./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg --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 667f977d647c7ddb67528e51499f9ca669bb7b719340387a8cc9437d2a9c5036 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 21:46:32,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:46:32,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:46:32,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:46:32,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:46:32,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:46:32,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:46:32,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:46:32,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:46:32,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:46:32,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:46:32,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:46:32,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:46:32,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:46:32,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:46:32,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:46:32,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:46:32,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:46:32,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:46:32,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:46:32,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:46:32,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:46:32,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:46:32,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:46:32,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:46:32,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:46:32,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:46:32,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:46:32,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:46:32,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:46:32,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:46:32,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:46:32,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:46:32,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:46:32,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:46:32,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:46:32,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:46:32,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:46:32,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:46:32,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:46:32,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:46:32,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:46:32,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:46:32,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:46:32,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:46:32,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:46:32,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:46:32,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:46:32,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:46:32,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:46:32,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:46:32,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:46:32,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:46:32,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:46:32,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:46:32,786 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:46:32,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:46:32,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:46:32,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:46:32,787 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:46:32,787 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:46:32,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:46:32,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:46:32,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:46:32,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:46:32,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:46:32,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:46:32,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:46:32,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:46:32,789 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_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 667f977d647c7ddb67528e51499f9ca669bb7b719340387a8cc9437d2a9c5036 [2022-11-21 21:46:33,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:46:33,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:46:33,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:46:33,124 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:46:33,124 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:46:33,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple3.c [2022-11-21 21:46:36,045 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:46:36,230 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:46:36,231 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/sv-benchmarks/c/termination-crafted/NonTerminationSimple3.c [2022-11-21 21:46:36,236 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/data/55b528066/5a419e8766734a658108e6841fcdc876/FLAG3373d0f8d [2022-11-21 21:46:36,251 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/data/55b528066/5a419e8766734a658108e6841fcdc876 [2022-11-21 21:46:36,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:46:36,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:46:36,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:46:36,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:46:36,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:46:36,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612d09e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36, skipping insertion in model container [2022-11-21 21:46:36,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:46:36,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:46:36,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:46:36,403 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:46:36,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:46:36,423 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:46:36,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36 WrapperNode [2022-11-21 21:46:36,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:46:36,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:46:36,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:46:36,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:46:36,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,452 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 21:46:36,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:46:36,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:46:36,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:46:36,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:46:36,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:46:36,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:46:36,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:46:36,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:46:36,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:46:36,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:46:36,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:46:36,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:46:36,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:46:36,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:46:36,634 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:46:36,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:46:36,693 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:46:36,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:46:36,712 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 21:46:36,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:46:36 BoogieIcfgContainer [2022-11-21 21:46:36,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:46:36,715 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:46:36,715 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:46:36,723 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:46:36,723 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:46:36" (1/1) ... [2022-11-21 21:46:36,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:46:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:46:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-21 21:46:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-21 21:46:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 21:46:36,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:46:36,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:46:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:46:36,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:46:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:46:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:46:36,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:46:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:46:36,932 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-21 21:46:36,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:46:36 ImpRootNode [2022-11-21 21:46:36,953 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:46:36,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:46:36,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:46:36,955 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:46:36,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:46:36" (3/4) ... [2022-11-21 21:46:36,957 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 21:46:36,987 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:46:36,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:46:36,989 INFO L158 Benchmark]: Toolchain (without parser) took 731.88ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 71.5MB in the beginning and 107.9MB in the end (delta: -36.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:46:36,989 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:46:36,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.87ms. Allocated memory is still 115.3MB. Free memory was 71.3MB in the beginning and 62.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 21:46:36,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.45ms. Allocated memory is still 115.3MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:46:36,991 INFO L158 Benchmark]: Boogie Preprocessor took 18.87ms. Allocated memory is still 115.3MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 890.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:46:36,992 INFO L158 Benchmark]: RCFGBuilder took 241.49ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 59.9MB in the beginning and 119.2MB in the end (delta: -59.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-21 21:46:36,992 INFO L158 Benchmark]: CodeCheck took 238.59ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 109.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 21:46:36,993 INFO L158 Benchmark]: Witness Printer took 33.62ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:46:36,996 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, 7 locations, 2 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, 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, 3 NumberOfCodeBlocks, 3 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int c, x; [L15] c = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] COND TRUE x >= 0 VAL [c=2147483647, x=1] [L18] x + c VAL [c=2147483647, x=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.87ms. Allocated memory is still 115.3MB. Free memory was 71.3MB in the beginning and 62.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.45ms. Allocated memory is still 115.3MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.87ms. Allocated memory is still 115.3MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 890.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 241.49ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 59.9MB in the beginning and 119.2MB in the end (delta: -59.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 238.59ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 109.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 33.62ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 107.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 21:46:37,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42bc38fd-a234-423f-83cc-3fb72643000b/bin/ukojak-jW3SillKbg/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)