./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label17.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 aac67f6dc6529e5dab098a5e1960c3e19b78df96 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:43:08,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:43:08,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:43:08,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:43:08,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:43:08,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:43:08,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:43:08,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:43:08,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:43:08,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:43:08,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:43:08,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:43:08,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:43:08,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:43:08,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:43:08,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:43:08,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:43:08,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:43:08,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:43:08,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:43:08,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:43:08,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:43:08,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:43:08,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:43:08,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:43:08,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:43:08,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:43:08,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:43:08,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:43:08,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:43:08,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:43:08,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:43:08,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:43:08,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:43:08,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:43:08,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:43:08,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:43:08,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:43:08,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:43:08,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:43:08,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:43:08,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:43:08,656 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:43:08,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:43:08,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:43:08,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:43:08,661 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:43:08,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:43:08,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:43:08,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:43:08,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:43:08,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:43:08,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:43:08,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:43:08,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:43:08,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:43:08,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:43:08,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:43:08,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:43:08,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:43:08,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:43:08,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:43:08,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:43:08,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:43:08,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:43:08,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:43:08,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:43:08,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:43:08,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:43:08,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:43:08,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:43:08,670 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 -> aac67f6dc6529e5dab098a5e1960c3e19b78df96 [2019-11-28 15:43:09,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:43:09,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:43:09,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:43:09,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:43:09,054 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:43:09,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2019-11-28 15:43:09,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b661e75a/871988fb91ab4fc9a38a5440e8c9db0c/FLAG596dd7cbe [2019-11-28 15:43:09,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:43:09,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2019-11-28 15:43:09,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b661e75a/871988fb91ab4fc9a38a5440e8c9db0c/FLAG596dd7cbe [2019-11-28 15:43:09,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b661e75a/871988fb91ab4fc9a38a5440e8c9db0c [2019-11-28 15:43:09,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:43:09,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:43:09,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:43:09,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:43:09,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:43:09,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:09" (1/1) ... [2019-11-28 15:43:09,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:09, skipping insertion in model container [2019-11-28 15:43:09,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:09" (1/1) ... [2019-11-28 15:43:10,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:43:10,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:43:10,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:43:10,670 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:43:10,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:43:10,798 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:43:10,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10 WrapperNode [2019-11-28 15:43:10,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:43:10,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:43:10,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:43:10,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:43:10,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:43:10,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:43:10,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:43:10,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:43:10,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... [2019-11-28 15:43:10,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:43:10,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:43:10,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:43:10,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:43:10,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:43:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:43:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:43:12,331 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:43:12,332 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:43:12,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:12 BoogieIcfgContainer [2019-11-28 15:43:12,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:43:12,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:43:12,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:43:12,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:43:12,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:43:09" (1/3) ... [2019-11-28 15:43:12,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d17968a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:12, skipping insertion in model container [2019-11-28 15:43:12,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:10" (2/3) ... [2019-11-28 15:43:12,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d17968a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:43:12, skipping insertion in model container [2019-11-28 15:43:12,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:12" (3/3) ... [2019-11-28 15:43:12,345 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2019-11-28 15:43:12,357 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:43:12,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:43:12,384 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:43:12,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:43:12,418 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:43:12,418 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:43:12,418 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:43:12,419 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:43:12,419 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:43:12,419 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:43:12,420 