./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75dd2ce3f6219a56f38a72471186bda1e7610d5c ............................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:47:04,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:04,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:04,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:04,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:04,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:04,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:04,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:04,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:04,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:04,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:04,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:04,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:04,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:04,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:04,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:04,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:04,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:04,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:04,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:04,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:04,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:04,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:04,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:04,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:04,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:04,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:04,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:04,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:04,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:04,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:04,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:04,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:04,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:04,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:04,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:04,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:04,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:04,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:04,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:04,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:04,593 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-25 08:47:04,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:04,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:04,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:04,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:04,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:04,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:04,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:47:04,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:04,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:04,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:47:04,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:47:04,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:47:04,608 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-25 08:47:04,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:04,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:04,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:47:04,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:04,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:04,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:47:04,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:47:04,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:47:04,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:04,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:47:04,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:47:04,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:04,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:47:04,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:47:04,611 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75dd2ce3f6219a56f38a72471186bda1e7610d5c [2019-11-25 08:47:04,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:04,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:04,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:04,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:04,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:04,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2019-11-25 08:47:04,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/data/14423e3b0/5776af4936164f3688fca846d92782aa/FLAG024d71f67 [2019-11-25 08:47:05,183 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:05,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2019-11-25 08:47:05,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/data/14423e3b0/5776af4936164f3688fca846d92782aa/FLAG024d71f67 [2019-11-25 08:47:05,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/data/14423e3b0/5776af4936164f3688fca846d92782aa [2019-11-25 08:47:05,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:05,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:05,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:05,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:05,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:05,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ea7aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05, skipping insertion in model container [2019-11-25 08:47:05,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:05,234 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:05,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:05,429 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:05,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:05,558 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:05,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05 WrapperNode [2019-11-25 08:47:05,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:05,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:05,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:05,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:05,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:05,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:05,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:05,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:05,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... [2019-11-25 08:47:05,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:05,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:05,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:05,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:05,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/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 [2019-11-25 08:47:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:05,846 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:05,846 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:47:05,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:05 BoogieIcfgContainer [2019-11-25 08:47:05,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:05,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:47:05,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:47:05,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:47:05,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:47:05" (1/3) ... [2019-11-25 08:47:05,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ee4eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:05, skipping insertion in model container [2019-11-25 08:47:05,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:05" (2/3) ... [2019-11-25 08:47:05,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77ee4eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:05, skipping insertion in model container [2019-11-25 08:47:05,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:05" (3/3) ... [2019-11-25 08:47:05,856 INFO L109 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2019-11-25 08:47:05,865 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:47:05,870 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-25 08:47:05,881 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-25 08:47:05,904 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:47:05,904 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:47:05,904 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:47:05,904 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:05,904 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:05,905 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:47:05,905 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:05,905 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:47:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-25 08:47:05,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:47:05,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2019-11-25 08:47:05,973 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:47:05,973 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:47:05,973 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:47:05,974 INFO L447 ceAbstractionStarter]: At program point L27(lines 14 28) the Hoare annotation is: true [2019-11-25 08:47:05,974 INFO L444 ceAbstractionStarter]: For program point L23-1(lines 14 28) no Hoare annotation was computed. [2019-11-25 08:47:05,974 INFO L444 ceAbstractionStarter]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2019-11-25 08:47:05,974 INFO L444 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2019-11-25 08:47:05,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:47:05 BoogieIcfgContainer [2019-11-25 08:47:05,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:47:05,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:05,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:05,982 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:05,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:05" (3/4) ... [2019-11-25 08:47:05,986 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:47:05,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:47:05,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:47:06,031 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1a823b60-6c75-4cfe-befe-9a145f05b311/bin/uautomizer/witness.graphml [2019-11-25 08:47:06,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:06,041 INFO L168 Benchmark]: Toolchain (without parser) took 830.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:06,041 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:06,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:06,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:06,043 INFO L168 Benchmark]: Boogie Preprocessor took 21.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:47:06,043 INFO L168 Benchmark]: RCFGBuilder took 232.40 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:06,044 INFO L168 Benchmark]: TraceAbstraction took 133.31 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:06,047 INFO L168 Benchmark]: Witness Printer took 50.27 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:06,052 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.24 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. * Boogie Preprocessor took 21.29 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 232.40 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 133.31 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 50.27 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...