./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN --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 296e9988b55edbc54108eff44b47c089045df177e779a079877f1dfcae166da5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:21:16,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:21:16,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:21:16,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:21:16,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:21:16,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:21:16,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:21:16,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:21:16,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:21:16,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:21:16,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:21:16,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:21:16,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:21:16,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:21:16,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:21:16,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:21:16,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:21:16,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:21:16,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:21:16,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:21:16,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:21:16,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:21:16,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:21:16,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:21:16,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:21:16,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:21:16,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:21:16,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:21:16,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:21:16,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:21:16,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:21:16,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:21:16,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:21:16,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:21:16,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:21:16,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:21:16,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:21:16,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:21:16,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:21:16,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:21:16,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:21:16,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:21:16,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:21:16,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:21:16,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:21:16,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:21:16,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:21:16,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:21:16,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:21:16,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:21:16,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:21:16,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:21:16,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:21:16,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:21:16,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:21:16,639 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:21:16,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:21:16,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:21:16,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:21:16,640 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:21:16,640 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:21:16,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:21:16,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:16,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:21:16,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:21:16,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:21:16,642 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:21:16,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:21:16,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:21:16,642 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_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 296e9988b55edbc54108eff44b47c089045df177e779a079877f1dfcae166da5 [2021-11-21 06:21:16,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:21:16,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:21:16,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:21:16,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:21:16,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:21:16,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2021-11-21 06:21:17,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/data/551636244/ceb07227a26b4a6ea2ac5b167b4b147a/FLAG338239c3a [2021-11-21 06:21:17,553 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:21:17,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2021-11-21 06:21:17,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/data/551636244/ceb07227a26b4a6ea2ac5b167b4b147a/FLAG338239c3a [2021-11-21 06:21:17,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/data/551636244/ceb07227a26b4a6ea2ac5b167b4b147a [2021-11-21 06:21:17,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:21:17,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:21:17,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:17,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:21:17,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:21:17,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e61547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17, skipping insertion in model container [2021-11-21 06:21:17,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:21:17,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:21:18,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:18,158 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:21:18,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:18,182 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:21:18,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18 WrapperNode [2021-11-21 06:21:18,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:18,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:18,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:21:18,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:21:18,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,217 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2021-11-21 06:21:18,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:18,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:21:18,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:21:18,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:21:18,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:21:18,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:21:18,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:21:18,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:21:18,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:18,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:21:18,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:21:18,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:21:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:21:18,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:21:18,444 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:21:18,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:21:18,641 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:21:18,678 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:21:18,679 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 06:21:18,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:18 BoogieIcfgContainer [2021-11-21 06:21:18,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:21:18,683 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:21:18,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:21:18,695 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:21:18,695 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:21:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-11-21 06:21:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-21 06:21:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:21:18,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:18,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:18,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-21 06:21:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-21 06:21:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:21:18,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:18,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-21 06:21:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-21 06:21:19,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:21:19,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2021-11-21 06:21:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-11-21 06:21:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:21:19,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:21:19,425 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:21:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:21:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:21:19,462 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 06:21:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 06:21:19,474 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-11-21 06:21:19,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:21:19 ImpRootNode [2021-11-21 06:21:19,505 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:21:19,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:21:19,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:21:19,507 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:21:19,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:18" (3/4) ... [2021-11-21 06:21:19,509 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 06:21:19,595 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:21:19,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:21:19,597 INFO L158 Benchmark]: Toolchain (without parser) took 1670.08ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 72.9MB in the beginning and 105.8MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:19,598 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:19,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.77ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 82.5MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:21:19,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.54ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:19,601 INFO L158 Benchmark]: Boogie Preprocessor took 36.61ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:21:19,602 INFO L158 Benchmark]: RCFGBuilder took 423.77ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 70.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:21:19,603 INFO L158 Benchmark]: CodeCheck took 822.83ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 70.6MB in the beginning and 107.9MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:19,604 INFO L158 Benchmark]: Witness Printer took 89.59ms. Allocated memory is still 136.3MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:21:19,610 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 1 procedures, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, 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, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 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: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int c, u, v, w, x, y, z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] u = x [L20] v = y [L21] w = z [L22] c = 0 VAL [c=0, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L23] COND TRUE x >= y VAL [c=0, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L24] EXPR c + 1 [L24] c = c + 1 VAL [c=1, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L25] COND FALSE !(z > 1) VAL [c=1, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L29] y + 1 VAL [c=1, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.77ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 82.5MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.54ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.61ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.77ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 70.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 822.83ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 70.6MB in the beginning and 107.9MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.59ms. Allocated memory is still 136.3MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 06:21:19,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08ae917c-036d-4f36-8364-926aa9bd065a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)