./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.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_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/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_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/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_11cff1c4-3855-41ba-b271-eb3f5d31c8af/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 7b8d2b598ac3326e286016998f443939dfd4be1d ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:33:40,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:33:40,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:33:40,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:33:40,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:33:40,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:33:40,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:33:40,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:33:40,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:33:40,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:33:40,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:33:40,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:33:40,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:33:40,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:33:40,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:33:40,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:33:40,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:33:40,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:33:40,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:33:40,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:33:40,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:33:40,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:33:40,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:33:40,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:33:40,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:33:40,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:33:40,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:33:40,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:33:40,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:33:40,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:33:40,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:33:40,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:33:40,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:33:40,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:33:40,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:33:40,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:33:40,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:33:40,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:33:40,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:33:40,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:33:40,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:33:40,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:33:40,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:33:40,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:33:40,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:33:40,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:33:40,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:33:40,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:33:40,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:33:40,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:33:40,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:33:40,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:33:40,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:33:40,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:33:40,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:33:40,547 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:33:40,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:33:40,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:33:40,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:33:40,548 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:33:40,548 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:33:40,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:33:40,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:33:40,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:33:40,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:33:40,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:33:40,549 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:33:40,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:33:40,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:33:40,550 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_11cff1c4-3855-41ba-b271-eb3f5d31c8af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b8d2b598ac3326e286016998f443939dfd4be1d [2021-10-13 04:33:40,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:33:40,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:33:40,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:33:40,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:33:40,864 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:33:40,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c [2021-10-13 04:33:40,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/data/3f6197ef2/5325e9d6f95547119b20aaac28973deb/FLAGd0fc188ad [2021-10-13 04:33:41,329 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:33:41,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c [2021-10-13 04:33:41,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/data/3f6197ef2/5325e9d6f95547119b20aaac28973deb/FLAGd0fc188ad [2021-10-13 04:33:41,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/data/3f6197ef2/5325e9d6f95547119b20aaac28973deb [2021-10-13 04:33:41,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:33:41,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:33:41,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:33:41,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:33:41,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:33:41,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:41,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a7b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41, skipping insertion in model container [2021-10-13 04:33:41,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:41,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:33:41,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:33:41,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:33:41,956 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:33:41,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:33:41,992 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:33:41,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41 WrapperNode [2021-10-13 04:33:41,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:33:41,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:33:41,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:33:41,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:33:42,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:33:42,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:33:42,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:33:42,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:33:42,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:33:42,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:33:42,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:33:42,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:33:42,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:41" (1/1) ... [2021-10-13 04:33:42,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:33:42,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:33:42,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:33:42,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:33:42,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:33:42,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:33:42,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:33:42,349 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 04:33:42,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:33:42 BoogieIcfgContainer [2021-10-13 04:33:42,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:33:42,353 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:33:42,353 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:33:42,365 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:33:42,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:33:42" (1/1) ... [2021-10-13 04:33:42,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:33:42,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2021-10-13 04:33:42,408 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-10-13 04:33:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 04:33:42,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:42,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:42,530 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 04:33:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2021-10-13 04:33:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-10-13 04:33:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:33:42,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:42,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:42,610 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 04:33:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:42,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2021-10-13 04:33:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-10-13 04:33:42,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:33:42,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:42,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:42,676 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:33:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:42,750 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:33:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:42,769 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-10-13 04:33:42,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:33:42 ImpRootNode [2021-10-13 04:33:42,785 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:33:42,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:33:42,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:33:42,786 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:33:42,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:33:42" (3/4) ... [2021-10-13 04:33:42,788 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 04:33:42,818 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:33:42,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:33:42,820 INFO L168 Benchmark]: Toolchain (without parser) took 1043.80 ms. Allocated memory is still 102.8 MB. Free memory was 61.4 MB in the beginning and 49.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:42,821 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 77.4 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:33:42,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.64 ms. Allocated memory is still 102.8 MB. Free memory was 61.2 MB in the beginning and 79.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:42,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.05 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 77.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:33:42,824 INFO L168 Benchmark]: Boogie Preprocessor took 25.19 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.8 MB in the end (delta: 674.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:42,824 INFO L168 Benchmark]: RCFGBuilder took 283.80 ms. Allocated memory is still 102.8 MB. Free memory was 76.8 MB in the beginning and 66.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:42,825 INFO L168 Benchmark]: CodeCheck took 432.62 ms. Allocated memory is still 102.8 MB. Free memory was 66.4 MB in the beginning and 51.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:42,826 INFO L168 Benchmark]: Witness Printer took 32.18 ms. Allocated memory is still 102.8 MB. Free memory was 51.3 MB in the beginning and 49.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:33:42,830 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, 25 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 385.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 40 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 47.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 8.4ms SsaConstructionTime, 43.7ms SatisfiabilityAnalysisTime, 72.4ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 [L18] EXPR x - 1 [L18] x = x - 1 [L19] y + x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 77.4 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 215.64 ms. Allocated memory is still 102.8 MB. Free memory was 61.2 MB in the beginning and 79.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.05 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 77.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.19 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.8 MB in the end (delta: 674.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 283.80 ms. Allocated memory is still 102.8 MB. Free memory was 76.8 MB in the beginning and 66.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 432.62 ms. Allocated memory is still 102.8 MB. Free memory was 66.4 MB in the beginning and 51.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 32.18 ms. Allocated memory is still 102.8 MB. Free memory was 51.3 MB in the beginning and 49.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 04:33:42,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cff1c4-3855-41ba-b271-eb3f5d31c8af/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...