./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e334e85dd18553afecc96b27cf49a003304cbca8 ............................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:31:10,879 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:31:10,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:31:10,885 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:31:10,886 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:31:10,886 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:31:10,887 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:31:10,888 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:31:10,889 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:31:10,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:31:10,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:31:10,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:31:10,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:31:10,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:31:10,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:31:10,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:31:10,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:31:10,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:31:10,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:31:10,897 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:31:10,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:31:10,898 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:31:10,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:31:10,900 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:31:10,900 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:31:10,901 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:31:10,902 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:31:10,902 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:31:10,903 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:31:10,904 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:31:10,904 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:31:10,904 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:31:10,904 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:31:10,904 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:31:10,905 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:31:10,906 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:31:10,906 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 15:31:10,914 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:31:10,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:31:10,915 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:31:10,915 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:31:10,916 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:31:10,916 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:31:10,916 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:31:10,916 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:31:10,916 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:31:10,917 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:31:10,918 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:31:10,918 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:31:10,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:31:10,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:31:10,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:31:10,918 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:31:10,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:31:10,919 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:31:10,919 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:31:10,919 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:31:10,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:31:10,919 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak 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 -> Kojak 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 -> e334e85dd18553afecc96b27cf49a003304cbca8 [2018-11-18 15:31:10,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:31:10,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:31:10,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:31:10,958 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:31:10,958 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:31:10,959 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-11-18 15:31:10,999 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/data/76afb4887/93a2dc23bb7641b5b97e0aabf015ced6/FLAG5d7c466ef [2018-11-18 15:31:11,398 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:31:11,398 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-11-18 15:31:11,402 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/data/76afb4887/93a2dc23bb7641b5b97e0aabf015ced6/FLAG5d7c466ef [2018-11-18 15:31:11,414 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/data/76afb4887/93a2dc23bb7641b5b97e0aabf015ced6 [2018-11-18 15:31:11,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:31:11,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:31:11,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:31:11,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:31:11,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:31:11,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d39cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11, skipping insertion in model container [2018-11-18 15:31:11,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:31:11,447 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:31:11,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:31:11,559 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:31:11,568 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:31:11,576 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:31:11,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11 WrapperNode [2018-11-18 15:31:11,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:31:11,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:31:11,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:31:11,577 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:31:11,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:31:11,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:31:11,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:31:11,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:31:11,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:31:11,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:31:11,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:31:11,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:31:11,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:31:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-18 15:31:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:31:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:31:11,785 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:31:11,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:31:11 BoogieIcfgContainer [2018-11-18 15:31:11,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:31:11,786 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:31:11,786 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:31:11,793 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:31:11,793 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:31:11" (1/1) ... [2018-11-18 15:31:11,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:31:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 15:31:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 15:31:11,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:31:11,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-11-18 15:31:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-11-18 15:31:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 15:31:11,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-11-18 15:31:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-11-18 15:31:12,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 15:31:12,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-11-18 15:31:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-11-18 15:31:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 15:31:12,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:12,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-18 15:31:12,541 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-18 15:31:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:31:12,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:31:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-11-18 15:31:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-11-18 15:31:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 15:31:13,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:13,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-11-18 15:31:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-11-18 15:31:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 15:31:13,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:31:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-18 15:31:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-18 15:31:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:31:13,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 15:31:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2018-11-18 15:31:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2018-11-18 15:31:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 15:31:13,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:31:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:31:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 15:31:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:31:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-18 15:31:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-18 15:31:13,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:31:13,798 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 15:31:13,804 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 15:31:13,853 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:31:13,855 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 15:31:13,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:31:13 ImpRootNode [2018-11-18 15:31:13,860 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:31:13,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:31:13,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:31:13,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:31:13,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:31:11" (3/4) ... [2018-11-18 15:31:13,863 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:31:13,869 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 15:31:13,869 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:31:13,869 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:31:13,895 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2dd7e23a-0aee-41b5-b12f-191d78f17394/bin-2019/ukojak/witness.graphml [2018-11-18 15:31:13,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:31:13,895 INFO L168 Benchmark]: Toolchain (without parser) took 2477.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 961.9 MB in the beginning and 942.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:13,896 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:31:13,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.63 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:13,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:13,897 INFO L168 Benchmark]: Boogie Preprocessor took 10.71 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:31:13,898 INFO L168 Benchmark]: RCFGBuilder took 177.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:13,898 INFO L168 Benchmark]: CodeCheck took 2073.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.7 MB in the end (delta: 171.7 MB). Peak memory consumption was 171.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:13,898 INFO L168 Benchmark]: Witness Printer took 35.21 ms. Allocated memory is still 1.2 GB. Free memory was 947.7 MB in the beginning and 942.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:13,900 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 18 locations, 4 error locations. SAFE Result, 1.9s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2880 SDtfs, 5972 SDslu, 5024 SDs, 0 SdLazy, 17176 SolverSat, 4028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1014 GetRequests, 884 SyntacticMatches, 34 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3984 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 3215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 34/37 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= v2 && m <= 2147483647) && v1 <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.63 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 20.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.71 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 177.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 2073.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.7 MB in the end (delta: 171.7 MB). Peak memory consumption was 171.7 MB. Max. memory is 11.5 GB. * Witness Printer took 35.21 ms. Allocated memory is still 1.2 GB. Free memory was 947.7 MB in the beginning and 942.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...