2019-11-27 23:01:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-11-27 23:01:10,110 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:10,111 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, 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, 2, 2, 2, 2, 2, 2, 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] [2019-11-27 23:01:10,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:01:10,315 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:10,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:10,316 INFO L82 PathProgramCache]: Analyzing trace with hash 396556598, now seen corresponding path program 1 times [2019-11-27 23:01:10,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:10,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22112511] [2019-11-27 23:01:10,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-11-27 23:01:10,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22112511] [2019-11-27 23:01:10,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:10,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:10,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311979617] [2019-11-27 23:01:10,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:10,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:10,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:10,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:10,682 INFO L87 Difference]: Start difference. First operand 1672 states and 1850 transitions. Second operand 4 states. [2019-11-27 23:01:11,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:11,706 INFO L93 Difference]: Finished difference Result 3896 states and 4395 transitions. [2019-11-27 23:01:11,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:11,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 371 [2019-11-27 23:01:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:11,708 INFO L225 Difference]: With dead ends: 3896 [2019-11-27 23:01:11,708 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:01:11,712 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:01:11,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:01:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:01:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:01:11,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 371 [2019-11-27 23:01:11,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:11,714 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:01:11,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:01:11,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:01:11,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:01:12,027 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-27 23:01:12,027 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,028 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,028 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,028 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,028 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,028 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,029 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-27 23:01:12,029 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-27 23:01:12,029 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-27 23:01:12,029 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:01:12,029 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-27 23:01:12,029 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-27 23:01:12,029 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,030 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,031 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,031 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-27 23:01:12,032 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-27 23:01:12,032 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-27 23:01:12,032 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-27 23:01:12,032 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-27 23:01:12,032 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-27 23:01:12,033 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-27 23:01:12,033 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-27 23:01:12,033 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-27 23:01:12,033 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-27 23:01:12,033 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-27 23:01:12,033 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-27 23:01:12,034 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-27 23:01:12,034 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-27 23:01:12,034 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,034 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,034 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,035 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,035 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,035 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-27 23:01:12,035 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:01:12,035 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:01:12,035 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-27 23:01:12,036 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-27 23:01:12,036 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-27 23:01:12,036 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (or (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= ~a10~0 4)) (and (not (= ~a19~0 10)) (not (= ~a19~0 6)))) [2019-11-27 23:01:12,037 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-27 23:01:12,037 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-27 23:01:12,037 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-27 23:01:12,037 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-27 23:01:12,037 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,038 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,038 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,038 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,038 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,038 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-27 23:01:12,038 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-27 23:01:12,039 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-27 23:01:12,039 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-27 23:01:12,039 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:01:12,039 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-27 23:01:12,039 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-27 23:01:12,040 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-27 23:01:12,040 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-27 23:01:12,040 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-27 23:01:12,040 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-27 23:01:12,040 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-27 23:01:12,041 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-27 23:01:12,041 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-27 23:01:12,041 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,041 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,041 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,042 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,042 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,042 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-27 23:01:12,042 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-27 23:01:12,042 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-27 23:01:12,043 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-27 23:01:12,043 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-27 23:01:12,043 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-27 23:01:12,043 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-27 23:01:12,043 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-27 23:01:12,043 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-27 23:01:12,044 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,044 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,044 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,044 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,044 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,045 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-27 23:01:12,045 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-27 23:01:12,045 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-27 23:01:12,045 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-27 23:01:12,045 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-27 23:01:12,045 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-27 23:01:12,046 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-27 23:01:12,046 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-27 23:01:12,046 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-27 23:01:12,046 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-27 23:01:12,046 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-27 23:01:12,046 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:01:12,047 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-27 23:01:12,047 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= ~a10~0 4)) (and (not (= ~a19~0 10)) (not (= ~a19~0 6)))) [2019-11-27 23:01:12,047 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-27 23:01:12,047 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,047 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,047 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,048 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,048 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-27 23:01:12,048 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,048 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,048 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-27 23:01:12,048 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-27 23:01:12,049 