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:43:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-28 15:43:12,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-28 15:43:12,460 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:12,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:12,462 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:12,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:12,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1514784255, now seen corresponding path program 1 times [2019-11-28 15:43:12,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:12,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822038634] [2019-11-28 15:43:12,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:43:13,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822038634] [2019-11-28 15:43:13,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:13,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:43:13,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292910656] [2019-11-28 15:43:13,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:43:13,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:13,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:43:13,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:13,107 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-28 15:43:14,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:14,493 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-28 15:43:14,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:43:14,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-11-28 15:43:14,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:14,514 INFO L225 Difference]: With dead ends: 662 [2019-11-28 15:43:14,514 INFO L226 Difference]: Without dead ends: 397 [2019-11-28 15:43:14,519 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:14,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-28 15:43:14,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-11-28 15:43:14,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-28 15:43:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2019-11-28 15:43:14,589 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 116 [2019-11-28 15:43:14,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:14,590 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2019-11-28 15:43:14,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:43:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2019-11-28 15:43:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-28 15:43:14,595 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:14,595 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:14,595 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:14,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:14,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1017148654, now seen corresponding path program 1 times [2019-11-28 15:43:14,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:14,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358117937] [2019-11-28 15:43:14,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:43:14,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358117937] [2019-11-28 15:43:14,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:14,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:43:14,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118765599] [2019-11-28 15:43:14,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:43:14,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:14,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:43:14,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:14,763 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 4 states. [2019-11-28 15:43:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:15,667 INFO L93 Difference]: Finished difference Result 1447 states and 2019 transitions. [2019-11-28 15:43:15,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:43:15,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-11-28 15:43:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:15,679 INFO L225 Difference]: With dead ends: 1447 [2019-11-28 15:43:15,680 INFO L226 Difference]: Without dead ends: 1052 [2019-11-28 15:43:15,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:15,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-11-28 15:43:15,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2019-11-28 15:43:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-28 15:43:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1048 transitions. [2019-11-28 15:43:15,763 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1048 transitions. Word has length 123 [2019-11-28 15:43:15,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:15,766 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1048 transitions. [2019-11-28 15:43:15,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:43:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1048 transitions. [2019-11-28 15:43:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-28 15:43:15,778 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:15,778 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:15,778 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:15,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:15,779 INFO L82 PathProgramCache]: Analyzing trace with hash -919287317, now seen corresponding path program 1 times [2019-11-28 15:43:15,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:15,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636062303] [2019-11-28 15:43:15,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 15:43:15,879 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636062303] [2019-11-28 15:43:15,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:15,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:43:15,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141269321] [2019-11-28 15:43:15,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:43:15,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:15,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:43:15,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:15,885 INFO L87 Difference]: Start difference. First operand 790 states and 1048 transitions. Second operand 4 states. [2019-11-28 15:43:16,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:16,586 INFO L93 Difference]: Finished difference Result 1709 states and 2261 transitions. [2019-11-28 15:43:16,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:16,593 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-11-28 15:43:16,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:16,598 INFO L225 Difference]: With dead ends: 1709 [2019-11-28 15:43:16,598 INFO L226 Difference]: Without dead ends: 921 [2019-11-28 15:43:16,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-11-28 15:43:16,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2019-11-28 15:43:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-11-28 15:43:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1167 transitions. [2019-11-28 15:43:16,624 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1167 transitions. Word has length 134 [2019-11-28 15:43:16,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:16,624 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1167 transitions. [2019-11-28 15:43:16,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:43:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1167 transitions. [2019-11-28 15:43:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-28 15:43:16,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:16,628 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:16,628 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:16,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:16,629 INFO L82 PathProgramCache]: Analyzing trace with hash -591434096, now seen corresponding path program 1 times [2019-11-28 15:43:16,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:16,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743790399] [2019-11-28 15:43:16,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:43:16,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743790399] [2019-11-28 15:43:16,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:16,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:43:16,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775829120] [2019-11-28 15:43:16,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:43:16,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:16,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:43:16,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:43:16,745 INFO L87 Difference]: Start difference. First operand 921 states and 1167 transitions. Second operand 3 states. [2019-11-28 15:43:17,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:17,400 INFO L93 Difference]: Finished difference Result 2495 states and 3186 transitions. [2019-11-28 15:43:17,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:17,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-28 15:43:17,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:17,410 INFO L225 Difference]: With dead ends: 2495 [2019-11-28 15:43:17,411 INFO L226 Difference]: Without dead ends: 1445 [2019-11-28 15:43:17,414 