./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.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_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/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_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/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_ad83d589-69a6-4f9e-b981-c403d318f78f/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 b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:12:53,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:12:53,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:12:53,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:12:53,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:12:53,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:12:53,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:12:53,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:12:53,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:12:53,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:12:53,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:12:53,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:12:53,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:12:53,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:12:53,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:12:53,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:12:53,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:12:53,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:12:53,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:12:53,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:12:53,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:12:53,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:12:53,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:12:53,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:12:53,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:12:53,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:12:53,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:12:53,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:12:53,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:12:53,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:12:53,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:12:53,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:12:53,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:12:53,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:12:53,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:12:53,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:12:53,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:12:53,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:12:53,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:12:53,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:12:53,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:12:53,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-22 23:12:53,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:12:53,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:12:53,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:12:53,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:12:53,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:12:53,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:12:53,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:12:53,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:12:53,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:12:53,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:12:53,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:12:53,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:12:53,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:12:53,756 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:12:53,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:12:53,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:12:53,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:12:53,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:12:53,757 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:12:53,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:12:53,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:53,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:12:53,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:12:53,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:12:53,759 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:12:53,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:12:53,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:12:53,760 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_ad83d589-69a6-4f9e-b981-c403d318f78f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 [2021-11-22 23:12:54,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:12:54,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:12:54,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:12:54,119 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:12:54,120 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:12:54,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-11-22 23:12:54,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/data/270bd65b8/a382f9533c86424f89e0eee30e40eb63/FLAG319ad824d [2021-11-22 23:12:54,785 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:12:54,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-11-22 23:12:54,792 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/data/270bd65b8/a382f9533c86424f89e0eee30e40eb63/FLAG319ad824d [2021-11-22 23:12:55,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/data/270bd65b8/a382f9533c86424f89e0eee30e40eb63 [2021-11-22 23:12:55,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:12:55,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:12:55,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:55,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:12:55,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:12:55,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311137e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55, skipping insertion in model container [2021-11-22 23:12:55,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:12:55,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:12:55,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:55,425 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:12:55,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:12:55,456 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:12:55,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55 WrapperNode [2021-11-22 23:12:55,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:12:55,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:55,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:12:55,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:12:55,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,505 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2021-11-22 23:12:55,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:12:55,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:12:55,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:12:55,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:12:55,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:12:55,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:12:55,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:12:55,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:12:55,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:12:55,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:12:55,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:12:55,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:12:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:12:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:12:55,752 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:12:55,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:12:55,919 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:12:55,942 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:12:55,943 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:12:55,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:55 BoogieIcfgContainer [2021-11-22 23:12:55,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:12:55,947 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:12:55,947 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:12:55,978 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:12:55,978 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:55" (1/1) ... [2021-11-22 23:12:55,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:12:56,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2021-11-22 23:12:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-11-22 23:12:56,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:12:56,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-11-22 23:12:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-11-22 23:12:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:12:56,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2021-11-22 23:12:56,466 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2021-11-22 23:12:56,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:12:56,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2021-11-22 23:12:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2021-11-22 23:12:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:12:56,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-22 23:12:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-22 23:12:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:12:56,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:56,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:56,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2021-11-22 23:12:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2021-11-22 23:12:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:12:57,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2021-11-22 23:12:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-11-22 23:12:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:12:57,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2021-11-22 23:12:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-11-22 23:12:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:12:57,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:57,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:57,653 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:12:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:57,707 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:12:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:12:57,753 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2021-11-22 23:12:57,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:12:57 ImpRootNode [2021-11-22 23:12:57,785 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:12:57,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:12:57,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:12:57,786 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:12:57,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:12:55" (3/4) ... [2021-11-22 23:12:57,789 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:12:57,828 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:12:57,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:12:57,830 INFO L158 Benchmark]: Toolchain (without parser) took 2662.64ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 79.2MB in the beginning and 88.7MB in the end (delta: -9.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-22 23:12:57,830 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 111.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:12:57,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.77ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 86.9MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:12:57,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.41ms. Allocated memory is still 111.1MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:12:57,832 INFO L158 Benchmark]: Boogie Preprocessor took 45.43ms. Allocated memory is still 111.1MB. Free memory was 85.6MB in the beginning and 84.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:12:57,833 INFO L158 Benchmark]: RCFGBuilder took 390.78ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 74.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:12:57,834 INFO L158 Benchmark]: CodeCheck took 1837.86ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 74.4MB in the beginning and 90.1MB in the end (delta: -15.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-22 23:12:57,835 INFO L158 Benchmark]: Witness Printer took 43.09ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:12:57,839 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, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 8, 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, 146 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 14 mSDtfsCounter, 435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 280 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 VAL [a=-2147483639, b=-2147483639] [L17] COND FALSE !(b < a) VAL [a=-2147483639, b=-2147483639] [L29] EXPR a + 2 [L29] a = a + 2 VAL [a=-2147483637, b=-2147483639] [L30] b - 10 VAL [a=-2147483637, b=-2147483639] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 111.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.77ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 86.9MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.41ms. Allocated memory is still 111.1MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.43ms. Allocated memory is still 111.1MB. Free memory was 85.6MB in the beginning and 84.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.78ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 74.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1837.86ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 74.4MB in the beginning and 90.1MB in the end (delta: -15.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 43.09ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:12:57,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad83d589-69a6-4f9e-b981-c403d318f78f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)