./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY --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 8586441a08b46391c3ae26469a94ac820a4b60b0 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:24:47,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:24:47,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:24:47,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:24:47,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:24:47,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:24:47,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:24:47,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:24:47,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:24:47,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:24:47,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:24:47,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:24:47,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:24:47,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:24:47,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:24:47,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:24:47,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:24:47,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:24:47,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:24:47,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:24:47,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:24:47,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:24:47,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:24:47,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:24:47,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:24:47,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:24:47,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:24:47,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:24:47,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:24:47,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:24:47,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:24:47,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:24:47,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:24:47,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:24:47,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:24:47,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:24:47,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:24:47,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:24:47,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:24:47,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:24:47,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:24:47,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:24:47,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:24:47,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:24:47,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:24:47,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:24:47,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:24:47,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:24:47,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:24:47,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:24:47,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:24:47,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:24:47,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:24:47,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:24:47,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:24:47,766 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:24:47,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:24:47,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:24:47,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:24:47,767 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:24:47,767 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:24:47,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:24:47,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:24:47,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:24:47,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:24:47,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:24:47,769 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:24:47,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:24:47,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:24:47,770 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_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8586441a08b46391c3ae26469a94ac820a4b60b0 [2021-10-13 04:24:48,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:24:48,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:24:48,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:24:48,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:24:48,148 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:24:48,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i [2021-10-13 04:24:48,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/data/a42982e24/61e53a6fce8f41988cf06db78ef9fe48/FLAG308a9d3bb [2021-10-13 04:24:48,830 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:24:48,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i [2021-10-13 04:24:48,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/data/a42982e24/61e53a6fce8f41988cf06db78ef9fe48/FLAG308a9d3bb [2021-10-13 04:24:49,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/data/a42982e24/61e53a6fce8f41988cf06db78ef9fe48 [2021-10-13 04:24:49,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:24:49,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:24:49,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:24:49,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:24:49,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:24:49,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721aa736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49, skipping insertion in model container [2021-10-13 04:24:49,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:24:49,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:24:49,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:24:49,566 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:24:49,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:24:49,686 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:24:49,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49 WrapperNode [2021-10-13 04:24:49,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:24:49,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:24:49,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:24:49,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:24:49,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:24:49,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:24:49,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:24:49,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:24:49,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:24:49,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:24:49,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:24:49,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:24:49,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:24:49" (1/1) ... [2021-10-13 04:24:49,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:24:49,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:24:49,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:24:49,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:24:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:24:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:24:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:24:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:24:50,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:24:50,142 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 04:24:50,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:24:50 BoogieIcfgContainer [2021-10-13 04:24:50,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:24:50,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:24:50,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:24:50,158 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:24:50,159 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:24:50" (1/1) ... [2021-10-13 04:24:50,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:24:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:24:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2021-10-13 04:24:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-10-13 04:24:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 04:24:50,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:24:50,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:24:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:24:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:24:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:24:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2021-10-13 04:24:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2021-10-13 04:24:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:24:50,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:24:50,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:24:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:24:50,607 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:24:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:24:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:24:50,667 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:24:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:24:50,687 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-10-13 04:24:50,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:24:50 ImpRootNode [2021-10-13 04:24:50,721 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:24:50,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:24:50,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:24:50,726 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:24:50,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:24:50" (3/4) ... [2021-10-13 04:24:50,732 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:24:50,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:24:50,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:24:50,782 INFO L168 Benchmark]: Toolchain (without parser) took 1652.35 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.5 MB in the beginning and 96.7 MB in the end (delta: -40.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:24:50,782 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 92.3 MB. Free memory was 61.4 MB in the beginning and 61.3 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:24:50,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.97 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 61.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:24:50,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.79 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 59.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:24:50,785 INFO L168 Benchmark]: Boogie Preprocessor took 44.79 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 58.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:24:50,786 INFO L168 Benchmark]: RCFGBuilder took 346.32 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 49.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:24:50,787 INFO L168 Benchmark]: CodeCheck took 575.08 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 49.4 MB in the beginning and 98.2 MB in the end (delta: -48.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:24:50,788 INFO L168 Benchmark]: Witness Printer took 53.80 ms. Allocated memory is still 127.9 MB. Free memory was 98.2 MB in the beginning and 96.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:24:50,793 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: 505.8ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 19.7ms SsaConstructionTime, 46.2ms SatisfiabilityAnalysisTime, 79.6ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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; [L333] minInt + -1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 92.3 MB. Free memory was 61.4 MB in the beginning and 61.3 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.97 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 61.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.79 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 59.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.79 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 58.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 346.32 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 49.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 575.08 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 49.4 MB in the beginning and 98.2 MB in the end (delta: -48.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 53.80 ms. Allocated memory is still 127.9 MB. Free memory was 98.2 MB in the beginning and 96.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:24:50,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b13aca-b489-4a1d-8663-b97af3aab769/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...