./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem14_label30.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 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:10:33,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:10:33,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:10:33,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:10:33,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:10:33,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:10:33,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:10:33,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:10:33,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:10:33,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:10:33,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:10:33,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:10:33,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:10:33,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:10:33,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:10:33,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:10:33,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:10:33,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:10:33,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:10:33,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:10:33,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:10:33,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:10:33,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:10:33,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:10:33,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:10:33,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:10:33,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:10:33,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:10:33,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:10:33,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:10:33,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:10:33,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:10:33,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:10:33,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:10:33,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:10:33,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:10:33,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:10:33,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:10:33,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:10:33,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:10:33,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:10:33,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:10:33,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:10:33,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:10:33,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:10:33,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:10:33,702 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:10:33,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:10:33,702 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:10:33,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:10:33,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:10:33,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:10:33,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:10:33,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:10:33,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:10:33,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:10:33,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:10:33,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:10:33,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:10:33,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:10:33,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:10:33,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:10:33,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:10:33,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:10:33,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:10:33,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:10:33,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:10:33,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:10:33,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:10:33,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:10:33,709 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 -> 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c [2019-11-27 23:10:34,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:10:34,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:10:34,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:10:34,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:10:34,054 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:10:34,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2019-11-27 23:10:34,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a85fa306/dec51d7c074840c5bcc1eaaac4f8224b/FLAG73ae0c5fa [2019-11-27 23:10:34,695 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:10:34,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2019-11-27 23:10:34,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a85fa306/dec51d7c074840c5bcc1eaaac4f8224b/FLAG73ae0c5fa [2019-11-27 23:10:34,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a85fa306/dec51d7c074840c5bcc1eaaac4f8224b [2019-11-27 23:10:34,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:10:34,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:10:34,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:10:34,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:10:34,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:10:34,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:34" (1/1) ... [2019-11-27 23:10:34,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@809c18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:34, skipping insertion in model container [2019-11-27 23:10:34,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:10:34" (1/1) ... [2019-11-27 23:10:34,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:10:35,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:10:35,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:10:35,587 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:10:35,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:10:35,755 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:10:35,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35 WrapperNode [2019-11-27 23:10:35,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:10:35,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:10:35,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:10:35,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:10:35,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:35,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:35,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:10:35,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:10:35,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:10:35,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:10:35,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:35,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:35,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:35,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:35,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:36,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:36,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... [2019-11-27 23:10:36,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:10:36,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:10:36,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:10:36,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:10:36,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:10:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:10:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:10:37,534 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:10:37,534 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:10:37,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:37 BoogieIcfgContainer [2019-11-27 23:10:37,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:10:37,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:10:37,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:10:37,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:10:37,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:10:34" (1/3) ... [2019-11-27 23:10:37,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dce8037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:10:37, skipping insertion in model container [2019-11-27 23:10:37,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:10:35" (2/3) ... [2019-11-27 23:10:37,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dce8037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:10:37, skipping insertion in model container [2019-11-27 23:10:37,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:37" (3/3) ... [2019-11-27 23:10:37,546 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2019-11-27 23:10:37,557 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:10:37,566 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:10:37,579 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:10:37,622 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:10:37,622 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:10:37,622 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:10:37,623 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:10:37,623 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:10:37,623 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:10:37,623 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:10:37,624 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:10:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-27 23:10:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-27 23:10:37,663 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:37,665 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] [2019-11-27 23:10:37,665 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:37,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:37,672 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2019-11-27 23:10:37,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:37,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652865777] [2019-11-27 23:10:37,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:10:38,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652865777] [2019-11-27 23:10:38,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:38,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:38,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822749292] [2019-11-27 23:10:38,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:38,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:38,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:38,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:38,070 