./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test04.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/ldv-regression/test04.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 acbed71759f45b322ef055991b90acd5402a32bc .................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:58:25,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:58:25,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:58:25,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:58:25,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:58:25,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:58:25,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:58:25,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:58:25,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:58:25,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:58:25,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:58:25,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:58:25,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:58:25,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:58:25,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:58:25,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:58:25,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:58:25,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:58:25,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:58:25,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:58:25,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:58:25,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:58:25,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:58:25,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:58:25,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:58:25,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:58:25,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:58:25,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:58:25,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:58:25,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:58:25,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:58:25,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:58:25,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:58:25,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:58:25,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:58:25,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:58:25,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:58:25,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:58:25,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:58:25,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:58:25,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:58:25,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:58:25,698 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:58:25,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:58:25,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:58:25,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:58:25,700 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:58:25,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:58:25,701 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:58:25,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:58:25,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:58:25,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:58:25,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:58:25,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:58:25,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:58:25,703 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:58:25,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:58:25,704 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:58:25,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:58:25,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:58:25,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:58:25,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:58:25,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:58:25,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:58:25,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:58:25,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:58:25,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:58:25,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:58:25,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:58:25,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:58:25,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:58:25,708 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 -> acbed71759f45b322ef055991b90acd5402a32bc [2020-07-28 17:58:26,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:58:26,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:58:26,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:58:26,025 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:58:26,026 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:58:26,027 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test04.c [2020-07-28 17:58:26,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc57cb1cd/4fc050103e80401d94fd393b1c1e5ab3/FLAG1799b8da1 [2020-07-28 17:58:26,528 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:58:26,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test04.c [2020-07-28 17:58:26,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc57cb1cd/4fc050103e80401d94fd393b1c1e5ab3/FLAG1799b8da1 [2020-07-28 17:58:26,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc57cb1cd/4fc050103e80401d94fd393b1c1e5ab3 [2020-07-28 17:58:26,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:58:26,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:58:26,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:58:26,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:58:26,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:58:26,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:58:26" (1/1) ... [2020-07-28 17:58:26,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11461533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:26, skipping insertion in model container [2020-07-28 17:58:26,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:58:26" (1/1) ... [2020-07-28 17:58:26,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:58:27,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:58:27,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:58:27,214 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:58:27,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:58:27,246 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:58:27,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27 WrapperNode [2020-07-28 17:58:27,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:58:27,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:58:27,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:58:27,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:58:27,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:58:27,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:58:27,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:58:27,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:58:27,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (1/1) ... [2020-07-28 17:58:27,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:58:27,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:58:27,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:58:27,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:58:27,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (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 [2020-07-28 17:58:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:58:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:58:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:58:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:58:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:58:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:58:27,648 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:58:27,649 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-28 17:58:27,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:58:27 BoogieIcfgContainer [2020-07-28 17:58:27,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:58:27,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:58:27,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:58:27,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:58:27,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:58:26" (1/3) ... [2020-07-28 17:58:27,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519ffd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:58:27, skipping insertion in model container [2020-07-28 17:58:27,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:27" (2/3) ... [2020-07-28 17:58:27,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519ffd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:58:27, skipping insertion in model container [2020-07-28 17:58:27,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:58:27" (3/3) ... [2020-07-28 17:58:27,663 INFO L109 eAbstractionObserver]: Analyzing ICFG test04.c [2020-07-28 17:58:27,675 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:58:27,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:58:27,700 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:58:27,727 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:58:27,728 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:58:27,728 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:58:27,728 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:58:27,729 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:58:27,729 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:58:27,729 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:58:27,730 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:58:27,747 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-07-28 17:58:27,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 