./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i --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_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/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_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/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_1907578e-c102-4c02-9022-4cc0a099874d/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 748995aedc1ba148a88b769ef59d17a0b3bfd64d0758afd86740be0cd4b87150 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:49:23,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:49:23,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:49:23,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:49:23,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:49:23,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:49:23,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:49:23,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:49:23,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:49:23,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:49:23,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:49:23,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:49:23,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:49:23,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:49:23,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:49:23,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:49:23,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:49:23,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:49:23,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:49:23,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:49:23,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:49:23,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:49:23,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:49:23,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:49:23,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:49:23,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:49:23,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:49:23,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:49:23,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:49:23,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:49:23,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:49:23,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:49:23,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:49:23,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:49:23,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:49:23,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:49:23,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:49:23,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:49:23,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:49:23,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:49:23,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:49:23,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 00:49:23,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:49:23,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:49:23,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:49:23,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:49:23,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:49:23,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:49:23,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:49:23,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:49:23,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:49:23,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:49:23,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:49:23,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:49:23,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:49:23,578 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:49:23,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:49:23,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:49:23,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:49:23,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:49:23,579 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:49:23,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:49:23,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:23,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:49:23,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:49:23,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:49:23,581 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:49:23,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:49:23,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:49:23,581 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_1907578e-c102-4c02-9022-4cc0a099874d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 748995aedc1ba148a88b769ef59d17a0b3bfd64d0758afd86740be0cd4b87150 [2021-11-23 00:49:23,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:49:23,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:49:23,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:49:23,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:49:23,954 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:49:23,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i [2021-11-23 00:49:24,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/data/5c5a60fc9/42cdf9f1688d43308da61d5a850caa4a/FLAG14a267981 [2021-11-23 00:49:24,724 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:49:24,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/sv-benchmarks/c/signedintegeroverflow-regression/Division-1.i [2021-11-23 00:49:24,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/data/5c5a60fc9/42cdf9f1688d43308da61d5a850caa4a/FLAG14a267981 [2021-11-23 00:49:25,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/data/5c5a60fc9/42cdf9f1688d43308da61d5a850caa4a [2021-11-23 00:49:25,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:49:25,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:49:25,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:25,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:49:25,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:49:25,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e542cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25, skipping insertion in model container [2021-11-23 00:49:25,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:49:25,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:49:25,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:25,469 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:49:25,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:25,555 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:49:25,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25 WrapperNode [2021-11-23 00:49:25,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:25,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:25,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:49:25,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:49:25,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,615 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-23 00:49:25,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:25,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:49:25,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:49:25,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:49:25,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:49:25,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:49:25,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:49:25,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:49:25,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:25,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:49:25,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:49:25,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:49:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:49:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:49:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:49:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:49:25,832 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:49:25,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:49:25,926 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:49:25,945 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:49:25,945 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:49:25,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:25 BoogieIcfgContainer [2021-11-23 00:49:25,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:49:25,950 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:49:25,950 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:49:25,960 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:49:25,961 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:25" (1/1) ... [2021-11-23 00:49:25,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:49:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2021-11-23 00:49:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-11-23 00:49:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:49:26,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:49:26,135 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:49:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:49:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:49:26,180 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:49:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:49:26,192 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-23 00:49:26,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:49:26 ImpRootNode [2021-11-23 00:49:26,233 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:49:26,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:49:26,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:49:26,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:49:26,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:25" (3/4) ... [2021-11-23 00:49:26,238 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:49:26,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:49:26,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:49:26,307 INFO L158 Benchmark]: Toolchain (without parser) took 1273.15ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 47.9MB in the beginning and 64.2MB in the end (delta: -16.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 00:49:26,308 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:49:26,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.80ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 47.7MB in the beginning and 87.9MB in the end (delta: -40.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:49:26,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.50ms. Allocated memory is still 115.3MB. Free memory was 87.9MB in the beginning and 86.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:49:26,312 INFO L158 Benchmark]: Boogie Preprocessor took 21.85ms. Allocated memory is still 115.3MB. Free memory was 86.0MB in the beginning and 85.2MB in the end (delta: 836.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:49:26,313 INFO L158 Benchmark]: RCFGBuilder took 309.63ms. Allocated memory is still 115.3MB. Free memory was 85.2MB in the beginning and 75.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:49:26,314 INFO L158 Benchmark]: CodeCheck took 283.83ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 65.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:49:26,315 INFO L158 Benchmark]: Witness Printer took 71.59ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 64.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:49:26,322 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, 10 locations, 4 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: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int minInt = -2147483647 - 1; VAL [minInt=-2147483648] [L333] minInt / -1 VAL [minInt=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.80ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 47.7MB in the beginning and 87.9MB in the end (delta: -40.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.50ms. Allocated memory is still 115.3MB. Free memory was 87.9MB in the beginning and 86.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.85ms. Allocated memory is still 115.3MB. Free memory was 86.0MB in the beginning and 85.2MB in the end (delta: 836.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.63ms. Allocated memory is still 115.3MB. Free memory was 85.2MB in the beginning and 75.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 283.83ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 65.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 71.59ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 64.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:49:26,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1907578e-c102-4c02-9022-4cc0a099874d/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)