./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/joey.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/joey.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ --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 b8eecb1f582817a24edea1132ecb15ddc358f67da7ed612a076c099e943ee704 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:16:22,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:16:22,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:16:23,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:16:23,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:16:23,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:16:23,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:16:23,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:16:23,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:16:23,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:16:23,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:16:23,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:16:23,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:16:23,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:16:23,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:16:23,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:16:23,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:16:23,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:16:23,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:16:23,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:16:23,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:16:23,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:16:23,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:16:23,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:16:23,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:16:23,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:16:23,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:16:23,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:16:23,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:16:23,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:16:23,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:16:23,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:16:23,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:16:23,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:16:23,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:16:23,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:16:23,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:16:23,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:16:23,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:16:23,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:16:23,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:16:23,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-22 23:16:23,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:16:23,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:16:23,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:16:23,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:16:23,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:16:23,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:16:23,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:16:23,138 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:16:23,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:16:23,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:16:23,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:16:23,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:16:23,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:16:23,141 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:16:23,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:16:23,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:16:23,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:16:23,142 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:16:23,142 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:16:23,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:16:23,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:23,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:16:23,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:16:23,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:16:23,143 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:16:23,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:16:23,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:16:23,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8eecb1f582817a24edea1132ecb15ddc358f67da7ed612a076c099e943ee704 [2021-11-22 23:16:23,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:16:23,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:16:23,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:16:23,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:16:23,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:16:23,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/joey.c [2021-11-22 23:16:23,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/data/44a878e3c/f2ec1ce5bb664b4da7e1877b9252305e/FLAG98ff79ff6 [2021-11-22 23:16:24,073 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:16:24,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/sv-benchmarks/c/termination-crafted-lit/joey.c [2021-11-22 23:16:24,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/data/44a878e3c/f2ec1ce5bb664b4da7e1877b9252305e/FLAG98ff79ff6 [2021-11-22 23:16:24,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/data/44a878e3c/f2ec1ce5bb664b4da7e1877b9252305e [2021-11-22 23:16:24,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:16:24,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:16:24,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:24,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:16:24,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:16:24,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bda2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24, skipping insertion in model container [2021-11-22 23:16:24,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:16:24,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:16:24,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:24,648 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:16:24,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:24,698 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:16:24,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24 WrapperNode [2021-11-22 23:16:24,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:24,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:24,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:16:24,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:16:24,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,731 INFO L137 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10 [2021-11-22 23:16:24,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:24,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:16:24,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:16:24,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:16:24,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:16:24,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:16:24,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:16:24,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:16:24,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:24,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:16:24,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:16:24,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:16:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-11-22 23:16:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-11-22 23:16:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:16:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:16:24,885 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:16:24,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:16:25,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:16:25,032 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:16:25,039 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:16:25,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:25 BoogieIcfgContainer [2021-11-22 23:16:25,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:16:25,043 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:16:25,043 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:16:25,055 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:16:25,055 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:25" (1/1) ... [2021-11-22 23:16:25,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:16:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-22 23:16:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-22 23:16:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:16:25,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:25,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 44 transitions. [2021-11-22 23:16:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-22 23:16:25,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:16:25,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:25,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:16:25,601 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:16:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:16:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:16:25,633 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:16:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:16:25,644 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-22 23:16:25,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:16:25 ImpRootNode [2021-11-22 23:16:25,669 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:16:25,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:16:25,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:16:25,670 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:16:25,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:25" (3/4) ... [2021-11-22 23:16:25,673 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:16:25,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:16:25,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:16:25,723 INFO L158 Benchmark]: Toolchain (without parser) took 1270.75ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 67.3MB in the beginning and 83.5MB in the end (delta: -16.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-22 23:16:25,724 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:16:25,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.36ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 67.0MB in the beginning and 117.1MB in the end (delta: -50.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:16:25,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.73ms. Allocated memory is still 140.5MB. Free memory was 117.1MB in the beginning and 116.3MB in the end (delta: 735.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:16:25,731 INFO L158 Benchmark]: Boogie Preprocessor took 18.67ms. Allocated memory is still 140.5MB. Free memory was 116.3MB in the beginning and 115.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:16:25,733 INFO L158 Benchmark]: RCFGBuilder took 290.23ms. Allocated memory is still 140.5MB. Free memory was 115.0MB in the beginning and 105.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:16:25,733 INFO L158 Benchmark]: CodeCheck took 626.11ms. Allocated memory is still 140.5MB. Free memory was 105.2MB in the beginning and 85.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-22 23:16:25,734 INFO L158 Benchmark]: Witness Printer took 52.18ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 83.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:16:25,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 31 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 4 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y; VAL [x=2147483647] [L22] CALL rec(x) VAL [\old(x)=2147483647] [L10] COND FALSE !(x <= 0) VAL [\old(x)=2147483647, x=2147483647] [L12] COND FALSE !(x%2 == 0) VAL [\old(x)=2147483647, x=2147483647] [L15] ++x VAL [\old(x)=2147483647, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.36ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 67.0MB in the beginning and 117.1MB in the end (delta: -50.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.73ms. Allocated memory is still 140.5MB. Free memory was 117.1MB in the beginning and 116.3MB in the end (delta: 735.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.67ms. Allocated memory is still 140.5MB. Free memory was 116.3MB in the beginning and 115.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.23ms. Allocated memory is still 140.5MB. Free memory was 115.0MB in the beginning and 105.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 626.11ms. Allocated memory is still 140.5MB. Free memory was 105.2MB in the beginning and 85.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 52.18ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 83.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:16:25,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af4d4be7-052d-404b-90fb-d66d3912d44c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)