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:43:17,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-11-28 15:43:17,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1314. [2019-11-28 15:43:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-11-28 15:43:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1519 transitions. [2019-11-28 15:43:17,456 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1519 transitions. Word has length 136 [2019-11-28 15:43:17,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:17,457 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1519 transitions. [2019-11-28 15:43:17,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:43:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1519 transitions. [2019-11-28 15:43:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-28 15:43:17,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:17,461 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:17,462 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash 970078500, now seen corresponding path program 1 times [2019-11-28 15:43:17,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:17,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28733228] [2019-11-28 15:43:17,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 15:43:17,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28733228] [2019-11-28 15:43:17,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:17,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:43:17,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835908033] [2019-11-28 15:43:17,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:43:17,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:17,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:43:17,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:43:17,621 INFO L87 Difference]: Start difference. First operand 1314 states and 1519 transitions. Second operand 4 states. [2019-11-28 15:43:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:18,325 INFO L93 Difference]: Finished difference Result 2762 states and 3183 transitions. [2019-11-28 15:43:18,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 15:43:18,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-11-28 15:43:18,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:18,337 INFO L225 Difference]: With dead ends: 2762 [2019-11-28 15:43:18,339 INFO L226 Difference]: Without dead ends: 1450 [2019-11-28 15:43:18,342 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:43:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2019-11-28 15:43:18,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1445. [2019-11-28 15:43:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-11-28 15:43:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1653 transitions. [2019-11-28 15:43:18,390 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1653 transitions. Word has length 144 [2019-11-28 15:43:18,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:18,392 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1653 transitions. [2019-11-28 15:43:18,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:43:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1653 transitions. [2019-11-28 15:43:18,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-28 15:43:18,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:18,399 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:18,399 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:18,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:18,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1716019364, now seen corresponding path program 1 times [2019-11-28 15:43:18,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:18,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837230343] [2019-11-28 15:43:18,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 15:43:18,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837230343] [2019-11-28 15:43:18,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:18,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:43:18,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892697340] [2019-11-28 15:43:18,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 15:43:18,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:18,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 15:43:18,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:43:18,548 INFO L87 Difference]: Start difference. First operand 1445 states and 1653 transitions. Second operand 5 states. [2019-11-28 15:43:19,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:19,665 INFO L93 Difference]: Finished difference Result 3019 states and 3466 transitions. [2019-11-28 15:43:19,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 15:43:19,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2019-11-28 15:43:19,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:19,674 INFO L225 Difference]: With dead ends: 3019 [2019-11-28 15:43:19,675 INFO L226 Difference]: Without dead ends: 1707 [2019-11-28 15:43:19,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:43:19,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-28 15:43:19,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2019-11-28 15:43:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-28 15:43:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1782 transitions. [2019-11-28 15:43:19,756 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1782 transitions. Word has length 148 [2019-11-28 15:43:19,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:19,756 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1782 transitions. [2019-11-28 15:43:19,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 15:43:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1782 transitions. [2019-11-28 15:43:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-28 15:43:19,761 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:19,761 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:19,761 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:19,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1859761211, now seen corresponding path program 1 times [2019-11-28 15:43:19,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:19,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916436269] [2019-11-28 15:43:19,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:43:19,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916436269] [2019-11-28 15:43:19,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:43:19,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:43:19,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158243951] [2019-11-28 15:43:19,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 15:43:19,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:19,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 15:43:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:43:19,880 INFO L87 Difference]: Start difference. First operand 1576 states and 1782 transitions. Second operand 5 states. [2019-11-28 15:43:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:20,931 INFO L93 Difference]: Finished difference Result 4067 states and 4679 transitions. [2019-11-28 15:43:20,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 15:43:20,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2019-11-28 15:43:20,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:20,945 INFO L225 Difference]: With dead ends: 4067 [2019-11-28 15:43:20,945 INFO L226 Difference]: Without dead ends: 2624 [2019-11-28 15:43:20,948 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:43:20,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2019-11-28 15:43:21,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2019-11-28 15:43:21,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2019-11-28 15:43:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2479 transitions. [2019-11-28 15:43:21,015 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2479 transitions. Word has length 166 [2019-11-28 15:43:21,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:21,016 INFO L462 AbstractCegarLoop]: Abstraction has 2231 states and 2479 transitions. [2019-11-28 15:43:21,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 15:43:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2479 transitions. [2019-11-28 15:43:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-28 15:43:21,022 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:43:21,022 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:43:21,022 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:43:21,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:43:21,023 INFO L82 PathProgramCache]: Analyzing trace with hash -374040019, now seen corresponding path program 1 times [2019-11-28 15:43:21,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:43:21,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803550300] [2019-11-28 15:43:21,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:43:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-28 15:43:21,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803550300] [2019-11-28 15:43:21,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782581654] [2019-11-28 15:43:21,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:43:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:43:21,386 