./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrncmp.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrncmp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e --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 87534de3d459ca9409f2dccef0ebbf0eeafdc010d6ce5fc12d39e28438c1bbdf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:40:41,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:40:41,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:40:41,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:40:41,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:40:41,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:40:41,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:40:41,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:40:41,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:40:41,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:40:41,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:40:41,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:40:41,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:40:41,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:40:41,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:40:41,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:40:41,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:40:41,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:40:41,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:40:41,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:40:41,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:40:41,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:40:41,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:40:41,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:40:41,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:40:41,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:40:41,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:40:41,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:40:41,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:40:41,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:40:41,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:40:41,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:40:41,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:40:41,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:40:41,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:40:41,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:40:41,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:40:41,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:40:41,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:40:41,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:40:41,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:40:41,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:40:41,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:40:41,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:40:41,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:40:41,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:40:41,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:40:41,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:40:41,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:40:41,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:40:41,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:40:41,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:40:41,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:40:41,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:40:41,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:40:41,836 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:40:41,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:40:41,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:40:41,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:40:41,837 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:40:41,837 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:40:41,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:40:41,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:40:41,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:40:41,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:40:41,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:40:41,838 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:40:41,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:40:41,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:40:41,839 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_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87534de3d459ca9409f2dccef0ebbf0eeafdc010d6ce5fc12d39e28438c1bbdf [2021-11-13 23:40:42,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:40:42,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:40:42,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:40:42,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:40:42,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:40:42,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/cstrncmp.c [2021-11-13 23:40:42,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/data/694c7b976/4984752cc8d14f84a3feeb8c305dc0ce/FLAG6e5390845 [2021-11-13 23:40:42,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:40:42,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/sv-benchmarks/c/termination-crafted-lit/cstrncmp.c [2021-11-13 23:40:42,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/data/694c7b976/4984752cc8d14f84a3feeb8c305dc0ce/FLAG6e5390845 [2021-11-13 23:40:43,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/data/694c7b976/4984752cc8d14f84a3feeb8c305dc0ce [2021-11-13 23:40:43,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:40:43,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:40:43,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:40:43,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:40:43,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:40:43,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d66f6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43, skipping insertion in model container [2021-11-13 23:40:43,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:40:43,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:40:43,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:40:43,452 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:40:43,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:40:43,501 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:40:43,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43 WrapperNode [2021-11-13 23:40:43,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:40:43,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:40:43,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:40:43,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:40:43,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:40:43,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:40:43,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:40:43,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:40:43,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:40:43,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:40:43,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:40:43,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:40:43,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:40:43" (1/1) ... [2021-11-13 23:40:43,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:40:43,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:40:43,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:40:43,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:40:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:40:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-11-13 23:40:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-11-13 23:40:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:40:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:40:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:40:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:40:44,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:40:44,057 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:40:44,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:44 BoogieIcfgContainer [2021-11-13 23:40:44,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:40:44,061 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:40:44,061 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:40:44,071 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:40:44,071 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:40:44" (1/1) ... [2021-11-13 23:40:44,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:40:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-13 23:40:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-13 23:40:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:40:44,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:44,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-13 23:40:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-13 23:40:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:40:44,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:44,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-13 23:40:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-13 23:40:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:40:44,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:44,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:40:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-13 23:40:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-13 23:40:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:40:44,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:44,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:40:44,714 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:40:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:40:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:40:44,839 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:40:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:40:44,879 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-11-13 23:40:44,916 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportCounterexampleResult(CodeCheckObserver.java:763) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:524) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 23:40:44,925 INFO L158 Benchmark]: Toolchain (without parser) took 1782.95ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 56.4MB in the beginning and 100.5MB in the end (delta: -44.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:40:44,926 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 96.5MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:40:44,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.46ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 72.7MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:40:44,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.99ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 71.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:40:44,935 INFO L158 Benchmark]: Boogie Preprocessor took 39.86ms. Allocated memory is still 96.5MB. Free memory was 71.1MB in the beginning and 69.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:40:44,936 INFO L158 Benchmark]: RCFGBuilder took 463.07ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 56.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 23:40:44,937 INFO L158 Benchmark]: CodeCheck took 863.28ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 56.8MB in the beginning and 100.5MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:40:44,941 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 2 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, 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, 36 SdHoareTripleChecker+Valid, 150.69ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 110.99ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 11 mSDtfsCounter, 44 mSolverCounterSat, 3.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 96.5MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.46ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 72.7MB in the end (delta: -16.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.99ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 71.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.86ms. Allocated memory is still 96.5MB. Free memory was 71.1MB in the beginning and 69.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.07ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 56.8MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 863.28ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 56.8MB in the beginning and 100.5MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:40:44,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02b045a4-aae0-4d12-a896-47c4d2dbf58f/bin/ukojak-2xVlg8857e/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null