./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --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_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/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_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/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_8a64d569-4f95-4eee-a290-446eb2d74bfd/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 4f5dfa3dfde4da491a923b915452cddcc4ed5c87 ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:59:11,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:59:11,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:59:11,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:59:11,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:59:11,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:59:11,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:59:11,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:59:11,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:59:11,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:59:11,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:59:11,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:59:11,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:59:11,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:59:11,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:59:11,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:59:11,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:59:11,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:59:11,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:59:11,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:59:11,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:59:11,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:59:11,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:59:11,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:59:11,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:59:11,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:59:11,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:59:11,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:59:11,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:59:11,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:59:11,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:59:11,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:59:11,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:59:11,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:59:11,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:59:11,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:59:11,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:59:11,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:59:11,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:59:11,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:59:11,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:59:11,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:59:11,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:59:11,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:59:11,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:59:11,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:59:11,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:59:11,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:59:11,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:59:11,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:59:11,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:59:11,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:59:11,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:59:11,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:59:11,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:59:11,917 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:59:11,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:59:11,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:59:11,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:59:11,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:59:11,918 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:59:11,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:59:11,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:59:11,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:59:11,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:59:11,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:59:11,920 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:59:11,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:59:11,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:59:11,921 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_8a64d569-4f95-4eee-a290-446eb2d74bfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5dfa3dfde4da491a923b915452cddcc4ed5c87 [2021-10-13 04:59:12,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:59:12,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:59:12,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:59:12,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:59:12,237 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:59:12,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-10-13 04:59:12,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/data/580c293c5/ea8304d68a6d445eb84b7eb10c8c9ff7/FLAG15278547e [2021-10-13 04:59:12,861 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:59:12,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2021-10-13 04:59:12,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/data/580c293c5/ea8304d68a6d445eb84b7eb10c8c9ff7/FLAG15278547e [2021-10-13 04:59:13,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/data/580c293c5/ea8304d68a6d445eb84b7eb10c8c9ff7 [2021-10-13 04:59:13,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:59:13,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:59:13,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:59:13,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:59:13,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:59:13,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dce77af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13, skipping insertion in model container [2021-10-13 04:59:13,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:59:13,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:59:13,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:59:13,470 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:59:13,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:59:13,500 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:59:13,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13 WrapperNode [2021-10-13 04:59:13,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:59:13,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:59:13,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:59:13,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:59:13,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:59:13,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:59:13,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:59:13,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:59:13,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:59:13,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:59:13,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:59:13,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:59:13,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:59:13,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:59:13,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:59:13,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:59:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:59:13,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:59:13,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:59:13,930 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 04:59:13,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:59:13 BoogieIcfgContainer [2021-10-13 04:59:13,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:59:13,937 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:59:13,951 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:59:13,964 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:59:13,964 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:59:13" (1/1) ... [2021-10-13 04:59:13,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:59:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-13 04:59:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-13 04:59:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:59:14,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,253 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 04:59:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-10-13 04:59:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-10-13 04:59:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:59:14,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,365 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 04:59:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2021-10-13 04:59:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2021-10-13 04:59:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:59:14,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,532 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 04:59:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-10-13 04:59:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-10-13 04:59:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:59:14,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,804 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 04:59:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-10-13 04:59:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-10-13 04:59:14,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 04:59:14,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:14,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 04:59:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-10-13 04:59:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-10-13 04:59:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 04:59:15,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:15,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:59:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-10-13 04:59:15,479 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-13 04:59:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 04:59:15,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:15,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 04:59:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-13 04:59:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-13 04:59:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 04:59:16,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:59:16,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:59:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:59:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 04:59:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:59:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-13 04:59:16,486 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-13 04:59:16,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:59:16,487 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-10-13 04:59:16,493 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-13 04:59:16,570 INFO L565 CodeCheckObserver]: Invariant with dag size 16 [2021-10-13 04:59:16,585 INFO L565 CodeCheckObserver]: Invariant with dag size 5 [2021-10-13 04:59:16,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:59:16 ImpRootNode [2021-10-13 04:59:16,586 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:59:16,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:59:16,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:59:16,587 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:59:16,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:59:13" (3/4) ... [2021-10-13 04:59:16,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:59:16,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-13 04:59:16,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 04:59:16,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:59:16,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:59:16,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:59:16,665 INFO L168 Benchmark]: Toolchain (without parser) took 3423.33 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 65.1 MB in the beginning and 75.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:16,665 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 98.6 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:59:16,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.28 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 74.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:16,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.74 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:59:16,667 INFO L168 Benchmark]: Boogie Preprocessor took 19.86 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 72.0 MB in the end (delta: 930.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:16,668 INFO L168 Benchmark]: RCFGBuilder took 381.87 ms. Allocated memory is still 98.6 MB. Free memory was 72.0 MB in the beginning and 62.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:16,669 INFO L168 Benchmark]: CodeCheck took 2649.71 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 62.6 MB in the beginning and 77.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:16,669 INFO L168 Benchmark]: Witness Printer took 76.32 ms. Allocated memory is still 136.3 MB. Free memory was 77.8 MB in the beginning and 75.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:59:16,673 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2499.8ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 512 SDtfs, 1044 SDslu, 0 SDs, 0 SdLazy, 5610 SolverSat, 1278 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1022.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 472 GetRequests, 388 SyntacticMatches, 8 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2588 ImplicationChecksByTransitivity, 1587.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 19.1ms SsaConstructionTime, 84.8ms SatisfiabilityAnalysisTime, 360.2ms InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 12/13 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 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((j <= 0 && i <= 4) && 0 <= i + 2147483648) && 0 <= j) || ((2 < i && 0 < j) && i <= 4) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= i + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 98.6 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.28 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 74.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.74 ms. Allocated memory is still 98.6 MB. Free memory was 74.1 MB in the beginning and 72.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.86 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 72.0 MB in the end (delta: 930.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 381.87 ms. Allocated memory is still 98.6 MB. Free memory was 72.0 MB in the beginning and 62.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 2649.71 ms. Allocated memory was 98.6 MB in the beginning and 136.3 MB in the end (delta: 37.7 MB). Free memory was 62.6 MB in the beginning and 77.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 76.32 ms. Allocated memory is still 136.3 MB. Free memory was 77.8 MB in the beginning and 75.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:59:16,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a64d569-4f95-4eee-a290-446eb2d74bfd/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...