INFO L264 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:43:21,407 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:43:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-28 15:43:21,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:43:21,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-28 15:43:21,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117631749] [2019-11-28 15:43:21,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:43:21,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:43:21,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:43:21,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-28 15:43:21,489 INFO L87 Difference]: Start difference. First operand 2231 states and 2479 transitions. Second operand 3 states. [2019-11-28 15:43:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:43:22,043 INFO L93 Difference]: Finished difference Result 4458 states and 4974 transitions. [2019-11-28 15:43:22,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:43:22,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-11-28 15:43:22,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:43:22,047 INFO L225 Difference]: With dead ends: 4458 [2019-11-28 15:43:22,047 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:43:22,054 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-28 15:43:22,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:43:22,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:43:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:43:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:43:22,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2019-11-28 15:43:22,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:43:22,056 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:43:22,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:43:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:43:22,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:43:22,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:43:22,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:43:22,477 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-28 15:43:22,478 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-28 15:43:22,478 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,478 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,478 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,479 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,479 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,479 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,479 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-28 15:43:22,480 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-28 15:43:22,480 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-28 15:43:22,480 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-28 15:43:22,480 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-28 15:43:22,480 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-28 15:43:22,481 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-28 15:43:22,482 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-28 15:43:22,483 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-28 15:43:22,483 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-28 15:43:22,483 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,483 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,483 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,484 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,486 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,487 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,487 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-28 15:43:22,488 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-28 15:43:22,488 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-28 15:43:22,494 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-28 15:43:22,494 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-28 15:43:22,494 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-28 15:43:22,495 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-28 15:43:22,495 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-28 15:43:22,495 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-28 15:43:22,495 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-28 15:43:22,495 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-28 15:43:22,496 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-28 15:43:22,496 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-28 15:43:22,496 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-28 15:43:22,497 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-28 15:43:22,497 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,497 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,497 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,498 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,498 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,498 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-28 15:43:22,501 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-28 15:43:22,501 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-28 15:43:22,501 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-28 15:43:22,502 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-28 15:43:22,502 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-28 15:43:22,502 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-28 15:43:22,507 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-28 15:43:22,507 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-28 15:43:22,508 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1 (= 15 ~a8~0)) (= 13 ~a8~0) (and .cse0 .cse1 (= ~a20~0 1)) (<= ~a17~0 0))) [2019-11-28 15:43:22,508 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,508 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,509 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,509 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,509 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,509 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-28 15:43:22,510 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-28 15:43:22,510 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-28 15:43:22,510 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-28 15:43:22,510 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-28 15:43:22,510 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-28 15:43:22,511 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-28 15:43:22,511 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-28 15:43:22,511 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-28 15:43:22,511 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-28 15:43:22,512 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-28 15:43:22,512 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-28 15:43:22,512 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-28 15:43:22,514 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-28 15:43:22,514 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,514 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,514 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,514 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,515 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,515 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-28 15:43:22,517 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-28 15:43:22,517 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-28 15:43:22,517 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-28 15:43:22,517 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-28 15:43:22,517 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-28 15:43:22,518 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-28 15:43:22,518 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-28 15:43:22,518 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-28 15:43:22,518 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,518 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,519 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,519 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,522 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-28 15:43:22,522 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,524 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-28 15:43:22,524 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-28 15:43:22,524 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-28 15:43:22,525 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-28 15:43:22,525 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-28 15:43:22,525 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-28 15:43:22,525 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-28 15:43:22,525 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:43:22,525 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-28 15:43:22,526 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-28 15:43:22,526 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-28 15:43:22,526 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-28 15:43:22,526 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-28 15:43:22,526 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-28 15:43:22,526 