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-27 23:10:39,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:39,941 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-27 23:10:39,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:39,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-11-27 23:10:39,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:39,964 INFO L225 Difference]: With dead ends: 850 [2019-11-27 23:10:39,964 INFO L226 Difference]: Without dead ends: 538 [2019-11-27 23:10:39,969 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:39,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-27 23:10:40,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-27 23:10:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-27 23:10:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-11-27 23:10:40,083 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 43 [2019-11-27 23:10:40,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:40,084 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-11-27 23:10:40,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-11-27 23:10:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-27 23:10:40,100 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:40,100 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2019-11-27 23:10:40,101 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:40,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:40,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1860908762, now seen corresponding path program 1 times [2019-11-27 23:10:40,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:40,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543350487] [2019-11-27 23:10:40,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-27 23:10:40,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543350487] [2019-11-27 23:10:40,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:40,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:40,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910720746] [2019-11-27 23:10:40,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:40,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:40,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:40,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:40,314 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-11-27 23:10:41,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:41,738 INFO L93 Difference]: Finished difference Result 1964 states and 3003 transitions. [2019-11-27 23:10:41,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:41,739 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-11-27 23:10:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:41,749 INFO L225 Difference]: With dead ends: 1964 [2019-11-27 23:10:41,750 INFO L226 Difference]: Without dead ends: 1428 [2019-11-27 23:10:41,752 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:41,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-11-27 23:10:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-11-27 23:10:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-27 23:10:41,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-11-27 23:10:41,810 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 178 [2019-11-27 23:10:41,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:41,811 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-11-27 23:10:41,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-11-27 23:10:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-27 23:10:41,815 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:41,816 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2019-11-27 23:10:41,816 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:41,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:41,817 INFO L82 PathProgramCache]: Analyzing trace with hash -31391472, now seen corresponding path program 1 times [2019-11-27 23:10:41,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:41,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253398296] [2019-11-27 23:10:41,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-27 23:10:42,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253398296] [2019-11-27 23:10:42,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:10:42,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:10:42,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061275514] [2019-11-27 23:10:42,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:10:42,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:42,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:10:42,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:42,032 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-11-27 23:10:43,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:43,422 INFO L93 Difference]: Finished difference Result 4456 states and 6356 transitions. [2019-11-27 23:10:43,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:10:43,423 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 181 [2019-11-27 23:10:43,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:43,440 INFO L225 Difference]: With dead ends: 4456 [2019-11-27 23:10:43,440 INFO L226 Difference]: Without dead ends: 3030 [2019-11-27 23:10:43,444 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:10:43,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-11-27 23:10:43,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2674. [2019-11-27 23:10:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-27 23:10:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3515 transitions. [2019-11-27 23:10:43,529 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3515 transitions. Word has length 181 [2019-11-27 23:10:43,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:43,530 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3515 transitions. [2019-11-27 23:10:43,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:10:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3515 transitions. [2019-11-27 23:10:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-11-27 23:10:43,541 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:43,542 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:43,543 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:43,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:43,544 INFO L82 PathProgramCache]: Analyzing trace with hash 847518535, now seen corresponding path program 1 times [2019-11-27 23:10:43,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:43,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679633344] [2019-11-27 23:10:43,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 242 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-27 23:10:43,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679633344] [2019-11-27 23:10:43,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214390803] [2019-11-27 23:10:43,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:44,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:10:44,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:10:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-11-27 23:10:44,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:10:44,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-27 23:10:44,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717984285] [2019-11-27 23:10:44,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:10:44,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:44,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:10:44,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:44,367 INFO L87 Difference]: Start difference. First operand 2674 states and 3515 transitions. Second operand 3 states. [2019-11-27 23:10:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:45,228 INFO L93 Difference]: Finished difference Result 6058 states and 8071 transitions. [2019-11-27 23:10:45,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:10:45,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2019-11-27 23:10:45,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:45,255 INFO L225 Difference]: With dead ends: 6058 [2019-11-27 23:10:45,256 INFO L226 Difference]: Without dead ends: 3564 [2019-11-27 23:10:45,262 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:45,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2019-11-27 23:10:45,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2019-11-27 23:10:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-11-27 23:10:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4347 transitions. [2019-11-27 23:10:45,385 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4347 transitions. Word has length 301 [2019-11-27 23:10:45,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:45,388 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 4347 transitions. [2019-11-27 23:10:45,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:10:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4347 transitions. [2019-11-27 23:10:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2019-11-27 23:10:45,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:10:45,403 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:10:45,608 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:45,609 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:10:45,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:10:45,609 INFO L82 PathProgramCache]: Analyzing trace with hash -83864839, now seen corresponding path program 1 times [2019-11-27 23:10:45,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:10:45,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707443243] [2019-11-27 23:10:45,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:10:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 252 proven. 