./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/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 f9de9875f09e594325a645528f016ce12ac5c646 ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:22:13,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:22:13,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:22:13,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:22:13,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:22:13,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:22:13,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:22:13,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:22:13,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:22:13,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:22:13,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:22:13,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:22:13,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:22:13,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:22:13,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:22:13,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:22:13,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:22:13,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:22:13,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:22:13,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:22:13,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:22:13,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:22:13,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:22:13,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:22:13,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:22:13,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:22:13,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:22:13,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:22:13,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:22:13,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:22:13,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:22:13,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:22:13,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:22:13,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:22:13,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:22:13,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:22:13,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:22:13,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:22:13,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:22:13,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:22:13,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:22:13,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 10:22:13,742 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:22:13,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:22:13,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:22:13,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:22:13,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:22:13,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:22:13,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:22:13,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:22:13,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:22:13,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:22:13,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:22:13,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:22:13,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:22:13,756 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:22:13,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:22:13,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:22:13,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:22:13,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:22:13,757 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:22:13,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:22:13,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:22:13,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:22:13,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:22:13,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:22:13,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:22:13,759 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:22:13,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:22:13,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:22:13,760 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_24117e75-bab2-43fa-afe9-5f5a654fcf82/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 -> f9de9875f09e594325a645528f016ce12ac5c646 [2019-11-20 10:22:13,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:22:13,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:22:13,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:22:13,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:22:13,942 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:22:13,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2019-11-20 10:22:14,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/data/971e71ae3/0309b5f019c049f9a56ec864c4929a14/FLAG38d5970e7 [2019-11-20 10:22:14,435 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:22:14,435 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2019-11-20 10:22:14,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/data/971e71ae3/0309b5f019c049f9a56ec864c4929a14/FLAG38d5970e7 [2019-11-20 10:22:14,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/data/971e71ae3/0309b5f019c049f9a56ec864c4929a14 [2019-11-20 10:22:14,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:22:14,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:22:14,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:22:14,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:22:14,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:22:14,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:22:14" (1/1) ... [2019-11-20 10:22:14,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b52e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:14, skipping insertion in model container [2019-11-20 10:22:14,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:22:14" (1/1) ... [2019-11-20 10:22:14,864 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:22:14,882 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:22:15,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:22:15,100 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:22:15,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:22:15,269 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:22:15,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15 WrapperNode [2019-11-20 10:22:15,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:22:15,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:22:15,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:22:15,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:22:15,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:22:15,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:22:15,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:22:15,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:22:15,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:22:15,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:22:15,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:22:15,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:22:15,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:22:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/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 [2019-11-20 10:22:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:22:15,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:22:15,674 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:22:15,674 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:22:15,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:22:15 BoogieIcfgContainer [2019-11-20 10:22:15,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:22:15,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:22:15,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:22:15,688 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:22:15,704 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:22:15" (1/1) ... [2019-11-20 10:22:15,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:22:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2019-11-20 10:22:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-11-20 10:22:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:22:15,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2019-11-20 10:22:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2019-11-20 10:22:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:22:15,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2019-11-20 10:22:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2019-11-20 10:22:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:22:16,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2019-11-20 10:22:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2019-11-20 10:22:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:22:16,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2019-11-20 10:22:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2019-11-20 10:22:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:22:16,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2019-11-20 10:22:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2019-11-20 10:22:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 10:22:17,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2019-11-20 10:22:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2019-11-20 10:22:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:22:18,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:22:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:18,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2019-11-20 10:22:18,375 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-11-20 10:22:18,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:22:18,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2019-11-20 10:22:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-11-20 10:22:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:22:18,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2019-11-20 10:22:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-20 10:22:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:22:19,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2019-11-20 10:22:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2019-11-20 10:22:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:22:19,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:22:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:22:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:22:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:22:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-11-20 10:22:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-20 10:22:19,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:22:19,976 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2019-11-20 10:22:19,984 INFO L765 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2019-11-20 10:22:20,059 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 10:22:20,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:22:20 ImpRootNode [2019-11-20 10:22:20,069 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:22:20,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:22:20,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:22:20,070 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:22:20,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:22:15" (3/4) ... [2019-11-20 10:22:20,073 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:22:20,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 10:22:20,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 10:22:20,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:22:20,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_24117e75-bab2-43fa-afe9-5f5a654fcf82/bin/ukojak/witness.graphml [2019-11-20 10:22:20,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:22:20,139 INFO L168 Benchmark]: Toolchain (without parser) took 5290.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.9 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:22:20,139 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-20 10:22:20,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:22:20,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:22:20,141 INFO L168 Benchmark]: Boogie Preprocessor took 30.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:22:20,141 INFO L168 Benchmark]: RCFGBuilder took 332.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:22:20,142 INFO L168 Benchmark]: CodeCheck took 4392.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 89.9 MB). Peak memory consumption was 141.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:22:20,143 INFO L168 Benchmark]: Witness Printer took 67.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:22:20,145 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, 16 locations, 6 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6144 SDtfs, 13530 SDslu, 23072 SDs, 0 SdLazy, 35792 SolverSat, 7222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 799 GetRequests, 672 SyntacticMatches, 19 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5573 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 15/15 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: 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: 26]: 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && d <= 2147483647) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 422.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 332.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * CodeCheck took 4392.25 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 89.9 MB). Peak memory consumption was 141.8 MB. Max. memory is 11.5 GB. * Witness Printer took 67.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...