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,527 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1 (= 15 ~a8~0)) (= 13 ~a8~0) (and .cse0 .cse1 (= ~a20~0 1)) (<= ~a17~0 0))) [2019-11-28 15:43:22,527 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,527 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,527 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,527 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,528 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-28 15:43:22,528 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-28 15:43:22,528 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-28 15:43:22,528 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-28 15:43:22,528 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-28 15:43:22,528 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-28 15:43:22,529 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-28 15:43:22,529 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-28 15:43:22,529 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,529 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,529 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,529 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,530 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,530 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-28 15:43:22,530 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:43:22,530 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-28 15:43:22,530 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-28 15:43:22,530 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-28 15:43:22,531 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-28 15:43:22,531 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-28 15:43:22,531 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-28 15:43:22,531 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-28 15:43:22,531 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-28 15:43:22,532 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-28 15:43:22,532 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-28 15:43:22,532 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-28 15:43:22,532 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,532 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,532 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,533 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,533 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-28 15:43:22,533 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,533 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,533 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-28 15:43:22,533 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-28 15:43:22,534 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:43:22,534 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-28 15:43:22,534 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-28 15:43:22,534 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-28 15:43:22,534 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-28 15:43:22,535 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-28 15:43:22,535 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-28 15:43:22,535 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-28 15:43:22,535 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-28 15:43:22,535 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-28 15:43:22,536 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-28 15:43:22,536 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,536 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,536 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,536 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,536 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,537 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-28 15:43:22,537 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,537 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-28 15:43:22,537 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-28 15:43:22,538 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-28 15:43:22,538 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-28 15:43:22,538 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-28 15:43:22,538 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-28 15:43:22,538 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-28 15:43:22,539 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-28 15:43:22,539 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-28 15:43:22,539 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-28 15:43:22,539 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-28 15:43:22,539 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:43:22,540 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2019-11-28 15:43:22,540 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-28 15:43:22,540 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-28 15:43:22,540 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-28 15:43:22,541 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,541 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,541 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,541 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,541 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,542 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:43:22,542 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-28 15:43:22,542 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-28 15:43:22,542 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-28 15:43:22,542 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-28 15:43:22,543 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-28 15:43:22,543 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-28 15:43:22,543 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-28 15:43:22,543 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-28 15:43:22,543 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-28 15:43:22,544 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-28 15:43:22,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:43:22 BoogieIcfgContainer [2019-11-28 15:43:22,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:43:22,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:43:22,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:43:22,568 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:43:22,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:12" (3/4) ... [2019-11-28 15:43:22,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:43:22,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:43:22,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:43:22,806 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:43:22,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:43:22,811 INFO L168 Benchmark]: Toolchain (without parser) took 12821.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.7 MB). Free memory was 956.3 MB in the beginning and 1.3 GB in the end (delta: -318.1 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:22,812 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:43:22,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:22,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:22,813 INFO L168 Benchmark]: Boogie Preprocessor took 59.38 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. [2019-11-28 15:43:22,814 INFO L168 Benchmark]: RCFGBuilder took 1394.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.4 MB). Peak memory consumption was 113.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:22,814 INFO L168 Benchmark]: TraceAbstraction took 10230.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 225.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -268.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:43:22,815 INFO L168 Benchmark]: Witness Printer took 239.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:43:22,817 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 810.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.38 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 1394.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 113.4 MB). Peak memory consumption was 113.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10230.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 225.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -268.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 239.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: 30]: Loop Invariant Derived loop invariant: ((((a17 == 1 && a21 == 1) && 15 == a8) || 13 == a8) || ((a17 == 1 && a21 == 1) && a20 == 1)) || a17 <= 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a17 == 1 && a21 == 1) && 15 == a8) || 13 == a8) || ((a17 == 1 && a21 == 1) && a20 == 1)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 443 SDtfs, 1774 SDslu, 104 SDs, 0 SdLazy, 4832 SolverSat, 662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 922 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1037 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1431 NumberOfCodeBlocks, 1431 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 530865 SizeOfPredicates, 1 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 655/682 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...