4 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-11-27 23:10:45,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707443243] [2019-11-27 23:10:45,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161218848] [2019-11-27 23:10:45,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:10:46,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:10:46,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:10:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-11-27 23:10:46,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:10:46,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-27 23:10:46,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278508948] [2019-11-27 23:10:46,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:10:46,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:10:46,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:10:46,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:46,330 INFO L87 Difference]: Start difference. First operand 3386 states and 4347 transitions. Second operand 3 states. [2019-11-27 23:10:47,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:10:47,214 INFO L93 Difference]: Finished difference Result 6590 states and 8507 transitions. [2019-11-27 23:10:47,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:10:47,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2019-11-27 23:10:47,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:10:47,216 INFO L225 Difference]: With dead ends: 6590 [2019-11-27 23:10:47,216 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:10:47,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:10:47,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:10:47,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:10:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:10:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:10:47,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 321 [2019-11-27 23:10:47,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:10:47,225 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:10:47,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:10:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:10:47,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:10:47,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:10:47,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:10:47,517 INFO L246 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-27 23:10:47,517 INFO L246 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-27 23:10:47,517 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,517 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,517 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,517 INFO L246 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-27 23:10:47,517 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:10:47,518 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-27 23:10:47,518 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-27 23:10:47,518 INFO L246 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-27 23:10:47,518 INFO L246 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-27 23:10:47,518 INFO L246 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-27 23:10:47,518 INFO L246 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-27 23:10:47,518 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,519 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,519 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,520 INFO L246 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-27 23:10:47,520 INFO L246 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-27 23:10:47,520 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-27 23:10:47,520 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-27 23:10:47,520 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-27 23:10:47,520 INFO L246 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-27 23:10:47,520 INFO L246 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-27 23:10:47,521 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-27 23:10:47,522 INFO L246 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-27 23:10:47,523 INFO L246 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-27 23:10:47,523 INFO L246 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-27 23:10:47,523 INFO L246 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-27 23:10:47,523 INFO L246 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-27 23:10:47,523 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,524 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,524 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,524 INFO L246 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-27 23:10:47,524 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-27 23:10:47,524 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-27 23:10:47,525 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-27 23:10:47,525 INFO L246 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-27 23:10:47,525 INFO L246 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-27 23:10:47,525 INFO L246 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-27 23:10:47,525 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,526 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,526 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,526 INFO L246 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-27 23:10:47,526 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-27 23:10:47,526 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-27 23:10:47,527 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-27 23:10:47,527 INFO L246 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-27 23:10:47,527 INFO L246 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-27 23:10:47,527 INFO L246 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-27 23:10:47,527 INFO L246 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-27 23:10:47,527 INFO L246 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-27 23:10:47,528 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,528 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,528 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,528 INFO L246 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-27 23:10:47,528 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-27 23:10:47,529 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-27 23:10:47,529 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-27 23:10:47,529 INFO L246 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-27 23:10:47,529 INFO L246 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-27 23:10:47,529 INFO L246 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-27 23:10:47,530 INFO L246 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-27 23:10:47,530 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,530 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,530 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,531 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-27 23:10:47,531 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-27 23:10:47,531 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-27 23:10:47,531 INFO L246 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-27 23:10:47,531 INFO L246 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-27 23:10:47,532 INFO L246 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-27 23:10:47,532 INFO L246 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-27 23:10:47,532 INFO L246 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-27 23:10:47,532 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,532 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,533 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,533 INFO L246 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-27 23:10:47,533 INFO L246 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-27 23:10:47,533 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:10:47,533 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-27 23:10:47,534 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-27 23:10:47,534 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-27 23:10:47,534 INFO L246 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-27 23:10:47,534 INFO L246 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-27 23:10:47,534 INFO L246 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-27 23:10:47,535 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,535 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,535 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,535 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-27 23:10:47,535 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-27 23:10:47,536 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-27 23:10:47,536 INFO L246 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-27 23:10:47,536 INFO L246 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-27 23:10:47,536 INFO L246 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-27 23:10:47,536 INFO L246 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-27 23:10:47,537 INFO L246 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-27 23:10:47,537 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,537 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,537 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,537 INFO L246 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-27 23:10:47,538 INFO L246 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-27 23:10:47,538 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-27 23:10:47,538 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-27 23:10:47,538 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-27 23:10:47,538 INFO L246 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-27 23:10:47,539 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:10:47,539 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2019-11-27 23:10:47,539 INFO L246 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-27 23:10:47,539 INFO L246 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-27 23:10:47,540 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,540 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,540 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,540 INFO L246 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-27 23:10:47,540 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-27 23:10:47,541 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-27 23:10:47,541 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-27 23:10:47,541 INFO L246 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-27 23:10:47,541 INFO L246 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-27 23:10:47,541 INFO L246 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-27 23:10:47,542 INFO L246 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-27 23:10:47,542 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,542 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,542 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,542 INFO L246 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-27 23:10:47,543 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-27 23:10:47,543 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-27 23:10:47,543 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-27 23:10:47,543 INFO L246 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-27 23:10:47,543 INFO L246 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-27 23:10:47,544 INFO L246 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-27 23:10:47,544 INFO L246 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-27 23:10:47,544 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,544 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,544 INFO L246 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-27 23:10:47,545 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-27 23:10:47,545 