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-27 23:01:12,049 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-27 23:01:12,049 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-27 23:01:12,049 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-27 23:01:12,049 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-27 23:01:12,049 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-27 23:01:12,050 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-27 23:01:12,050 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-27 23:01:12,050 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-27 23:01:12,050 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-27 23:01:12,050 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-27 23:01:12,051 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,051 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,051 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,051 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,051 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,051 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,052 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-27 23:01:12,052 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-27 23:01:12,052 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-27 23:01:12,052 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:01:12,052 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-27 23:01:12,052 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-27 23:01:12,052 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-27 23:01:12,053 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-27 23:01:12,053 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-27 23:01:12,053 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-27 23:01:12,053 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-27 23:01:12,053 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-27 23:01:12,053 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-27 23:01:12,054 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-27 23:01:12,054 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-27 23:01:12,054 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-27 23:01:12,054 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,054 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,054 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,055 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,055 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,055 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,055 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-27 23:01:12,055 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-27 23:01:12,055 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:01:12,056 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-27 23:01:12,056 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-27 23:01:12,056 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-27 23:01:12,056 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:01:12,056 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:01:12,056 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-27 23:01:12,057 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-27 23:01:12,057 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-27 23:01:12,057 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-27 23:01:12,057 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-27 23:01:12,057 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-27 23:01:12,057 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,058 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,058 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,058 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,058 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,058 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,058 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-27 23:01:12,059 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-27 23:01:12,059 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-27 23:01:12,059 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-27 23:01:12,059 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-27 23:01:12,059 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-27 23:01:12,059 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:01:12,059 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-27 23:01:12,060 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-27 23:01:12,060 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-27 23:01:12,060 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-27 23:01:12,060 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:01:12,060 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2019-11-27 23:01:12,061 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-27 23:01:12,061 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,061 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,061 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,061 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,061 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,062 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:12,062 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-27 23:01:12,062 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-27 23:01:12,062 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-27 23:01:12,062 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-27 23:01:12,063 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-27 23:01:12,063 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-27 23:01:12,063 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-27 23:01:12,063 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-27 23:01:12,063 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-27 23:01:12,063 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-27 23:01:12,064 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-27 23:01:12,064 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-27 23:01:12,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:01:12 BoogieIcfgContainer [2019-11-27 23:01:12,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:01:12,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:01:12,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:01:12,084 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:01:12,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:00:58" (3/4) ... [2019-11-27 23:01:12,089 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:01:12,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:01:12,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:01:12,326 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:01:12,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:01:12,329 INFO L168 Benchmark]: Toolchain (without parser) took 16493.16 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 588.8 MB). Free memory was 946.9 MB in the beginning and 1.6 GB in the end (delta: -622.9 MB). Peak memory consumption was 567.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:12,329 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:01:12,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:12,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.83 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:12,331 INFO L168 Benchmark]: Boogie Preprocessor took 119.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:01:12,331 INFO L168 Benchmark]: RCFGBuilder took 1625.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.6 MB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:12,332 INFO L168 Benchmark]: TraceAbstraction took 13630.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 289.9 MB). Free memory was 967.6 MB in the beginning and 793.0 MB in the end (delta: 174.6 MB). Peak memory consumption was 464.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:12,332 INFO L168 Benchmark]: Witness Printer took 242.47 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 175.1 MB). Free memory was 793.0 MB in the beginning and 1.6 GB in the end (delta: -776.9 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. [2019-11-27 23:01:12,335 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 744.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.83 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1625.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.6 MB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13630.16 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 289.9 MB). Free memory was 967.6 MB in the beginning and 793.0 MB in the end (delta: 174.6 MB). Peak memory consumption was 464.6 MB. Max. memory is 11.5 GB. * Witness Printer took 242.47 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 175.1 MB). Free memory was 793.0 MB in the beginning and 1.6 GB in the end (delta: -776.9 MB). Peak memory consumption was 8.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: 582]: Loop Invariant Derived loop invariant: ((a1 + 333899 <= 0 && a19 <= 8) || !(a10 == 4)) || (!(a19 == 10) && !(a19 == 6)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a1 + 333899 <= 0 && a19 <= 8) || !(a10 == 4)) || (!(a19 == 10) && !(a19 == 6)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 13.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 787 SDtfs, 1781 SDslu, 105 SDs, 0 SdLazy, 5769 SolverSat, 1057 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 369 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 848 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 47 HoareAnnotationTreeSize, 3 FomulaSimplifications, 6031 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 808 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2437 NumberOfCodeBlocks, 2437 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2428 ConstructedInterpolants, 0 QuantifiedInterpolants, 2350058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 2365/2410 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...