17:58:27,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:58:27,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 17:58:27,755 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:58:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:58:27,763 INFO L82 PathProgramCache]: Analyzing trace with hash 28692805, now seen corresponding path program 1 times [2020-07-28 17:58:27,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:58:27,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189489053] [2020-07-28 17:58:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:58:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:58:28,015 INFO L280 TraceCheckUtils]: 0: Hoare triple {12#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {12#true} is VALID [2020-07-28 17:58:28,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {12#true} havoc main_#res;havoc main_#t~ret0, main_#t~mem1, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(4);main_~p1~0.base, main_~p1~0.offset := main_~#a~0.base, main_~#a~0.offset;main_~p2~0.base, main_~p2~0.offset := main_~#b~0.base, main_~#b~0.offset;f_#in~p1.base, f_#in~p1.offset, f_#in~p2.base, f_#in~p2.offset := main_~p1~0.base, main_~p1~0.offset, main_~p2~0.base, main_~p2~0.offset;havoc f_#res;havoc f_~p1.base, f_~p1.offset, f_~p2.base, f_~p2.offset;f_~p1.base, f_~p1.offset := f_#in~p1.base, f_#in~p1.offset;f_~p2.base, f_~p2.offset := f_#in~p2.base, f_#in~p2.offset;f_#res := (if f_~p1.base == f_~p2.base && f_~p1.offset == f_~p2.offset then 1 else 0); {14#(and (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_main_~p1~0.base) (= 0 |ULTIMATE.start_f_#res|) (= ULTIMATE.start_main_~p1~0.offset |ULTIMATE.start_main_~#a~0.offset|))} is VALID [2020-07-28 17:58:28,022 INFO L280 TraceCheckUtils]: 2: Hoare triple {14#(and (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_main_~p1~0.base) (= 0 |ULTIMATE.start_f_#res|) (= ULTIMATE.start_main_~p1~0.offset |ULTIMATE.start_main_~#a~0.offset|))} main_#t~ret0 := f_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;call write~int(main_#t~ret0, main_~#a~0.base, main_~#a~0.offset, 4);havoc main_#t~ret0;call main_#t~mem1 := read~int(main_~p1~0.base, main_~p1~0.offset, 4); {15#(= 0 |ULTIMATE.start_main_#t~mem1|)} is VALID [2020-07-28 17:58:28,024 INFO L280 TraceCheckUtils]: 3: Hoare triple {15#(= 0 |ULTIMATE.start_main_#t~mem1|)} assume 0 != main_#t~mem1;havoc main_#t~mem1; {13#false} is VALID [2020-07-28 17:58:28,025 INFO L280 TraceCheckUtils]: 4: Hoare triple {13#false} assume !false; {13#false} is VALID [2020-07-28 17:58:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:58:28,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189489053] [2020-07-28 17:58:28,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:58:28,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 17:58:28,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796458355] [2020-07-28 17:58:28,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-07-28 17:58:28,038 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:58:28,042 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 17:58:28,058 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:28,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 17:58:28,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:58:28,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 17:58:28,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 17:58:28,069 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-07-28 17:58:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:28,149 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-07-28 17:58:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 17:58:28,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-07-28 17:58:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:58:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 17:58:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-07-28 17:58:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 17:58:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-07-28 17:58:28,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 11 transitions. [2020-07-28 17:58:28,176 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:28,184 INFO L225 Difference]: With dead ends: 12 [2020-07-28 17:58:28,184 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:58:28,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 17:58:28,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:58:28,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:58:28,209 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:58:28,210 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:28,210 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:28,211 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:28,211 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:58:28,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:58:28,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:28,212 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:28,213 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:28,213 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:28,213 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:58:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:58:28,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:28,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:28,214 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:58:28,215 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:58:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:58:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:58:28,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-07-28 17:58:28,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:58:28,217 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:58:28,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 17:58:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:58:28,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:28,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:58:28,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:58:28,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:58:28,256 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:58:28,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:58:28,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:58:28,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2020-07-28 17:58:28,257 INFO L271 CegarLoopResult]: At program point L23(lines 8 24) the Hoare annotation is: true [2020-07-28 17:58:28,257 INFO L264 CegarLoopResult]: At program point L17(lines 8 24) the Hoare annotation is: false [2020-07-28 17:58:28,258 INFO L268 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-07-28 17:58:28,258 INFO L264 CegarLoopResult]: At program point L5(lines 4 6) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_main_~p1~0.base) (= 0 |ULTIMATE.start_f_#res|) (= ULTIMATE.start_main_~p1~0.offset |ULTIMATE.start_main_~#a~0.offset|)) [2020-07-28 17:58:28,262 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:58:28,262 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:58:28,263 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-28 17:58:28,263 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-28 17:58:28,263 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-28 17:58:28,263 WARN L170 areAnnotationChecker]: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-28 17:58:28,264 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:58:28,264 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:58:28,264 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:58:28,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:58:28 BoogieIcfgContainer [2020-07-28 17:58:28,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:58:28,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:58:28,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:58:28,278 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:58:28,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:58:27" (3/4) ... [2020-07-28 17:58:28,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:58:28,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 17:58:28,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-28 17:58:28,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:58:28,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (a == p1 && 0 == \result) && p1 == a [2020-07-28 17:58:28,337 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:58:28,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:58:28,342 INFO L168 Benchmark]: Toolchain (without parser) took 1374.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -105.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:28,342 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:58:28,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.25 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:28,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:28,344 INFO L168 Benchmark]: Boogie Preprocessor took 21.63 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. [2020-07-28 17:58:28,345 INFO L168 Benchmark]: RCFGBuilder took 292.44 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:28,346 INFO L168 Benchmark]: TraceAbstraction took 622.72 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:28,346 INFO L168 Benchmark]: Witness Printer took 60.35 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. [2020-07-28 17:58:28,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.25 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.63 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 292.44 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 622.72 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Witness Printer took 60.35 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: 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: 4]: Loop Invariant Derived loop invariant: (a == p1 && 0 == \result) && p1 == a - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 12 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...