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-27 23:10:47,545 INFO L246 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-27 23:10:47,545 INFO L246 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-27 23:10:47,545 INFO L246 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-27 23:10:47,546 INFO L246 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-27 23:10:47,546 INFO L246 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-27 23:10:47,546 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,546 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,546 INFO L246 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-27 23:10:47,547 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:10:47,547 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-27 23:10:47,547 INFO L246 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-27 23:10:47,547 INFO L246 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-27 23:10:47,547 INFO L246 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-27 23:10:47,548 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,548 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,548 INFO L242 CegarLoopResult]: At program point L871(lines 20 872) the Hoare annotation is: (or (<= 8 ~a21~0) (<= ~a21~0 6) (not (= ~a15~0 6))) [2019-11-27 23:10:47,548 INFO L246 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-27 23:10:47,549 INFO L246 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-27 23:10:47,549 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:10:47,549 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-27 23:10:47,549 INFO L246 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-27 23:10:47,549 INFO L246 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-27 23:10:47,550 INFO L246 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-27 23:10:47,550 INFO L246 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-27 23:10:47,550 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,550 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,551 INFO L249 CegarLoopResult]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-27 23:10:47,551 INFO L246 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-27 23:10:47,551 INFO L246 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-27 23:10:47,551 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-27 23:10:47,551 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-27 23:10:47,552 INFO L246 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-27 23:10:47,552 INFO L246 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-27 23:10:47,552 INFO L246 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-27 23:10:47,552 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,552 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,552 INFO L246 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-27 23:10:47,553 INFO L246 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-27 23:10:47,553 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-27 23:10:47,553 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-27 23:10:47,553 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:10:47,554 INFO L246 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-27 23:10:47,554 INFO L246 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-27 23:10:47,554 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,554 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,554 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-27 23:10:47,555 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,555 INFO L246 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-27 23:10:47,555 INFO L242 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (<= 8 ~a21~0) (<= ~a21~0 6) (not (= ~a15~0 6))) [2019-11-27 23:10:47,555 INFO L246 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-27 23:10:47,555 INFO L246 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-27 23:10:47,556 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-27 23:10:47,556 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-27 23:10:47,556 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-27 23:10:47,556 INFO L246 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-27 23:10:47,557 INFO L246 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-27 23:10:47,557 INFO L246 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-27 23:10:47,557 INFO L246 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-27 23:10:47,557 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,557 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,557 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,558 INFO L246 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-27 23:10:47,558 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-27 23:10:47,558 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-27 23:10:47,558 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-27 23:10:47,558 INFO L246 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-27 23:10:47,559 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-27 23:10:47,559 INFO L246 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-27 23:10:47,559 INFO L246 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-27 23:10:47,559 INFO L246 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-27 23:10:47,559 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,560 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,560 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,560 INFO L246 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-27 23:10:47,560 INFO L246 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-27 23:10:47,560 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:10:47,560 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-27 23:10:47,561 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:10:47,561 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:10:47,561 INFO L246 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-27 23:10:47,561 INFO L246 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-27 23:10:47,561 INFO L246 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-27 23:10:47,561 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,562 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,562 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,562 INFO L246 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-27 23:10:47,562 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-27 23:10:47,562 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:10:47,562 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-27 23:10:47,563 INFO L246 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-27 23:10:47,563 INFO L246 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-27 23:10:47,563 INFO L246 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-27 23:10:47,563 INFO L246 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-27 23:10:47,563 INFO L246 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-27 23:10:47,564 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,564 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,564 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-27 23:10:47,564 INFO L246 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-27 23:10:47,564 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-27 23:10:47,564 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-27 23:10:47,565 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-27 23:10:47,565 INFO L246 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-27 23:10:47,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:10:47 BoogieIcfgContainer [2019-11-27 23:10:47,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:10:47,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:10:47,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:10:47,588 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:10:47,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:10:37" (3/4) ... [2019-11-27 23:10:47,593 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:10:47,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:10:47,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:10:47,904 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:10:47,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:10:47,907 INFO L168 Benchmark]: Toolchain (without parser) took 12964.97 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 455.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -192.5 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:47,907 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-27 23:10:47,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:47,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.61 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:47,909 INFO L168 Benchmark]: Boogie Preprocessor took 124.06 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:47,910 INFO L168 Benchmark]: RCFGBuilder took 1498.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 128.1 MB). Peak memory consumption was 128.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:47,910 INFO L168 Benchmark]: TraceAbstraction took 10049.33 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 978.6 MB in the beginning and 1.2 GB in the end (delta: -195.0 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:47,911 INFO L168 Benchmark]: Witness Printer took 316.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:10:47,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 814.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.61 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.06 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1498.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 128.1 MB). Peak memory consumption was 128.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10049.33 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 978.6 MB in the beginning and 1.2 GB in the end (delta: -195.0 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * Witness Printer took 316.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (8 <= a21 || a21 <= 6) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (8 <= a21 || a21 <= 6) || !(a15 == 6) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 603 SDtfs, 1334 SDslu, 37 SDs, 0 SdLazy, 3379 SolverSat, 1137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 640 GetRequests, 623 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=4, 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, 5 MinimizatonAttempts, 534 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 422 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1646 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1639 ConstructedInterpolants, 0 QuantifiedInterpolants, 1213316 SizeOfPredicates, 2 NumberOfNonLiveVariables, 834 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1705/1713 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...