./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/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 413fc6a41e04b7b618ff9ab274418b4a8dcf040d ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:14:51,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:14:51,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:14:51,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:14:51,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:14:51,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:14:51,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:14:51,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:14:51,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:14:51,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:14:51,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:14:51,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:14:51,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:14:51,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:14:51,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:14:51,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:14:51,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:14:51,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:14:51,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:14:51,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:14:51,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:14:51,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:14:51,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:14:51,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:14:51,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:14:51,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:14:51,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:14:51,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:14:51,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:14:51,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:14:51,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:14:51,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:14:51,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:14:51,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:14:51,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:14:51,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:14:51,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:14:51,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:14:51,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:14:51,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:14:51,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:14:51,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:14:51,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:14:51,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:14:51,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:14:51,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:14:51,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:14:51,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:14:51,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:14:51,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:14:51,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:14:51,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:14:51,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:14:51,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:14:51,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:14:51,978 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:14:51,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:14:51,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:14:51,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:14:51,979 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:14:51,979 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:14:51,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:14:51,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:14:51,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:14:51,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:14:51,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:14:51,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:14:51,980 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:14:51,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:14:51,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:14:51,981 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_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/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 -> 413fc6a41e04b7b618ff9ab274418b4a8dcf040d [2019-11-26 02:14:52,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:14:52,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:14:52,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:14:52,176 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:14:52,177 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:14:52,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2019-11-26 02:14:52,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/data/374091a39/9373e00485b44267a8c504e1c4d765bc/FLAGcc7fe1004 [2019-11-26 02:14:52,573 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:14:52,573 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2019-11-26 02:14:52,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/data/374091a39/9373e00485b44267a8c504e1c4d765bc/FLAGcc7fe1004 [2019-11-26 02:14:52,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/data/374091a39/9373e00485b44267a8c504e1c4d765bc [2019-11-26 02:14:52,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:14:52,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:14:52,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:52,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:14:52,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:14:52,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:52" (1/1) ... [2019-11-26 02:14:52,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13183bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:52, skipping insertion in model container [2019-11-26 02:14:52,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:52" (1/1) ... [2019-11-26 02:14:52,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:14:53,013 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:14:53,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:53,139 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:14:53,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:53,219 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:14:53,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53 WrapperNode [2019-11-26 02:14:53,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:53,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:53,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:14:53,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:14:53,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:53,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:14:53,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:14:53,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:14:53,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:14:53,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:14:53,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:14:53,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:14:53,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/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 [2019-11-26 02:14:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:14:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:14:53,484 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:14:53,484 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:14:53,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:53 BoogieIcfgContainer [2019-11-26 02:14:53,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:14:53,486 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:14:53,486 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:14:53,496 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:14:53,503 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:14:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:14:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-11-26 02:14:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-11-26 02:14:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:14:53,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:14:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:53,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:14:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2019-11-26 02:14:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-11-26 02:14:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:14:53,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:14:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:14:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-11-26 02:14:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-26 02:14:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:14:54,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:14:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:14:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2019-11-26 02:14:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2019-11-26 02:14:54,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:14:54,779 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-26 02:14:54,787 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-26 02:14:54,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:14:54,839 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:14:54,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:14:54 ImpRootNode [2019-11-26 02:14:54,845 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:14:54,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:14:54,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:14:54,846 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:14:54,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:53" (3/4) ... [2019-11-26 02:14:54,850 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:14:54,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:14:54,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:14:54,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:14:54,916 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f8d6dbdc-3d65-4fea-8cf5-06150dcd5e9d/bin/ukojak/witness.graphml [2019-11-26 02:14:54,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:14:54,918 INFO L168 Benchmark]: Toolchain (without parser) took 1933.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.1 MB in the beginning and 979.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:54,919 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:14:54,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:54,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:14:54,920 INFO L168 Benchmark]: Boogie Preprocessor took 13.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:14:54,921 INFO L168 Benchmark]: RCFGBuilder took 226.19 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:54,921 INFO L168 Benchmark]: CodeCheck took 1359.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.0 MB in the end (delta: 131.2 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:54,921 INFO L168 Benchmark]: Witness Printer took 71.49 ms. Allocated memory is still 1.2 GB. Free memory is still 979.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:14:54,923 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, 10 locations, 2 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 64 SDslu, 4 SDs, 0 SdLazy, 256 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 143 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 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: 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 && M <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.74 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 13.14 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 226.19 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1359.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.0 MB in the end (delta: 131.2 MB). Peak memory consumption was 131.2 MB. Max. memory is 11.5 GB. * Witness Printer took 71.49 ms. Allocated memory is still 1.2 GB. Free memory is still 979.0 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...