./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.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_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/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 263033368f66896d5c79f69cd87eb218f4523caf .............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:56:40,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:56:40,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:56:40,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:56:40,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:56:40,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:56:40,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:56:40,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:56:40,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:56:40,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:56:40,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:56:40,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:56:40,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:56:40,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:56:40,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:56:40,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:56:40,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:56:40,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:56:40,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:56:40,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:56:40,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:56:40,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:56:40,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:56:40,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:56:40,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:56:40,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:56:40,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:56:40,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:56:40,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:56:40,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:56:40,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:56:40,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:56:40,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:56:40,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:56:40,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:56:40,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:56:40,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:56:40,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:56:40,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:56:40,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:56:40,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:56:40,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-20 10:56:40,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:56:40,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:56:40,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:56:40,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:56:40,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:56:40,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:56:40,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:56:40,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:56:40,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:56:40,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:56:40,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:56:40,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:56:40,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:56:40,938 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 10:56:40,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:56:40,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:56:40,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:56:40,939 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:56:40,939 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:56:40,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:56:40,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:56:40,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:56:40,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:56:40,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:56:40,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:56:40,944 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:56:40,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:56:40,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:56:40,945 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_fe02a310-8f99-4622-aa4d-57ad00de956a/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 -> 263033368f66896d5c79f69cd87eb218f4523caf [2019-11-20 10:56:41,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:56:41,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:56:41,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:56:41,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:56:41,145 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:56:41,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2019-11-20 10:56:41,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/data/1e209e493/ec70dedb7a964c938f7e698246b73d97/FLAGf1286936f [2019-11-20 10:56:41,581 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:56:41,582 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2019-11-20 10:56:41,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/data/1e209e493/ec70dedb7a964c938f7e698246b73d97/FLAGf1286936f [2019-11-20 10:56:42,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/data/1e209e493/ec70dedb7a964c938f7e698246b73d97 [2019-11-20 10:56:42,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:56:42,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:56:42,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:56:42,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:56:42,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:56:42,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3c7c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42, skipping insertion in model container [2019-11-20 10:56:42,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,045 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:56:42,062 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:56:42,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:56:42,243 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:56:42,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:56:42,357 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:56:42,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42 WrapperNode [2019-11-20 10:56:42,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:56:42,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:56:42,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:56:42,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:56:42,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:56:42,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:56:42,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:56:42,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:56:42,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:56:42,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:56:42,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:56:42,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:56:42,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:56:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/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 10:56:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:56:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:56:42,721 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:56:42,722 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:56:42,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:56:42 BoogieIcfgContainer [2019-11-20 10:56:42,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:56:42,723 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:56:42,723 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:56:42,733 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:56:42,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:56:42" (1/1) ... [2019-11-20 10:56:42,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:56:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-20 10:56:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-20 10:56:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 10:56:42,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:42,908 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 10:56:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-20 10:56:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-20 10:56:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 10:56:42,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:42,990 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 10:56:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2019-11-20 10:56:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-11-20 10:56:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 10:56:43,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:43,163 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 10:56:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 10:56:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 10:56:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:56:43,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:56:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:56:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:56:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:56:43,530 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-11-20 10:56:43,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:56:43 ImpRootNode [2019-11-20 10:56:43,560 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:56:43,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:56:43,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:56:43,561 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:56:43,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:56:42" (3/4) ... [2019-11-20 10:56:43,563 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 10:56:43,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fe02a310-8f99-4622-aa4d-57ad00de956a/bin/ukojak/witness.graphml [2019-11-20 10:56:43,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:56:43,602 INFO L168 Benchmark]: Toolchain (without parser) took 1574.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -69.0 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:56:43,603 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-11-20 10:56:43,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:56:43,604 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:56:43,604 INFO L168 Benchmark]: Boogie Preprocessor took 14.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:56:43,605 INFO L168 Benchmark]: RCFGBuilder took 320.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:56:43,605 INFO L168 Benchmark]: CodeCheck took 837.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:56:43,606 INFO L168 Benchmark]: Witness Printer took 39.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:56:43,609 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, 11 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 20 SDslu, 8 SDs, 0 SdLazy, 124 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j [L22] EXPR tmp + 1 [L22] j = tmp + 1 [L23] k - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 330.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 320.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * CodeCheck took 837.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. * Witness Printer took 39.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...