./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.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_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/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_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/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_9ae49df8-0933-44b9-a648-cc9d24ca524f/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 8242af19e5d8a65ad95d07f328cd81497a8b66a5b29a018955393199fbab6ffe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:58:15,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:58:15,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:58:15,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:58:15,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:58:15,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:58:15,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:58:15,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:58:15,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:58:15,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:58:15,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:58:15,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:58:15,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:58:15,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:58:15,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:58:15,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:58:15,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:58:15,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:58:15,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:58:15,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:58:15,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:58:15,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:58:15,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:58:15,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:58:15,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:58:15,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:58:15,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:58:15,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:58:15,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:58:15,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:58:15,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:58:15,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:58:15,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:58:15,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:58:15,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:58:15,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:58:15,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:58:15,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:58:15,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:58:15,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:58:15,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:58:15,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 05:58:15,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:58:15,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:58:15,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:58:15,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:58:15,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:58:15,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:58:15,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:58:15,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:58:15,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:58:15,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:58:15,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:58:15,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:58:15,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:58:15,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:58:15,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:58:15,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:58:15,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:58:15,641 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:58:15,642 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:58:15,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:58:15,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:58:15,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:58:15,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:58:15,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:58:15,643 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:58:15,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:58:15,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:58:15,644 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_9ae49df8-0933-44b9-a648-cc9d24ca524f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8242af19e5d8a65ad95d07f328cd81497a8b66a5b29a018955393199fbab6ffe [2021-11-21 05:58:15,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:58:15,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:58:15,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:58:15,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:58:15,986 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:58:15,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.c [2021-11-21 05:58:16,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/data/d586bfe90/3d177dcbf46749c08a0473670391654f/FLAG858441fe8 [2021-11-21 05:58:16,499 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:58:16,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron6.c [2021-11-21 05:58:16,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/data/d586bfe90/3d177dcbf46749c08a0473670391654f/FLAG858441fe8 [2021-11-21 05:58:16,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/data/d586bfe90/3d177dcbf46749c08a0473670391654f [2021-11-21 05:58:16,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:58:16,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:58:16,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:58:16,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:58:16,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:58:16,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:58:16" (1/1) ... [2021-11-21 05:58:16,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7023f031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:16, skipping insertion in model container [2021-11-21 05:58:16,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:58:16" (1/1) ... [2021-11-21 05:58:16,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:58:16,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:58:17,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:58:17,081 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:58:17,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:58:17,108 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:58:17,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17 WrapperNode [2021-11-21 05:58:17,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:58:17,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:58:17,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:58:17,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:58:17,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,142 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2021-11-21 05:58:17,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:58:17,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:58:17,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:58:17,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:58:17,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:58:17,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:58:17,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:58:17,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:58:17,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:58:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:58:17,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:58:17,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:58:17,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:58:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:58:17,318 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:58:17,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:58:17,537 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:58:17,559 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:58:17,560 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 05:58:17,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:58:17 BoogieIcfgContainer [2021-11-21 05:58:17,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:58:17,563 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:58:17,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:58:17,573 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:58:17,573 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:58:17" (1/1) ... [2021-11-21 05:58:17,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:58:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2021-11-21 05:58:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-11-21 05:58:17,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-21 05:58:17,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:17,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:58:17,751 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:58:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:58:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:58:17,820 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:58:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:58:17,842 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-21 05:58:17,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:58:17 ImpRootNode [2021-11-21 05:58:17,870 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:58:17,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:58:17,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:58:17,873 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:58:17,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:58:17" (3/4) ... [2021-11-21 05:58:17,875 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 05:58:17,916 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:58:17,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:58:17,921 INFO L158 Benchmark]: Toolchain (without parser) took 1018.77ms. Allocated memory is still 94.4MB. Free memory was 53.9MB in the beginning and 41.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-21 05:58:17,922 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:58:17,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.56ms. Allocated memory is still 94.4MB. Free memory was 53.7MB in the beginning and 65.9MB in the end (delta: -12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:58:17,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.63ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:58:17,923 INFO L158 Benchmark]: Boogie Preprocessor took 19.07ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 63.6MB in the end (delta: 861.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:58:17,924 INFO L158 Benchmark]: RCFGBuilder took 398.90ms. Allocated memory is still 94.4MB. Free memory was 63.3MB in the beginning and 52.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:58:17,927 INFO L158 Benchmark]: CodeCheck took 307.45ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 42.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:58:17,927 INFO L158 Benchmark]: Witness Printer took 43.87ms. Allocated memory is still 94.4MB. Free memory was 42.6MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:58:17,934 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, 31 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, tx, y, ty, n; [L15] x = __VERIFIER_nondet_int() [L16] tx = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] ty = __VERIFIER_nondet_int() [L19] n = __VERIFIER_nondet_int() [L20] x + y VAL [n=0, x=0, x=2147483647, y=1, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.56ms. Allocated memory is still 94.4MB. Free memory was 53.7MB in the beginning and 65.9MB in the end (delta: -12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.63ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.07ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 63.6MB in the end (delta: 861.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.90ms. Allocated memory is still 94.4MB. Free memory was 63.3MB in the beginning and 52.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 307.45ms. Allocated memory is still 94.4MB. Free memory was 52.2MB in the beginning and 42.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 43.87ms. Allocated memory is still 94.4MB. Free memory was 42.6MB in the beginning and 41.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 05:58:17,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae49df8-0933-44b9-a648-cc9d24ca524f/bin/ukojak-vF6T2TMglN/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)