./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.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_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/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_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/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_c3bd698a-9a47-475d-b470-36376c567561/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 5ef97db69fbbc2686055433c5626a55a33ea2291308e3f5a177f7b8859d14e9c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:34:02,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:34:02,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:34:02,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:34:02,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:34:02,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:34:02,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:34:02,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:34:02,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:34:02,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:34:02,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:34:02,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:34:02,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:34:02,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:34:02,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:34:02,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:34:02,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:34:02,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:34:02,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:34:02,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:34:02,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:34:02,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:34:02,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:34:02,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:34:02,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:34:02,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:34:02,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:34:02,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:34:02,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:34:02,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:34:02,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:34:02,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:34:02,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:34:02,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:34:02,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:34:02,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:34:02,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:34:02,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:34:02,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:34:02,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:34:02,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:34:02,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 01:34:02,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:34:02,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:34:02,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:34:02,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:34:02,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:34:02,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:34:02,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:34:02,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:34:02,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:34:02,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:34:02,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:34:02,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:34:02,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:34:02,710 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:34:02,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:34:02,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:34:02,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:34:02,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:34:02,712 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:34:02,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:34:02,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:02,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:34:02,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:34:02,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:34:02,713 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:34:02,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:34:02,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:34:02,714 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_c3bd698a-9a47-475d-b470-36376c567561/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ef97db69fbbc2686055433c5626a55a33ea2291308e3f5a177f7b8859d14e9c [2021-11-23 01:34:03,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:34:03,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:34:03,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:34:03,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:34:03,090 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:34:03,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2021-11-23 01:34:03,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/data/107669c07/41060ac8fe4a457dbb20ebf217e7decb/FLAGecce4f732 [2021-11-23 01:34:03,683 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:34:03,684 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/sv-benchmarks/c/termination-crafted-lit/GulwaniJainKoskinen-PLDI2009-Fig1.c [2021-11-23 01:34:03,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/data/107669c07/41060ac8fe4a457dbb20ebf217e7decb/FLAGecce4f732 [2021-11-23 01:34:04,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/data/107669c07/41060ac8fe4a457dbb20ebf217e7decb [2021-11-23 01:34:04,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:34:04,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:34:04,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:04,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:34:04,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:34:04,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b59575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04, skipping insertion in model container [2021-11-23 01:34:04,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:34:04,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:34:04,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:04,280 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:34:04,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:34:04,307 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:34:04,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04 WrapperNode [2021-11-23 01:34:04,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:34:04,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:04,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:34:04,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:34:04,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,340 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2021-11-23 01:34:04,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:34:04,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:34:04,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:34:04,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:34:04,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:34:04,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:34:04,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:34:04,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:34:04,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:34:04,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:34:04,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:34:04,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:34:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:34:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:34:04,506 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:34:04,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:04,674 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:34:04,699 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:34:04,700 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:34:04,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:04 BoogieIcfgContainer [2021-11-23 01:34:04,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:34:04,704 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:34:04,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:34:04,716 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:34:04,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:04" (1/1) ... [2021-11-23 01:34:04,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:34:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 01:34:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 01:34:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:34:04,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:04,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-11-23 01:34:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-11-23 01:34:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:34:05,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:05,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-23 01:34:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-23 01:34:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:34:05,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:05,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:34:05,305 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:34:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:34:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:34:05,412 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:34:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:34:05,424 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-11-23 01:34:05,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:34:05 ImpRootNode [2021-11-23 01:34:05,450 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:34:05,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:34:05,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:34:05,453 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:34:05,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:04" (3/4) ... [2021-11-23 01:34:05,455 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:34:05,505 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:34:05,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:34:05,506 INFO L158 Benchmark]: Toolchain (without parser) took 1442.19ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 50.7MB in the beginning and 84.6MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:05,509 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 86.0MB. Free memory was 66.5MB in the beginning and 66.5MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:05,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.77ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 88.9MB in the end (delta: -38.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.53ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 87.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:05,513 INFO L158 Benchmark]: Boogie Preprocessor took 18.35ms. Allocated memory is still 111.1MB. Free memory was 87.4MB in the beginning and 86.5MB in the end (delta: 901.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,514 INFO L158 Benchmark]: RCFGBuilder took 342.56ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 77.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,515 INFO L158 Benchmark]: CodeCheck took 745.77ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 86.2MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:34:05,516 INFO L158 Benchmark]: Witness Printer took 53.46ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:34:05,524 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, 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, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int id, maxId, tmp; [L17] id = __VERIFIER_nondet_int() [L18] maxId = __VERIFIER_nondet_int() [L21] COND TRUE 0 <= id && id < maxId VAL [id=2147483646, maxId=2147483647] [L22] EXPR id+1 [L22] tmp = id+1 VAL [id=2147483646, maxId=2147483647, tmp=2147483647] [L23] tmp!=id && __VERIFIER_nondet_int() != 0 [L23] tmp!=id && __VERIFIER_nondet_int() != 0 VAL [__VERIFIER_nondet_int()=-1, id=2147483646, maxId=2147483647, tmp=2147483647, tmp!=id && __VERIFIER_nondet_int() != 0=1] [L23] COND TRUE tmp!=id && __VERIFIER_nondet_int() != 0 [L24] COND TRUE tmp <= maxId VAL [id=2147483646, maxId=2147483647, tmp=2147483647] [L25] tmp + 1 VAL [id=2147483646, maxId=2147483647, tmp=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 86.0MB. Free memory was 66.5MB in the beginning and 66.5MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.77ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 50.5MB in the beginning and 88.9MB in the end (delta: -38.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.53ms. Allocated memory is still 111.1MB. Free memory was 88.9MB in the beginning and 87.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.35ms. Allocated memory is still 111.1MB. Free memory was 87.4MB in the beginning and 86.5MB in the end (delta: 901.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.56ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 77.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 745.77ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 86.2MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.46ms. Allocated memory is still 111.1MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:34:05,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bd698a-9a47-475d-b470-36376c567561/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)