./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/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 2730fad31c2d66a3c2c270d6382235d7b06cc84c ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 07:48:00,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 07:48:00,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 07:48:00,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 07:48:00,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 07:48:00,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 07:48:00,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 07:48:00,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 07:48:00,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 07:48:00,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 07:48:00,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 07:48:00,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 07:48:00,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 07:48:00,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 07:48:00,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 07:48:00,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 07:48:00,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 07:48:00,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 07:48:00,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 07:48:00,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 07:48:00,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 07:48:00,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 07:48:00,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 07:48:00,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 07:48:00,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 07:48:00,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 07:48:00,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 07:48:00,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 07:48:00,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 07:48:00,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 07:48:00,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 07:48:00,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 07:48:00,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 07:48:00,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 07:48:00,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 07:48:00,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 07:48:00,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 07:48:00,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 07:48:00,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 07:48:00,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 07:48:00,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 07:48:00,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-12-01 07:48:00,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 07:48:00,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 07:48:00,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 07:48:00,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 07:48:00,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 07:48:00,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 07:48:00,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 07:48:00,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 07:48:00,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 07:48:00,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 07:48:00,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 07:48:00,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 07:48:00,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 07:48:00,891 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-01 07:48:00,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 07:48:00,891 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 07:48:00,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 07:48:00,891 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 07:48:00,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 07:48:00,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 07:48:00,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 07:48:00,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 07:48:00,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 07:48:00,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 07:48:00,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 07:48:00,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 07:48:00,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 07:48:00,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 07:48:00,893 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_87452606-5e41-41ac-8696-7c2c7342bc45/bin/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 -> 2730fad31c2d66a3c2c270d6382235d7b06cc84c [2019-12-01 07:48:00,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 07:48:01,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 07:48:01,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 07:48:01,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 07:48:01,007 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 07:48:01,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2019-12-01 07:48:01,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/data/1ab18551d/347e44496ac2498c8ce537ad882e1baf/FLAG458b65e4f [2019-12-01 07:48:01,447 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 07:48:01,448 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2019-12-01 07:48:01,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/data/1ab18551d/347e44496ac2498c8ce537ad882e1baf/FLAG458b65e4f [2019-12-01 07:48:01,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/data/1ab18551d/347e44496ac2498c8ce537ad882e1baf [2019-12-01 07:48:01,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 07:48:01,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 07:48:01,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 07:48:01,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 07:48:01,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 07:48:01,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b37d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01, skipping insertion in model container [2019-12-01 07:48:01,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 07:48:01,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 07:48:01,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 07:48:01,592 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 07:48:01,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 07:48:01,646 INFO L208 MainTranslator]: Completed translation [2019-12-01 07:48:01,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01 WrapperNode [2019-12-01 07:48:01,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 07:48:01,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 07:48:01,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 07:48:01,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 07:48:01,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 07:48:01,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 07:48:01,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 07:48:01,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 07:48:01,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 07:48:01,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 07:48:01,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 07:48:01,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 07:48:01,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:48:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/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 [2019-12-01 07:48:01,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 07:48:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 07:48:01,836 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 07:48:01,836 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 07:48:01,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:48:01 BoogieIcfgContainer [2019-12-01 07:48:01,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 07:48:01,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 07:48:01,838 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 07:48:01,849 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 07:48:01,849 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:48:01" (1/1) ... [2019-12-01 07:48:01,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 07:48:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:48:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-12-01 07:48:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-12-01 07:48:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 07:48:01,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:48:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:48:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:48:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:48:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-12-01 07:48:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-12-01 07:48:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 07:48:01,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:48:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:48:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:48:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:48:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-12-01 07:48:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-01 07:48:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 07:48:02,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:48:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:48:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:48:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:48:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-12-01 07:48:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-12-01 07:48:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 07:48:02,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 07:48:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 07:48:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 07:48:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 07:48:02,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-12-01 07:48:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-12-01 07:48:02,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 07:48:02,098 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2019-12-01 07:48:02,104 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-12-01 07:48:02,119 INFO L569 CodeCheckObserver]: Invariant with dag size 5 [2019-12-01 07:48:02,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:48:02 ImpRootNode [2019-12-01 07:48:02,127 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 07:48:02,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 07:48:02,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 07:48:02,127 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 07:48:02,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:48:01" (3/4) ... [2019-12-01 07:48:02,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 07:48:02,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 07:48:02,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 07:48:02,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 07:48:02,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_87452606-5e41-41ac-8696-7c2c7342bc45/bin/ukojak/witness.graphml [2019-12-01 07:48:02,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 07:48:02,167 INFO L168 Benchmark]: Toolchain (without parser) took 701.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -121.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-12-01 07:48:02,167 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 07:48:02,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 07:48:02,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.10 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. [2019-12-01 07:48:02,168 INFO L168 Benchmark]: Boogie Preprocessor took 12.83 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. [2019-12-01 07:48:02,168 INFO L168 Benchmark]: RCFGBuilder took 156.58 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-01 07:48:02,169 INFO L168 Benchmark]: CodeCheck took 288.83 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-12-01 07:48:02,169 INFO L168 Benchmark]: Witness Printer took 37.97 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-12-01 07:48:02,171 INFO L335 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, 12 locations, 4 error locations. Result: SAFE, OverallTime: 0.2s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 70 SDslu, 60 SDs, 0 SdLazy, 136 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 181.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.10 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 12.83 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 156.58 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * CodeCheck took 288.83 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: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Witness Printer took 37.97 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...